Bump version

Needed opposite range

.github/workflows/build_and_test.yml

@@ -1,4 +1,4 @@
-name: Nuget Pack
+name: Build and Test
 
 on:
   push:
@@ -16,25 +16,22 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: 8.0.x
+        dotnet-version: |
+            6.0.x
+            8.0.x
+            9.0.x
         
-    - name: Restore dependencies
-      run: dotnet restore
+    - name: Run tests
+      run: dotnet test
       
-    - name: Pack
-      run: dotnet pack
-
-    - name: Upload build
-      uses: actions/upload-artifact@v4
-      with:
-        name: 'Nuget Package'
-        path: 'SabreTools.Serialization/bin/Release/*.nupkg'
+    - name: Run publish script
+      run: ./publish-nix.sh -d
 
     - name: Upload to rolling
       uses: ncipollo/release-action@v1.14.0
       with:
         allowUpdates: True
-        artifacts: 'SabreTools.Serialization/bin/Release/*.nupkg'
+        artifacts: "*.nupkg,*.snupkg,*.zip"
         body: 'Last built commit: ${{ github.sha }}'
         name: 'Rolling Release'
         prerelease: True

.github/workflows/build_test.yml

@@ -1,53 +0,0 @@
-name: Build Test
-
-on:
-  push:
-    branches: [ "main" ]
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    strategy:
-      matrix:
-        project: [Test]
-        runtime: [win-x86, win-x64, linux-x64, osx-x64] #[win-x86, win-x64, win-arm64, linux-x64, linux-arm64, osx-x64]
-        framework: [net8.0] #[net20, net35, net40, net452, net472, net48, netcoreapp3.1, net5.0, net6.0, net7.0, net8.0]
-        conf: [Release, Debug]
-
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        submodules: recursive
-    
-    - name: Setup .NET
-      uses: actions/setup-dotnet@v4
-      with:
-        dotnet-version: 8.0.x
-        
-    - name: Restore dependencies
-      run: dotnet restore
-      
-    - name: Build
-      run: dotnet publish ${{ matrix.project }}/${{ matrix.project }}.csproj -f ${{ matrix.framework }} -r ${{ matrix.runtime }} -c ${{ matrix.conf == 'Release' && 'Release -p:DebugType=None -p:DebugSymbols=false' || 'Debug'}} --self-contained true --version-suffix ${{ github.sha }} ${{ (startsWith(matrix.framework, 'net5') || startsWith(matrix.framework, 'net6') || startsWith(matrix.framework, 'net7') || startsWith(matrix.framework, 'net8')) && '-p:PublishSingleFile=true' || ''}}
-        
-    - name: Archive build
-      run: zip -r ${{ matrix.project }}_${{ matrix.framework }}_${{ matrix.runtime }}_${{ matrix.conf }}.zip ${{ matrix.project }}/bin/${{ matrix.conf }}/${{ matrix.framework }}/${{ matrix.runtime }}/publish/
-        
-    - name: Upload build
-      uses: actions/upload-artifact@v4
-      with:
-        name: ${{ matrix.project }}_${{ matrix.framework }}_${{ matrix.runtime }}_${{ matrix.conf }}
-        path: ${{ matrix.project }}_${{ matrix.framework }}_${{ matrix.runtime }}_${{ matrix.conf }}.zip
-
-    - name: Upload to rolling
-      uses: ncipollo/release-action@v1.14.0
-      with:
-        allowUpdates: True
-        artifacts: ${{ matrix.project }}_${{ matrix.framework }}_${{ matrix.runtime }}_${{ matrix.conf }}.zip
-        body: 'Last built commit: ${{ github.sha }}'
-        name: 'Rolling Release'
-        prerelease: True
-        replacesArtifacts: True
-        tag: "rolling"
-        updateOnlyUnreleased: True

.github/workflows/check_pr.yml

@@ -11,7 +11,13 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: 8.0.x
+        dotnet-version: |
+            6.0.x
+            8.0.x
+            9.0.x
       
     - name: Build
-      run: dotnet build
+      run: dotnet build
+
+    - name: Run tests
+      run: dotnet test

.gitignore

@@ -1,15 +1,7 @@
-*.swp
-*.*~
-project.lock.json
-.DS_Store
-*.pyc
-nupkg/
-
-# Visual Studio Code
-.vscode
-
-# Rider
-.idea
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
 
 # User-specific files
 *.suo
@@ -17,6 +9,9 @@ nupkg/
 *.userosscache
 *.sln.docstates
 
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
 # Build results
 [Dd]ebug/
 [Dd]ebugPublic/
@@ -24,15 +19,312 @@ nupkg/
 [Rr]eleases/
 x64/
 x86/
-build/
 bld/
 [Bb]in/
 [Oo]bj/
-[Oo]ut/
-msbuild.log
-msbuild.err
-msbuild.wrn
+[Ll]og/
 
-# Visual Studio 2015
+# Visual Studio 2015/2017 cache/options directory
 .vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
 
+# Visual Studio 2017 auto generated files
+Generated\ Files/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET Core
+project.lock.json
+project.fragment.lock.json
+artifacts/
+**/Properties/launchSettings.json
+
+# StyleCop
+StyleCopReport.xml
+
+# Files built by Visual Studio
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.iobj
+*.pch
+*.pdb
+*.ipdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# Visual Studio Trace Files
+*.e2e
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# AxoCover is a Code Coverage Tool
+.axoCover/*
+!.axoCover/settings.json
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# Note: Comment the next line if you want to checkin your web deploy settings,
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/[Pp]ackages/*
+# except build/, which is used as an MSBuild target.
+!**/[Pp]ackages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/[Pp]ackages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+*.appx
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Including strong name files can present a security risk 
+# (https://github.com/github/gitignore/pull/2483#issue-259490424)
+#*.snk
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+ServiceFabricBackup/
+*.rptproj.bak
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+*.rptproj.rsuser
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+# CodeRush
+.cr/
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Tabs Studio
+*.tss
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+# OpenCover UI analysis results
+OpenCover/
+
+# Azure Stream Analytics local run output 
+ASALocalRun/
+
+# MSBuild Binary and Structured Log
+*.binlog
+
+# NVidia Nsight GPU debugger configuration file
+*.nvuser
+
+# MFractors (Xamarin productivity tool) working folder 
+.mfractor/

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "SabreTools.Serialization/_EXTERNAL/stormlibsharp"]
+	path = SabreTools.Serialization/_EXTERNAL/stormlibsharp
+	url = https://github.com/robpaveza/stormlibsharp.git

.vscode/launch.json

@@ -0,0 +1,42 @@
+{
+   // Use IntelliSense to find out which attributes exist for C# debugging
+   // Use hover for the description of the existing attributes
+   // For further information visit https://github.com/OmniSharp/omnisharp-vscode/blob/master/debugger-launchjson.md
+   "version": "0.2.0",
+   "configurations": [
+        {
+            "name": ".NET Core Launch (ExtractionTool)",
+            "type": "coreclr",
+            "request": "launch",
+            "preLaunchTask": "build",
+            // If you have changed target frameworks, make sure to update the program path.
+            "program": "${workspaceFolder}/ExtractionTool/bin/Debug/net9.0/ExtractionTool.dll",
+            "args": [],
+            "cwd": "${workspaceFolder}",
+            // For more information about the 'console' field, see https://aka.ms/VSCode-CS-LaunchJson-Console
+            "console": "internalConsole",
+            "stopAtEntry": false,
+            "justMyCode": false
+        },
+        {
+            "name": ".NET Core Launch (InfoPrint)",
+            "type": "coreclr",
+            "request": "launch",
+            "preLaunchTask": "build",
+            // If you have changed target frameworks, make sure to update the program path.
+            "program": "${workspaceFolder}/InfoPrint/bin/Debug/net9.0/InfoPrint.dll",
+            "args": [],
+            "cwd": "${workspaceFolder}",
+            // For more information about the 'console' field, see https://aka.ms/VSCode-CS-LaunchJson-Console
+            "console": "internalConsole",
+            "stopAtEntry": false,
+            "justMyCode": false
+        },
+        {
+            "name": ".NET Core Attach",
+            "type": "coreclr",
+            "request": "attach",
+            "processId": "${command:pickProcess}"
+        }
+    ]
+}

.vscode/tasks.json

@@ -0,0 +1,24 @@
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558
+    // for the documentation about the tasks.json format
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "build",
+            "command": "dotnet",
+            "type": "shell",
+            "args": [
+                "build",
+                // Ask dotnet build to generate full paths for file names.
+                "/property:GenerateFullPaths=true",
+                // Do not generate summary otherwise it leads to duplicate errors in Problems panel
+                "/consoleloggerparameters:NoSummary"
+            ],
+            "group": "build",
+            "presentation": {
+                "reveal": "silent"
+            },
+            "problemMatcher": "$msCompile"
+        }
+    ]
+}

ExtractionTool/ExtractionTool.csproj

@@ -0,0 +1,73 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFrameworks>net20;net35;net40;net452;net462;net472;net48;netcoreapp3.1;net5.0;net6.0;net7.0;net8.0;net9.0</TargetFrameworks>
+        <OutputType>Exe</OutputType>
+        <CheckEolTargetFramework>false</CheckEolTargetFramework>
+        <IncludeNativeLibrariesForSelfExtract>true</IncludeNativeLibrariesForSelfExtract>
+        <IncludeSourceRevisionInInformationalVersion>false</IncludeSourceRevisionInInformationalVersion>
+        <LangVersion>latest</LangVersion>
+        <Nullable>enable</Nullable>
+        <SuppressTfmSupportBuildWarnings>true</SuppressTfmSupportBuildWarnings>
+        <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+        <Version>1.9.0</Version>
+    </PropertyGroup>
+
+    <!-- Support All Frameworks -->
+    <PropertyGroup Condition="$(TargetFramework.StartsWith(`net2`)) OR $(TargetFramework.StartsWith(`net3`)) OR $(TargetFramework.StartsWith(`net4`))">
+        <RuntimeIdentifiers>win-x86;win-x64</RuntimeIdentifiers>
+    </PropertyGroup>
+    <PropertyGroup Condition="$(TargetFramework.StartsWith(`netcoreapp`)) OR $(TargetFramework.StartsWith(`net5`))">
+        <RuntimeIdentifiers>win-x86;win-x64;win-arm64;linux-x64;linux-arm64;osx-x64</RuntimeIdentifiers>
+    </PropertyGroup>
+    <PropertyGroup Condition="$(TargetFramework.StartsWith(`net6`)) OR $(TargetFramework.StartsWith(`net7`)) OR $(TargetFramework.StartsWith(`net8`)) OR $(TargetFramework.StartsWith(`net9`))">
+        <RuntimeIdentifiers>win-x86;win-x64;win-arm64;linux-x64;linux-arm64;osx-x64;osx-arm64</RuntimeIdentifiers>
+    </PropertyGroup>
+    <PropertyGroup Condition="$(RuntimeIdentifier.StartsWith(`osx-arm`))">
+        <TargetFrameworks>net6.0;net7.0;net8.0;net9.0</TargetFrameworks>
+    </PropertyGroup>
+
+    <!-- Set a build flag for Windows specifically -->
+    <PropertyGroup Condition="'$(RuntimeIdentifier)'=='win-x86'">
+        <DefineConstants>$(DefineConstants);WINX86</DefineConstants>
+    </PropertyGroup>
+    <PropertyGroup Condition="'$(RuntimeIdentifier)'=='win-x64'">
+        <DefineConstants>$(DefineConstants);WINX64</DefineConstants>
+    </PropertyGroup>
+
+    <!-- These are needed for dealing with native Windows DLLs -->
+    <ItemGroup Condition="'$(RuntimeIdentifier)'=='win-x86'">
+        <ContentWithTargetPath Include="..\SabreTools.Serialization\runtimes\win-x86\native\CascLib.dll">
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+            <CopyToPublishDirectory>Always</CopyToPublishDirectory>
+            <TargetPath>CascLib.dll</TargetPath>
+        </ContentWithTargetPath>
+        <ContentWithTargetPath Include="..\SabreTools.Serialization\runtimes\win-x86\native\StormLib.dll">
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+            <CopyToPublishDirectory>Always</CopyToPublishDirectory>
+            <TargetPath>StormLib.dll</TargetPath>
+        </ContentWithTargetPath>
+    </ItemGroup>
+    <ItemGroup Condition="'$(RuntimeIdentifier)'=='win-x64'">
+        <ContentWithTargetPath Include="..\SabreTools.Serialization\runtimes\win-x64\native\CascLib.dll">
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+            <CopyToPublishDirectory>Always</CopyToPublishDirectory>
+            <TargetPath>CascLib.dll</TargetPath>
+        </ContentWithTargetPath>
+        <ContentWithTargetPath Include="..\SabreTools.Serialization\runtimes\win-x64\native\StormLib.dll">
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+            <CopyToPublishDirectory>Always</CopyToPublishDirectory>
+            <TargetPath>StormLib.dll</TargetPath>
+        </ContentWithTargetPath>
+    </ItemGroup>
+
+    <ItemGroup>
+        <ProjectReference Include="..\SabreTools.Serialization\SabreTools.Serialization.csproj" />
+    </ItemGroup>
+
+    <ItemGroup>
+        <PackageReference Include="SabreTools.IO" Version="1.7.1" />
+        <PackageReference Include="System.Text.Encoding.CodePages" Version="9.0.8" Condition="!$(TargetFramework.StartsWith(`net2`)) AND !$(TargetFramework.StartsWith(`net3`)) AND !$(TargetFramework.StartsWith(`net40`)) AND !$(TargetFramework.StartsWith(`net452`))" />
+    </ItemGroup>
+
+</Project>

ExtractionTool/Options.cs

@@ -0,0 +1,129 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+
+namespace ExtractionTool
+{
+    /// <summary>
+    /// Set of options for the test executable
+    /// </summary>
+    internal sealed class Options
+    {
+        #region Properties
+
+        /// <summary>
+        /// Enable debug output for relevant operations
+        /// </summary>
+        public bool Debug { get; private set; } = false;
+
+        /// <summary>
+        /// Set of input paths to use for operations
+        /// </summary>
+        public List<string> InputPaths { get; private set; } = [];
+
+        /// <summary>
+        /// Output path for archive extraction
+        /// </summary>
+        public string OutputPath { get; private set; } = string.Empty;
+
+        #endregion
+
+        /// <summary>
+        /// Parse commandline arguments into an Options object
+        /// </summary>
+        public static Options? ParseOptions(string[] args)
+        {
+            // If we have invalid arguments
+            if (args == null || args.Length == 0)
+                return null;
+
+            // Create an Options object
+            var options = new Options();
+
+            // Parse the options and paths
+            for (int index = 0; index < args.Length; index++)
+            {
+                string arg = args[index];
+                switch (arg)
+                {
+                    case "-?":
+                    case "-h":
+                    case "--help":
+                        return null;
+
+                    case "-d":
+                    case "--debug":
+                        options.Debug = true;
+                        break;
+
+                    case "-o":
+                    case "--outdir":
+                        options.OutputPath = index + 1 < args.Length ? args[++index] : string.Empty;
+                        break;
+
+                    default:
+                        options.InputPaths.Add(arg);
+                        break;
+                }
+            }
+
+            // Validate we have any input paths to work on
+            if (options.InputPaths.Count == 0)
+            {
+                Console.WriteLine("At least one path is required!");
+                return null;
+            }
+
+            // Validate the output path
+            bool validPath = ValidateExtractionPath(options);
+            if (!validPath)
+                return null;
+
+            return options;
+        }
+
+        /// <summary>
+        /// Display help text
+        /// </summary>
+        public static void DisplayHelp()
+        {
+            Console.WriteLine("Extraction Tool");
+            Console.WriteLine();
+            Console.WriteLine("ExtractionTool.exe <options> file|directory ...");
+            Console.WriteLine();
+            Console.WriteLine("Options:");
+            Console.WriteLine("-?, -h, --help           Display this help text and quit");
+            Console.WriteLine("-d, --debug              Enable debug mode");
+            Console.WriteLine("-o, --outdir [PATH]      Set output path for extraction (required)");
+        }
+
+        /// <summary>
+        /// Validate the extraction path
+        /// </summary>
+        private static bool ValidateExtractionPath(Options options)
+        {
+            // Null or empty output path
+            if (string.IsNullOrEmpty(options.OutputPath))
+            {
+                Console.WriteLine("Output directory required for extraction!");
+                Console.WriteLine();
+                return false;
+            }
+
+            // Malformed output path or invalid location
+            try
+            {
+                options.OutputPath = Path.GetFullPath(options.OutputPath);
+                Directory.CreateDirectory(options.OutputPath);
+            }
+            catch
+            {
+                Console.WriteLine("Output directory could not be created!");
+                Console.WriteLine();
+                return false;
+            }
+
+            return true;
+        }
+    }
+}

ExtractionTool/Program.cs

@@ -0,0 +1,249 @@
+using System;
+using System.IO;
+using SabreTools.IO.Extensions;
+using SabreTools.Serialization.Wrappers;
+
+namespace ExtractionTool
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+#if NET462_OR_GREATER || NETCOREAPP
+            // Register the codepages
+            System.Text.Encoding.RegisterProvider(System.Text.CodePagesEncodingProvider.Instance);
+#endif
+
+            // Get the options from the arguments
+            var options = Options.ParseOptions(args);
+
+            // If we have an invalid state
+            if (options == null)
+            {
+                Options.DisplayHelp();
+                return;
+            }
+
+            // Loop through the input paths
+            foreach (string inputPath in options.InputPaths)
+            {
+                ExtractPath(inputPath, options.OutputPath, options.Debug);
+            }
+        }
+
+        /// <summary>
+        /// Wrapper to extract data for a single path
+        /// </summary>
+        /// <param name="path">File or directory path</param>
+        /// <param name="outputDirectory">Output directory path</param>
+        /// <param name="includeDebug">Enable including debug information</param>
+        private static void ExtractPath(string path, string outputDirectory, bool includeDebug)
+        {
+            // Normalize by getting the full path
+            path = Path.GetFullPath(path);
+            Console.WriteLine($"Checking possible path: {path}");
+
+            // Check if the file or directory exists
+            if (File.Exists(path))
+            {
+                ExtractFile(path, outputDirectory, includeDebug);
+            }
+            else if (Directory.Exists(path))
+            {
+                foreach (string file in IOExtensions.SafeEnumerateFiles(path, "*", SearchOption.AllDirectories))
+                {
+                    ExtractFile(file, outputDirectory, includeDebug);
+                }
+            }
+            else
+            {
+                Console.WriteLine($"{path} does not exist, skipping...");
+            }
+        }
+
+        /// <summary>
+        /// Print information for a single file, if possible
+        /// </summary>
+        private static void ExtractFile(string file, string outputDirectory, bool includeDebug)
+        {
+            Console.WriteLine($"Attempting to extract all files from {file}");
+            using Stream stream = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+
+            // Get the extension for certain checks
+            string extension = Path.GetExtension(file).ToLower().TrimStart('.');
+
+            // Get the first 16 bytes for matching
+            byte[] magic = new byte[16];
+            try
+            {
+                int read = stream.Read(magic, 0, 16);
+                stream.Seek(0, SeekOrigin.Begin);
+            }
+            catch (Exception ex)
+            {
+                if (includeDebug) Console.Error.WriteLine(ex);
+                return;
+            }
+
+            // Get the file type
+            WrapperType ft = WrapperFactory.GetFileType(magic, extension);
+            var wrapper = WrapperFactory.CreateWrapper(ft, stream);
+
+            // Create the output directory
+            Directory.CreateDirectory(outputDirectory);
+
+            // Print the preamble
+            Console.WriteLine($"Attempting to extract from '{wrapper?.Description() ?? "UNKNOWN"}'");
+            Console.WriteLine();
+
+            switch (wrapper)
+            {
+                // 7-zip
+                case SevenZip sz:
+                    sz.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // BFPK archive
+                case BFPK bfpk:
+                    bfpk.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // BSP
+                case BSP bsp:
+                    bsp.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // bzip2
+                case BZip2 bzip2:
+                    bzip2.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // CFB
+                case CFB cfb:
+                    cfb.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // GCF
+                case GCF gcf:
+                    gcf.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // gzip
+                case GZip gzip:
+                    gzip.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // InstallShield Archive V3 (Z)
+                case InstallShieldArchiveV3 isv3:
+                    isv3.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // IS-CAB archive
+                case InstallShieldCabinet iscab:
+                    iscab.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // LZ-compressed file, KWAJ variant
+                case LZKWAJ kwaj:
+                    kwaj.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // LZ-compressed file, QBasic variant
+                case LZQBasic qbasic:
+                    qbasic.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // LZ-compressed file, SZDD variant
+                case LZSZDD szdd:
+                    szdd.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // Microsoft Cabinet archive
+                case MicrosoftCabinet mscab:
+                    mscab.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // MoPaQ (MPQ) archive
+                case MoPaQ mpq:
+                    mpq.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // New Executable
+                case NewExecutable nex:
+                    nex.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // PAK
+                case PAK pak:
+                    pak.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // PFF
+                case PFF pff:
+                    pff.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // PKZIP
+                case PKZIP pkzip:
+                    pkzip.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // Portable Executable
+                case PortableExecutable pex:
+                    pex.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // Quantum
+                case Quantum quantum:
+                    quantum.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // RAR
+                case RAR rar:
+                    rar.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // SGA
+                case SGA sga:
+                    sga.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // Tape Archive
+                case TapeArchive tar:
+                    tar.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // VBSP
+                case VBSP vbsp:
+                    vbsp.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // VPK
+                case VPK vpk:
+                    vpk.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // WAD3
+                case WAD3 wad:
+                    wad.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // xz
+                case XZ xz:
+                    xz.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // XZP
+                case XZP xzp:
+                    xzp.Extract(outputDirectory, includeDebug);
+                    break;
+
+                // Everything else
+                default:
+                    Console.WriteLine("Not a supported extractable file format, skipping...");
+                    Console.WriteLine();
+                    break;
+            }
+        }
+    }
+}

InfoPrint/InfoPrint.csproj

@@ -0,0 +1,39 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFrameworks>net20;net35;net40;net452;net462;net472;net48;netcoreapp3.1;net5.0;net6.0;net7.0;net8.0;net9.0</TargetFrameworks>
+        <OutputType>Exe</OutputType>
+        <CheckEolTargetFramework>false</CheckEolTargetFramework>
+        <IncludeNativeLibrariesForSelfExtract>true</IncludeNativeLibrariesForSelfExtract>
+        <IncludeSourceRevisionInInformationalVersion>false</IncludeSourceRevisionInInformationalVersion>
+        <LangVersion>latest</LangVersion>
+        <Nullable>enable</Nullable>
+        <SuppressTfmSupportBuildWarnings>true</SuppressTfmSupportBuildWarnings>
+        <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+        <Version>1.9.0</Version>
+    </PropertyGroup>
+
+    <!-- Support All Frameworks -->
+    <PropertyGroup Condition="$(TargetFramework.StartsWith(`net2`)) OR $(TargetFramework.StartsWith(`net3`)) OR $(TargetFramework.StartsWith(`net4`))">
+        <RuntimeIdentifiers>win-x86;win-x64</RuntimeIdentifiers>
+    </PropertyGroup>
+    <PropertyGroup Condition="$(TargetFramework.StartsWith(`netcoreapp`)) OR $(TargetFramework.StartsWith(`net5`))">
+        <RuntimeIdentifiers>win-x86;win-x64;win-arm64;linux-x64;linux-arm64;osx-x64</RuntimeIdentifiers>
+    </PropertyGroup>
+    <PropertyGroup Condition="$(TargetFramework.StartsWith(`net6`)) OR $(TargetFramework.StartsWith(`net7`)) OR $(TargetFramework.StartsWith(`net8`)) OR $(TargetFramework.StartsWith(`net9`))">
+        <RuntimeIdentifiers>win-x86;win-x64;win-arm64;linux-x64;linux-arm64;osx-x64;osx-arm64</RuntimeIdentifiers>
+    </PropertyGroup>
+    <PropertyGroup Condition="$(RuntimeIdentifier.StartsWith(`osx-arm`))">
+        <TargetFrameworks>net6.0;net7.0;net8.0;net9.0</TargetFrameworks>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <ProjectReference Include="..\SabreTools.Serialization\SabreTools.Serialization.csproj" />
+    </ItemGroup>
+
+    <ItemGroup>
+        <PackageReference Include="SabreTools.IO" Version="1.7.1" />
+        <PackageReference Include="SabreTools.Hashing" Version="1.5.0" />
+    </ItemGroup>
+
+</Project>

InfoPrint/Options.cs

@@ -1,7 +1,7 @@
 using System;
 using System.Collections.Generic;
 
-namespace Test
+namespace InfoPrint
 {
     /// <summary>
     /// Set of options for the test executable
@@ -15,12 +15,22 @@ namespace Test
         /// </summary>
         public bool Debug { get; private set; } = false;
 
+        /// <summary>
+        /// Output information to file only, skip printing to console
+        /// </summary>
+        public bool FileOnly { get; private set; } = false;
+
+        /// <summary>
+        /// Print external file hashes
+        /// </summary>
+        public bool Hash { get; private set; } = false;
+
         /// <summary>
         /// Set of input paths to use for operations
         /// </summary>
         public List<string> InputPaths { get; private set; } = [];
 
-#if NETCOREAPP3_1_OR_GREATER
+#if NETCOREAPP
         /// <summary>
         /// Enable JSON output
         /// </summary>
@@ -74,9 +84,19 @@ namespace Test
                         options.Debug = true;
                         break;
 
+                    case "-c":
+                    case "--hash":
+                        options.Hash = true;
+                        break;
+
+                    case "-f":
+                    case "--file":
+                        options.FileOnly = true;
+                        break;
+
                     case "-j":
                     case "--json":
-#if NET6_0_OR_GREATER
+#if NETCOREAPP
                         options.Json = true;
 #else
                         Console.WriteLine("JSON output not available in .NET Framework");
@@ -104,16 +124,18 @@ namespace Test
         /// </summary>
         public static void DisplayHelp()
         {
-            Console.WriteLine("SabreTools.Serialization Test Program");
+            Console.WriteLine("Information Printing Program");
             Console.WriteLine();
-            Console.WriteLine("test.exe <options> file|directory ...");
+            Console.WriteLine("InfoPrint <options> file|directory ...");
             Console.WriteLine();
             Console.WriteLine("Options:");
             Console.WriteLine("-?, -h, --help           Display this help text and quit");
             Console.WriteLine("-d, --debug              Enable debug mode");
-#if NET6_0_OR_GREATER
-            Console.WriteLine("-j, --json               Print executable info as JSON");
+            Console.WriteLine("-c, --hash               Output file hashes");
+            Console.WriteLine("-f, --file               Print to file only");
+#if NETCOREAPP
+            Console.WriteLine("-j, --json               Print info as JSON");
 #endif
         }
     }
-}
+}

InfoPrint/Program.cs

@@ -0,0 +1,208 @@
+using System;
+using System.IO;
+using System.Text;
+using SabreTools.Hashing;
+using SabreTools.IO.Extensions;
+using SabreTools.Serialization;
+using SabreTools.Serialization.Wrappers;
+
+namespace InfoPrint
+{
+    public static class Program
+    {
+        public static void Main(string[] args)
+        {
+            // Get the options from the arguments
+            var options = Options.ParseOptions(args);
+
+            // If we have an invalid state
+            if (options == null)
+            {
+                Options.DisplayHelp();
+                return;
+            }
+
+            // Loop through the input paths
+            foreach (string inputPath in options.InputPaths)
+            {
+                PrintPathInfo(inputPath, options);
+            }
+        }
+
+        /// <summary>
+        /// Wrapper to print information for a single path
+        /// </summary>
+        /// <param name="path">File or directory path</param>
+        /// <param name="options">User-defined options</param>
+        private static void PrintPathInfo(string path, Options options)
+        {
+            Console.WriteLine($"Checking possible path: {path}");
+
+            // Check if the file or directory exists
+            if (File.Exists(path))
+            {
+                PrintFileInfo(path, options);
+            }
+            else if (Directory.Exists(path))
+            {
+                foreach (string file in IOExtensions.SafeEnumerateFiles(path, "*", SearchOption.AllDirectories))
+                {
+                    PrintFileInfo(file, options);
+                }
+            }
+            else
+            {
+                Console.WriteLine($"{path} does not exist, skipping...");
+            }
+        }
+
+        /// <summary>
+        /// Print information for a single file, if possible
+        /// </summary>
+        /// <param name="file">File path</param>
+        /// <param name="options">User-defined options</param>
+        private static void PrintFileInfo(string file, Options options)
+        {
+            Console.WriteLine($"Attempting to print info for {file}");
+
+            // Get the base info output name
+            string filenameBase = $"info-{DateTime.Now:yyyy-MM-dd_HHmmss.ffff}";
+
+            // If we have the hash flag
+            if (options.Hash)
+            {
+                var hashBuilder = PrintHashInfo(file, options.Debug);
+                if (hashBuilder != null)
+                {
+                    // Create the output data
+                    string hashData = hashBuilder.ToString();
+
+                    // Write the output data
+                    using var hsw = new StreamWriter(File.OpenWrite($"{filenameBase}.hashes"));
+                    hsw.WriteLine(hashData);
+                    hsw.Flush();
+                }
+            }
+
+            try
+            {
+                using Stream stream = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+
+                // Read the first 8 bytes
+                byte[]? magic = stream.ReadBytes(8);
+                stream.Seek(0, SeekOrigin.Begin);
+
+                // Get the file type
+                string extension = Path.GetExtension(file).TrimStart('.');
+                WrapperType ft = WrapperFactory.GetFileType(magic ?? [], extension);
+
+                // Print out the file format
+                Console.WriteLine($"File format found: {ft}");
+
+                // Setup the wrapper to print
+                var wrapper = WrapperFactory.CreateWrapper(ft, stream);
+
+                // If we don't have a wrapper
+                if (wrapper == null)
+                {
+                    Console.WriteLine($"Either {ft} is not supported or something went wrong during parsing!");
+                    Console.WriteLine();
+                    return;
+                }
+
+#if NETCOREAPP
+                // If we have the JSON flag
+                if (options.Json)
+                {
+                    // Create the output data
+                    string serializedData = wrapper.ExportJSON();
+
+                    // Write the output data
+                    using var jsw = new StreamWriter(File.OpenWrite($"{filenameBase}.json"));
+                    jsw.WriteLine(serializedData);
+                    jsw.Flush();
+                }
+#endif
+
+                // Create the output data
+                var builder = wrapper.ExportStringBuilder();
+                if (builder == null)
+                {
+                    Console.WriteLine("No item information could be generated");
+                    return;
+                }
+
+                // Only print to console if enabled
+                if (!options.FileOnly)
+                    Console.WriteLine(builder);
+
+                using var sw = new StreamWriter(File.OpenWrite($"{filenameBase}.txt"));
+                sw.WriteLine(builder.ToString());
+                sw.Flush();
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine(options.Debug ? ex : "[Exception opening file, please try again]");
+                Console.WriteLine();
+            }
+        }
+
+        /// <summary>
+        /// Print hash information for a single file, if possible
+        /// </summary>
+        /// <param name="file">File path</param>
+        /// <param name="debug">Enable debug output</param>
+        /// <returns>StringBuilder representing the hash information, if possible</returns>
+        private static StringBuilder? PrintHashInfo(string file, bool debug)
+        {
+            // Ignore missing files
+            if (!File.Exists(file))
+                return null;
+
+            Console.WriteLine($"Attempting to hash {file}, this may take a while...");
+
+            try
+            {
+                // Get all file hashes for flexibility
+                var hashes = HashTool.GetFileHashes(file);
+                if (hashes == null)
+                {
+                    if (debug) Console.WriteLine($"Hashes for {file} could not be retrieved");
+                    return null;
+                }
+
+                // Output subset of available hashes
+                var builder = new StringBuilder();
+                if (hashes.TryGetValue(HashType.CRC16, out string? crc16) && crc16 != null)
+                    builder.AppendLine($"CRC-16 checksum: {crc16}");
+                if (hashes.TryGetValue(HashType.CRC32, out string? crc32) && crc32 != null)
+                    builder.AppendLine($"CRC-32 checksum: {crc32}");
+                if (hashes.TryGetValue(HashType.MD2, out string? md2) && md2 != null)
+                    builder.AppendLine($"MD2 hash: {md2}");
+                if (hashes.TryGetValue(HashType.MD4, out string? md4) && md4 != null)
+                    builder.AppendLine($"MD4 hash: {md4}");
+                if (hashes.TryGetValue(HashType.MD5, out string? md5) && md5 != null)
+                    builder.AppendLine($"MD5 hash: {md5}");
+                if (hashes.TryGetValue(HashType.RIPEMD128, out string? ripemd128) && ripemd128 != null)
+                    builder.AppendLine($"RIPEMD-128 hash: {ripemd128}");
+                if (hashes.TryGetValue(HashType.RIPEMD160, out string? ripemd160) && ripemd160 != null)
+                    builder.AppendLine($"RIPEMD-160 hash: {ripemd160}");
+                if (hashes.TryGetValue(HashType.SHA1, out string? sha1) && sha1 != null)
+                    builder.AppendLine($"SHA-1 hash: {sha1}");
+                if (hashes.TryGetValue(HashType.SHA256, out string? sha256) && sha256 != null)
+                    builder.AppendLine($"SHA-256 hash: {sha256}");
+                if (hashes.TryGetValue(HashType.SHA384, out string? sha384) && sha384 != null)
+                    builder.AppendLine($"SHA-384 hash: {sha384}");
+                if (hashes.TryGetValue(HashType.SHA512, out string? sha512) && sha512 != null)
+                    builder.AppendLine($"SHA-512 hash: {sha512}");
+
+                return builder;
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine(debug ? ex : "[Exception opening file, please try again]");
+                return null;
+            }
+        }
+    }
+}

README.MD

@@ -1,9 +1,83 @@
 # SabreTools.Serialization
 
+[![Build and Test](https://github.com/SabreTools/SabreTools.Serialization/actions/workflows/build_and_test.yml/badge.svg)](https://github.com/SabreTools/SabreTools.Serialization/actions/workflows/build_and_test.yml)
+
 This library comprises of serializers that both read and write from files and streams to the dedicated models as well as convert to and from the common internal models. This library is partially used by the current parsing and writing code but none of the internal model serialization is used.
 
 Find the link to the Nuget package [here](https://www.nuget.org/packages/SabreTools.Serialization).
 
+The following non-project libraries (or ports thereof) are used for file handling:
+
+- [SharpCompress](https://github.com/adamhathcock/sharpcompress) - Common archive format extraction
+- [StormLibSharp](https://github.com/robpaveza/stormlibsharp) - MoPaQ extraction [Unused in .NET Framework 2.0/3.5/4.0, non-Windows, and non-x86 builds due to Windows-specific libraries]
+
+The following projects have influenced this library:
+
+- [libmspack](https://github.com/kyz/libmspack) - Documentation around the MS-CAB format and associated compression methods.
+- [Unshield](https://github.com/twogood/unshield/) - InstallShield CAB extraction tool that influenced internal handling
+
+## Releases
+
+For the most recent stable build, download the latest release here: [Releases Page](https://github.com/SabreTools/SabreTools.Serialization/releases)
+
+For the latest WIP build here: [Rolling Release](https://github.com/SabreTools/SabreTools.Serialization/releases/tag/rolling)
+
+## InfoPrint
+
+**InfoPrint** is a reference implementation for the deserialization and printing features of the library, packaged as a standalone executable for all supported platforms. It will attempt to detect and display information about many supported file types, optionally both hashing the file and outputting the information to a JSON file (.NET Core 3.1 and above only).
+
+```
+InfoPrint <options> file|directory ...
+
+Options:
+-?, -h, --help           Display this help text and quit
+-d, --debug              Enable debug mode
+-c, --hash               Output file hashes
+-j, --json               Print info as JSON
+```
+
+## ExtractionTool
+
+**ExtractionTool** is a reference implementation for the extraction features of the library, packaged as a standalone executable for all supported platforms. It will attempt to detect and extract many supported file types. See the table below for supported extraction functionality.
+
+```
+ExtractionTool.exe <options> file|directory ...
+
+Options:
+-?, -h, --help           Display this help text and quit
+-d, --debug              Enable debug mode
+-o, --outdir [PATH]      Set output path for extraction (required)
+```
+
+| Format Name | Notes |
+| --- | --- |
+| 7-zip archive | .NET Framework 4.6.2 and greater |
+| BFPK custom archive format | |
+| bzip2 archive | .NET Framework 4.6.2 and greater |
+| Compound File Binary (CFB) | Only CFB common pieces extractable. .NET Framework 4.0 and greater |
+| gzip archive | |
+| Half-Life Game Cache File (GCF) | |
+| Half-Life Level (BSP) | |
+| Half-Life Package File (PAK) | |
+| Half-Life Texture Package File (WAD3) | |
+| Half-Life 2 Level (VBSP) | |
+| InstallShield Archive V3 (Z) | |
+| InstallShield CAB | |
+| Microsoft cabinet file | Does not support LZX or Quantum compression |
+| Microsoft LZ-compressed files | KWAJ, QBasic, and SZDD variants |
+| MoPaQ game data archive (MPQ) | Currently not working. Windows only. .NET Framework 4.5.2 and above |
+| New Exectuable | Embedded archives and executables in the overlay and Wise installer |
+| NovaLogic Game Archive Format (PFF) | |
+| PKZIP and derived files (ZIP, etc.) | .NET Framework 4.6.2 and greater |
+| Portable Executable | Embedded archives and executables in the resources and overlay, CExe-packed data, SFX archives (7-zip, PKZIP, and RAR), and Wise installer |
+| Quantum archive (Q) | Currently not working |
+| RAR archive (RAR) | .NET Framework 4.6.2 and greater |
+| SGA game archive | |
+| Tape archive (TAR) | |
+| Valve Package File (VPK) | |
+| XBox Package File (XZP) | |
+| xz archive (XZ) | .NET Framework 4.6.2 and greater |
+
 ## Interfaces
 
 Below is a table representing the various conversion interfaces that are implemented within this library.
@@ -24,6 +98,7 @@ Below is a table representing the various non-conversion interfaces that are imp
 
 | Interface Name | Purpose |
 | --- | --- |
+| `IExtractable` | Marks a wrapper as able to be extracted |
 | `IPrinter` | Provides a formatted output for a model |
 | `IWrapper` / `IWrapper<T>` | Wraps a model or set of models to provide additional functionality |
 

SabreTools.Serialization.Test/CrossModel/ArchiveDotOrgTests.cs

@@ -0,0 +1,173 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class ArchiveDotOrgTests
+    {
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.ArchiveDotOrg();
+
+            // Build the data
+            Models.ArchiveDotOrg.Files files = Build();
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(files);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.ArchiveDotOrg.Files? newFiles = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newFiles);
+            Assert.NotNull(newFiles.File);
+            var newFile = Assert.Single(newFiles.File);
+            Validate(newFile);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.ArchiveDotOrg.Files Build()
+        {
+            var file = new Models.ArchiveDotOrg.File
+            {
+                Name = "XXXXXX",
+                Source = "XXXXXX",
+                BitTorrentMagnetHash = "XXXXXX",
+                LastModifiedTime = "XXXXXX",
+                Size = "XXXXXX",
+                MD5 = "XXXXXX",
+                CRC32 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                FileCount = "XXXXXX",
+                Format = "XXXXXX",
+                Original = "XXXXXX",
+                Summation = "XXXXXX",
+                MatrixNumber = "XXXXXX",
+                CollectionCatalogNumber = "XXXXXX",
+                Publisher = "XXXXXX",
+                Comment = "XXXXXX",
+                ASRDetectedLang = "XXXXXX",
+                ASRDetectedLangConf = "XXXXXX",
+                ASRTranscribedLang = "XXXXXX",
+                WhisperASRModuleVersion = "XXXXXX",
+                WhisperModelHash = "XXXXXX",
+                WhisperModelName = "XXXXXX",
+                WhisperVersion = "XXXXXX",
+                ClothCoverDetectionModuleVersion = "XXXXXX",
+                hOCRCharToWordhOCRVersion = "XXXXXX",
+                hOCRCharToWordModuleVersion = "XXXXXX",
+                hOCRFtsTexthOCRVersion = "XXXXXX",
+                hOCRFtsTextModuleVersion = "XXXXXX",
+                hOCRPageIndexhOCRVersion = "XXXXXX",
+                hOCRPageIndexModuleVersion = "XXXXXX",
+                TesseractOCR = "XXXXXX",
+                TesseractOCRConverted = "XXXXXX",
+                TesseractOCRDetectedLang = "XXXXXX",
+                TesseractOCRDetectedLangConf = "XXXXXX",
+                TesseractOCRDetectedScript = "XXXXXX",
+                TesseractOCRDetectedScriptConf = "XXXXXX",
+                TesseractOCRModuleVersion = "XXXXXX",
+                TesseractOCRParameters = "XXXXXX",
+                PDFModuleVersion = "XXXXXX",
+                WordConfidenceInterval0To10 = "XXXXXX",
+                WordConfidenceInterval11To20 = "XXXXXX",
+                WordConfidenceInterval21To30 = "XXXXXX",
+                WordConfidenceInterval31To40 = "XXXXXX",
+                WordConfidenceInterval41To50 = "XXXXXX",
+                WordConfidenceInterval51To60 = "XXXXXX",
+                WordConfidenceInterval61To70 = "XXXXXX",
+                WordConfidenceInterval71To80 = "XXXXXX",
+                WordConfidenceInterval81To90 = "XXXXXX",
+                WordConfidenceInterval91To100 = "XXXXXX",
+                Album = "XXXXXX",
+                Artist = "XXXXXX",
+                Bitrate = "XXXXXX",
+                Creator = "XXXXXX",
+                Height = "XXXXXX",
+                Length = "XXXXXX",
+                PreviewImage = "XXXXXX",
+                Rotation = "XXXXXX",
+                Title = "XXXXXX",
+                Track = "XXXXXX",
+                Width = "XXXXXX",
+            };
+
+            return new Models.ArchiveDotOrg.Files
+            {
+                File = [file]
+            };
+        }
+
+        /// <summary>
+        /// Validate a File
+        /// </summary>
+        private static void Validate(Models.ArchiveDotOrg.File? file)
+        {
+            Assert.NotNull(file);
+            Assert.Equal("XXXXXX", file.Name);
+            Assert.Equal("XXXXXX", file.Source);
+            Assert.Equal("XXXXXX", file.BitTorrentMagnetHash);
+            Assert.Equal("XXXXXX", file.LastModifiedTime);
+            Assert.Equal("XXXXXX", file.Size);
+            Assert.Equal("XXXXXX", file.MD5);
+            Assert.Equal("XXXXXX", file.CRC32);
+            Assert.Equal("XXXXXX", file.SHA1);
+            Assert.Equal("XXXXXX", file.FileCount);
+            Assert.Equal("XXXXXX", file.Format);
+            Assert.Equal("XXXXXX", file.Original);
+            Assert.Equal("XXXXXX", file.Summation);
+            Assert.Equal("XXXXXX", file.MatrixNumber);
+            Assert.Equal("XXXXXX", file.CollectionCatalogNumber);
+            Assert.Equal("XXXXXX", file.Publisher);
+            Assert.Equal("XXXXXX", file.Comment);
+            Assert.Equal("XXXXXX", file.ASRDetectedLang);
+            Assert.Equal("XXXXXX", file.ASRDetectedLangConf);
+            Assert.Equal("XXXXXX", file.ASRTranscribedLang);
+            Assert.Equal("XXXXXX", file.WhisperASRModuleVersion);
+            Assert.Equal("XXXXXX", file.WhisperModelHash);
+            Assert.Equal("XXXXXX", file.WhisperModelName);
+            Assert.Equal("XXXXXX", file.WhisperVersion);
+            Assert.Equal("XXXXXX", file.ClothCoverDetectionModuleVersion);
+            Assert.Equal("XXXXXX", file.hOCRCharToWordhOCRVersion);
+            Assert.Equal("XXXXXX", file.hOCRCharToWordModuleVersion);
+            Assert.Equal("XXXXXX", file.hOCRFtsTexthOCRVersion);
+            Assert.Equal("XXXXXX", file.hOCRFtsTextModuleVersion);
+            Assert.Equal("XXXXXX", file.hOCRPageIndexhOCRVersion);
+            Assert.Equal("XXXXXX", file.hOCRPageIndexModuleVersion);
+            Assert.Equal("XXXXXX", file.TesseractOCR);
+            Assert.Equal("XXXXXX", file.TesseractOCRConverted);
+            Assert.Equal("XXXXXX", file.TesseractOCRDetectedLang);
+            Assert.Equal("XXXXXX", file.TesseractOCRDetectedLangConf);
+            Assert.Equal("XXXXXX", file.TesseractOCRDetectedScript);
+            Assert.Equal("XXXXXX", file.TesseractOCRDetectedScriptConf);
+            Assert.Equal("XXXXXX", file.TesseractOCRModuleVersion);
+            Assert.Equal("XXXXXX", file.TesseractOCRParameters);
+            Assert.Equal("XXXXXX", file.PDFModuleVersion);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval0To10);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval11To20);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval21To30);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval31To40);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval41To50);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval51To60);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval61To70);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval71To80);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval81To90);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval91To100);
+            Assert.Equal("XXXXXX", file.Album);
+            Assert.Equal("XXXXXX", file.Artist);
+            Assert.Equal("XXXXXX", file.Bitrate);
+            Assert.Equal("XXXXXX", file.Creator);
+            Assert.Equal("XXXXXX", file.Height);
+            Assert.Equal("XXXXXX", file.Length);
+            Assert.Equal("XXXXXX", file.PreviewImage);
+            Assert.Equal("XXXXXX", file.Rotation);
+            Assert.Equal("XXXXXX", file.Title);
+            Assert.Equal("XXXXXX", file.Track);
+            Assert.Equal("XXXXXX", file.Width);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/AttractModeTests.cs

@@ -0,0 +1,111 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class AttractModeTests
+    {
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.AttractMode();
+
+            // Build the data
+            Models.AttractMode.MetadataFile mf = Build();
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(mf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.AttractMode.MetadataFile? newMf = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Validate(newMf.Header);
+            Assert.NotNull(newMf.Row);
+            var newRow = Assert.Single(newMf.Row);
+            Validate(newRow);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.AttractMode.MetadataFile Build()
+        {
+            string[] header = ["header"];
+
+            var row = new Models.AttractMode.Row
+            {
+                Name = "XXXXXX",
+                Title = "XXXXXX",
+                Emulator = "XXXXXX",
+                CloneOf = "XXXXXX",
+                Year = "XXXXXX",
+                Manufacturer = "XXXXXX",
+                Category = "XXXXXX",
+                Players = "XXXXXX",
+                Rotation = "XXXXXX",
+                Control = "XXXXXX",
+                Status = "XXXXXX",
+                DisplayCount = "XXXXXX",
+                DisplayType = "XXXXXX",
+                AltRomname = "XXXXXX",
+                AltTitle = "XXXXXX",
+                Extra = "XXXXXX",
+                Buttons = "XXXXXX",
+                Favorite = "XXXXXX",
+                Tags = "XXXXXX",
+                PlayedCount = "XXXXXX",
+                PlayedTime = "XXXXXX",
+                FileIsAvailable = "XXXXXX",
+            };
+
+            return new Models.AttractMode.MetadataFile
+            {
+                Header = header,
+                Row = [row],
+            };
+        }
+
+        /// <summary>
+        /// Validate a header
+        /// </summary>
+        private static void Validate(string[]? header)
+        {
+            Assert.NotNull(header);
+            string column = Assert.Single(header);
+            Assert.Equal("header", column);
+        }
+
+        /// <summary>
+        /// Validate a Row
+        /// </summary>
+        private static void Validate(Models.AttractMode.Row? row)
+        {
+            Assert.NotNull(row);
+            Assert.Equal("XXXXXX", row.Name);
+            Assert.Equal("XXXXXX", row.Title);
+            Assert.Equal("XXXXXX", row.Emulator);
+            Assert.Equal("XXXXXX", row.CloneOf);
+            Assert.Equal("XXXXXX", row.Year);
+            Assert.Equal("XXXXXX", row.Manufacturer);
+            Assert.Equal("XXXXXX", row.Category);
+            Assert.Equal("XXXXXX", row.Players);
+            Assert.Equal("XXXXXX", row.Rotation);
+            Assert.Equal("XXXXXX", row.Control);
+            Assert.Equal("XXXXXX", row.Status);
+            Assert.Equal("XXXXXX", row.DisplayCount);
+            Assert.Equal("XXXXXX", row.DisplayType);
+            Assert.Equal("XXXXXX", row.AltRomname);
+            Assert.Equal("XXXXXX", row.AltTitle);
+            Assert.Equal("XXXXXX", row.Extra);
+            Assert.Equal("XXXXXX", row.Buttons);
+            Assert.Equal("XXXXXX", row.Favorite);
+            Assert.Equal("XXXXXX", row.Tags);
+            Assert.Equal("XXXXXX", row.PlayedCount);
+            Assert.Equal("XXXXXX", row.PlayedTime);
+            Assert.Equal("XXXXXX", row.FileIsAvailable);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/ClrMameProTests.cs

@@ -0,0 +1,492 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class ClrMameProTests
+    {
+        [Fact]
+        public void RoundTripGameTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.ClrMamePro();
+
+            // Build the data
+            Models.ClrMamePro.MetadataFile mf = Build(game: true);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(mf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.ClrMamePro.MetadataFile? newMf = serializer.Deserialize(metadata, game: true);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Validate(newMf.ClrMamePro);
+            Assert.NotNull(newMf.Game);
+            var newGame = Assert.Single(newMf.Game);
+            Validate(newGame);
+        }
+
+        [Fact]
+        public void RoundTripMachineTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.ClrMamePro();
+
+            // Build the data
+            Models.ClrMamePro.MetadataFile mf = Build(game: false);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(mf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.ClrMamePro.MetadataFile? newMf = serializer.Deserialize(metadata, game: false);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Validate(newMf.ClrMamePro);
+            Assert.NotNull(newMf.Game);
+            var newGame = Assert.Single(newMf.Game);
+            Validate(newGame);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.ClrMamePro.MetadataFile Build(bool game)
+        {
+            var cmp = new Models.ClrMamePro.ClrMamePro
+            {
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                RootDir = "XXXXXX",
+                Category = "XXXXXX",
+                Version = "XXXXXX",
+                Date = "XXXXXX",
+                Author = "XXXXXX",
+                Homepage = "XXXXXX",
+                Url = "XXXXXX",
+                Comment = "XXXXXX",
+                Header = "XXXXXX",
+                Type = "XXXXXX",
+                ForceMerging = "XXXXXX",
+                ForceZipping = "XXXXXX",
+                ForcePacking = "XXXXXX",
+            };
+
+            var release = new Models.ClrMamePro.Release
+            {
+                Name = "XXXXXX",
+                Region = "XXXXXX",
+                Language = "XXXXXX",
+                Date = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var biosset = new Models.ClrMamePro.BiosSet
+            {
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var rom = new Models.ClrMamePro.Rom
+            {
+                Name = "XXXXXX",
+                Size = "XXXXXX",
+                CRC = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Merge = "XXXXXX",
+                Status = "XXXXXX",
+                Flags = "XXXXXX",
+                Date = "XXXXXX",
+                SHA256 = "XXXXXX",
+                SHA384 = "XXXXXX",
+                SHA512 = "XXXXXX",
+                SpamSum = "XXXXXX",
+                xxHash364 = "XXXXXX",
+                xxHash3128 = "XXXXXX",
+                Region = "XXXXXX",
+                Offs = "XXXXXX",
+                Serial = "XXXXXX",
+                Header = "XXXXXX",
+                Inverted = "XXXXXX",
+                MIA = "XXXXXX",
+            };
+
+            var disk = new Models.ClrMamePro.Disk
+            {
+                Name = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Merge = "XXXXXX",
+                Status = "XXXXXX",
+                Flags = "XXXXXX",
+            };
+
+            var sample = new Models.ClrMamePro.Sample
+            {
+                Name = "XXXXXX",
+            };
+
+            var archive = new Models.ClrMamePro.Archive
+            {
+                Name = "XXXXXX",
+            };
+
+            var media = new Models.ClrMamePro.Media
+            {
+                Name = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                SHA256 = "XXXXXX",
+                SpamSum = "XXXXXX",
+            };
+
+            var chip = new Models.ClrMamePro.Chip
+            {
+                Type = "XXXXXX",
+                Name = "XXXXXX",
+                Flags = "XXXXXX",
+                Clock = "XXXXXX",
+            };
+
+            var video = new Models.ClrMamePro.Video
+            {
+                Screen = "XXXXXX",
+                Orientation = "XXXXXX",
+                X = "XXXXXX",
+                Y = "XXXXXX",
+                AspectX = "XXXXXX",
+                AspectY = "XXXXXX",
+                Freq = "XXXXXX",
+            };
+
+            var sound = new Models.ClrMamePro.Sound
+            {
+                Channels = "XXXXXX",
+            };
+
+            var input = new Models.ClrMamePro.Input
+            {
+                Players = "XXXXXX",
+                Control = "XXXXXX",
+                Buttons = "XXXXXX",
+                Coins = "XXXXXX",
+                Tilt = "XXXXXX",
+                Service = "XXXXXX",
+            };
+
+            var dipswitch = new Models.ClrMamePro.DipSwitch
+            {
+                Name = "XXXXXX",
+                Entry = ["XXXXXX"],
+                Default = "XXXXXX",
+            };
+
+            var driver = new Models.ClrMamePro.Driver
+            {
+                Status = "XXXXXX",
+                Color = "XXXXXX",
+                Sound = "XXXXXX",
+                PaletteSize = "XXXXXX",
+                Blit = "XXXXXX",
+            };
+
+            // TODO: This omits Set, should that have a separate case?
+            Models.ClrMamePro.GameBase gameBase = game
+                ? new Models.ClrMamePro.Game()
+                : new Models.ClrMamePro.Machine();
+            gameBase.Name = "XXXXXX";
+            gameBase.Description = "XXXXXX";
+            gameBase.Year = "XXXXXX";
+            gameBase.Manufacturer = "XXXXXX";
+            gameBase.Category = "XXXXXX";
+            gameBase.CloneOf = "XXXXXX";
+            gameBase.RomOf = "XXXXXX";
+            gameBase.SampleOf = "XXXXXX";
+            gameBase.Release = [release];
+            gameBase.BiosSet = [biosset];
+            gameBase.Rom = [rom];
+            gameBase.Disk = [disk];
+            gameBase.Sample = [sample];
+            gameBase.Archive = [archive];
+            gameBase.Media = [media];
+            gameBase.Chip = [chip];
+            gameBase.Video = [video];
+            gameBase.Sound = sound;
+            gameBase.Input = input;
+            gameBase.DipSwitch = [dipswitch];
+            gameBase.Driver = driver;
+
+            return new Models.ClrMamePro.MetadataFile
+            {
+                ClrMamePro = cmp,
+                Game = [gameBase],
+            };
+        }
+
+        /// <summary>
+        /// Validate a ClrMamePro
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.ClrMamePro? cmp)
+        {
+            Assert.NotNull(cmp);
+            Assert.Equal("XXXXXX", cmp.Name);
+            Assert.Equal("XXXXXX", cmp.Description);
+            Assert.Equal("XXXXXX", cmp.RootDir);
+            Assert.Equal("XXXXXX", cmp.Category);
+            Assert.Equal("XXXXXX", cmp.Version);
+            Assert.Equal("XXXXXX", cmp.Date);
+            Assert.Equal("XXXXXX", cmp.Author);
+            Assert.Equal("XXXXXX", cmp.Homepage);
+            Assert.Equal("XXXXXX", cmp.Url);
+            Assert.Equal("XXXXXX", cmp.Comment);
+            Assert.Equal("XXXXXX", cmp.Header);
+            Assert.Equal("XXXXXX", cmp.Type);
+            Assert.Equal("XXXXXX", cmp.ForceMerging);
+            Assert.Equal("XXXXXX", cmp.ForceZipping);
+            Assert.Equal("XXXXXX", cmp.ForcePacking);
+        }
+
+        /// <summary>
+        /// Validate a GameBase
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.GameBase? gb)
+        {
+            Assert.NotNull(gb);
+            Assert.Equal("XXXXXX", gb.Name);
+            Assert.Equal("XXXXXX", gb.Description);
+            Assert.Equal("XXXXXX", gb.Year);
+            Assert.Equal("XXXXXX", gb.Manufacturer);
+            Assert.Equal("XXXXXX", gb.Category);
+            Assert.Equal("XXXXXX", gb.CloneOf);
+            Assert.Equal("XXXXXX", gb.RomOf);
+            Assert.Equal("XXXXXX", gb.SampleOf);
+
+            Assert.NotNull(gb.Release);
+            var release = Assert.Single(gb.Release);
+            Validate(release);
+
+            Assert.NotNull(gb.BiosSet);
+            var biosset = Assert.Single(gb.BiosSet);
+            Validate(biosset);
+
+            Assert.NotNull(gb.Rom);
+            var rom = Assert.Single(gb.Rom);
+            Validate(rom);
+
+            Assert.NotNull(gb.Disk);
+            var disk = Assert.Single(gb.Disk);
+            Validate(disk);
+
+            Assert.NotNull(gb.Sample);
+            var sample = Assert.Single(gb.Sample);
+            Validate(sample);
+
+            Assert.NotNull(gb.Archive);
+            var archive = Assert.Single(gb.Archive);
+            Validate(archive);
+
+            Assert.NotNull(gb.Media);
+            var media = Assert.Single(gb.Media);
+            Validate(media);
+
+            Assert.NotNull(gb.Chip);
+            var chip = Assert.Single(gb.Chip);
+            Validate(chip);
+
+            Assert.NotNull(gb.Video);
+            var video = Assert.Single(gb.Video);
+            Validate(video);
+
+            Validate(gb.Sound);
+            Validate(gb.Input);
+
+            Assert.NotNull(gb.DipSwitch);
+            var dipswitch = Assert.Single(gb.DipSwitch);
+            Validate(dipswitch);
+
+            Validate(gb.Driver);
+        }
+
+        /// <summary>
+        /// Validate a Release
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Release? release)
+        {
+            Assert.NotNull(release);
+            Assert.Equal("XXXXXX", release.Name);
+            Assert.Equal("XXXXXX", release.Region);
+            Assert.Equal("XXXXXX", release.Language);
+            Assert.Equal("XXXXXX", release.Date);
+            Assert.Equal("XXXXXX", release.Default);
+        }
+
+        /// <summary>
+        /// Validate a BiosSet
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.BiosSet? biosset)
+        {
+            Assert.NotNull(biosset);
+            Assert.Equal("XXXXXX", biosset.Name);
+            Assert.Equal("XXXXXX", biosset.Description);
+            Assert.Equal("XXXXXX", biosset.Default);
+        }
+
+        /// <summary>
+        /// Validate a Rom
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Rom? rom)
+        {
+            Assert.NotNull(rom);
+            Assert.Equal("XXXXXX", rom.Name);
+            Assert.Equal("XXXXXX", rom.Size);
+            Assert.Equal("XXXXXX", rom.CRC);
+            Assert.Equal("XXXXXX", rom.MD5);
+            Assert.Equal("XXXXXX", rom.SHA1);
+            Assert.Equal("XXXXXX", rom.Merge);
+            Assert.Equal("XXXXXX", rom.Status);
+            Assert.Equal("XXXXXX", rom.Flags);
+            Assert.Equal("XXXXXX", rom.Date);
+            Assert.Equal("XXXXXX", rom.SHA256);
+            Assert.Equal("XXXXXX", rom.SHA384);
+            Assert.Equal("XXXXXX", rom.SHA512);
+            Assert.Equal("XXXXXX", rom.SpamSum);
+            Assert.Equal("XXXXXX", rom.xxHash364);
+            Assert.Equal("XXXXXX", rom.xxHash3128);
+            Assert.Equal("XXXXXX", rom.Region);
+            Assert.Equal("XXXXXX", rom.Offs);
+            Assert.Equal("XXXXXX", rom.Serial);
+            Assert.Equal("XXXXXX", rom.Header);
+            Assert.Equal("XXXXXX", rom.Inverted);
+            Assert.Equal("XXXXXX", rom.MIA);
+        }
+
+        /// <summary>
+        /// Validate a Disk
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Disk? disk)
+        {
+            Assert.NotNull(disk);
+            Assert.Equal("XXXXXX", disk.Name);
+            Assert.Equal("XXXXXX", disk.MD5);
+            Assert.Equal("XXXXXX", disk.SHA1);
+            Assert.Equal("XXXXXX", disk.Merge);
+            Assert.Equal("XXXXXX", disk.Status);
+            Assert.Equal("XXXXXX", disk.Flags);
+        }
+
+        /// <summary>
+        /// Validate a Sample
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Sample? sample)
+        {
+            Assert.NotNull(sample);
+            Assert.Equal("XXXXXX", sample.Name);
+        }
+
+        /// <summary>
+        /// Validate a Archive
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Archive? archive)
+        {
+            Assert.NotNull(archive);
+            Assert.Equal("XXXXXX", archive.Name);
+        }
+
+        /// <summary>
+        /// Validate a Media
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Media? media)
+        {
+            Assert.NotNull(media);
+            Assert.Equal("XXXXXX", media.Name);
+            Assert.Equal("XXXXXX", media.MD5);
+            Assert.Equal("XXXXXX", media.SHA1);
+            Assert.Equal("XXXXXX", media.SHA256);
+            Assert.Equal("XXXXXX", media.SpamSum);
+        }
+
+        /// <summary>
+        /// Validate a Chip
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Chip? chip)
+        {
+            Assert.NotNull(chip);
+            Assert.Equal("XXXXXX", chip.Type);
+            Assert.Equal("XXXXXX", chip.Name);
+            Assert.Equal("XXXXXX", chip.Flags);
+            Assert.Equal("XXXXXX", chip.Clock);
+        }
+
+        /// <summary>
+        /// Validate a Video
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Video? video)
+        {
+            Assert.NotNull(video);
+            Assert.Equal("XXXXXX", video.Screen);
+            Assert.Equal("XXXXXX", video.Orientation);
+            Assert.Equal("XXXXXX", video.X);
+            Assert.Equal("XXXXXX", video.Y);
+            Assert.Equal("XXXXXX", video.AspectX);
+            Assert.Equal("XXXXXX", video.AspectY);
+            Assert.Equal("XXXXXX", video.Freq);
+        }
+
+        /// <summary>
+        /// Validate a Sound
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Sound? sound)
+        {
+            Assert.NotNull(sound);
+            Assert.Equal("XXXXXX", sound.Channels);
+        }
+
+        /// <summary>
+        /// Validate a Input
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Input? input)
+        {
+            Assert.NotNull(input);
+            Assert.Equal("XXXXXX", input.Players);
+            Assert.Equal("XXXXXX", input.Control);
+            Assert.Equal("XXXXXX", input.Buttons);
+            Assert.Equal("XXXXXX", input.Coins);
+            Assert.Equal("XXXXXX", input.Tilt);
+            Assert.Equal("XXXXXX", input.Service);
+        }
+
+        /// <summary>
+        /// Validate a DipSwitch
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.DipSwitch? dipswitch)
+        {
+            Assert.NotNull(dipswitch);
+            Assert.Equal("XXXXXX", dipswitch.Name);
+
+            Assert.NotNull(dipswitch.Entry);
+            string entry = Assert.Single(dipswitch.Entry);
+            Assert.Equal("XXXXXX", entry);
+
+            Assert.Equal("XXXXXX", dipswitch.Default);
+        }
+
+        /// <summary>
+        /// Validate a Driver
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Driver? driver)
+        {
+            Assert.NotNull(driver);
+            Assert.Equal("XXXXXX", driver.Status);
+            Assert.Equal("XXXXXX", driver.Color);
+            Assert.Equal("XXXXXX", driver.Sound);
+            Assert.Equal("XXXXXX", driver.PaletteSize);
+            Assert.Equal("XXXXXX", driver.Blit);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/DosCenterTests.cs

@@ -0,0 +1,110 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class DosCenterTests
+    {
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.DosCenter();
+
+            // Build the data
+            Models.DosCenter.MetadataFile mf = Build();
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(mf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.DosCenter.MetadataFile? newMf = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Validate(newMf.DosCenter);
+            Assert.NotNull(newMf.Game);
+            var newGame = Assert.Single(newMf.Game);
+            Validate(newGame);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.DosCenter.MetadataFile Build()
+        {
+            var dc = new Models.DosCenter.DosCenter
+            {
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                Version = "XXXXXX",
+                Date = "XXXXXX",
+                Author = "XXXXXX",
+                Homepage = "XXXXXX",
+                Comment = "XXXXXX",
+            };
+
+            var file = new Models.DosCenter.File
+            {
+                Name = "XXXXXX",
+                Size = "XXXXXX",
+                CRC = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Date = "XXXXXX",
+            };
+
+            var game = new Models.DosCenter.Game
+            {
+                Name = "XXXXXX",
+                File = [file],
+            };
+
+            return new Models.DosCenter.MetadataFile
+            {
+                DosCenter = dc,
+                Game = [game],
+            };
+        }
+
+        /// <summary>
+        /// Validate a DosCenter
+        /// </summary>
+        private static void Validate(Models.DosCenter.DosCenter? cmp)
+        {
+            Assert.NotNull(cmp);
+            Assert.Equal("XXXXXX", cmp.Name);
+            Assert.Equal("XXXXXX", cmp.Description);
+            Assert.Equal("XXXXXX", cmp.Version);
+            Assert.Equal("XXXXXX", cmp.Date);
+            Assert.Equal("XXXXXX", cmp.Author);
+            Assert.Equal("XXXXXX", cmp.Homepage);
+            Assert.Equal("XXXXXX", cmp.Comment);
+        }
+
+        /// <summary>
+        /// Validate a Game
+        /// </summary>
+        private static void Validate(Models.DosCenter.Game? game)
+        {
+            Assert.NotNull(game);
+            Assert.Equal("XXXXXX", game.Name);
+
+            Assert.NotNull(game.File);
+            var file = Assert.Single(game.File);
+            Validate(file);
+        }
+
+        /// <summary>
+        /// Validate a File
+        /// </summary>
+        private static void Validate(Models.DosCenter.File? rom)
+        {
+            Assert.NotNull(rom);
+            Assert.Equal("XXXXXX", rom.Name);
+            Assert.Equal("XXXXXX", rom.Size);
+            Assert.Equal("XXXXXX", rom.CRC);
+            Assert.Equal("XXXXXX", rom.SHA1);
+            Assert.Equal("XXXXXX", rom.Date);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/EverdriveSMDBTests.cs

@@ -0,0 +1,65 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class EverdriveSMDBTests
+    {
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.EverdriveSMDB();
+
+            // Build the data
+            Models.EverdriveSMDB.MetadataFile mf = Build();
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(mf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.EverdriveSMDB.MetadataFile? newMf = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Assert.NotNull(newMf.Row);
+            var newRow = Assert.Single(newMf.Row);
+            Validate(newRow);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.EverdriveSMDB.MetadataFile Build()
+        {
+            var row = new Models.EverdriveSMDB.Row
+            {
+                SHA256 = "XXXXXX",
+                Name = "XXXXXX",
+                SHA1 = "XXXXXX",
+                MD5 = "XXXXXX",
+                CRC32 = "XXXXXX",
+                Size = "XXXXXX",
+            };
+
+            return new Models.EverdriveSMDB.MetadataFile
+            {
+                Row = [row],
+            };
+        }
+
+        /// <summary>
+        /// Validate a Row
+        /// </summary>
+        private static void Validate(Models.EverdriveSMDB.Row? row)
+        {
+            Assert.NotNull(row);
+            Assert.Equal("XXXXXX", row.SHA256);
+            Assert.Equal("XXXXXX", row.Name);
+            Assert.Equal("XXXXXX", row.SHA1);
+            Assert.Equal("XXXXXX", row.MD5);
+            Assert.Equal("XXXXXX", row.CRC32);
+            Assert.Equal("XXXXXX", row.Size);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/HashfileTests.cs

@@ -0,0 +1,326 @@
+using System;
+using SabreTools.Hashing;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class HashfileTests
+    {
+        [Fact]
+        public void RoundTripSFVTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.CRC32);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(hf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = serializer.Deserialize(metadata, HashType.CRC32);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.SFV);
+            var newSfv = Assert.Single(newHf.SFV);
+            Validate(newSfv);
+        }
+
+        [Fact]
+        public void RoundTripMD2Test()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.MD2);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(hf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = serializer.Deserialize(metadata, HashType.MD2);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.MD2);
+            var newMd2 = Assert.Single(newHf.MD2);
+            Validate(newMd2);
+        }
+
+        [Fact]
+        public void RoundTripMD4Test()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.MD4);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(hf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = serializer.Deserialize(metadata, HashType.MD4);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.MD4);
+            var newMd4 = Assert.Single(newHf.MD4);
+            Validate(newMd4);
+        }
+
+        [Fact]
+        public void RoundTripMD5Test()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.MD5);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(hf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = serializer.Deserialize(metadata, HashType.MD5);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.MD5);
+            var newMd5 = Assert.Single(newHf.MD5);
+            Validate(newMd5);
+        }
+
+        [Fact]
+        public void RoundTripSHA1Test()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.SHA1);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(hf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = serializer.Deserialize(metadata, HashType.SHA1);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.SHA1);
+            var newSha1 = Assert.Single(newHf.SHA1);
+            Validate(newSha1);
+        }
+
+        [Fact]
+        public void RoundTripSHA256Test()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.SHA256);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(hf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = serializer.Deserialize(metadata, HashType.SHA256);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.SHA256);
+            var newSha256 = Assert.Single(newHf.SHA256);
+            Validate(newSha256);
+        }
+
+        [Fact]
+        public void RoundTripSHA384Test()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.SHA384);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(hf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = serializer.Deserialize(metadata, HashType.SHA384);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.SHA384);
+            var newSha384 = Assert.Single(newHf.SHA384);
+            Validate(newSha384);
+        }
+
+        [Fact]
+        public void RoundTripSHA512Test()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.SHA512);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(hf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = serializer.Deserialize(metadata, HashType.SHA512);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.SHA512);
+            var newSha512 = Assert.Single(newHf.SHA512);
+            Validate(newSha512);
+        }
+
+        [Fact]
+        public void RoundTripSpamSumTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.SpamSum);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(hf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = serializer.Deserialize(metadata, HashType.SpamSum);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.SpamSum);
+            var newSpamsum = Assert.Single(newHf.SpamSum);
+            Validate(newSpamsum);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.Hashfile.Hashfile Build(HashType hashType)
+        {
+            return hashType switch
+            {
+                HashType.CRC32 => new Models.Hashfile.Hashfile { SFV = [new Models.Hashfile.SFV { File = "XXXXXX", Hash = "XXXXXX" }] },
+                HashType.MD2 => new Models.Hashfile.Hashfile { MD2 = [new Models.Hashfile.MD2 { Hash = "XXXXXX", File = "XXXXXX" }] },
+                HashType.MD4 => new Models.Hashfile.Hashfile { MD4 = [new Models.Hashfile.MD4 { Hash = "XXXXXX", File = "XXXXXX" }] },
+                HashType.MD5 => new Models.Hashfile.Hashfile { MD5 = [new Models.Hashfile.MD5 { Hash = "XXXXXX", File = "XXXXXX" }] },
+                HashType.SHA1 => new Models.Hashfile.Hashfile { SHA1 = [new Models.Hashfile.SHA1 { Hash = "XXXXXX", File = "XXXXXX" }] },
+                HashType.SHA256 => new Models.Hashfile.Hashfile { SHA256 = [new Models.Hashfile.SHA256 { Hash = "XXXXXX", File = "XXXXXX" }] },
+                HashType.SHA384 => new Models.Hashfile.Hashfile { SHA384 = [new Models.Hashfile.SHA384 { Hash = "XXXXXX", File = "XXXXXX" }] },
+                HashType.SHA512 => new Models.Hashfile.Hashfile { SHA512 = [new Models.Hashfile.SHA512 { Hash = "XXXXXX", File = "XXXXXX" }] },
+                HashType.SpamSum => new Models.Hashfile.Hashfile { SpamSum = [new Models.Hashfile.SpamSum { Hash = "XXXXXX", File = "XXXXXX" }] },
+                _ => throw new ArgumentOutOfRangeException(),
+            };
+        }
+
+        /// <summary>
+        /// Validate a SFV
+        /// </summary>
+        private static void Validate(Models.Hashfile.SFV? sfv)
+        {
+            Assert.NotNull(sfv);
+            Assert.Equal("XXXXXX", sfv.File);
+            Assert.Equal("XXXXXX", sfv.Hash);
+        }
+
+        /// <summary>
+        /// Validate a MD2
+        /// </summary>
+        private static void Validate(Models.Hashfile.MD2? md2)
+        {
+            Assert.NotNull(md2);
+            Assert.Equal("XXXXXX", md2.Hash);
+            Assert.Equal("XXXXXX", md2.File);
+        }
+
+        /// <summary>
+        /// Validate a MD4
+        /// </summary>
+        private static void Validate(Models.Hashfile.MD4? md4)
+        {
+            Assert.NotNull(md4);
+            Assert.Equal("XXXXXX", md4.Hash);
+            Assert.Equal("XXXXXX", md4.File);
+        }
+
+        /// <summary>
+        /// Validate a MD5
+        /// </summary>
+        private static void Validate(Models.Hashfile.MD5? md5)
+        {
+            Assert.NotNull(md5);
+            Assert.Equal("XXXXXX", md5.Hash);
+            Assert.Equal("XXXXXX", md5.File);
+        }
+
+        /// <summary>
+        /// Validate a SHA1
+        /// </summary>
+        private static void Validate(Models.Hashfile.SHA1? sha1)
+        {
+            Assert.NotNull(sha1);
+            Assert.Equal("XXXXXX", sha1.Hash);
+            Assert.Equal("XXXXXX", sha1.File);
+        }
+
+        /// <summary>
+        /// Validate a SHA256
+        /// </summary>
+        private static void Validate(Models.Hashfile.SHA256? sha256)
+        {
+            Assert.NotNull(sha256);
+            Assert.Equal("XXXXXX", sha256.Hash);
+            Assert.Equal("XXXXXX", sha256.File);
+        }
+
+        /// <summary>
+        /// Validate a SHA384
+        /// </summary>
+        private static void Validate(Models.Hashfile.SHA384? sha384)
+        {
+            Assert.NotNull(sha384);
+            Assert.Equal("XXXXXX", sha384.Hash);
+            Assert.Equal("XXXXXX", sha384.File);
+        }
+
+        /// <summary>
+        /// Validate a SHA512
+        /// </summary>
+        private static void Validate(Models.Hashfile.SHA512? sha512)
+        {
+            Assert.NotNull(sha512);
+            Assert.Equal("XXXXXX", sha512.Hash);
+            Assert.Equal("XXXXXX", sha512.File);
+        }
+
+        /// <summary>
+        /// Validate a SpamSum
+        /// </summary>
+        private static void Validate(Models.Hashfile.SpamSum? spamsum)
+        {
+            Assert.NotNull(spamsum);
+            Assert.Equal("XXXXXX", spamsum.Hash);
+            Assert.Equal("XXXXXX", spamsum.File);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/ListromTests.cs

@@ -0,0 +1,127 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class ListromTests
+    {
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Listrom();
+
+            // Build the data
+            Models.Listrom.MetadataFile mf = Build();
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(mf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Listrom.MetadataFile? newMf = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Assert.NotNull(newMf.Set);
+            Assert.Equal(2, newMf.Set.Length);
+
+            ValidateDevice(newMf.Set[0]);
+            ValidateDriver(newMf.Set[1]);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.Listrom.MetadataFile Build()
+        {
+            var rom = new Models.Listrom.Row
+            {
+                Name = "XXXXXX",
+                Size = "XXXXXX",
+                Bad = true,
+                CRC = "XXXXXX",
+                SHA1 = "XXXXXX",
+                NoGoodDumpKnown = false,
+            };
+
+            var disk = new Models.Listrom.Row
+            {
+                Name = "XXXXXX",
+                Bad = false,
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                NoGoodDumpKnown = true,
+            };
+
+            var device = new Models.Listrom.Set()
+            {
+                Device = "XXXXXX",
+                Row = [rom],
+            };
+
+            var driver = new Models.Listrom.Set()
+            {
+                Driver = "XXXXXX",
+                Row = [disk],
+            };
+
+            return new Models.Listrom.MetadataFile
+            {
+                Set = [device, driver],
+            };
+        }
+
+        /// <summary>
+        /// Validate a Set
+        /// </summary>
+        private static void ValidateDevice(Models.Listrom.Set? set)
+        {
+            Assert.NotNull(set);
+            Assert.Equal("XXXXXX", set.Device);
+
+            Assert.NotNull(set.Row);
+            var row = Assert.Single(set.Row);
+            ValidateRom(row);
+        }
+
+        /// <summary>
+        /// Validate a Set
+        /// </summary>
+        private static void ValidateDriver(Models.Listrom.Set? set)
+        {
+            Assert.NotNull(set);
+            Assert.Equal("XXXXXX", set.Driver);
+
+            Assert.NotNull(set.Row);
+            var row = Assert.Single(set.Row);
+            ValidateDisk(row);
+        }
+
+        /// <summary>
+        /// Validate a Row
+        /// </summary>
+        private static void ValidateRom(Models.Listrom.Row? row)
+        {
+            Assert.NotNull(row);
+            Assert.Equal("XXXXXX", row.Name);
+            Assert.Equal("XXXXXX", row.Size);
+            Assert.True(row.Bad);
+            Assert.Equal("XXXXXX", row.CRC);
+            Assert.Equal("XXXXXX", row.SHA1);
+            Assert.False(row.NoGoodDumpKnown);
+        }
+
+        /// <summary>
+        /// Validate a Row
+        /// </summary>
+        private static void ValidateDisk(Models.Listrom.Row? row)
+        {
+            Assert.NotNull(row);
+            Assert.Equal("XXXXXX", row.Name);
+            Assert.False(row.Bad);
+            Assert.Equal("XXXXXX", row.MD5);
+            Assert.Equal("XXXXXX", row.SHA1);
+            Assert.True(row.NoGoodDumpKnown);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/ListxmlTests.cs

@@ -0,0 +1,878 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class ListxmlTests
+    {
+        [Fact]
+        public void RoundTripGameTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Listxml();
+
+            // Build the data
+            Models.Listxml.Mame mame = Build(game: true);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(mame);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Listxml.Mame? newMame = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newMame);
+            Assert.Equal("XXXXXX", newMame.Build);
+            Assert.Equal("XXXXXX", newMame.Debug);
+            Assert.Equal("XXXXXX", newMame.MameConfig);
+
+            Assert.NotNull(newMame.Game);
+            var newGame = Assert.Single(newMame.Game);
+            Validate(newGame);
+        }
+
+        [Fact]
+        public void RoundTripMachineTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Listxml();
+
+            // Build the data
+            Models.Listxml.Mame mame = Build(game: false);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(mame);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Listxml.Mame? newMame = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newMame);
+            Assert.Equal("XXXXXX", newMame.Build);
+            Assert.Equal("XXXXXX", newMame.Debug);
+            Assert.Equal("XXXXXX", newMame.MameConfig);
+
+            Assert.NotNull(newMame.Game);
+            var newGame = Assert.Single(newMame.Game);
+            Validate(newGame);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.Listxml.Mame Build(bool game)
+        {
+            var biosset = new Models.Listxml.BiosSet
+            {
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var rom = new Models.Listxml.Rom
+            {
+                Name = "XXXXXX",
+                Bios = "XXXXXX",
+                Size = "XXXXXX",
+                CRC = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Merge = "XXXXXX",
+                Region = "XXXXXX",
+                Offset = "XXXXXX",
+                Status = "XXXXXX",
+                Optional = "XXXXXX",
+                Dispose = "XXXXXX",
+                SoundOnly = "XXXXXX",
+            };
+
+            var disk = new Models.Listxml.Disk
+            {
+                Name = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Merge = "XXXXXX",
+                Region = "XXXXXX",
+                Index = "XXXXXX",
+                Writable = "XXXXXX",
+                Status = "XXXXXX",
+                Optional = "XXXXXX",
+            };
+
+            var deviceref = new Models.Listxml.DeviceRef
+            {
+                Name = "XXXXXX",
+            };
+
+            var sample = new Models.Listxml.Sample
+            {
+                Name = "XXXXXX",
+            };
+
+            var chip = new Models.Listxml.Chip
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Type = "XXXXXX",
+                SoundOnly = "XXXXXX",
+                Clock = "XXXXXX",
+            };
+
+            var display = new Models.Listxml.Display
+            {
+                Tag = "XXXXXX",
+                Type = "XXXXXX",
+                Rotate = "XXXXXX",
+                FlipX = "XXXXXX",
+                Width = "XXXXXX",
+                Height = "XXXXXX",
+                Refresh = "XXXXXX",
+                PixClock = "XXXXXX",
+                HTotal = "XXXXXX",
+                HBEnd = "XXXXXX",
+                HBStart = "XXXXXX",
+                VTotal = "XXXXXX",
+                VBEnd = "XXXXXX",
+                VBStart = "XXXXXX",
+            };
+
+            var video = new Models.Listxml.Video
+            {
+                Screen = "XXXXXX",
+                Orientation = "XXXXXX",
+                Width = "XXXXXX",
+                Height = "XXXXXX",
+                AspectX = "XXXXXX",
+                AspectY = "XXXXXX",
+                Refresh = "XXXXXX",
+            };
+
+            var sound = new Models.Listxml.Sound
+            {
+                Channels = "XXXXXX",
+            };
+
+            var control = new Models.Listxml.Control
+            {
+                Type = "XXXXXX",
+                Player = "XXXXXX",
+                Buttons = "XXXXXX",
+                ReqButtons = "XXXXXX",
+                Minimum = "XXXXXX",
+                Maximum = "XXXXXX",
+                Sensitivity = "XXXXXX",
+                KeyDelta = "XXXXXX",
+                Reverse = "XXXXXX",
+                Ways = "XXXXXX",
+                Ways2 = "XXXXXX",
+                Ways3 = "XXXXXX",
+            };
+
+            var input = new Models.Listxml.Input
+            {
+                Service = "XXXXXX",
+                Tilt = "XXXXXX",
+                Players = "XXXXXX",
+                //ControlAttr = "XXXXXX", // Mututally exclusive with input.Control
+                Buttons = "XXXXXX",
+                Coins = "XXXXXX",
+                Control = [control],
+            };
+
+            var condition = new Models.Listxml.Condition
+            {
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                Relation = "XXXXXX",
+                Value = "XXXXXX",
+            };
+
+            var diplocation = new Models.Listxml.DipLocation
+            {
+                Name = "XXXXXX",
+                Number = "XXXXXX",
+                Inverted = "XXXXXX",
+            };
+
+            var dipvalue = new Models.Listxml.DipValue
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+                Default = "XXXXXX",
+                Condition = condition,
+            };
+
+            var dipswitch = new Models.Listxml.DipSwitch
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                Condition = condition,
+                DipLocation = [diplocation],
+                DipValue = [dipvalue],
+            };
+
+            var conflocation = new Models.Listxml.ConfLocation
+            {
+                Name = "XXXXXX",
+                Number = "XXXXXX",
+                Inverted = "XXXXXX",
+            };
+
+            var confsetting = new Models.Listxml.ConfSetting
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+                Default = "XXXXXX",
+                Condition = condition,
+            };
+
+            var configuration = new Models.Listxml.Configuration
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                Condition = condition,
+                ConfLocation = [conflocation],
+                ConfSetting = [confsetting],
+            };
+
+            var analog = new Models.Listxml.Analog
+            {
+                Mask = "XXXXXX",
+            };
+
+            var port = new Models.Listxml.Port
+            {
+                Tag = "XXXXXX",
+                Analog = [analog],
+            };
+
+            var adjuster = new Models.Listxml.Adjuster
+            {
+                Name = "XXXXXX",
+                Default = "XXXXXX",
+                Condition = condition,
+            };
+
+            var driver = new Models.Listxml.Driver
+            {
+                Status = "XXXXXX",
+                Color = "XXXXXX",
+                Sound = "XXXXXX",
+                PaletteSize = "XXXXXX",
+                Emulation = "XXXXXX",
+                Cocktail = "XXXXXX",
+                SaveState = "XXXXXX",
+                RequiresArtwork = "XXXXXX",
+                Unofficial = "XXXXXX",
+                NoSoundHardware = "XXXXXX",
+                Incomplete = "XXXXXX",
+            };
+
+            var feature = new Models.Listxml.Feature
+            {
+                Type = "XXXXXX",
+                Status = "XXXXXX",
+                Overall = "XXXXXX",
+            };
+
+            var instance = new Models.Listxml.Instance
+            {
+                Name = "XXXXXX",
+                BriefName = "XXXXXX",
+            };
+
+            var extension = new Models.Listxml.Extension
+            {
+                Name = "XXXXXX",
+            };
+
+            var device = new Models.Listxml.Device
+            {
+                Type = "XXXXXX",
+                Tag = "XXXXXX",
+                FixedImage = "XXXXXX",
+                Mandatory = "XXXXXX",
+                Interface = "XXXXXX",
+                Instance = instance,
+                Extension = [extension],
+            };
+
+            var slotOption = new Models.Listxml.SlotOption
+            {
+                Name = "XXXXXX",
+                DevName = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var slot = new Models.Listxml.Slot
+            {
+                Name = "XXXXXX",
+                SlotOption = [slotOption],
+            };
+
+            var softwarelist = new Models.Listxml.SoftwareList
+            {
+                Tag = "XXXXXX",
+                Name = "XXXXXX",
+                Status = "XXXXXX",
+                Filter = "XXXXXX",
+            };
+
+            var ramoption = new Models.Listxml.RamOption
+            {
+                Name = "XXXXXX",
+                Default = "XXXXXX",
+                Content = "XXXXXX",
+            };
+
+            Models.Listxml.GameBase gameBase = game
+                ? new Models.Listxml.Game()
+                : new Models.Listxml.Machine();
+            gameBase.Name = "XXXXXX";
+            gameBase.SourceFile = "XXXXXX";
+            gameBase.IsBios = "XXXXXX";
+            gameBase.IsDevice = "XXXXXX";
+            gameBase.IsMechanical = "XXXXXX";
+            gameBase.Runnable = "XXXXXX";
+            gameBase.CloneOf = "XXXXXX";
+            gameBase.RomOf = "XXXXXX";
+            gameBase.SampleOf = "XXXXXX";
+            gameBase.Description = "XXXXXX";
+            gameBase.Year = "XXXXXX";
+            gameBase.Manufacturer = "XXXXXX";
+            gameBase.History = "XXXXXX";
+            gameBase.BiosSet = [biosset];
+            gameBase.Rom = [rom];
+            gameBase.Disk = [disk];
+            gameBase.DeviceRef = [deviceref];
+            gameBase.Sample = [sample];
+            gameBase.Chip = [chip];
+            gameBase.Display = [display];
+            gameBase.Video = [video];
+            gameBase.Sound = sound;
+            gameBase.Input = input;
+            gameBase.DipSwitch = [dipswitch];
+            gameBase.Configuration = [configuration];
+            gameBase.Port = [port];
+            gameBase.Adjuster = [adjuster];
+            gameBase.Driver = driver;
+            gameBase.Feature = [feature];
+            gameBase.Device = [device];
+            gameBase.Slot = [slot];
+            gameBase.SoftwareList = [softwarelist];
+            gameBase.RamOption = [ramoption];
+
+            return new Models.Listxml.Mame
+            {
+                Build = "XXXXXX",
+                Debug = "XXXXXX",
+                MameConfig = "XXXXXX",
+                Game = [gameBase],
+            };
+        }
+
+        /// <summary>
+        /// Validate a GameBase
+        /// </summary>
+        private static void Validate(Models.Listxml.GameBase? gb)
+        {
+            Assert.NotNull(gb);
+            Assert.Equal("XXXXXX", gb.Name);
+            Assert.Equal("XXXXXX", gb.SourceFile);
+            Assert.Equal("XXXXXX", gb.IsBios);
+            Assert.Equal("XXXXXX", gb.IsDevice);
+            Assert.Equal("XXXXXX", gb.IsMechanical);
+            Assert.Equal("XXXXXX", gb.Runnable);
+            Assert.Equal("XXXXXX", gb.CloneOf);
+            Assert.Equal("XXXXXX", gb.RomOf);
+            Assert.Equal("XXXXXX", gb.SampleOf);
+            Assert.Equal("XXXXXX", gb.Description);
+            Assert.Equal("XXXXXX", gb.Year);
+            Assert.Equal("XXXXXX", gb.Manufacturer);
+            Assert.Equal("XXXXXX", gb.History);
+
+            Assert.NotNull(gb.BiosSet);
+            var biosset = Assert.Single(gb.BiosSet);
+            Validate(biosset);
+
+            Assert.NotNull(gb.Rom);
+            var rom = Assert.Single(gb.Rom);
+            Validate(rom);
+
+            Assert.NotNull(gb.Disk);
+            var disk = Assert.Single(gb.Disk);
+            Validate(disk);
+
+            Assert.NotNull(gb.DeviceRef);
+            var deviceref = Assert.Single(gb.DeviceRef);
+            Validate(deviceref);
+
+            Assert.NotNull(gb.Sample);
+            var sample = Assert.Single(gb.Sample);
+            Validate(sample);
+
+            Assert.NotNull(gb.Chip);
+            var chip = Assert.Single(gb.Chip);
+            Validate(chip);
+
+            Assert.NotNull(gb.Display);
+            var display = Assert.Single(gb.Display);
+            Validate(display);
+
+            Assert.NotNull(gb.Video);
+            var video = Assert.Single(gb.Video);
+            Validate(video);
+
+            Validate(gb.Sound);
+            Validate(gb.Input);
+
+            Assert.NotNull(gb.DipSwitch);
+            var dipswitch = Assert.Single(gb.DipSwitch);
+            Validate(dipswitch);
+
+            Assert.NotNull(gb.Configuration);
+            var configuration = Assert.Single(gb.Configuration);
+            Validate(configuration);
+
+            Assert.NotNull(gb.Port);
+            var port = Assert.Single(gb.Port);
+            Validate(port);
+
+            Assert.NotNull(gb.Adjuster);
+            var adjuster = Assert.Single(gb.Adjuster);
+            Validate(adjuster);
+
+            Validate(gb.Driver);
+
+            Assert.NotNull(gb.Feature);
+            var feature = Assert.Single(gb.Feature);
+            Validate(feature);
+
+            Assert.NotNull(gb.Device);
+            var device = Assert.Single(gb.Device);
+            Validate(device);
+
+            Assert.NotNull(gb.Slot);
+            var slot = Assert.Single(gb.Slot);
+            Validate(slot);
+
+            Assert.NotNull(gb.SoftwareList);
+            var softwarelist = Assert.Single(gb.SoftwareList);
+            Validate(softwarelist);
+
+            Assert.NotNull(gb.RamOption);
+            var ramoption = Assert.Single(gb.RamOption);
+            Validate(ramoption);
+        }
+
+        /// <summary>
+        /// Validate a BiosSet
+        /// </summary>
+        private static void Validate(Models.Listxml.BiosSet? biosset)
+        {
+            Assert.NotNull(biosset);
+            Assert.Equal("XXXXXX", biosset.Name);
+            Assert.Equal("XXXXXX", biosset.Description);
+            Assert.Equal("XXXXXX", biosset.Default);
+        }
+
+        /// <summary>
+        /// Validate a Rom
+        /// </summary>
+        private static void Validate(Models.Listxml.Rom? rom)
+        {
+            Assert.NotNull(rom);
+            Assert.Equal("XXXXXX", rom.Name);
+            Assert.Equal("XXXXXX", rom.Bios);
+            Assert.Equal("XXXXXX", rom.Size);
+            Assert.Equal("XXXXXX", rom.CRC);
+            Assert.Equal("XXXXXX", rom.SHA1);
+            Assert.Equal("XXXXXX", rom.Merge);
+            Assert.Equal("XXXXXX", rom.Region);
+            Assert.Equal("XXXXXX", rom.Offset);
+            Assert.Equal("XXXXXX", rom.Status);
+            Assert.Equal("XXXXXX", rom.Optional);
+            Assert.Equal("XXXXXX", rom.Dispose);
+            Assert.Equal("XXXXXX", rom.SoundOnly);
+        }
+
+        /// <summary>
+        /// Validate a Disk
+        /// </summary>
+        private static void Validate(Models.Listxml.Disk? disk)
+        {
+            Assert.NotNull(disk);
+            Assert.Equal("XXXXXX", disk.Name);
+            Assert.Equal("XXXXXX", disk.MD5);
+            Assert.Equal("XXXXXX", disk.SHA1);
+            Assert.Equal("XXXXXX", disk.Merge);
+            Assert.Equal("XXXXXX", disk.Region);
+            Assert.Equal("XXXXXX", disk.Index);
+            Assert.Equal("XXXXXX", disk.Writable);
+            Assert.Equal("XXXXXX", disk.Status);
+            Assert.Equal("XXXXXX", disk.Optional);
+        }
+
+        /// <summary>
+        /// Validate a DeviceRef
+        /// </summary>
+        private static void Validate(Models.Listxml.DeviceRef? deviceref)
+        {
+            Assert.NotNull(deviceref);
+            Assert.Equal("XXXXXX", deviceref.Name);
+        }
+
+        /// <summary>
+        /// Validate a Sample
+        /// </summary>
+        private static void Validate(Models.Listxml.Sample? sample)
+        {
+            Assert.NotNull(sample);
+            Assert.Equal("XXXXXX", sample.Name);
+        }
+
+        /// <summary>
+        /// Validate a Chip
+        /// </summary>
+        private static void Validate(Models.Listxml.Chip? chip)
+        {
+            Assert.NotNull(chip);
+            Assert.Equal("XXXXXX", chip.Name);
+            Assert.Equal("XXXXXX", chip.Tag);
+            Assert.Equal("XXXXXX", chip.Type);
+            Assert.Equal("XXXXXX", chip.SoundOnly);
+            Assert.Equal("XXXXXX", chip.Clock);
+        }
+
+        /// <summary>
+        /// Validate a Display
+        /// </summary>
+        private static void Validate(Models.Listxml.Display? display)
+        {
+            Assert.NotNull(display);
+            Assert.Equal("XXXXXX", display.Tag);
+            Assert.Equal("XXXXXX", display.Type);
+            Assert.Equal("XXXXXX", display.Rotate);
+            Assert.Equal("XXXXXX", display.FlipX);
+            Assert.Equal("XXXXXX", display.Width);
+            Assert.Equal("XXXXXX", display.Height);
+            Assert.Equal("XXXXXX", display.Refresh);
+            Assert.Equal("XXXXXX", display.PixClock);
+            Assert.Equal("XXXXXX", display.HTotal);
+            Assert.Equal("XXXXXX", display.HBEnd);
+            Assert.Equal("XXXXXX", display.HBStart);
+            Assert.Equal("XXXXXX", display.VTotal);
+            Assert.Equal("XXXXXX", display.VBEnd);
+            Assert.Equal("XXXXXX", display.VBStart);
+        }
+
+        /// <summary>
+        /// Validate a Video
+        /// </summary>
+        private static void Validate(Models.Listxml.Video? video)
+        {
+            Assert.NotNull(video);
+            Assert.Equal("XXXXXX", video.Screen);
+            Assert.Equal("XXXXXX", video.Orientation);
+            Assert.Equal("XXXXXX", video.Width);
+            Assert.Equal("XXXXXX", video.Height);
+            Assert.Equal("XXXXXX", video.AspectX);
+            Assert.Equal("XXXXXX", video.AspectY);
+            Assert.Equal("XXXXXX", video.Refresh);
+        }
+
+        /// <summary>
+        /// Validate a Sound
+        /// </summary>
+        private static void Validate(Models.Listxml.Sound? sound)
+        {
+            Assert.NotNull(sound);
+            Assert.Equal("XXXXXX", sound.Channels);
+        }
+
+        /// <summary>
+        /// Validate a Input
+        /// </summary>
+        private static void Validate(Models.Listxml.Input? input)
+        {
+            Assert.NotNull(input);
+            Assert.Equal("XXXXXX", input.Service);
+            Assert.Equal("XXXXXX", input.Tilt);
+            Assert.Equal("XXXXXX", input.Players);
+            //Assert.Equal("XXXXXX", input.ControlAttr); // Mututally exclusive with input.Control
+            Assert.Equal("XXXXXX", input.Buttons);
+            Assert.Equal("XXXXXX", input.Coins);
+
+            Assert.NotNull(input.Control);
+            var control = Assert.Single(input.Control);
+            Validate(control);
+        }
+
+        /// <summary>
+        /// Validate a Control
+        /// </summary>
+        private static void Validate(Models.Listxml.Control? control)
+        {
+            Assert.NotNull(control);
+            Assert.Equal("XXXXXX", control.Type);
+            Assert.Equal("XXXXXX", control.Player);
+            Assert.Equal("XXXXXX", control.Buttons);
+            Assert.Equal("XXXXXX", control.ReqButtons);
+            Assert.Equal("XXXXXX", control.Minimum);
+            Assert.Equal("XXXXXX", control.Maximum);
+            Assert.Equal("XXXXXX", control.Sensitivity);
+            Assert.Equal("XXXXXX", control.KeyDelta);
+            Assert.Equal("XXXXXX", control.Reverse);
+            Assert.Equal("XXXXXX", control.Ways);
+            Assert.Equal("XXXXXX", control.Ways2);
+            Assert.Equal("XXXXXX", control.Ways3);
+        }
+
+        /// <summary>
+        /// Validate a DipSwitch
+        /// </summary>
+        private static void Validate(Models.Listxml.DipSwitch? dipswitch)
+        {
+            Assert.NotNull(dipswitch);
+            Assert.Equal("XXXXXX", dipswitch.Name);
+            Assert.Equal("XXXXXX", dipswitch.Tag);
+            Assert.Equal("XXXXXX", dipswitch.Mask);
+            Validate(dipswitch.Condition);
+
+            Assert.NotNull(dipswitch.DipLocation);
+            var diplocation = Assert.Single(dipswitch.DipLocation);
+            Validate(diplocation);
+
+            Assert.NotNull(dipswitch.DipValue);
+            var dipvalue = Assert.Single(dipswitch.DipValue);
+            Validate(dipvalue);
+        }
+
+        /// <summary>
+        /// Validate a Condition
+        /// </summary>
+        private static void Validate(Models.Listxml.Condition? condition)
+        {
+            Assert.NotNull(condition);
+            Assert.Equal("XXXXXX", condition.Tag);
+            Assert.Equal("XXXXXX", condition.Mask);
+            Assert.Equal("XXXXXX", condition.Relation);
+            Assert.Equal("XXXXXX", condition.Value);
+        }
+
+        /// <summary>
+        /// Validate a DipLocation
+        /// </summary>
+        private static void Validate(Models.Listxml.DipLocation? diplocation)
+        {
+            Assert.NotNull(diplocation);
+            Assert.Equal("XXXXXX", diplocation.Name);
+            Assert.Equal("XXXXXX", diplocation.Number);
+            Assert.Equal("XXXXXX", diplocation.Inverted);
+        }
+
+        /// <summary>
+        /// Validate a DipValue
+        /// </summary>
+        private static void Validate(Models.Listxml.DipValue? dipvalue)
+        {
+            Assert.NotNull(dipvalue);
+            Assert.Equal("XXXXXX", dipvalue.Name);
+            Assert.Equal("XXXXXX", dipvalue.Value);
+            Assert.Equal("XXXXXX", dipvalue.Default);
+            Validate(dipvalue.Condition);
+        }
+
+        /// <summary>
+        /// Validate a Configuration
+        /// </summary>
+        private static void Validate(Models.Listxml.Configuration? configuration)
+        {
+            Assert.NotNull(configuration);
+            Assert.Equal("XXXXXX", configuration.Name);
+            Assert.Equal("XXXXXX", configuration.Tag);
+            Assert.Equal("XXXXXX", configuration.Mask);
+            Validate(configuration.Condition);
+
+            Assert.NotNull(configuration.ConfLocation);
+            var conflocation = Assert.Single(configuration.ConfLocation);
+            Validate(conflocation);
+
+            Assert.NotNull(configuration.ConfSetting);
+            var confsetting = Assert.Single(configuration.ConfSetting);
+            Validate(confsetting);
+        }
+
+        /// <summary>
+        /// Validate a ConfLocation
+        /// </summary>
+        private static void Validate(Models.Listxml.ConfLocation? conflocation)
+        {
+            Assert.NotNull(conflocation);
+            Assert.Equal("XXXXXX", conflocation.Name);
+            Assert.Equal("XXXXXX", conflocation.Number);
+            Assert.Equal("XXXXXX", conflocation.Inverted);
+        }
+
+        /// <summary>
+        /// Validate a ConfSetting
+        /// </summary>
+        private static void Validate(Models.Listxml.ConfSetting? confsetting)
+        {
+            Assert.NotNull(confsetting);
+            Assert.Equal("XXXXXX", confsetting.Name);
+            Assert.Equal("XXXXXX", confsetting.Value);
+            Assert.Equal("XXXXXX", confsetting.Default);
+            Validate(confsetting.Condition);
+        }
+
+        /// <summary>
+        /// Validate a Port
+        /// </summary>
+        private static void Validate(Models.Listxml.Port? port)
+        {
+            Assert.NotNull(port);
+            Assert.Equal("XXXXXX", port.Tag);
+
+            Assert.NotNull(port.Analog);
+            var analog = Assert.Single(port.Analog);
+            Validate(analog);
+        }
+
+        /// <summary>
+        /// Validate a Analog
+        /// </summary>
+        private static void Validate(Models.Listxml.Analog? analog)
+        {
+            Assert.NotNull(analog);
+            Assert.Equal("XXXXXX", analog.Mask);
+        }
+
+        /// <summary>
+        /// Validate a Adjuster
+        /// </summary>
+        private static void Validate(Models.Listxml.Adjuster? adjuster)
+        {
+            Assert.NotNull(adjuster);
+            Assert.Equal("XXXXXX", adjuster.Name);
+            Assert.Equal("XXXXXX", adjuster.Default);
+            Validate(adjuster.Condition);
+        }
+
+        /// <summary>
+        /// Validate a Driver
+        /// </summary>
+        private static void Validate(Models.Listxml.Driver? driver)
+        {
+            Assert.NotNull(driver);
+            Assert.Equal("XXXXXX", driver.Status);
+            Assert.Equal("XXXXXX", driver.Color);
+            Assert.Equal("XXXXXX", driver.Sound);
+            Assert.Equal("XXXXXX", driver.PaletteSize);
+            Assert.Equal("XXXXXX", driver.Emulation);
+            Assert.Equal("XXXXXX", driver.Cocktail);
+            Assert.Equal("XXXXXX", driver.SaveState);
+            Assert.Equal("XXXXXX", driver.RequiresArtwork);
+            Assert.Equal("XXXXXX", driver.Unofficial);
+            Assert.Equal("XXXXXX", driver.NoSoundHardware);
+            Assert.Equal("XXXXXX", driver.Incomplete);
+        }
+
+        /// <summary>
+        /// Validate a Feature
+        /// </summary>
+        private static void Validate(Models.Listxml.Feature? feature)
+        {
+            Assert.NotNull(feature);
+            Assert.Equal("XXXXXX", feature.Type);
+            Assert.Equal("XXXXXX", feature.Status);
+            Assert.Equal("XXXXXX", feature.Overall);
+        }
+
+        /// <summary>
+        /// Validate a Device
+        /// </summary>
+        private static void Validate(Models.Listxml.Device? device)
+        {
+            Assert.NotNull(device);
+            Assert.Equal("XXXXXX", device.Type);
+            Assert.Equal("XXXXXX", device.Tag);
+            Assert.Equal("XXXXXX", device.FixedImage);
+            Assert.Equal("XXXXXX", device.Mandatory);
+            Assert.Equal("XXXXXX", device.Interface);
+            Validate(device.Instance);
+
+            Assert.NotNull(device.Extension);
+            var extension = Assert.Single(device.Extension);
+            Validate(extension);
+        }
+
+        /// <summary>
+        /// Validate a Instance
+        /// </summary>
+        private static void Validate(Models.Listxml.Instance? instance)
+        {
+            Assert.NotNull(instance);
+            Assert.Equal("XXXXXX", instance.Name);
+            Assert.Equal("XXXXXX", instance.BriefName);
+        }
+
+        /// <summary>
+        /// Validate a Extension
+        /// </summary>
+        private static void Validate(Models.Listxml.Extension? extension)
+        {
+            Assert.NotNull(extension);
+            Assert.Equal("XXXXXX", extension.Name);
+        }
+
+        /// <summary>
+        /// Validate a Slot
+        /// </summary>
+        private static void Validate(Models.Listxml.Slot? slot)
+        {
+            Assert.NotNull(slot);
+            Assert.Equal("XXXXXX", slot.Name);
+
+            Assert.NotNull(slot.SlotOption);
+            var slotoption = Assert.Single(slot.SlotOption);
+            Validate(slotoption);
+        }
+
+        /// <summary>
+        /// Validate a SlotOption
+        /// </summary>
+        private static void Validate(Models.Listxml.SlotOption? slotoption)
+        {
+            Assert.NotNull(slotoption);
+            Assert.Equal("XXXXXX", slotoption.Name);
+            Assert.Equal("XXXXXX", slotoption.DevName);
+            Assert.Equal("XXXXXX", slotoption.Default);
+        }
+
+        /// <summary>
+        /// Validate a SoftwareList
+        /// </summary>
+        private static void Validate(Models.Listxml.SoftwareList? softwarelist)
+        {
+            Assert.NotNull(softwarelist);
+            Assert.Equal("XXXXXX", softwarelist.Tag);
+            Assert.Equal("XXXXXX", softwarelist.Name);
+            Assert.Equal("XXXXXX", softwarelist.Status);
+            Assert.Equal("XXXXXX", softwarelist.Filter);
+        }
+
+        /// <summary>
+        /// Validate a RamOption
+        /// </summary>
+        private static void Validate(Models.Listxml.RamOption? ramoption)
+        {
+            Assert.NotNull(ramoption);
+            Assert.Equal("XXXXXX", ramoption.Name);
+            Assert.Equal("XXXXXX", ramoption.Default);
+            Assert.Equal("XXXXXX", ramoption.Content);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/LogiqxTests.cs

@@ -0,0 +1,562 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class LogiqxTests
+    {
+        [Fact]
+        public void RoundTripGameTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Logiqx();
+
+            // Build the data
+            Models.Logiqx.Datafile df = Build(game: true);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(df);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Logiqx.Datafile? newDf = serializer.Deserialize(metadata, game: true);
+
+            // Validate the data
+            Assert.NotNull(newDf);
+            Assert.Equal("XXXXXX", newDf.Build);
+            Assert.Equal("XXXXXX", newDf.Debug);
+            Assert.Equal("XXXXXX", newDf.SchemaLocation);
+            Validate(newDf.Header);
+
+            Assert.NotNull(newDf.Game);
+            Assert.Equal(2, newDf.Game.Length);
+            Validate(newDf.Game[0], nested: false);
+            Validate(newDf.Game[1], nested: true);
+
+            // TODO: Unsupported for round-trip
+            Assert.Null(newDf.Dir);
+        }
+
+        [Fact]
+        public void RoundTripMachineTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Logiqx();
+
+            // Build the data
+            Models.Logiqx.Datafile df = Build(game: false);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(df);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Logiqx.Datafile? newDf = serializer.Deserialize(metadata, game: false);
+
+            // Validate the data
+            Assert.NotNull(newDf);
+            Assert.Equal("XXXXXX", newDf.Build);
+            Assert.Equal("XXXXXX", newDf.Debug);
+            Assert.Equal("XXXXXX", newDf.SchemaLocation);
+            Validate(newDf.Header);
+
+            Assert.NotNull(newDf.Game);
+            Assert.Equal(2, newDf.Game.Length);
+            Validate(newDf.Game[0], nested: false);
+            Validate(newDf.Game[1], nested: true);
+
+            // TODO: Unsupported for round-trip
+            Assert.Null(newDf.Dir);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.Logiqx.Datafile Build(bool game)
+        {
+            var clrmamepro = new Models.Logiqx.ClrMamePro
+            {
+                Header = "XXXXXX",
+                ForceMerging = "XXXXXX",
+                ForceNodump = "XXXXXX",
+                ForcePacking = "XXXXXX",
+            };
+
+            var romcenter = new Models.Logiqx.RomCenter
+            {
+                Plugin = "XXXXXX",
+                RomMode = "XXXXXX",
+                BiosMode = "XXXXXX",
+                SampleMode = "XXXXXX",
+                LockRomMode = "XXXXXX",
+                LockBiosMode = "XXXXXX",
+                LockSampleMode = "XXXXXX",
+            };
+
+            var header = new Models.Logiqx.Header
+            {
+                Id = "XXXXXX",
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                RootDir = "XXXXXX",
+                Category = "XXXXXX",
+                Version = "XXXXXX",
+                Date = "XXXXXX",
+                Author = "XXXXXX",
+                Email = "XXXXXX",
+                Homepage = "XXXXXX",
+                Url = "XXXXXX",
+                Comment = "XXXXXX",
+                Type = "XXXXXX",
+                ClrMamePro = clrmamepro,
+                RomCenter = romcenter,
+            };
+
+            var trurip = new Models.Logiqx.Trurip
+            {
+                TitleID = "XXXXXX",
+                Publisher = "XXXXXX",
+                Developer = "XXXXXX",
+                Year = "XXXXXX",
+                Genre = "XXXXXX",
+                Subgenre = "XXXXXX",
+                Ratings = "XXXXXX",
+                Score = "XXXXXX",
+                Players = "XXXXXX",
+                Enabled = "XXXXXX",
+                CRC = "XXXXXX",
+                Source = "XXXXXX",
+                CloneOf = "XXXXXX",
+                RelatedTo = "XXXXXX",
+            };
+
+            var release = new Models.Logiqx.Release
+            {
+                Name = "XXXXXX",
+                Region = "XXXXXX",
+                Language = "XXXXXX",
+                Date = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var biosset = new Models.Logiqx.BiosSet
+            {
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var rom = new Models.Logiqx.Rom
+            {
+                Name = "XXXXXX",
+                Size = "XXXXXX",
+                CRC = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                SHA256 = "XXXXXX",
+                SHA384 = "XXXXXX",
+                SHA512 = "XXXXXX",
+                SpamSum = "XXXXXX",
+                xxHash364 = "XXXXXX",
+                xxHash3128 = "XXXXXX",
+                Merge = "XXXXXX",
+                Status = "XXXXXX",
+                Serial = "XXXXXX",
+                Header = "XXXXXX",
+                Date = "XXXXXX",
+                Inverted = "XXXXXX",
+                MIA = "XXXXXX",
+            };
+
+            var disk = new Models.Logiqx.Disk
+            {
+                Name = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Merge = "XXXXXX",
+                Status = "XXXXXX",
+                Region = "XXXXXX",
+            };
+
+            var media = new Models.Logiqx.Media
+            {
+                Name = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                SHA256 = "XXXXXX",
+                SpamSum = "XXXXXX",
+            };
+
+            var deviceRef = new Models.Logiqx.DeviceRef
+            {
+                Name = "XXXXXX",
+            };
+
+            var sample = new Models.Logiqx.Sample
+            {
+                Name = "XXXXXX",
+            };
+
+            var archive = new Models.Logiqx.Archive
+            {
+                Name = "XXXXXX",
+            };
+
+            var driver = new Models.Logiqx.Driver
+            {
+                Status = "XXXXXX",
+                Emulation = "XXXXXX",
+                Cocktail = "XXXXXX",
+                SaveState = "XXXXXX",
+                RequiresArtwork = "XXXXXX",
+                Unofficial = "XXXXXX",
+                NoSoundHardware = "XXXXXX",
+                Incomplete = "XXXXXX",
+            };
+
+            var softwarelist = new Models.Logiqx.SoftwareList
+            {
+                Tag = "XXXXXX",
+                Name = "XXXXXX",
+                Status = "XXXXXX",
+                Filter = "XXXXXX",
+            };
+
+            Models.Logiqx.GameBase gameBase = game
+                ? new Models.Logiqx.Game()
+                : new Models.Logiqx.Machine();
+            gameBase.Name = "XXXXXX";
+            gameBase.SourceFile = "XXXXXX";
+            gameBase.IsBios = "XXXXXX";
+            gameBase.IsDevice = "XXXXXX";
+            gameBase.IsMechanical = "XXXXXX";
+            gameBase.CloneOf = "XXXXXX";
+            gameBase.RomOf = "XXXXXX";
+            gameBase.SampleOf = "XXXXXX";
+            gameBase.Board = "XXXXXX";
+            gameBase.RebuildTo = "XXXXXX";
+            gameBase.Id = "XXXXXX";
+            gameBase.CloneOfId = "XXXXXX";
+            gameBase.Runnable = "XXXXXX";
+            gameBase.Comment = ["XXXXXX"];
+            gameBase.Description = "XXXXXX";
+            gameBase.Year = "XXXXXX";
+            gameBase.Manufacturer = "XXXXXX";
+            gameBase.Publisher = "XXXXXX";
+            gameBase.Category = ["XXXXXX"];
+            gameBase.Trurip = trurip;
+            gameBase.Release = [release];
+            gameBase.BiosSet = [biosset];
+            gameBase.Rom = [rom];
+            gameBase.Disk = [disk];
+            gameBase.Media = [media];
+            gameBase.DeviceRef = [deviceRef];
+            gameBase.Sample = [sample];
+            gameBase.Archive = [archive];
+            gameBase.Driver = driver;
+            gameBase.SoftwareList = [softwarelist];
+
+            var subdir = new Models.Logiqx.Dir
+            {
+                Name = "XXXXXX",
+                Game = [gameBase],
+            };
+
+            var dir = new Models.Logiqx.Dir
+            {
+                Name = "XXXXXX",
+                Subdir = [subdir],
+            };
+
+            return new Models.Logiqx.Datafile
+            {
+                Build = "XXXXXX",
+                Debug = "XXXXXX",
+                SchemaLocation = "XXXXXX",
+                Header = header,
+                Game = [gameBase],
+                Dir = [dir],
+            };
+        }
+
+        /// <summary>
+        /// Validate a Header
+        /// </summary>
+        private static void Validate(Models.Logiqx.Header? header)
+        {
+            Assert.NotNull(header);
+            Assert.Equal("XXXXXX", header.Id);
+            Assert.Equal("XXXXXX", header.Name);
+            Assert.Equal("XXXXXX", header.Description);
+            Assert.Equal("XXXXXX", header.RootDir);
+            Assert.Equal("XXXXXX", header.Category);
+            Assert.Equal("XXXXXX", header.Version);
+            Assert.Equal("XXXXXX", header.Date);
+            Assert.Equal("XXXXXX", header.Author);
+            Assert.Equal("XXXXXX", header.Email);
+            Assert.Equal("XXXXXX", header.Homepage);
+            Assert.Equal("XXXXXX", header.Url);
+            Assert.Equal("XXXXXX", header.Comment);
+            Assert.Equal("XXXXXX", header.Type);
+            Validate(header.ClrMamePro);
+            Validate(header.RomCenter);
+        }
+
+        /// <summary>
+        /// Validate a ClrMamePro
+        /// </summary>
+        private static void Validate(Models.Logiqx.ClrMamePro? cmp)
+        {
+            Assert.NotNull(cmp);
+            Assert.Equal("XXXXXX", cmp.Header);
+            Assert.Equal("XXXXXX", cmp.ForceMerging);
+            Assert.Equal("XXXXXX", cmp.ForceNodump);
+            Assert.Equal("XXXXXX", cmp.ForcePacking);
+        }
+
+        /// <summary>
+        /// Validate a RomCenter
+        /// </summary>
+        private static void Validate(Models.Logiqx.RomCenter? rc)
+        {
+            Assert.NotNull(rc);
+            Assert.Equal("XXXXXX", rc.Plugin);
+            Assert.Equal("XXXXXX", rc.RomMode);
+            Assert.Equal("XXXXXX", rc.BiosMode);
+            Assert.Equal("XXXXXX", rc.SampleMode);
+            Assert.Equal("XXXXXX", rc.LockRomMode);
+            Assert.Equal("XXXXXX", rc.LockBiosMode);
+            Assert.Equal("XXXXXX", rc.LockSampleMode);
+        }
+
+        /// <summary>
+        /// Validate a GameBase
+        /// </summary>
+        private static void Validate(Models.Logiqx.GameBase? gb, bool nested)
+        {
+            Assert.NotNull(gb);
+            if (nested)
+                Assert.Equal("XXXXXX\\XXXXXX\\XXXXXX", gb.Name);
+            else
+                Assert.Equal("XXXXXX", gb.Name);
+            Assert.Equal("XXXXXX", gb.SourceFile);
+            Assert.Equal("XXXXXX", gb.IsBios);
+            Assert.Equal("XXXXXX", gb.IsDevice);
+            Assert.Equal("XXXXXX", gb.IsMechanical);
+            Assert.Equal("XXXXXX", gb.CloneOf);
+            Assert.Equal("XXXXXX", gb.RomOf);
+            Assert.Equal("XXXXXX", gb.SampleOf);
+            Assert.Equal("XXXXXX", gb.Board);
+            Assert.Equal("XXXXXX", gb.RebuildTo);
+            Assert.Equal("XXXXXX", gb.Id);
+            Assert.Equal("XXXXXX", gb.CloneOfId);
+            Assert.Equal("XXXXXX", gb.Runnable);
+
+            Assert.NotNull(gb.Comment);
+            string comment = Assert.Single(gb.Comment);
+            Assert.Equal("XXXXXX", comment);
+
+            Assert.Equal("XXXXXX", gb.Description);
+            Assert.Equal("XXXXXX", gb.Year);
+            Assert.Equal("XXXXXX", gb.Manufacturer);
+            Assert.Equal("XXXXXX", gb.Publisher);
+
+            Assert.NotNull(gb.Category);
+            string category = Assert.Single(gb.Category);
+            Assert.Equal("XXXXXX", category);
+
+            Validate(gb.Trurip);
+
+            Assert.NotNull(gb.Release);
+            var release = Assert.Single(gb.Release);
+            Validate(release);
+
+            Assert.NotNull(gb.BiosSet);
+            var biosset = Assert.Single(gb.BiosSet);
+            Validate(biosset);
+
+            Assert.NotNull(gb.Rom);
+            var rom = Assert.Single(gb.Rom);
+            Validate(rom);
+
+            Assert.NotNull(gb.Disk);
+            var disk = Assert.Single(gb.Disk);
+            Validate(disk);
+
+            Assert.NotNull(gb.Media);
+            var media = Assert.Single(gb.Media);
+            Validate(media);
+
+            Assert.NotNull(gb.DeviceRef);
+            var deviceref = Assert.Single(gb.DeviceRef);
+            Validate(deviceref);
+
+            Assert.NotNull(gb.Sample);
+            var sample = Assert.Single(gb.Sample);
+            Validate(sample);
+
+            Assert.NotNull(gb.Archive);
+            var archive = Assert.Single(gb.Archive);
+            Validate(archive);
+
+            Validate(gb.Driver);
+
+            Assert.NotNull(gb.SoftwareList);
+            var softwarelist = Assert.Single(gb.SoftwareList);
+            Validate(softwarelist);
+        }
+
+        /// <summary>
+        /// Validate a Trurip
+        /// </summary>
+        private static void Validate(Models.Logiqx.Trurip? trurip)
+        {
+            Assert.NotNull(trurip);
+            Assert.Equal("XXXXXX", trurip.TitleID);
+            Assert.Equal("XXXXXX", trurip.Publisher);
+            Assert.Equal("XXXXXX", trurip.Developer);
+            Assert.Equal("XXXXXX", trurip.Year);
+            Assert.Equal("XXXXXX", trurip.Genre);
+            Assert.Equal("XXXXXX", trurip.Subgenre);
+            Assert.Equal("XXXXXX", trurip.Ratings);
+            Assert.Equal("XXXXXX", trurip.Score);
+            Assert.Equal("XXXXXX", trurip.Players);
+            Assert.Equal("XXXXXX", trurip.Enabled);
+            Assert.Equal("XXXXXX", trurip.CRC);
+            Assert.Equal("XXXXXX", trurip.Source);
+            Assert.Equal("XXXXXX", trurip.CloneOf);
+            Assert.Equal("XXXXXX", trurip.RelatedTo);
+        }
+
+        /// <summary>
+        /// Validate a Release
+        /// </summary>
+        private static void Validate(Models.Logiqx.Release? release)
+        {
+            Assert.NotNull(release);
+            Assert.Equal("XXXXXX", release.Name);
+            Assert.Equal("XXXXXX", release.Region);
+            Assert.Equal("XXXXXX", release.Language);
+            Assert.Equal("XXXXXX", release.Date);
+            Assert.Equal("XXXXXX", release.Default);
+        }
+
+        /// <summary>
+        /// Validate a BiosSet
+        /// </summary>
+        private static void Validate(Models.Logiqx.BiosSet? biosset)
+        {
+            Assert.NotNull(biosset);
+            Assert.Equal("XXXXXX", biosset.Name);
+            Assert.Equal("XXXXXX", biosset.Description);
+            Assert.Equal("XXXXXX", biosset.Default);
+        }
+
+        /// <summary>
+        /// Validate a Rom
+        /// </summary>
+        private static void Validate(Models.Logiqx.Rom? rom)
+        {
+            Assert.NotNull(rom);
+            Assert.Equal("XXXXXX", rom.Name);
+            Assert.Equal("XXXXXX", rom.Size);
+            Assert.Equal("XXXXXX", rom.CRC);
+            Assert.Equal("XXXXXX", rom.MD5);
+            Assert.Equal("XXXXXX", rom.SHA1);
+            Assert.Equal("XXXXXX", rom.SHA256);
+            Assert.Equal("XXXXXX", rom.SHA384);
+            Assert.Equal("XXXXXX", rom.SHA512);
+            Assert.Equal("XXXXXX", rom.SpamSum);
+            Assert.Equal("XXXXXX", rom.xxHash364);
+            Assert.Equal("XXXXXX", rom.xxHash3128);
+            Assert.Equal("XXXXXX", rom.Merge);
+            Assert.Equal("XXXXXX", rom.Status);
+            Assert.Equal("XXXXXX", rom.Serial);
+            Assert.Equal("XXXXXX", rom.Header);
+            Assert.Equal("XXXXXX", rom.Date);
+            Assert.Equal("XXXXXX", rom.Inverted);
+            Assert.Equal("XXXXXX", rom.MIA);
+        }
+
+        /// <summary>
+        /// Validate a Disk
+        /// </summary>
+        private static void Validate(Models.Logiqx.Disk? disk)
+        {
+            Assert.NotNull(disk);
+            Assert.Equal("XXXXXX", disk.Name);
+            Assert.Equal("XXXXXX", disk.MD5);
+            Assert.Equal("XXXXXX", disk.SHA1);
+            Assert.Equal("XXXXXX", disk.Merge);
+            Assert.Equal("XXXXXX", disk.Status);
+            Assert.Equal("XXXXXX", disk.Region);
+        }
+
+        /// <summary>
+        /// Validate a Media
+        /// </summary>
+        private static void Validate(Models.Logiqx.Media? media)
+        {
+            Assert.NotNull(media);
+            Assert.Equal("XXXXXX", media.Name);
+            Assert.Equal("XXXXXX", media.MD5);
+            Assert.Equal("XXXXXX", media.SHA1);
+            Assert.Equal("XXXXXX", media.SHA256);
+            Assert.Equal("XXXXXX", media.SpamSum);
+        }
+
+        /// <summary>
+        /// Validate a DeviceRef
+        /// </summary>
+        private static void Validate(Models.Logiqx.DeviceRef? deviceref)
+        {
+            Assert.NotNull(deviceref);
+            Assert.Equal("XXXXXX", deviceref.Name);
+        }
+
+        /// <summary>
+        /// Validate a Sample
+        /// </summary>
+        private static void Validate(Models.Logiqx.Sample? sample)
+        {
+            Assert.NotNull(sample);
+            Assert.Equal("XXXXXX", sample.Name);
+        }
+
+        /// <summary>
+        /// Validate a Archive
+        /// </summary>
+        private static void Validate(Models.Logiqx.Archive? archive)
+        {
+            Assert.NotNull(archive);
+            Assert.Equal("XXXXXX", archive.Name);
+        }
+
+        /// <summary>
+        /// Validate a Driver
+        /// </summary>
+        private static void Validate(Models.Logiqx.Driver? driver)
+        {
+            Assert.NotNull(driver);
+            Assert.Equal("XXXXXX", driver.Status);
+            Assert.Equal("XXXXXX", driver.Emulation);
+            Assert.Equal("XXXXXX", driver.Cocktail);
+            Assert.Equal("XXXXXX", driver.SaveState);
+            Assert.Equal("XXXXXX", driver.RequiresArtwork);
+            Assert.Equal("XXXXXX", driver.Unofficial);
+            Assert.Equal("XXXXXX", driver.NoSoundHardware);
+            Assert.Equal("XXXXXX", driver.Incomplete);
+        }
+
+        /// <summary>
+        /// Validate a SoftwareList
+        /// </summary>
+        private static void Validate(Models.Logiqx.SoftwareList? softwarelist)
+        {
+            Assert.NotNull(softwarelist);
+            Assert.Equal("XXXXXX", softwarelist.Tag);
+            Assert.Equal("XXXXXX", softwarelist.Name);
+            Assert.Equal("XXXXXX", softwarelist.Status);
+            Assert.Equal("XXXXXX", softwarelist.Filter);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/M1Tests.cs

@@ -0,0 +1,872 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class M1Tests
+    {
+        [Fact]
+        public void RoundTripGameTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.M1();
+
+            // Build the data
+            Models.Listxml.M1 m1 = Build(game: true);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(m1);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Listxml.M1? newM1 = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newM1);
+            Assert.Equal("XXXXXX", newM1.Version);
+
+            Assert.NotNull(newM1.Game);
+            var newGame = Assert.Single(newM1.Game);
+            Validate(newGame);
+        }
+
+        [Fact]
+        public void RoundTripMachineTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.M1();
+
+            // Build the data
+            Models.Listxml.M1 m1 = Build(game: false);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(m1);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Listxml.M1? newM1 = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newM1);
+            Assert.Equal("XXXXXX", newM1.Version);
+
+            Assert.NotNull(newM1.Game);
+            var newGame = Assert.Single(newM1.Game);
+            Validate(newGame);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.Listxml.M1 Build(bool game)
+        {
+            var biosset = new Models.Listxml.BiosSet
+            {
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var rom = new Models.Listxml.Rom
+            {
+                Name = "XXXXXX",
+                Bios = "XXXXXX",
+                Size = "XXXXXX",
+                CRC = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Merge = "XXXXXX",
+                Region = "XXXXXX",
+                Offset = "XXXXXX",
+                Status = "XXXXXX",
+                Optional = "XXXXXX",
+                Dispose = "XXXXXX",
+                SoundOnly = "XXXXXX",
+            };
+
+            var disk = new Models.Listxml.Disk
+            {
+                Name = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Merge = "XXXXXX",
+                Region = "XXXXXX",
+                Index = "XXXXXX",
+                Writable = "XXXXXX",
+                Status = "XXXXXX",
+                Optional = "XXXXXX",
+            };
+
+            var deviceref = new Models.Listxml.DeviceRef
+            {
+                Name = "XXXXXX",
+            };
+
+            var sample = new Models.Listxml.Sample
+            {
+                Name = "XXXXXX",
+            };
+
+            var chip = new Models.Listxml.Chip
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Type = "XXXXXX",
+                SoundOnly = "XXXXXX",
+                Clock = "XXXXXX",
+            };
+
+            var display = new Models.Listxml.Display
+            {
+                Tag = "XXXXXX",
+                Type = "XXXXXX",
+                Rotate = "XXXXXX",
+                FlipX = "XXXXXX",
+                Width = "XXXXXX",
+                Height = "XXXXXX",
+                Refresh = "XXXXXX",
+                PixClock = "XXXXXX",
+                HTotal = "XXXXXX",
+                HBEnd = "XXXXXX",
+                HBStart = "XXXXXX",
+                VTotal = "XXXXXX",
+                VBEnd = "XXXXXX",
+                VBStart = "XXXXXX",
+            };
+
+            var video = new Models.Listxml.Video
+            {
+                Screen = "XXXXXX",
+                Orientation = "XXXXXX",
+                Width = "XXXXXX",
+                Height = "XXXXXX",
+                AspectX = "XXXXXX",
+                AspectY = "XXXXXX",
+                Refresh = "XXXXXX",
+            };
+
+            var sound = new Models.Listxml.Sound
+            {
+                Channels = "XXXXXX",
+            };
+
+            var control = new Models.Listxml.Control
+            {
+                Type = "XXXXXX",
+                Player = "XXXXXX",
+                Buttons = "XXXXXX",
+                ReqButtons = "XXXXXX",
+                Minimum = "XXXXXX",
+                Maximum = "XXXXXX",
+                Sensitivity = "XXXXXX",
+                KeyDelta = "XXXXXX",
+                Reverse = "XXXXXX",
+                Ways = "XXXXXX",
+                Ways2 = "XXXXXX",
+                Ways3 = "XXXXXX",
+            };
+
+            var input = new Models.Listxml.Input
+            {
+                Service = "XXXXXX",
+                Tilt = "XXXXXX",
+                Players = "XXXXXX",
+                //ControlAttr = "XXXXXX", // Mututally exclusive with input.Control
+                Buttons = "XXXXXX",
+                Coins = "XXXXXX",
+                Control = [control],
+            };
+
+            var condition = new Models.Listxml.Condition
+            {
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                Relation = "XXXXXX",
+                Value = "XXXXXX",
+            };
+
+            var diplocation = new Models.Listxml.DipLocation
+            {
+                Name = "XXXXXX",
+                Number = "XXXXXX",
+                Inverted = "XXXXXX",
+            };
+
+            var dipvalue = new Models.Listxml.DipValue
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+                Default = "XXXXXX",
+                Condition = condition,
+            };
+
+            var dipswitch = new Models.Listxml.DipSwitch
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                Condition = condition,
+                DipLocation = [diplocation],
+                DipValue = [dipvalue],
+            };
+
+            var conflocation = new Models.Listxml.ConfLocation
+            {
+                Name = "XXXXXX",
+                Number = "XXXXXX",
+                Inverted = "XXXXXX",
+            };
+
+            var confsetting = new Models.Listxml.ConfSetting
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+                Default = "XXXXXX",
+                Condition = condition,
+            };
+
+            var configuration = new Models.Listxml.Configuration
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                Condition = condition,
+                ConfLocation = [conflocation],
+                ConfSetting = [confsetting],
+            };
+
+            var analog = new Models.Listxml.Analog
+            {
+                Mask = "XXXXXX",
+            };
+
+            var port = new Models.Listxml.Port
+            {
+                Tag = "XXXXXX",
+                Analog = [analog],
+            };
+
+            var adjuster = new Models.Listxml.Adjuster
+            {
+                Name = "XXXXXX",
+                Default = "XXXXXX",
+                Condition = condition,
+            };
+
+            var driver = new Models.Listxml.Driver
+            {
+                Status = "XXXXXX",
+                Color = "XXXXXX",
+                Sound = "XXXXXX",
+                PaletteSize = "XXXXXX",
+                Emulation = "XXXXXX",
+                Cocktail = "XXXXXX",
+                SaveState = "XXXXXX",
+                RequiresArtwork = "XXXXXX",
+                Unofficial = "XXXXXX",
+                NoSoundHardware = "XXXXXX",
+                Incomplete = "XXXXXX",
+            };
+
+            var feature = new Models.Listxml.Feature
+            {
+                Type = "XXXXXX",
+                Status = "XXXXXX",
+                Overall = "XXXXXX",
+            };
+
+            var instance = new Models.Listxml.Instance
+            {
+                Name = "XXXXXX",
+                BriefName = "XXXXXX",
+            };
+
+            var extension = new Models.Listxml.Extension
+            {
+                Name = "XXXXXX",
+            };
+
+            var device = new Models.Listxml.Device
+            {
+                Type = "XXXXXX",
+                Tag = "XXXXXX",
+                FixedImage = "XXXXXX",
+                Mandatory = "XXXXXX",
+                Interface = "XXXXXX",
+                Instance = instance,
+                Extension = [extension],
+            };
+
+            var slotOption = new Models.Listxml.SlotOption
+            {
+                Name = "XXXXXX",
+                DevName = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var slot = new Models.Listxml.Slot
+            {
+                Name = "XXXXXX",
+                SlotOption = [slotOption],
+            };
+
+            var softwarelist = new Models.Listxml.SoftwareList
+            {
+                Tag = "XXXXXX",
+                Name = "XXXXXX",
+                Status = "XXXXXX",
+                Filter = "XXXXXX",
+            };
+
+            var ramoption = new Models.Listxml.RamOption
+            {
+                Name = "XXXXXX",
+                Default = "XXXXXX",
+                Content = "XXXXXX",
+            };
+
+            Models.Listxml.GameBase gameBase = game
+                ? new Models.Listxml.Game()
+                : new Models.Listxml.Machine();
+            gameBase.Name = "XXXXXX";
+            gameBase.SourceFile = "XXXXXX";
+            gameBase.IsBios = "XXXXXX";
+            gameBase.IsDevice = "XXXXXX";
+            gameBase.IsMechanical = "XXXXXX";
+            gameBase.Runnable = "XXXXXX";
+            gameBase.CloneOf = "XXXXXX";
+            gameBase.RomOf = "XXXXXX";
+            gameBase.SampleOf = "XXXXXX";
+            gameBase.Description = "XXXXXX";
+            gameBase.Year = "XXXXXX";
+            gameBase.Manufacturer = "XXXXXX";
+            gameBase.History = "XXXXXX";
+            gameBase.BiosSet = [biosset];
+            gameBase.Rom = [rom];
+            gameBase.Disk = [disk];
+            gameBase.DeviceRef = [deviceref];
+            gameBase.Sample = [sample];
+            gameBase.Chip = [chip];
+            gameBase.Display = [display];
+            gameBase.Video = [video];
+            gameBase.Sound = sound;
+            gameBase.Input = input;
+            gameBase.DipSwitch = [dipswitch];
+            gameBase.Configuration = [configuration];
+            gameBase.Port = [port];
+            gameBase.Adjuster = [adjuster];
+            gameBase.Driver = driver;
+            gameBase.Feature = [feature];
+            gameBase.Device = [device];
+            gameBase.Slot = [slot];
+            gameBase.SoftwareList = [softwarelist];
+            gameBase.RamOption = [ramoption];
+
+            return new Models.Listxml.M1
+            {
+                Version = "XXXXXX",
+                Game = [gameBase],
+            };
+        }
+
+        /// <summary>
+        /// Validate a GameBase
+        /// </summary>
+        private static void Validate(Models.Listxml.GameBase? gb)
+        {
+            Assert.NotNull(gb);
+            Assert.Equal("XXXXXX", gb.Name);
+            Assert.Equal("XXXXXX", gb.SourceFile);
+            Assert.Equal("XXXXXX", gb.IsBios);
+            Assert.Equal("XXXXXX", gb.IsDevice);
+            Assert.Equal("XXXXXX", gb.IsMechanical);
+            Assert.Equal("XXXXXX", gb.Runnable);
+            Assert.Equal("XXXXXX", gb.CloneOf);
+            Assert.Equal("XXXXXX", gb.RomOf);
+            Assert.Equal("XXXXXX", gb.SampleOf);
+            Assert.Equal("XXXXXX", gb.Description);
+            Assert.Equal("XXXXXX", gb.Year);
+            Assert.Equal("XXXXXX", gb.Manufacturer);
+            Assert.Equal("XXXXXX", gb.History);
+
+            Assert.NotNull(gb.BiosSet);
+            var biosset = Assert.Single(gb.BiosSet);
+            Validate(biosset);
+
+            Assert.NotNull(gb.Rom);
+            var rom = Assert.Single(gb.Rom);
+            Validate(rom);
+
+            Assert.NotNull(gb.Disk);
+            var disk = Assert.Single(gb.Disk);
+            Validate(disk);
+
+            Assert.NotNull(gb.DeviceRef);
+            var deviceref = Assert.Single(gb.DeviceRef);
+            Validate(deviceref);
+
+            Assert.NotNull(gb.Sample);
+            var sample = Assert.Single(gb.Sample);
+            Validate(sample);
+
+            Assert.NotNull(gb.Chip);
+            var chip = Assert.Single(gb.Chip);
+            Validate(chip);
+
+            Assert.NotNull(gb.Display);
+            var display = Assert.Single(gb.Display);
+            Validate(display);
+
+            Assert.NotNull(gb.Video);
+            var video = Assert.Single(gb.Video);
+            Validate(video);
+
+            Validate(gb.Sound);
+            Validate(gb.Input);
+
+            Assert.NotNull(gb.DipSwitch);
+            var dipswitch = Assert.Single(gb.DipSwitch);
+            Validate(dipswitch);
+
+            Assert.NotNull(gb.Configuration);
+            var configuration = Assert.Single(gb.Configuration);
+            Validate(configuration);
+
+            Assert.NotNull(gb.Port);
+            var port = Assert.Single(gb.Port);
+            Validate(port);
+
+            Assert.NotNull(gb.Adjuster);
+            var adjuster = Assert.Single(gb.Adjuster);
+            Validate(adjuster);
+
+            Validate(gb.Driver);
+
+            Assert.NotNull(gb.Feature);
+            var feature = Assert.Single(gb.Feature);
+            Validate(feature);
+
+            Assert.NotNull(gb.Device);
+            var device = Assert.Single(gb.Device);
+            Validate(device);
+
+            Assert.NotNull(gb.Slot);
+            var slot = Assert.Single(gb.Slot);
+            Validate(slot);
+
+            Assert.NotNull(gb.SoftwareList);
+            var softwarelist = Assert.Single(gb.SoftwareList);
+            Validate(softwarelist);
+
+            Assert.NotNull(gb.RamOption);
+            var ramoption = Assert.Single(gb.RamOption);
+            Validate(ramoption);
+        }
+
+        /// <summary>
+        /// Validate a BiosSet
+        /// </summary>
+        private static void Validate(Models.Listxml.BiosSet? biosset)
+        {
+            Assert.NotNull(biosset);
+            Assert.Equal("XXXXXX", biosset.Name);
+            Assert.Equal("XXXXXX", biosset.Description);
+            Assert.Equal("XXXXXX", biosset.Default);
+        }
+
+        /// <summary>
+        /// Validate a Rom
+        /// </summary>
+        private static void Validate(Models.Listxml.Rom? rom)
+        {
+            Assert.NotNull(rom);
+            Assert.Equal("XXXXXX", rom.Name);
+            Assert.Equal("XXXXXX", rom.Bios);
+            Assert.Equal("XXXXXX", rom.Size);
+            Assert.Equal("XXXXXX", rom.CRC);
+            Assert.Equal("XXXXXX", rom.SHA1);
+            Assert.Equal("XXXXXX", rom.Merge);
+            Assert.Equal("XXXXXX", rom.Region);
+            Assert.Equal("XXXXXX", rom.Offset);
+            Assert.Equal("XXXXXX", rom.Status);
+            Assert.Equal("XXXXXX", rom.Optional);
+            Assert.Equal("XXXXXX", rom.Dispose);
+            Assert.Equal("XXXXXX", rom.SoundOnly);
+        }
+
+        /// <summary>
+        /// Validate a Disk
+        /// </summary>
+        private static void Validate(Models.Listxml.Disk? disk)
+        {
+            Assert.NotNull(disk);
+            Assert.Equal("XXXXXX", disk.Name);
+            Assert.Equal("XXXXXX", disk.MD5);
+            Assert.Equal("XXXXXX", disk.SHA1);
+            Assert.Equal("XXXXXX", disk.Merge);
+            Assert.Equal("XXXXXX", disk.Region);
+            Assert.Equal("XXXXXX", disk.Index);
+            Assert.Equal("XXXXXX", disk.Writable);
+            Assert.Equal("XXXXXX", disk.Status);
+            Assert.Equal("XXXXXX", disk.Optional);
+        }
+
+        /// <summary>
+        /// Validate a DeviceRef
+        /// </summary>
+        private static void Validate(Models.Listxml.DeviceRef? deviceref)
+        {
+            Assert.NotNull(deviceref);
+            Assert.Equal("XXXXXX", deviceref.Name);
+        }
+
+        /// <summary>
+        /// Validate a Sample
+        /// </summary>
+        private static void Validate(Models.Listxml.Sample? sample)
+        {
+            Assert.NotNull(sample);
+            Assert.Equal("XXXXXX", sample.Name);
+        }
+
+        /// <summary>
+        /// Validate a Chip
+        /// </summary>
+        private static void Validate(Models.Listxml.Chip? chip)
+        {
+            Assert.NotNull(chip);
+            Assert.Equal("XXXXXX", chip.Name);
+            Assert.Equal("XXXXXX", chip.Tag);
+            Assert.Equal("XXXXXX", chip.Type);
+            Assert.Equal("XXXXXX", chip.SoundOnly);
+            Assert.Equal("XXXXXX", chip.Clock);
+        }
+
+        /// <summary>
+        /// Validate a Display
+        /// </summary>
+        private static void Validate(Models.Listxml.Display? display)
+        {
+            Assert.NotNull(display);
+            Assert.Equal("XXXXXX", display.Tag);
+            Assert.Equal("XXXXXX", display.Type);
+            Assert.Equal("XXXXXX", display.Rotate);
+            Assert.Equal("XXXXXX", display.FlipX);
+            Assert.Equal("XXXXXX", display.Width);
+            Assert.Equal("XXXXXX", display.Height);
+            Assert.Equal("XXXXXX", display.Refresh);
+            Assert.Equal("XXXXXX", display.PixClock);
+            Assert.Equal("XXXXXX", display.HTotal);
+            Assert.Equal("XXXXXX", display.HBEnd);
+            Assert.Equal("XXXXXX", display.HBStart);
+            Assert.Equal("XXXXXX", display.VTotal);
+            Assert.Equal("XXXXXX", display.VBEnd);
+            Assert.Equal("XXXXXX", display.VBStart);
+        }
+
+        /// <summary>
+        /// Validate a Video
+        /// </summary>
+        private static void Validate(Models.Listxml.Video? video)
+        {
+            Assert.NotNull(video);
+            Assert.Equal("XXXXXX", video.Screen);
+            Assert.Equal("XXXXXX", video.Orientation);
+            Assert.Equal("XXXXXX", video.Width);
+            Assert.Equal("XXXXXX", video.Height);
+            Assert.Equal("XXXXXX", video.AspectX);
+            Assert.Equal("XXXXXX", video.AspectY);
+            Assert.Equal("XXXXXX", video.Refresh);
+        }
+
+        /// <summary>
+        /// Validate a Sound
+        /// </summary>
+        private static void Validate(Models.Listxml.Sound? sound)
+        {
+            Assert.NotNull(sound);
+            Assert.Equal("XXXXXX", sound.Channels);
+        }
+
+        /// <summary>
+        /// Validate a Input
+        /// </summary>
+        private static void Validate(Models.Listxml.Input? input)
+        {
+            Assert.NotNull(input);
+            Assert.Equal("XXXXXX", input.Service);
+            Assert.Equal("XXXXXX", input.Tilt);
+            Assert.Equal("XXXXXX", input.Players);
+            //Assert.Equal("XXXXXX", input.ControlAttr); // Mututally exclusive with input.Control
+            Assert.Equal("XXXXXX", input.Buttons);
+            Assert.Equal("XXXXXX", input.Coins);
+
+            Assert.NotNull(input.Control);
+            var control = Assert.Single(input.Control);
+            Validate(control);
+        }
+
+        /// <summary>
+        /// Validate a Control
+        /// </summary>
+        private static void Validate(Models.Listxml.Control? control)
+        {
+            Assert.NotNull(control);
+            Assert.Equal("XXXXXX", control.Type);
+            Assert.Equal("XXXXXX", control.Player);
+            Assert.Equal("XXXXXX", control.Buttons);
+            Assert.Equal("XXXXXX", control.ReqButtons);
+            Assert.Equal("XXXXXX", control.Minimum);
+            Assert.Equal("XXXXXX", control.Maximum);
+            Assert.Equal("XXXXXX", control.Sensitivity);
+            Assert.Equal("XXXXXX", control.KeyDelta);
+            Assert.Equal("XXXXXX", control.Reverse);
+            Assert.Equal("XXXXXX", control.Ways);
+            Assert.Equal("XXXXXX", control.Ways2);
+            Assert.Equal("XXXXXX", control.Ways3);
+        }
+
+        /// <summary>
+        /// Validate a DipSwitch
+        /// </summary>
+        private static void Validate(Models.Listxml.DipSwitch? dipswitch)
+        {
+            Assert.NotNull(dipswitch);
+            Assert.Equal("XXXXXX", dipswitch.Name);
+            Assert.Equal("XXXXXX", dipswitch.Tag);
+            Assert.Equal("XXXXXX", dipswitch.Mask);
+            Validate(dipswitch.Condition);
+
+            Assert.NotNull(dipswitch.DipLocation);
+            var diplocation = Assert.Single(dipswitch.DipLocation);
+            Validate(diplocation);
+
+            Assert.NotNull(dipswitch.DipValue);
+            var dipvalue = Assert.Single(dipswitch.DipValue);
+            Validate(dipvalue);
+        }
+
+        /// <summary>
+        /// Validate a Condition
+        /// </summary>
+        private static void Validate(Models.Listxml.Condition? condition)
+        {
+            Assert.NotNull(condition);
+            Assert.Equal("XXXXXX", condition.Tag);
+            Assert.Equal("XXXXXX", condition.Mask);
+            Assert.Equal("XXXXXX", condition.Relation);
+            Assert.Equal("XXXXXX", condition.Value);
+        }
+
+        /// <summary>
+        /// Validate a DipLocation
+        /// </summary>
+        private static void Validate(Models.Listxml.DipLocation? diplocation)
+        {
+            Assert.NotNull(diplocation);
+            Assert.Equal("XXXXXX", diplocation.Name);
+            Assert.Equal("XXXXXX", diplocation.Number);
+            Assert.Equal("XXXXXX", diplocation.Inverted);
+        }
+
+        /// <summary>
+        /// Validate a DipValue
+        /// </summary>
+        private static void Validate(Models.Listxml.DipValue? dipvalue)
+        {
+            Assert.NotNull(dipvalue);
+            Assert.Equal("XXXXXX", dipvalue.Name);
+            Assert.Equal("XXXXXX", dipvalue.Value);
+            Assert.Equal("XXXXXX", dipvalue.Default);
+            Validate(dipvalue.Condition);
+        }
+
+        /// <summary>
+        /// Validate a Configuration
+        /// </summary>
+        private static void Validate(Models.Listxml.Configuration? configuration)
+        {
+            Assert.NotNull(configuration);
+            Assert.Equal("XXXXXX", configuration.Name);
+            Assert.Equal("XXXXXX", configuration.Tag);
+            Assert.Equal("XXXXXX", configuration.Mask);
+            Validate(configuration.Condition);
+
+            Assert.NotNull(configuration.ConfLocation);
+            var conflocation = Assert.Single(configuration.ConfLocation);
+            Validate(conflocation);
+
+            Assert.NotNull(configuration.ConfSetting);
+            var confsetting = Assert.Single(configuration.ConfSetting);
+            Validate(confsetting);
+        }
+
+        /// <summary>
+        /// Validate a ConfLocation
+        /// </summary>
+        private static void Validate(Models.Listxml.ConfLocation? conflocation)
+        {
+            Assert.NotNull(conflocation);
+            Assert.Equal("XXXXXX", conflocation.Name);
+            Assert.Equal("XXXXXX", conflocation.Number);
+            Assert.Equal("XXXXXX", conflocation.Inverted);
+        }
+
+        /// <summary>
+        /// Validate a ConfSetting
+        /// </summary>
+        private static void Validate(Models.Listxml.ConfSetting? confsetting)
+        {
+            Assert.NotNull(confsetting);
+            Assert.Equal("XXXXXX", confsetting.Name);
+            Assert.Equal("XXXXXX", confsetting.Value);
+            Assert.Equal("XXXXXX", confsetting.Default);
+            Validate(confsetting.Condition);
+        }
+
+        /// <summary>
+        /// Validate a Port
+        /// </summary>
+        private static void Validate(Models.Listxml.Port? port)
+        {
+            Assert.NotNull(port);
+            Assert.Equal("XXXXXX", port.Tag);
+
+            Assert.NotNull(port.Analog);
+            var analog = Assert.Single(port.Analog);
+            Validate(analog);
+        }
+
+        /// <summary>
+        /// Validate a Analog
+        /// </summary>
+        private static void Validate(Models.Listxml.Analog? analog)
+        {
+            Assert.NotNull(analog);
+            Assert.Equal("XXXXXX", analog.Mask);
+        }
+
+        /// <summary>
+        /// Validate a Adjuster
+        /// </summary>
+        private static void Validate(Models.Listxml.Adjuster? adjuster)
+        {
+            Assert.NotNull(adjuster);
+            Assert.Equal("XXXXXX", adjuster.Name);
+            Assert.Equal("XXXXXX", adjuster.Default);
+            Validate(adjuster.Condition);
+        }
+
+        /// <summary>
+        /// Validate a Driver
+        /// </summary>
+        private static void Validate(Models.Listxml.Driver? driver)
+        {
+            Assert.NotNull(driver);
+            Assert.Equal("XXXXXX", driver.Status);
+            Assert.Equal("XXXXXX", driver.Color);
+            Assert.Equal("XXXXXX", driver.Sound);
+            Assert.Equal("XXXXXX", driver.PaletteSize);
+            Assert.Equal("XXXXXX", driver.Emulation);
+            Assert.Equal("XXXXXX", driver.Cocktail);
+            Assert.Equal("XXXXXX", driver.SaveState);
+            Assert.Equal("XXXXXX", driver.RequiresArtwork);
+            Assert.Equal("XXXXXX", driver.Unofficial);
+            Assert.Equal("XXXXXX", driver.NoSoundHardware);
+            Assert.Equal("XXXXXX", driver.Incomplete);
+        }
+
+        /// <summary>
+        /// Validate a Feature
+        /// </summary>
+        private static void Validate(Models.Listxml.Feature? feature)
+        {
+            Assert.NotNull(feature);
+            Assert.Equal("XXXXXX", feature.Type);
+            Assert.Equal("XXXXXX", feature.Status);
+            Assert.Equal("XXXXXX", feature.Overall);
+        }
+
+        /// <summary>
+        /// Validate a Device
+        /// </summary>
+        private static void Validate(Models.Listxml.Device? device)
+        {
+            Assert.NotNull(device);
+            Assert.Equal("XXXXXX", device.Type);
+            Assert.Equal("XXXXXX", device.Tag);
+            Assert.Equal("XXXXXX", device.FixedImage);
+            Assert.Equal("XXXXXX", device.Mandatory);
+            Assert.Equal("XXXXXX", device.Interface);
+            Validate(device.Instance);
+
+            Assert.NotNull(device.Extension);
+            var extension = Assert.Single(device.Extension);
+            Validate(extension);
+        }
+
+        /// <summary>
+        /// Validate a Instance
+        /// </summary>
+        private static void Validate(Models.Listxml.Instance? instance)
+        {
+            Assert.NotNull(instance);
+            Assert.Equal("XXXXXX", instance.Name);
+            Assert.Equal("XXXXXX", instance.BriefName);
+        }
+
+        /// <summary>
+        /// Validate a Extension
+        /// </summary>
+        private static void Validate(Models.Listxml.Extension? extension)
+        {
+            Assert.NotNull(extension);
+            Assert.Equal("XXXXXX", extension.Name);
+        }
+
+        /// <summary>
+        /// Validate a Slot
+        /// </summary>
+        private static void Validate(Models.Listxml.Slot? slot)
+        {
+            Assert.NotNull(slot);
+            Assert.Equal("XXXXXX", slot.Name);
+
+            Assert.NotNull(slot.SlotOption);
+            var slotoption = Assert.Single(slot.SlotOption);
+            Validate(slotoption);
+        }
+
+        /// <summary>
+        /// Validate a SlotOption
+        /// </summary>
+        private static void Validate(Models.Listxml.SlotOption? slotoption)
+        {
+            Assert.NotNull(slotoption);
+            Assert.Equal("XXXXXX", slotoption.Name);
+            Assert.Equal("XXXXXX", slotoption.DevName);
+            Assert.Equal("XXXXXX", slotoption.Default);
+        }
+
+        /// <summary>
+        /// Validate a SoftwareList
+        /// </summary>
+        private static void Validate(Models.Listxml.SoftwareList? softwarelist)
+        {
+            Assert.NotNull(softwarelist);
+            Assert.Equal("XXXXXX", softwarelist.Tag);
+            Assert.Equal("XXXXXX", softwarelist.Name);
+            Assert.Equal("XXXXXX", softwarelist.Status);
+            Assert.Equal("XXXXXX", softwarelist.Filter);
+        }
+
+        /// <summary>
+        /// Validate a RamOption
+        /// </summary>
+        private static void Validate(Models.Listxml.RamOption? ramoption)
+        {
+            Assert.NotNull(ramoption);
+            Assert.Equal("XXXXXX", ramoption.Name);
+            Assert.Equal("XXXXXX", ramoption.Default);
+            Assert.Equal("XXXXXX", ramoption.Content);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/MessTests.cs

@@ -0,0 +1,872 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class MessTests
+    {
+        [Fact]
+        public void RoundTripGameTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Mess();
+
+            // Build the data
+            Models.Listxml.Mess m1 = Build(game: true);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(m1);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Listxml.Mess? newMess = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newMess);
+            Assert.Equal("XXXXXX", newMess.Version);
+
+            Assert.NotNull(newMess.Game);
+            var newGame = Assert.Single(newMess.Game);
+            Validate(newGame);
+        }
+
+        [Fact]
+        public void RoundTripMachineTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Mess();
+
+            // Build the data
+            Models.Listxml.Mess m1 = Build(game: false);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(m1);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Listxml.Mess? newMess = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newMess);
+            Assert.Equal("XXXXXX", newMess.Version);
+
+            Assert.NotNull(newMess.Game);
+            var newGame = Assert.Single(newMess.Game);
+            Validate(newGame);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.Listxml.Mess Build(bool game)
+        {
+            var biosset = new Models.Listxml.BiosSet
+            {
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var rom = new Models.Listxml.Rom
+            {
+                Name = "XXXXXX",
+                Bios = "XXXXXX",
+                Size = "XXXXXX",
+                CRC = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Merge = "XXXXXX",
+                Region = "XXXXXX",
+                Offset = "XXXXXX",
+                Status = "XXXXXX",
+                Optional = "XXXXXX",
+                Dispose = "XXXXXX",
+                SoundOnly = "XXXXXX",
+            };
+
+            var disk = new Models.Listxml.Disk
+            {
+                Name = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Merge = "XXXXXX",
+                Region = "XXXXXX",
+                Index = "XXXXXX",
+                Writable = "XXXXXX",
+                Status = "XXXXXX",
+                Optional = "XXXXXX",
+            };
+
+            var deviceref = new Models.Listxml.DeviceRef
+            {
+                Name = "XXXXXX",
+            };
+
+            var sample = new Models.Listxml.Sample
+            {
+                Name = "XXXXXX",
+            };
+
+            var chip = new Models.Listxml.Chip
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Type = "XXXXXX",
+                SoundOnly = "XXXXXX",
+                Clock = "XXXXXX",
+            };
+
+            var display = new Models.Listxml.Display
+            {
+                Tag = "XXXXXX",
+                Type = "XXXXXX",
+                Rotate = "XXXXXX",
+                FlipX = "XXXXXX",
+                Width = "XXXXXX",
+                Height = "XXXXXX",
+                Refresh = "XXXXXX",
+                PixClock = "XXXXXX",
+                HTotal = "XXXXXX",
+                HBEnd = "XXXXXX",
+                HBStart = "XXXXXX",
+                VTotal = "XXXXXX",
+                VBEnd = "XXXXXX",
+                VBStart = "XXXXXX",
+            };
+
+            var video = new Models.Listxml.Video
+            {
+                Screen = "XXXXXX",
+                Orientation = "XXXXXX",
+                Width = "XXXXXX",
+                Height = "XXXXXX",
+                AspectX = "XXXXXX",
+                AspectY = "XXXXXX",
+                Refresh = "XXXXXX",
+            };
+
+            var sound = new Models.Listxml.Sound
+            {
+                Channels = "XXXXXX",
+            };
+
+            var control = new Models.Listxml.Control
+            {
+                Type = "XXXXXX",
+                Player = "XXXXXX",
+                Buttons = "XXXXXX",
+                ReqButtons = "XXXXXX",
+                Minimum = "XXXXXX",
+                Maximum = "XXXXXX",
+                Sensitivity = "XXXXXX",
+                KeyDelta = "XXXXXX",
+                Reverse = "XXXXXX",
+                Ways = "XXXXXX",
+                Ways2 = "XXXXXX",
+                Ways3 = "XXXXXX",
+            };
+
+            var input = new Models.Listxml.Input
+            {
+                Service = "XXXXXX",
+                Tilt = "XXXXXX",
+                Players = "XXXXXX",
+                //ControlAttr = "XXXXXX", // Mututally exclusive with input.Control
+                Buttons = "XXXXXX",
+                Coins = "XXXXXX",
+                Control = [control],
+            };
+
+            var condition = new Models.Listxml.Condition
+            {
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                Relation = "XXXXXX",
+                Value = "XXXXXX",
+            };
+
+            var diplocation = new Models.Listxml.DipLocation
+            {
+                Name = "XXXXXX",
+                Number = "XXXXXX",
+                Inverted = "XXXXXX",
+            };
+
+            var dipvalue = new Models.Listxml.DipValue
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+                Default = "XXXXXX",
+                Condition = condition,
+            };
+
+            var dipswitch = new Models.Listxml.DipSwitch
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                Condition = condition,
+                DipLocation = [diplocation],
+                DipValue = [dipvalue],
+            };
+
+            var conflocation = new Models.Listxml.ConfLocation
+            {
+                Name = "XXXXXX",
+                Number = "XXXXXX",
+                Inverted = "XXXXXX",
+            };
+
+            var confsetting = new Models.Listxml.ConfSetting
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+                Default = "XXXXXX",
+                Condition = condition,
+            };
+
+            var configuration = new Models.Listxml.Configuration
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                Condition = condition,
+                ConfLocation = [conflocation],
+                ConfSetting = [confsetting],
+            };
+
+            var analog = new Models.Listxml.Analog
+            {
+                Mask = "XXXXXX",
+            };
+
+            var port = new Models.Listxml.Port
+            {
+                Tag = "XXXXXX",
+                Analog = [analog],
+            };
+
+            var adjuster = new Models.Listxml.Adjuster
+            {
+                Name = "XXXXXX",
+                Default = "XXXXXX",
+                Condition = condition,
+            };
+
+            var driver = new Models.Listxml.Driver
+            {
+                Status = "XXXXXX",
+                Color = "XXXXXX",
+                Sound = "XXXXXX",
+                PaletteSize = "XXXXXX",
+                Emulation = "XXXXXX",
+                Cocktail = "XXXXXX",
+                SaveState = "XXXXXX",
+                RequiresArtwork = "XXXXXX",
+                Unofficial = "XXXXXX",
+                NoSoundHardware = "XXXXXX",
+                Incomplete = "XXXXXX",
+            };
+
+            var feature = new Models.Listxml.Feature
+            {
+                Type = "XXXXXX",
+                Status = "XXXXXX",
+                Overall = "XXXXXX",
+            };
+
+            var instance = new Models.Listxml.Instance
+            {
+                Name = "XXXXXX",
+                BriefName = "XXXXXX",
+            };
+
+            var extension = new Models.Listxml.Extension
+            {
+                Name = "XXXXXX",
+            };
+
+            var device = new Models.Listxml.Device
+            {
+                Type = "XXXXXX",
+                Tag = "XXXXXX",
+                FixedImage = "XXXXXX",
+                Mandatory = "XXXXXX",
+                Interface = "XXXXXX",
+                Instance = instance,
+                Extension = [extension],
+            };
+
+            var slotOption = new Models.Listxml.SlotOption
+            {
+                Name = "XXXXXX",
+                DevName = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var slot = new Models.Listxml.Slot
+            {
+                Name = "XXXXXX",
+                SlotOption = [slotOption],
+            };
+
+            var softwarelist = new Models.Listxml.SoftwareList
+            {
+                Tag = "XXXXXX",
+                Name = "XXXXXX",
+                Status = "XXXXXX",
+                Filter = "XXXXXX",
+            };
+
+            var ramoption = new Models.Listxml.RamOption
+            {
+                Name = "XXXXXX",
+                Default = "XXXXXX",
+                Content = "XXXXXX",
+            };
+
+            Models.Listxml.GameBase gameBase = game
+                ? new Models.Listxml.Game()
+                : new Models.Listxml.Machine();
+            gameBase.Name = "XXXXXX";
+            gameBase.SourceFile = "XXXXXX";
+            gameBase.IsBios = "XXXXXX";
+            gameBase.IsDevice = "XXXXXX";
+            gameBase.IsMechanical = "XXXXXX";
+            gameBase.Runnable = "XXXXXX";
+            gameBase.CloneOf = "XXXXXX";
+            gameBase.RomOf = "XXXXXX";
+            gameBase.SampleOf = "XXXXXX";
+            gameBase.Description = "XXXXXX";
+            gameBase.Year = "XXXXXX";
+            gameBase.Manufacturer = "XXXXXX";
+            gameBase.History = "XXXXXX";
+            gameBase.BiosSet = [biosset];
+            gameBase.Rom = [rom];
+            gameBase.Disk = [disk];
+            gameBase.DeviceRef = [deviceref];
+            gameBase.Sample = [sample];
+            gameBase.Chip = [chip];
+            gameBase.Display = [display];
+            gameBase.Video = [video];
+            gameBase.Sound = sound;
+            gameBase.Input = input;
+            gameBase.DipSwitch = [dipswitch];
+            gameBase.Configuration = [configuration];
+            gameBase.Port = [port];
+            gameBase.Adjuster = [adjuster];
+            gameBase.Driver = driver;
+            gameBase.Feature = [feature];
+            gameBase.Device = [device];
+            gameBase.Slot = [slot];
+            gameBase.SoftwareList = [softwarelist];
+            gameBase.RamOption = [ramoption];
+
+            return new Models.Listxml.Mess
+            {
+                Version = "XXXXXX",
+                Game = [gameBase],
+            };
+        }
+
+        /// <summary>
+        /// Validate a GameBase
+        /// </summary>
+        private static void Validate(Models.Listxml.GameBase? gb)
+        {
+            Assert.NotNull(gb);
+            Assert.Equal("XXXXXX", gb.Name);
+            Assert.Equal("XXXXXX", gb.SourceFile);
+            Assert.Equal("XXXXXX", gb.IsBios);
+            Assert.Equal("XXXXXX", gb.IsDevice);
+            Assert.Equal("XXXXXX", gb.IsMechanical);
+            Assert.Equal("XXXXXX", gb.Runnable);
+            Assert.Equal("XXXXXX", gb.CloneOf);
+            Assert.Equal("XXXXXX", gb.RomOf);
+            Assert.Equal("XXXXXX", gb.SampleOf);
+            Assert.Equal("XXXXXX", gb.Description);
+            Assert.Equal("XXXXXX", gb.Year);
+            Assert.Equal("XXXXXX", gb.Manufacturer);
+            Assert.Equal("XXXXXX", gb.History);
+
+            Assert.NotNull(gb.BiosSet);
+            var biosset = Assert.Single(gb.BiosSet);
+            Validate(biosset);
+
+            Assert.NotNull(gb.Rom);
+            var rom = Assert.Single(gb.Rom);
+            Validate(rom);
+
+            Assert.NotNull(gb.Disk);
+            var disk = Assert.Single(gb.Disk);
+            Validate(disk);
+
+            Assert.NotNull(gb.DeviceRef);
+            var deviceref = Assert.Single(gb.DeviceRef);
+            Validate(deviceref);
+
+            Assert.NotNull(gb.Sample);
+            var sample = Assert.Single(gb.Sample);
+            Validate(sample);
+
+            Assert.NotNull(gb.Chip);
+            var chip = Assert.Single(gb.Chip);
+            Validate(chip);
+
+            Assert.NotNull(gb.Display);
+            var display = Assert.Single(gb.Display);
+            Validate(display);
+
+            Assert.NotNull(gb.Video);
+            var video = Assert.Single(gb.Video);
+            Validate(video);
+
+            Validate(gb.Sound);
+            Validate(gb.Input);
+
+            Assert.NotNull(gb.DipSwitch);
+            var dipswitch = Assert.Single(gb.DipSwitch);
+            Validate(dipswitch);
+
+            Assert.NotNull(gb.Configuration);
+            var configuration = Assert.Single(gb.Configuration);
+            Validate(configuration);
+
+            Assert.NotNull(gb.Port);
+            var port = Assert.Single(gb.Port);
+            Validate(port);
+
+            Assert.NotNull(gb.Adjuster);
+            var adjuster = Assert.Single(gb.Adjuster);
+            Validate(adjuster);
+
+            Validate(gb.Driver);
+
+            Assert.NotNull(gb.Feature);
+            var feature = Assert.Single(gb.Feature);
+            Validate(feature);
+
+            Assert.NotNull(gb.Device);
+            var device = Assert.Single(gb.Device);
+            Validate(device);
+
+            Assert.NotNull(gb.Slot);
+            var slot = Assert.Single(gb.Slot);
+            Validate(slot);
+
+            Assert.NotNull(gb.SoftwareList);
+            var softwarelist = Assert.Single(gb.SoftwareList);
+            Validate(softwarelist);
+
+            Assert.NotNull(gb.RamOption);
+            var ramoption = Assert.Single(gb.RamOption);
+            Validate(ramoption);
+        }
+
+        /// <summary>
+        /// Validate a BiosSet
+        /// </summary>
+        private static void Validate(Models.Listxml.BiosSet? biosset)
+        {
+            Assert.NotNull(biosset);
+            Assert.Equal("XXXXXX", biosset.Name);
+            Assert.Equal("XXXXXX", biosset.Description);
+            Assert.Equal("XXXXXX", biosset.Default);
+        }
+
+        /// <summary>
+        /// Validate a Rom
+        /// </summary>
+        private static void Validate(Models.Listxml.Rom? rom)
+        {
+            Assert.NotNull(rom);
+            Assert.Equal("XXXXXX", rom.Name);
+            Assert.Equal("XXXXXX", rom.Bios);
+            Assert.Equal("XXXXXX", rom.Size);
+            Assert.Equal("XXXXXX", rom.CRC);
+            Assert.Equal("XXXXXX", rom.SHA1);
+            Assert.Equal("XXXXXX", rom.Merge);
+            Assert.Equal("XXXXXX", rom.Region);
+            Assert.Equal("XXXXXX", rom.Offset);
+            Assert.Equal("XXXXXX", rom.Status);
+            Assert.Equal("XXXXXX", rom.Optional);
+            Assert.Equal("XXXXXX", rom.Dispose);
+            Assert.Equal("XXXXXX", rom.SoundOnly);
+        }
+
+        /// <summary>
+        /// Validate a Disk
+        /// </summary>
+        private static void Validate(Models.Listxml.Disk? disk)
+        {
+            Assert.NotNull(disk);
+            Assert.Equal("XXXXXX", disk.Name);
+            Assert.Equal("XXXXXX", disk.MD5);
+            Assert.Equal("XXXXXX", disk.SHA1);
+            Assert.Equal("XXXXXX", disk.Merge);
+            Assert.Equal("XXXXXX", disk.Region);
+            Assert.Equal("XXXXXX", disk.Index);
+            Assert.Equal("XXXXXX", disk.Writable);
+            Assert.Equal("XXXXXX", disk.Status);
+            Assert.Equal("XXXXXX", disk.Optional);
+        }
+
+        /// <summary>
+        /// Validate a DeviceRef
+        /// </summary>
+        private static void Validate(Models.Listxml.DeviceRef? deviceref)
+        {
+            Assert.NotNull(deviceref);
+            Assert.Equal("XXXXXX", deviceref.Name);
+        }
+
+        /// <summary>
+        /// Validate a Sample
+        /// </summary>
+        private static void Validate(Models.Listxml.Sample? sample)
+        {
+            Assert.NotNull(sample);
+            Assert.Equal("XXXXXX", sample.Name);
+        }
+
+        /// <summary>
+        /// Validate a Chip
+        /// </summary>
+        private static void Validate(Models.Listxml.Chip? chip)
+        {
+            Assert.NotNull(chip);
+            Assert.Equal("XXXXXX", chip.Name);
+            Assert.Equal("XXXXXX", chip.Tag);
+            Assert.Equal("XXXXXX", chip.Type);
+            Assert.Equal("XXXXXX", chip.SoundOnly);
+            Assert.Equal("XXXXXX", chip.Clock);
+        }
+
+        /// <summary>
+        /// Validate a Display
+        /// </summary>
+        private static void Validate(Models.Listxml.Display? display)
+        {
+            Assert.NotNull(display);
+            Assert.Equal("XXXXXX", display.Tag);
+            Assert.Equal("XXXXXX", display.Type);
+            Assert.Equal("XXXXXX", display.Rotate);
+            Assert.Equal("XXXXXX", display.FlipX);
+            Assert.Equal("XXXXXX", display.Width);
+            Assert.Equal("XXXXXX", display.Height);
+            Assert.Equal("XXXXXX", display.Refresh);
+            Assert.Equal("XXXXXX", display.PixClock);
+            Assert.Equal("XXXXXX", display.HTotal);
+            Assert.Equal("XXXXXX", display.HBEnd);
+            Assert.Equal("XXXXXX", display.HBStart);
+            Assert.Equal("XXXXXX", display.VTotal);
+            Assert.Equal("XXXXXX", display.VBEnd);
+            Assert.Equal("XXXXXX", display.VBStart);
+        }
+
+        /// <summary>
+        /// Validate a Video
+        /// </summary>
+        private static void Validate(Models.Listxml.Video? video)
+        {
+            Assert.NotNull(video);
+            Assert.Equal("XXXXXX", video.Screen);
+            Assert.Equal("XXXXXX", video.Orientation);
+            Assert.Equal("XXXXXX", video.Width);
+            Assert.Equal("XXXXXX", video.Height);
+            Assert.Equal("XXXXXX", video.AspectX);
+            Assert.Equal("XXXXXX", video.AspectY);
+            Assert.Equal("XXXXXX", video.Refresh);
+        }
+
+        /// <summary>
+        /// Validate a Sound
+        /// </summary>
+        private static void Validate(Models.Listxml.Sound? sound)
+        {
+            Assert.NotNull(sound);
+            Assert.Equal("XXXXXX", sound.Channels);
+        }
+
+        /// <summary>
+        /// Validate a Input
+        /// </summary>
+        private static void Validate(Models.Listxml.Input? input)
+        {
+            Assert.NotNull(input);
+            Assert.Equal("XXXXXX", input.Service);
+            Assert.Equal("XXXXXX", input.Tilt);
+            Assert.Equal("XXXXXX", input.Players);
+            //Assert.Equal("XXXXXX", input.ControlAttr); // Mututally exclusive with input.Control
+            Assert.Equal("XXXXXX", input.Buttons);
+            Assert.Equal("XXXXXX", input.Coins);
+
+            Assert.NotNull(input.Control);
+            var control = Assert.Single(input.Control);
+            Validate(control);
+        }
+
+        /// <summary>
+        /// Validate a Control
+        /// </summary>
+        private static void Validate(Models.Listxml.Control? control)
+        {
+            Assert.NotNull(control);
+            Assert.Equal("XXXXXX", control.Type);
+            Assert.Equal("XXXXXX", control.Player);
+            Assert.Equal("XXXXXX", control.Buttons);
+            Assert.Equal("XXXXXX", control.ReqButtons);
+            Assert.Equal("XXXXXX", control.Minimum);
+            Assert.Equal("XXXXXX", control.Maximum);
+            Assert.Equal("XXXXXX", control.Sensitivity);
+            Assert.Equal("XXXXXX", control.KeyDelta);
+            Assert.Equal("XXXXXX", control.Reverse);
+            Assert.Equal("XXXXXX", control.Ways);
+            Assert.Equal("XXXXXX", control.Ways2);
+            Assert.Equal("XXXXXX", control.Ways3);
+        }
+
+        /// <summary>
+        /// Validate a DipSwitch
+        /// </summary>
+        private static void Validate(Models.Listxml.DipSwitch? dipswitch)
+        {
+            Assert.NotNull(dipswitch);
+            Assert.Equal("XXXXXX", dipswitch.Name);
+            Assert.Equal("XXXXXX", dipswitch.Tag);
+            Assert.Equal("XXXXXX", dipswitch.Mask);
+            Validate(dipswitch.Condition);
+
+            Assert.NotNull(dipswitch.DipLocation);
+            var diplocation = Assert.Single(dipswitch.DipLocation);
+            Validate(diplocation);
+
+            Assert.NotNull(dipswitch.DipValue);
+            var dipvalue = Assert.Single(dipswitch.DipValue);
+            Validate(dipvalue);
+        }
+
+        /// <summary>
+        /// Validate a Condition
+        /// </summary>
+        private static void Validate(Models.Listxml.Condition? condition)
+        {
+            Assert.NotNull(condition);
+            Assert.Equal("XXXXXX", condition.Tag);
+            Assert.Equal("XXXXXX", condition.Mask);
+            Assert.Equal("XXXXXX", condition.Relation);
+            Assert.Equal("XXXXXX", condition.Value);
+        }
+
+        /// <summary>
+        /// Validate a DipLocation
+        /// </summary>
+        private static void Validate(Models.Listxml.DipLocation? diplocation)
+        {
+            Assert.NotNull(diplocation);
+            Assert.Equal("XXXXXX", diplocation.Name);
+            Assert.Equal("XXXXXX", diplocation.Number);
+            Assert.Equal("XXXXXX", diplocation.Inverted);
+        }
+
+        /// <summary>
+        /// Validate a DipValue
+        /// </summary>
+        private static void Validate(Models.Listxml.DipValue? dipvalue)
+        {
+            Assert.NotNull(dipvalue);
+            Assert.Equal("XXXXXX", dipvalue.Name);
+            Assert.Equal("XXXXXX", dipvalue.Value);
+            Assert.Equal("XXXXXX", dipvalue.Default);
+            Validate(dipvalue.Condition);
+        }
+
+        /// <summary>
+        /// Validate a Configuration
+        /// </summary>
+        private static void Validate(Models.Listxml.Configuration? configuration)
+        {
+            Assert.NotNull(configuration);
+            Assert.Equal("XXXXXX", configuration.Name);
+            Assert.Equal("XXXXXX", configuration.Tag);
+            Assert.Equal("XXXXXX", configuration.Mask);
+            Validate(configuration.Condition);
+
+            Assert.NotNull(configuration.ConfLocation);
+            var conflocation = Assert.Single(configuration.ConfLocation);
+            Validate(conflocation);
+
+            Assert.NotNull(configuration.ConfSetting);
+            var confsetting = Assert.Single(configuration.ConfSetting);
+            Validate(confsetting);
+        }
+
+        /// <summary>
+        /// Validate a ConfLocation
+        /// </summary>
+        private static void Validate(Models.Listxml.ConfLocation? conflocation)
+        {
+            Assert.NotNull(conflocation);
+            Assert.Equal("XXXXXX", conflocation.Name);
+            Assert.Equal("XXXXXX", conflocation.Number);
+            Assert.Equal("XXXXXX", conflocation.Inverted);
+        }
+
+        /// <summary>
+        /// Validate a ConfSetting
+        /// </summary>
+        private static void Validate(Models.Listxml.ConfSetting? confsetting)
+        {
+            Assert.NotNull(confsetting);
+            Assert.Equal("XXXXXX", confsetting.Name);
+            Assert.Equal("XXXXXX", confsetting.Value);
+            Assert.Equal("XXXXXX", confsetting.Default);
+            Validate(confsetting.Condition);
+        }
+
+        /// <summary>
+        /// Validate a Port
+        /// </summary>
+        private static void Validate(Models.Listxml.Port? port)
+        {
+            Assert.NotNull(port);
+            Assert.Equal("XXXXXX", port.Tag);
+
+            Assert.NotNull(port.Analog);
+            var analog = Assert.Single(port.Analog);
+            Validate(analog);
+        }
+
+        /// <summary>
+        /// Validate a Analog
+        /// </summary>
+        private static void Validate(Models.Listxml.Analog? analog)
+        {
+            Assert.NotNull(analog);
+            Assert.Equal("XXXXXX", analog.Mask);
+        }
+
+        /// <summary>
+        /// Validate a Adjuster
+        /// </summary>
+        private static void Validate(Models.Listxml.Adjuster? adjuster)
+        {
+            Assert.NotNull(adjuster);
+            Assert.Equal("XXXXXX", adjuster.Name);
+            Assert.Equal("XXXXXX", adjuster.Default);
+            Validate(adjuster.Condition);
+        }
+
+        /// <summary>
+        /// Validate a Driver
+        /// </summary>
+        private static void Validate(Models.Listxml.Driver? driver)
+        {
+            Assert.NotNull(driver);
+            Assert.Equal("XXXXXX", driver.Status);
+            Assert.Equal("XXXXXX", driver.Color);
+            Assert.Equal("XXXXXX", driver.Sound);
+            Assert.Equal("XXXXXX", driver.PaletteSize);
+            Assert.Equal("XXXXXX", driver.Emulation);
+            Assert.Equal("XXXXXX", driver.Cocktail);
+            Assert.Equal("XXXXXX", driver.SaveState);
+            Assert.Equal("XXXXXX", driver.RequiresArtwork);
+            Assert.Equal("XXXXXX", driver.Unofficial);
+            Assert.Equal("XXXXXX", driver.NoSoundHardware);
+            Assert.Equal("XXXXXX", driver.Incomplete);
+        }
+
+        /// <summary>
+        /// Validate a Feature
+        /// </summary>
+        private static void Validate(Models.Listxml.Feature? feature)
+        {
+            Assert.NotNull(feature);
+            Assert.Equal("XXXXXX", feature.Type);
+            Assert.Equal("XXXXXX", feature.Status);
+            Assert.Equal("XXXXXX", feature.Overall);
+        }
+
+        /// <summary>
+        /// Validate a Device
+        /// </summary>
+        private static void Validate(Models.Listxml.Device? device)
+        {
+            Assert.NotNull(device);
+            Assert.Equal("XXXXXX", device.Type);
+            Assert.Equal("XXXXXX", device.Tag);
+            Assert.Equal("XXXXXX", device.FixedImage);
+            Assert.Equal("XXXXXX", device.Mandatory);
+            Assert.Equal("XXXXXX", device.Interface);
+            Validate(device.Instance);
+
+            Assert.NotNull(device.Extension);
+            var extension = Assert.Single(device.Extension);
+            Validate(extension);
+        }
+
+        /// <summary>
+        /// Validate a Instance
+        /// </summary>
+        private static void Validate(Models.Listxml.Instance? instance)
+        {
+            Assert.NotNull(instance);
+            Assert.Equal("XXXXXX", instance.Name);
+            Assert.Equal("XXXXXX", instance.BriefName);
+        }
+
+        /// <summary>
+        /// Validate a Extension
+        /// </summary>
+        private static void Validate(Models.Listxml.Extension? extension)
+        {
+            Assert.NotNull(extension);
+            Assert.Equal("XXXXXX", extension.Name);
+        }
+
+        /// <summary>
+        /// Validate a Slot
+        /// </summary>
+        private static void Validate(Models.Listxml.Slot? slot)
+        {
+            Assert.NotNull(slot);
+            Assert.Equal("XXXXXX", slot.Name);
+
+            Assert.NotNull(slot.SlotOption);
+            var slotoption = Assert.Single(slot.SlotOption);
+            Validate(slotoption);
+        }
+
+        /// <summary>
+        /// Validate a SlotOption
+        /// </summary>
+        private static void Validate(Models.Listxml.SlotOption? slotoption)
+        {
+            Assert.NotNull(slotoption);
+            Assert.Equal("XXXXXX", slotoption.Name);
+            Assert.Equal("XXXXXX", slotoption.DevName);
+            Assert.Equal("XXXXXX", slotoption.Default);
+        }
+
+        /// <summary>
+        /// Validate a SoftwareList
+        /// </summary>
+        private static void Validate(Models.Listxml.SoftwareList? softwarelist)
+        {
+            Assert.NotNull(softwarelist);
+            Assert.Equal("XXXXXX", softwarelist.Tag);
+            Assert.Equal("XXXXXX", softwarelist.Name);
+            Assert.Equal("XXXXXX", softwarelist.Status);
+            Assert.Equal("XXXXXX", softwarelist.Filter);
+        }
+
+        /// <summary>
+        /// Validate a RamOption
+        /// </summary>
+        private static void Validate(Models.Listxml.RamOption? ramoption)
+        {
+            Assert.NotNull(ramoption);
+            Assert.Equal("XXXXXX", ramoption.Name);
+            Assert.Equal("XXXXXX", ramoption.Default);
+            Assert.Equal("XXXXXX", ramoption.Content);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/OfflineListTests.cs

@@ -0,0 +1,450 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class OfflineListTests
+    {
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.OfflineList();
+
+            // Build the data
+            Models.OfflineList.Dat dat = Build();
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(dat);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.OfflineList.Dat? newDat = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newDat);
+            Assert.Equal("XXXXXX", newDat.NoNamespaceSchemaLocation);
+            Validate(newDat.Configuration);
+            Validate(newDat.Games);
+            Validate(newDat.GUI);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.OfflineList.Dat Build()
+        {
+            var infos = new Models.OfflineList.Infos
+            {
+                Title = new Models.OfflineList.Title
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                Location = new Models.OfflineList.Location
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                Publisher = new Models.OfflineList.Publisher
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                SourceRom = new Models.OfflineList.SourceRom
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                SaveType = new Models.OfflineList.SaveType
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                RomSize = new Models.OfflineList.RomSize
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                ReleaseNumber = new Models.OfflineList.ReleaseNumber
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                ImageNumber = new Models.OfflineList.ImageNumber
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                LanguageNumber = new Models.OfflineList.LanguageNumber
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                Comment = new Models.OfflineList.Comment
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                RomCRC = new Models.OfflineList.RomCRC
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                Im1CRC = new Models.OfflineList.Im1CRC
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                Im2CRC = new Models.OfflineList.Im2CRC
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                Languages = new Models.OfflineList.Languages
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+            };
+
+            var canopen = new Models.OfflineList.CanOpen
+            {
+                Extension = ["XXXXXX"],
+            };
+
+            var daturl = new Models.OfflineList.DatUrl
+            {
+                FileName = "XXXXXX",
+                Content = "XXXXXX",
+            };
+
+            var newdat = new Models.OfflineList.NewDat
+            {
+                DatVersionUrl = "XXXXXX",
+                DatUrl = daturl,
+                ImUrl = "XXXXXX",
+            };
+
+            var find = new Models.OfflineList.Find
+            {
+                Operation = "XXXXXX",
+                Value = "XXXXXX",
+                Content = "XXXXXX",
+            };
+
+            var to = new Models.OfflineList.To
+            {
+                Value = "XXXXXX",
+                Default = "XXXXXX",
+                Auto = "XXXXXX",
+                Find = [find],
+            };
+
+            var search = new Models.OfflineList.Search
+            {
+                To = [to],
+            };
+
+            var configuration = new Models.OfflineList.Configuration
+            {
+                DatName = "XXXXXX",
+                ImFolder = "XXXXXX",
+                DatVersion = "XXXXXX",
+                System = "XXXXXX",
+                ScreenshotsWidth = "XXXXXX",
+                ScreenshotsHeight = "XXXXXX",
+                Infos = infos,
+                CanOpen = canopen,
+                NewDat = newdat,
+                Search = search,
+                RomTitle = "XXXXXX",
+            };
+
+            var fileromcrc = new Models.OfflineList.FileRomCRC
+            {
+                Extension = "XXXXXX",
+                Content = "XXXXXX",
+            };
+
+            var files = new Models.OfflineList.Files
+            {
+                RomCRC = [fileromcrc],
+            };
+
+            var game = new Models.OfflineList.Game
+            {
+                ImageNumber = "XXXXXX",
+                ReleaseNumber = "XXXXXX",
+                Title = "XXXXXX",
+                SaveType = "XXXXXX",
+                RomSize = "XXXXXX",
+                Publisher = "XXXXXX",
+                Location = "XXXXXX",
+                SourceRom = "XXXXXX",
+                Language = "XXXXXX",
+                Files = files,
+                Im1CRC = "XXXXXX",
+                Im2CRC = "XXXXXX",
+                Comment = "XXXXXX",
+                DuplicateID = "XXXXXX",
+            };
+
+            var games = new Models.OfflineList.Games
+            {
+                Game = [game],
+            };
+
+            var image = new Models.OfflineList.Image
+            {
+                X = "XXXXXX",
+                Y = "XXXXXX",
+                Width = "XXXXXX",
+                Height = "XXXXXX",
+            };
+
+            var images = new Models.OfflineList.Images
+            {
+                Width = "XXXXXX",
+                Height = "XXXXXX",
+                Image = [image],
+            };
+
+            var gui = new Models.OfflineList.GUI
+            {
+                Images = images,
+            };
+
+            return new Models.OfflineList.Dat
+            {
+                NoNamespaceSchemaLocation = "XXXXXX",
+                Configuration = configuration,
+                Games = games,
+                GUI = gui,
+            };
+        }
+
+        /// <summary>
+        /// Validate a Configuration
+        /// </summary>
+        private static void Validate(Models.OfflineList.Configuration? configuration)
+        {
+            Assert.NotNull(configuration);
+            Assert.Equal("XXXXXX", configuration.DatName);
+            Assert.Equal("XXXXXX", configuration.ImFolder);
+            Assert.Equal("XXXXXX", configuration.DatVersion);
+            Assert.Equal("XXXXXX", configuration.System);
+            Assert.Equal("XXXXXX", configuration.ScreenshotsWidth);
+            Assert.Equal("XXXXXX", configuration.ScreenshotsHeight);
+            Validate(configuration.Infos);
+            Validate(configuration.CanOpen);
+            Validate(configuration.NewDat);
+            Validate(configuration.Search);
+            Assert.Equal("XXXXXX", configuration.RomTitle);
+        }
+
+        /// <summary>
+        /// Validate a Infos
+        /// </summary>
+        private static void Validate(Models.OfflineList.Infos? infos)
+        {
+            Assert.NotNull(infos);
+            Validate(infos.Title);
+            Validate(infos.Location);
+            Validate(infos.Publisher);
+            Validate(infos.SourceRom);
+            Validate(infos.SaveType);
+            Validate(infos.RomSize);
+            Validate(infos.ReleaseNumber);
+            Validate(infos.ImageNumber);
+            Validate(infos.LanguageNumber);
+            Validate(infos.Comment);
+            Validate(infos.RomCRC);
+            Validate(infos.Im1CRC);
+            Validate(infos.Im2CRC);
+            Validate(infos.Languages);
+        }
+
+        /// <summary>
+        /// Validate a InfoBase
+        /// </summary>
+        private static void Validate(Models.OfflineList.InfoBase? info)
+        {
+            Assert.NotNull(info);
+            Assert.Equal("XXXXXX", info.Visible);
+            Assert.Equal("XXXXXX", info.InNamingOption);
+            Assert.Equal("XXXXXX", info.Default);
+        }
+
+        /// <summary>
+        /// Validate a CanOpen
+        /// </summary>
+        private static void Validate(Models.OfflineList.CanOpen? canopen)
+        {
+            Assert.NotNull(canopen);
+            Assert.NotNull(canopen.Extension);
+            string extension = Assert.Single(canopen.Extension);
+            Assert.Equal("XXXXXX", extension);
+        }
+
+        /// <summary>
+        /// Validate a NewDat
+        /// </summary>
+        private static void Validate(Models.OfflineList.NewDat? newdat)
+        {
+            Assert.NotNull(newdat);
+            Assert.Equal("XXXXXX", newdat.DatVersionUrl);
+            Validate(newdat.DatUrl);
+            Assert.Equal("XXXXXX", newdat.ImUrl);
+        }
+
+        /// <summary>
+        /// Validate a DatUrl
+        /// </summary>
+        private static void Validate(Models.OfflineList.DatUrl? daturl)
+        {
+            Assert.NotNull(daturl);
+            Assert.Equal("XXXXXX", daturl.FileName);
+            Assert.Equal("XXXXXX", daturl.Content);
+        }
+
+        /// <summary>
+        /// Validate a Search
+        /// </summary>
+        private static void Validate(Models.OfflineList.Search? search)
+        {
+            Assert.NotNull(search);
+            Assert.NotNull(search.To);
+            var to = Assert.Single(search.To);
+            Validate(to);
+        }
+
+        /// <summary>
+        /// Validate a To
+        /// </summary>
+        private static void Validate(Models.OfflineList.To? to)
+        {
+            Assert.NotNull(to);
+            Assert.Equal("XXXXXX", to.Value);
+            Assert.Equal("XXXXXX", to.Default);
+            Assert.Equal("XXXXXX", to.Auto);
+
+            Assert.NotNull(to.Find);
+            var find = Assert.Single(to.Find);
+            Validate(find);
+        }
+
+        /// <summary>
+        /// Validate a Find
+        /// </summary>
+        private static void Validate(Models.OfflineList.Find? find)
+        {
+            Assert.NotNull(find);
+            Assert.Equal("XXXXXX", find.Operation);
+            Assert.Equal("XXXXXX", find.Value);
+            Assert.Equal("XXXXXX", find.Content);
+        }
+
+        /// <summary>
+        /// Validate a Games
+        /// </summary>
+        private static void Validate(Models.OfflineList.Games? games)
+        {
+            Assert.NotNull(games);
+            Assert.NotNull(games.Game);
+            var game = Assert.Single(games.Game);
+            Validate(game);
+        }
+
+        /// <summary>
+        /// Validate a Game
+        /// </summary>
+        private static void Validate(Models.OfflineList.Game? game)
+        {
+            Assert.NotNull(game);
+            Assert.Equal("XXXXXX", game.ImageNumber);
+            Assert.Equal("XXXXXX", game.ReleaseNumber);
+            Assert.Equal("XXXXXX", game.Title);
+            Assert.Equal("XXXXXX", game.SaveType);
+            Assert.Equal("0", game.RomSize); // Converted due to filtering
+            Assert.Equal("XXXXXX", game.Publisher);
+            Assert.Equal("XXXXXX", game.Location);
+            Assert.Equal("XXXXXX", game.SourceRom);
+            Assert.Equal("XXXXXX", game.Language);
+            Validate(game.Files);
+            Assert.Equal("XXXXXX", game.Im1CRC);
+            Assert.Equal("XXXXXX", game.Im2CRC);
+            Assert.Equal("XXXXXX", game.Comment);
+            Assert.Equal("XXXXXX", game.DuplicateID);
+        }
+
+        /// <summary>
+        /// Validate a Files
+        /// </summary>
+        private static void Validate(Models.OfflineList.Files? files)
+        {
+            Assert.NotNull(files);
+            Assert.NotNull(files.RomCRC);
+            var fileromcrc = Assert.Single(files.RomCRC);
+            Validate(fileromcrc);
+        }
+
+        /// <summary>
+        /// Validate a FileRomCRC
+        /// </summary>
+        private static void Validate(Models.OfflineList.FileRomCRC? fileromcrc)
+        {
+            Assert.NotNull(fileromcrc);
+            Assert.Equal("XXXXXX", fileromcrc.Extension);
+            Assert.Equal("XXXXXX", fileromcrc.Content);
+        }
+
+        /// <summary>
+        /// Validate a GUI
+        /// </summary>
+        private static void Validate(Models.OfflineList.GUI? gui)
+        {
+            Assert.NotNull(gui);
+            Validate(gui.Images);
+        }
+
+        /// <summary>
+        /// Validate a Images
+        /// </summary>
+        private static void Validate(Models.OfflineList.Images? images)
+        {
+            Assert.NotNull(images);
+            Assert.Equal("XXXXXX", images.Width);
+            Assert.Equal("XXXXXX", images.Height);
+
+            Assert.NotNull(images.Image);
+            var image = Assert.Single(images.Image);
+            Validate(image);
+        }
+
+        /// <summary>
+        /// Validate a Image
+        /// </summary>
+        private static void Validate(Models.OfflineList.Image? image)
+        {
+            Assert.NotNull(image);
+            Assert.Equal("XXXXXX", image.X);
+            Assert.Equal("XXXXXX", image.Y);
+            Assert.Equal("XXXXXX", image.Width);
+            Assert.Equal("XXXXXX", image.Height);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/OpenMSXTests.cs

@@ -0,0 +1,156 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class OpenMSXTests
+    {
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.OpenMSX();
+
+            // Build the data
+            Models.OpenMSX.SoftwareDb sdb = Build();
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(sdb);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.OpenMSX.SoftwareDb? newSdb = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newSdb);
+            Assert.Equal("XXXXXX", newSdb.Timestamp);
+
+            Assert.NotNull(newSdb.Software);
+            var software = Assert.Single(newSdb.Software);
+            Validate(software);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.OpenMSX.SoftwareDb Build()
+        {
+            var original = new Models.OpenMSX.Original
+            {
+                Value = "XXXXXX",
+                Content = "XXXXXX",
+            };
+
+            var rom = new Models.OpenMSX.Rom
+            {
+                Start = "XXXXXX",
+                Type = "XXXXXX",
+                Hash = "XXXXXX",
+                Remark = "XXXXXX",
+            };
+
+            var dump_rom = new Models.OpenMSX.Dump
+            {
+                Original = original,
+                Rom = rom,
+            };
+
+            var megarom = new Models.OpenMSX.MegaRom
+            {
+                Start = "XXXXXX",
+                Type = "XXXXXX",
+                Hash = "XXXXXX",
+                Remark = "XXXXXX",
+            };
+
+            var dump_megarom = new Models.OpenMSX.Dump
+            {
+                Original = original,
+                Rom = megarom,
+            };
+
+            var sccpluscart = new Models.OpenMSX.SCCPlusCart
+            {
+                Start = "XXXXXX",
+                Type = "XXXXXX",
+                Hash = "XXXXXX",
+                Remark = "XXXXXX",
+            };
+
+            var dump_sccpluscart = new Models.OpenMSX.Dump
+            {
+                Original = original,
+                Rom = sccpluscart,
+            };
+            
+            var software = new Models.OpenMSX.Software
+            {
+                Title = "XXXXXX",
+                GenMSXID = "XXXXXX",
+                System = "XXXXXX",
+                Company = "XXXXXX",
+                Year = "XXXXXX",
+                Country = "XXXXXX",
+                Dump = [dump_rom, dump_megarom, dump_sccpluscart],
+            };
+
+            return new Models.OpenMSX.SoftwareDb
+            {
+                Timestamp = "XXXXXX",
+                Software = [software],
+            };
+        }
+
+        /// <summary>
+        /// Validate a Software
+        /// </summary>
+        private static void Validate(Models.OpenMSX.Software? software)
+        {
+            Assert.NotNull(software);
+            Assert.Equal("XXXXXX", software.Title);
+            Assert.Equal("XXXXXX", software.GenMSXID);
+            Assert.Equal("XXXXXX", software.System);
+            Assert.Equal("XXXXXX", software.Company);
+            Assert.Equal("XXXXXX", software.Year);
+            Assert.Equal("XXXXXX", software.Country);
+
+            Assert.NotNull(software.Dump);
+            Assert.Equal(3, software.Dump.Length);
+            foreach (var dump in software.Dump)
+            {
+                Validate(dump);
+            }
+        }
+
+        /// <summary>
+        /// Validate a Dump
+        /// </summary>
+        private static void Validate(Models.OpenMSX.Dump? dump)
+        {
+            Assert.NotNull(dump);
+            Validate(dump.Original);
+            Validate(dump.Rom);
+        }
+
+        /// <summary>
+        /// Validate a Original
+        /// </summary>
+        private static void Validate(Models.OpenMSX.Original? original)
+        {
+            Assert.NotNull(original);
+            Assert.Equal("XXXXXX", original.Value);
+            Assert.Equal("XXXXXX", original.Content);
+        }
+
+        /// <summary>
+        /// Validate a RomBase
+        /// </summary>
+        private static void Validate(Models.OpenMSX.RomBase? rombase)
+        {
+            Assert.NotNull(rombase);
+            Assert.Equal("XXXXXX", rombase.Start);
+            Assert.Equal("XXXXXX", rombase.Type);
+            Assert.Equal("XXXXXX", rombase.Hash);
+            Assert.Equal("XXXXXX", rombase.Remark);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/RomCenterTests.cs

@@ -0,0 +1,153 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class RomCenterTests
+    {
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.RomCenter();
+
+            // Build the data
+            Models.RomCenter.MetadataFile mf = Build();
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(mf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.RomCenter.MetadataFile? newMf = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Validate(newMf.Credits);
+            Validate(newMf.Dat);
+            Validate(newMf.Emulator);
+            Validate(newMf.Games);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.RomCenter.MetadataFile Build()
+        {
+            var credits = new Models.RomCenter.Credits
+            {
+                Author = "XXXXXX",
+                Version = "XXXXXX",
+                Email = "XXXXXX",
+                Homepage = "XXXXXX",
+                Url = "XXXXXX",
+                Date = "XXXXXX",
+                Comment = "XXXXXX",
+            };
+
+            var dat = new Models.RomCenter.Dat
+            {
+                Version = "XXXXXX",
+                Plugin = "XXXXXX",
+                Split = "XXXXXX",
+                Merge = "XXXXXX",
+            };
+
+            var emulator = new Models.RomCenter.Emulator
+            {
+                RefName = "XXXXXX",
+                Version = "XXXXXX",
+            };
+
+            var rom = new Models.RomCenter.Rom
+            {
+                ParentName = "XXXXXX",
+                ParentDescription = "XXXXXX",
+                GameName = "XXXXXX",
+                GameDescription = "XXXXXX",
+                RomName = "XXXXXX",
+                RomCRC = "XXXXXX",
+                RomSize = "XXXXXX",
+                RomOf = "XXXXXX",
+                MergeName = "XXXXXX",
+            };
+
+            var games = new Models.RomCenter.Games
+            {
+                Rom = [rom],
+            };
+
+            return new Models.RomCenter.MetadataFile
+            {
+                Credits = credits,
+                Dat = dat,
+                Emulator = emulator,
+                Games = games,
+            };
+        }
+
+        /// <summary>
+        /// Validate a Credits
+        /// </summary>
+        private static void Validate(Models.RomCenter.Credits? credits)
+        {
+            Assert.NotNull(credits);
+            Assert.Equal("XXXXXX", credits.Author);
+            Assert.Equal("XXXXXX", credits.Version);
+            Assert.Equal("XXXXXX", credits.Email);
+            Assert.Equal("XXXXXX", credits.Homepage);
+            Assert.Equal("XXXXXX", credits.Url);
+            Assert.Equal("XXXXXX", credits.Date);
+            Assert.Equal("XXXXXX", credits.Comment);
+        }
+
+        /// <summary>
+        /// Validate a Dat
+        /// </summary>
+        private static void Validate(Models.RomCenter.Dat? dat)
+        {
+            Assert.NotNull(dat);
+            Assert.Equal("XXXXXX", dat.Version);
+            Assert.Equal("XXXXXX", dat.Plugin);
+            Assert.Equal("no", dat.Split); // Converted due to filtering
+            Assert.Equal("no", dat.Merge); // Converted due to filtering
+        }
+
+        /// <summary>
+        /// Validate a Emulator
+        /// </summary>
+        private static void Validate(Models.RomCenter.Emulator? emulator)
+        {
+            Assert.NotNull(emulator);
+            Assert.Equal("XXXXXX", emulator.RefName);
+            Assert.Equal("XXXXXX", emulator.Version);
+        }
+
+        /// <summary>
+        /// Validate a Games
+        /// </summary>
+        private static void Validate(Models.RomCenter.Games? games)
+        {
+            Assert.NotNull(games);
+            Assert.NotNull(games.Rom);
+            var rom = Assert.Single(games.Rom);
+            Validate(rom);
+        }
+
+        /// <summary>
+        /// Validate a Rom
+        /// </summary>
+        private static void Validate(Models.RomCenter.Rom? rom)
+        {
+            Assert.NotNull(rom);
+            Assert.Equal("XXXXXX", rom.ParentName);
+            Assert.Null(rom.ParentDescription); // This is unmappable
+            Assert.Equal("XXXXXX", rom.GameName);
+            Assert.Equal("XXXXXX", rom.GameDescription);
+            Assert.Equal("XXXXXX", rom.RomName);
+            Assert.Equal("XXXXXX", rom.RomCRC);
+            Assert.Equal("XXXXXX", rom.RomSize);
+            Assert.Equal("XXXXXX", rom.RomOf);
+            Assert.Equal("XXXXXX", rom.MergeName);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/SeparatedValueTests.cs

@@ -0,0 +1,182 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class SeparatedValueTests
+    {
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.SeparatedValue();
+
+            // Build the data
+            Models.SeparatedValue.MetadataFile mf = Build();
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(mf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.SeparatedValue.MetadataFile? newMf = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Validate(newMf.Header);
+            Assert.NotNull(newMf.Row);
+            Assert.Equal(3, newMf.Row.Length);
+
+            ValidateDisk(newMf.Row[0]);
+            ValidateMedia(newMf.Row[1]);
+            ValidateRom(newMf.Row[2]);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.SeparatedValue.MetadataFile Build()
+        {
+            string[] header = ["header"];
+
+            var disk = new Models.SeparatedValue.Row
+            {
+                FileName = "XXXXXX",
+                InternalName = "XXXXXX",
+                Description = "XXXXXX",
+                GameName = "XXXXXX",
+                GameDescription = "XXXXXX",
+                Type = "disk",
+                DiskName = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Status = "XXXXXX",
+            };
+
+            var media = new Models.SeparatedValue.Row
+            {
+                FileName = "XXXXXX",
+                InternalName = "XXXXXX",
+                Description = "XXXXXX",
+                GameName = "XXXXXX",
+                GameDescription = "XXXXXX",
+                Type = "media",
+                DiskName = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                SHA256 = "XXXXXX",
+                SpamSum = "XXXXXX",
+            };
+
+            var rom = new Models.SeparatedValue.Row
+            {
+                FileName = "XXXXXX",
+                InternalName = "XXXXXX",
+                Description = "XXXXXX",
+                GameName = "XXXXXX",
+                GameDescription = "XXXXXX",
+                Type = "rom",
+                RomName = "XXXXXX",
+                Size = "XXXXXX",
+                CRC = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                SHA256 = "XXXXXX",
+                SHA384 = "XXXXXX",
+                SHA512 = "XXXXXX",
+                SpamSum = "XXXXXX",
+                Status = "XXXXXX",
+            };
+
+            return new Models.SeparatedValue.MetadataFile
+            {
+                Header = header,
+                Row = [disk, media, rom],
+            };
+        }
+
+        /// <summary>
+        /// Validate a header
+        /// </summary>
+        private static void Validate(string[]? header)
+        {
+            Assert.NotNull(header);
+            string column = Assert.Single(header);
+            Assert.Equal("header", column);
+        }
+
+        /// <summary>
+        /// Validate a Row
+        /// </summary>
+        private static void ValidateDisk(Models.SeparatedValue.Row? row)
+        {
+            Assert.NotNull(row);
+            Assert.Equal("XXXXXX", row.FileName);
+            Assert.Equal("XXXXXX", row.InternalName);
+            Assert.Equal("XXXXXX", row.Description);
+            Assert.Equal("XXXXXX", row.GameName);
+            Assert.Equal("XXXXXX", row.GameDescription);
+            Assert.Equal("disk", row.Type);
+            Assert.Null(row.RomName);
+            Assert.Equal("XXXXXX", row.DiskName);
+            Assert.Null(row.Size);
+            Assert.Null(row.CRC);
+            Assert.Equal("XXXXXX", row.MD5);
+            Assert.Equal("XXXXXX", row.SHA1);
+            Assert.Null(row.SHA256);
+            Assert.Null(row.SHA384);
+            Assert.Null(row.SHA512);
+            Assert.Null(row.SpamSum);
+            Assert.Equal("XXXXXX", row.Status);
+        }
+
+        /// <summary>
+        /// Validate a Row
+        /// </summary>
+        private static void ValidateMedia(Models.SeparatedValue.Row? row)
+        {
+            Assert.NotNull(row);
+            Assert.Equal("XXXXXX", row.FileName);
+            Assert.Equal("XXXXXX", row.InternalName);
+            Assert.Equal("XXXXXX", row.Description);
+            Assert.Equal("XXXXXX", row.GameName);
+            Assert.Equal("XXXXXX", row.GameDescription);
+            Assert.Equal("media", row.Type);
+            Assert.Null(row.RomName);
+            Assert.Equal("XXXXXX", row.DiskName);
+            Assert.Null(row.Size);
+            Assert.Null(row.CRC);
+            Assert.Equal("XXXXXX", row.MD5);
+            Assert.Equal("XXXXXX", row.SHA1);
+            Assert.Equal("XXXXXX", row.SHA256);
+            Assert.Null(row.SHA384);
+            Assert.Null(row.SHA512);
+            Assert.Equal("XXXXXX", row.SpamSum);
+            Assert.Null(row.Status);
+        }
+
+        /// <summary>
+        /// Validate a Row
+        /// </summary>
+        private static void ValidateRom(Models.SeparatedValue.Row? row)
+        {
+            Assert.NotNull(row);
+            Assert.Equal("XXXXXX", row.FileName);
+            Assert.Equal("XXXXXX", row.InternalName);
+            Assert.Equal("XXXXXX", row.Description);
+            Assert.Equal("XXXXXX", row.GameName);
+            Assert.Equal("XXXXXX", row.GameDescription);
+            Assert.Equal("rom", row.Type);
+            Assert.Equal("XXXXXX", row.RomName);
+            Assert.Null(row.DiskName);
+            Assert.Equal("XXXXXX", row.Size);
+            Assert.Equal("XXXXXX", row.CRC);
+            Assert.Equal("XXXXXX", row.MD5);
+            Assert.Equal("XXXXXX", row.SHA1);
+            Assert.Equal("XXXXXX", row.SHA256);
+            Assert.Equal("XXXXXX", row.SHA384);
+            Assert.Equal("XXXXXX", row.SHA512);
+            Assert.Equal("XXXXXX", row.SpamSum);
+            Assert.Equal("XXXXXX", row.Status);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/SoftwareListTests.cs

@@ -0,0 +1,310 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class SoftwareListTests
+    {
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.SoftwareList();
+
+            // Build the data
+            Models.SoftwareList.SoftwareList sl = Build();
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(sl);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.SoftwareList.SoftwareList? newSl = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newSl);
+            Assert.Equal("XXXXXX", newSl.Name);
+            Assert.Equal("XXXXXX", newSl.Description);
+            Assert.Equal("XXXXXX", newSl.Notes);
+
+            Assert.NotNull(newSl.Software);
+            var newSoftware = Assert.Single(newSl.Software);
+            Validate(newSoftware);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.SoftwareList.SoftwareList Build()
+        {
+            var info = new Models.SoftwareList.Info
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+            };
+
+            var sharedfeat = new Models.SoftwareList.SharedFeat
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+            };
+
+            var feature = new Models.SoftwareList.Feature
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+            };
+
+            var rom = new Models.SoftwareList.Rom
+            {
+                Name = "XXXXXX",
+                Size = "XXXXXX",
+                Length = "XXXXXX",
+                CRC = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Offset = "XXXXXX",
+                Value = "XXXXXX",
+                Status = "XXXXXX",
+                LoadFlag = "XXXXXX",
+            };
+
+            var dataarea = new Models.SoftwareList.DataArea
+            {
+                Name = "XXXXXX",
+                Size = "XXXXXX",
+                Width = "XXXXXX",
+                Endianness = "XXXXXX",
+                Rom = [rom],
+            };
+
+            var disk = new Models.SoftwareList.Disk
+            {
+                Name = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Status = "XXXXXX",
+                Writeable = "XXXXXX",
+            };
+
+            var diskarea = new Models.SoftwareList.DiskArea
+            {
+                Name = "XXXXXX",
+                Disk = [disk],
+            };
+
+            var dipvalue = new Models.SoftwareList.DipValue
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var dipswitch = new Models.SoftwareList.DipSwitch
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                DipValue = [dipvalue],
+            };
+
+            var part = new Models.SoftwareList.Part
+            {
+                Name = "XXXXXX",
+                Interface = "XXXXXX",
+                Feature = [feature],
+                DataArea = [dataarea],
+                DiskArea = [diskarea],
+                DipSwitch = [dipswitch],
+            };
+
+            var software = new Models.SoftwareList.Software
+            {
+                Name = "XXXXXX",
+                CloneOf = "XXXXXX",
+                Supported = "XXXXXX",
+                Description = "XXXXXX",
+                Year = "XXXXXX",
+                Publisher = "XXXXXX",
+                Notes = "XXXXXX",
+                Info = [info],
+                SharedFeat = [sharedfeat],
+                Part = [part],
+            };
+
+            return new Models.SoftwareList.SoftwareList
+            {
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                Notes = "XXXXXX",
+                Software = [software],
+            };
+        }
+
+        /// <summary>
+        /// Validate a Software
+        /// </summary>
+        private static void Validate(Models.SoftwareList.Software? software)
+        {
+            Assert.NotNull(software);
+            Assert.Equal("XXXXXX", software.Name);
+            Assert.Equal("XXXXXX", software.CloneOf);
+            Assert.Equal("XXXXXX", software.Supported);
+            Assert.Equal("XXXXXX", software.Description);
+            Assert.Equal("XXXXXX", software.Year);
+            Assert.Equal("XXXXXX", software.Publisher);
+            Assert.Equal("XXXXXX", software.Notes);
+
+            Assert.NotNull(software.Info);
+            var info = Assert.Single(software.Info);
+            Validate(info);
+
+            Assert.NotNull(software.SharedFeat);
+            var sharedfeat = Assert.Single(software.SharedFeat);
+            Validate(sharedfeat);
+
+            Assert.NotNull(software.Part);
+            var part = Assert.Single(software.Part);
+            Validate(part);
+        }
+
+        /// <summary>
+        /// Validate a Info
+        /// </summary>
+        private static void Validate(Models.SoftwareList.Info? info)
+        {
+            Assert.NotNull(info);
+            Assert.Equal("XXXXXX", info.Name);
+            Assert.Equal("XXXXXX", info.Value);
+        }
+
+        /// <summary>
+        /// Validate a SharedFeat
+        /// </summary>
+        private static void Validate(Models.SoftwareList.SharedFeat? sharedfeat)
+        {
+            Assert.NotNull(sharedfeat);
+            Assert.Equal("XXXXXX", sharedfeat.Name);
+            Assert.Equal("XXXXXX", sharedfeat.Value);
+        }
+
+        /// <summary>
+        /// Validate a Part
+        /// </summary>
+        private static void Validate(Models.SoftwareList.Part? part)
+        {
+            Assert.NotNull(part);
+            Assert.Equal("XXXXXX", part.Name);
+            Assert.Equal("XXXXXX", part.Interface);
+
+            Assert.NotNull(part.Feature);
+            var feature = Assert.Single(part.Feature);
+            Validate(feature);
+
+            Assert.NotNull(part.DataArea);
+            var dataarea = Assert.Single(part.DataArea);
+            Validate(dataarea);
+
+            Assert.NotNull(part.DiskArea);
+            var diskarea = Assert.Single(part.DiskArea);
+            Validate(diskarea);
+
+            Assert.NotNull(part.DipSwitch);
+            var dipswitch = Assert.Single(part.DipSwitch);
+            Validate(dipswitch);
+        }
+
+        /// <summary>
+        /// Validate a Feature
+        /// </summary>
+        private static void Validate(Models.SoftwareList.Feature? feature)
+        {
+            Assert.NotNull(feature);
+            Assert.Equal("XXXXXX", feature.Name);
+            Assert.Equal("XXXXXX", feature.Value);
+        }
+
+        /// <summary>
+        /// Validate a DataArea
+        /// </summary>
+        private static void Validate(Models.SoftwareList.DataArea? dataarea)
+        {
+            Assert.NotNull(dataarea);
+            Assert.Equal("XXXXXX", dataarea.Name);
+            Assert.Equal("XXXXXX", dataarea.Size);
+            Assert.Equal("XXXXXX", dataarea.Width);
+            Assert.Equal("XXXXXX", dataarea.Endianness);
+
+            Assert.NotNull(dataarea.Rom);
+            var rom = Assert.Single(dataarea.Rom);
+            Validate(rom);
+        }
+
+        /// <summary>
+        /// Validate a Rom
+        /// </summary>
+        private static void Validate(Models.SoftwareList.Rom? rom)
+        {
+            Assert.NotNull(rom);
+            Assert.Equal("XXXXXX", rom.Name);
+            Assert.Equal("XXXXXX", rom.Size);
+            Assert.Equal("XXXXXX", rom.Length);
+            Assert.Equal("XXXXXX", rom.CRC);
+            Assert.Equal("XXXXXX", rom.SHA1);
+            Assert.Equal("XXXXXX", rom.Offset);
+            Assert.Equal("XXXXXX", rom.Value);
+            Assert.Equal("XXXXXX", rom.Status);
+            Assert.Equal("XXXXXX", rom.LoadFlag);
+        }
+
+        /// <summary>
+        /// Validate a DiskArea
+        /// </summary>
+        private static void Validate(Models.SoftwareList.DiskArea? diskarea)
+        {
+            Assert.NotNull(diskarea);
+            Assert.Equal("XXXXXX", diskarea.Name);
+
+            Assert.NotNull(diskarea.Disk);
+            var disk = Assert.Single(diskarea.Disk);
+            Validate(disk);
+        }
+
+        /// <summary>
+        /// Validate a Disk
+        /// </summary>
+        private static void Validate(Models.SoftwareList.Disk? disk)
+        {
+            Assert.NotNull(disk);
+            Assert.Equal("XXXXXX", disk.Name);
+            Assert.Equal("XXXXXX", disk.MD5);
+            Assert.Equal("XXXXXX", disk.SHA1);
+            Assert.Equal("XXXXXX", disk.Status);
+            Assert.Equal("XXXXXX", disk.Writeable);
+        }
+
+        /// <summary>
+        /// Validate a DipSwitch
+        /// </summary>
+        private static void Validate(Models.SoftwareList.DipSwitch? dipswitch)
+        {
+            Assert.NotNull(dipswitch);
+            Assert.Equal("XXXXXX", dipswitch.Name);
+            Assert.Equal("XXXXXX", dipswitch.Tag);
+            Assert.Equal("XXXXXX", dipswitch.Mask);
+
+            Assert.NotNull(dipswitch.DipValue);
+            var dipvalue = Assert.Single(dipswitch.DipValue);
+            Validate(dipvalue);
+        }
+
+        /// <summary>
+        /// Validate a DipValue
+        /// </summary>
+        private static void Validate(Models.SoftwareList.DipValue? dipvalue)
+        {
+            Assert.NotNull(dipvalue);
+            Assert.Equal("XXXXXX", dipvalue.Name);
+            Assert.Equal("XXXXXX", dipvalue.Value);
+            Assert.Equal("XXXXXX", dipvalue.Default);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/AACSTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class AACSTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new AACS();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new AACS();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new AACS();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new AACS();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new AACS();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new AACS();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/AppPkgHeaderTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class AppPkgHeaderTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new AppPkgHeader();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new AppPkgHeader();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new AppPkgHeader();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new AppPkgHeader();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new AppPkgHeader();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new AppPkgHeader();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/ArchiveDotOrgTests.cs

@@ -0,0 +1,241 @@
+using System;
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class ArchiveDotOrgTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new ArchiveDotOrg();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new ArchiveDotOrg();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new ArchiveDotOrg();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new ArchiveDotOrg();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new ArchiveDotOrg();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new ArchiveDotOrg();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.ArchiveDotOrg();
+            var serializer = new Serialization.Serializers.ArchiveDotOrg();
+
+            // Build the data
+            Models.ArchiveDotOrg.Files files = Build();
+
+            // Serialize to stream
+            Stream? actual = serializer.Serialize(files);
+            Assert.NotNull(actual);
+
+            // Serialize back to original model
+            Models.ArchiveDotOrg.Files? newFiles = deserializer.Deserialize(actual);
+
+            // Validate the data
+            Assert.NotNull(newFiles);
+            Assert.NotNull(newFiles.File);
+            var newFile = Assert.Single(newFiles.File);
+            Validate(newFile);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.ArchiveDotOrg.Files Build()
+        {
+            var file = new Models.ArchiveDotOrg.File
+            {
+                Name = "XXXXXX",
+                Source = "XXXXXX",
+                BitTorrentMagnetHash = "XXXXXX",
+                LastModifiedTime = "XXXXXX",
+                Size = "XXXXXX",
+                MD5 = "XXXXXX",
+                CRC32 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                FileCount = "XXXXXX",
+                Format = "XXXXXX",
+                Original = "XXXXXX",
+                Summation = "XXXXXX",
+                MatrixNumber = "XXXXXX",
+                CollectionCatalogNumber = "XXXXXX",
+                Publisher = "XXXXXX",
+                Comment = "XXXXXX",
+                ASRDetectedLang = "XXXXXX",
+                ASRDetectedLangConf = "XXXXXX",
+                ASRTranscribedLang = "XXXXXX",
+                WhisperASRModuleVersion = "XXXXXX",
+                WhisperModelHash = "XXXXXX",
+                WhisperModelName = "XXXXXX",
+                WhisperVersion = "XXXXXX",
+                ClothCoverDetectionModuleVersion = "XXXXXX",
+                hOCRCharToWordhOCRVersion = "XXXXXX",
+                hOCRCharToWordModuleVersion = "XXXXXX",
+                hOCRFtsTexthOCRVersion = "XXXXXX",
+                hOCRFtsTextModuleVersion = "XXXXXX",
+                hOCRPageIndexhOCRVersion = "XXXXXX",
+                hOCRPageIndexModuleVersion = "XXXXXX",
+                TesseractOCR = "XXXXXX",
+                TesseractOCRConverted = "XXXXXX",
+                TesseractOCRDetectedLang = "XXXXXX",
+                TesseractOCRDetectedLangConf = "XXXXXX",
+                TesseractOCRDetectedScript = "XXXXXX",
+                TesseractOCRDetectedScriptConf = "XXXXXX",
+                TesseractOCRModuleVersion = "XXXXXX",
+                TesseractOCRParameters = "XXXXXX",
+                PDFModuleVersion = "XXXXXX",
+                WordConfidenceInterval0To10 = "XXXXXX",
+                WordConfidenceInterval11To20 = "XXXXXX",
+                WordConfidenceInterval21To30 = "XXXXXX",
+                WordConfidenceInterval31To40 = "XXXXXX",
+                WordConfidenceInterval41To50 = "XXXXXX",
+                WordConfidenceInterval51To60 = "XXXXXX",
+                WordConfidenceInterval61To70 = "XXXXXX",
+                WordConfidenceInterval71To80 = "XXXXXX",
+                WordConfidenceInterval81To90 = "XXXXXX",
+                WordConfidenceInterval91To100 = "XXXXXX",
+                Album = "XXXXXX",
+                Artist = "XXXXXX",
+                Bitrate = "XXXXXX",
+                Creator = "XXXXXX",
+                Height = "XXXXXX",
+                Length = "XXXXXX",
+                PreviewImage = "XXXXXX",
+                Rotation = "XXXXXX",
+                Title = "XXXXXX",
+                Track = "XXXXXX",
+                Width = "XXXXXX",
+            };
+
+            return new Models.ArchiveDotOrg.Files
+            {
+                File = [file]
+            };
+        }
+
+        /// <summary>
+        /// Validate a File
+        /// </summary>
+        private static void Validate(Models.ArchiveDotOrg.File? file)
+        {
+            Assert.NotNull(file);
+            Assert.Equal("XXXXXX", file.Name);
+            Assert.Equal("XXXXXX", file.Source);
+            Assert.Equal("XXXXXX", file.BitTorrentMagnetHash);
+            Assert.Equal("XXXXXX", file.LastModifiedTime);
+            Assert.Equal("XXXXXX", file.Size);
+            Assert.Equal("XXXXXX", file.MD5);
+            Assert.Equal("XXXXXX", file.CRC32);
+            Assert.Equal("XXXXXX", file.SHA1);
+            Assert.Equal("XXXXXX", file.FileCount);
+            Assert.Equal("XXXXXX", file.Format);
+            Assert.Equal("XXXXXX", file.Original);
+            Assert.Equal("XXXXXX", file.Summation);
+            Assert.Equal("XXXXXX", file.MatrixNumber);
+            Assert.Equal("XXXXXX", file.CollectionCatalogNumber);
+            Assert.Equal("XXXXXX", file.Publisher);
+            Assert.Equal("XXXXXX", file.Comment);
+            Assert.Equal("XXXXXX", file.ASRDetectedLang);
+            Assert.Equal("XXXXXX", file.ASRDetectedLangConf);
+            Assert.Equal("XXXXXX", file.ASRTranscribedLang);
+            Assert.Equal("XXXXXX", file.WhisperASRModuleVersion);
+            Assert.Equal("XXXXXX", file.WhisperModelHash);
+            Assert.Equal("XXXXXX", file.WhisperModelName);
+            Assert.Equal("XXXXXX", file.WhisperVersion);
+            Assert.Equal("XXXXXX", file.ClothCoverDetectionModuleVersion);
+            Assert.Equal("XXXXXX", file.hOCRCharToWordhOCRVersion);
+            Assert.Equal("XXXXXX", file.hOCRCharToWordModuleVersion);
+            Assert.Equal("XXXXXX", file.hOCRFtsTexthOCRVersion);
+            Assert.Equal("XXXXXX", file.hOCRFtsTextModuleVersion);
+            Assert.Equal("XXXXXX", file.hOCRPageIndexhOCRVersion);
+            Assert.Equal("XXXXXX", file.hOCRPageIndexModuleVersion);
+            Assert.Equal("XXXXXX", file.TesseractOCR);
+            Assert.Equal("XXXXXX", file.TesseractOCRConverted);
+            Assert.Equal("XXXXXX", file.TesseractOCRDetectedLang);
+            Assert.Equal("XXXXXX", file.TesseractOCRDetectedLangConf);
+            Assert.Equal("XXXXXX", file.TesseractOCRDetectedScript);
+            Assert.Equal("XXXXXX", file.TesseractOCRDetectedScriptConf);
+            Assert.Equal("XXXXXX", file.TesseractOCRModuleVersion);
+            Assert.Equal("XXXXXX", file.TesseractOCRParameters);
+            Assert.Equal("XXXXXX", file.PDFModuleVersion);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval0To10);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval11To20);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval21To30);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval31To40);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval41To50);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval51To60);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval61To70);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval71To80);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval81To90);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval91To100);
+            Assert.Equal("XXXXXX", file.Album);
+            Assert.Equal("XXXXXX", file.Artist);
+            Assert.Equal("XXXXXX", file.Bitrate);
+            Assert.Equal("XXXXXX", file.Creator);
+            Assert.Equal("XXXXXX", file.Height);
+            Assert.Equal("XXXXXX", file.Length);
+            Assert.Equal("XXXXXX", file.PreviewImage);
+            Assert.Equal("XXXXXX", file.Rotation);
+            Assert.Equal("XXXXXX", file.Title);
+            Assert.Equal("XXXXXX", file.Track);
+            Assert.Equal("XXXXXX", file.Width);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/AttractModeTests.cs

@@ -0,0 +1,217 @@
+using System;
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class AttractModeTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new AttractMode();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new AttractMode();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new AttractMode();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new AttractMode();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new AttractMode();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            var data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new AttractMode();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void RoundTripShortTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.AttractMode();
+            var serializer = new Serialization.Serializers.AttractMode();
+
+            // Build the data
+            Models.AttractMode.MetadataFile mf = Build();
+
+            // Serialize to stream
+            Stream? actual = serializer.Serialize(mf, longHeader: false);
+            Assert.NotNull(actual);
+
+            // Serialize back to original model
+            Models.AttractMode.MetadataFile? newMf = deserializer.Deserialize(actual);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Validate(newMf.Header, longHeader: false);
+            Assert.NotNull(newMf.Row);
+            var newRow = Assert.Single(newMf.Row);
+            Validate(newRow, longHeader: false);
+        }
+
+        [Fact]
+        public void RoundTripLongTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.AttractMode();
+            var serializer = new Serialization.Serializers.AttractMode();
+
+            // Build the data
+            Models.AttractMode.MetadataFile mf = Build();
+
+            // Serialize to stream
+            Stream? actual = serializer.Serialize(mf, longHeader: true);
+            Assert.NotNull(actual);
+
+            // Serialize back to original model
+            Models.AttractMode.MetadataFile? newMf = deserializer.Deserialize(actual);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Validate(newMf.Header, longHeader: true);
+            Assert.NotNull(newMf.Row);
+            var newRow = Assert.Single(newMf.Row);
+            Validate(newRow, longHeader: true);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.AttractMode.MetadataFile Build()
+        {
+            string[] header = ["header"];
+
+            var row = new Models.AttractMode.Row
+            {
+                Name = "XXXXXX",
+                Title = "XXXXXX",
+                Emulator = "XXXXXX",
+                CloneOf = "XXXXXX",
+                Year = "XXXXXX",
+                Manufacturer = "XXXXXX",
+                Category = "XXXXXX",
+                Players = "XXXXXX",
+                Rotation = "XXXXXX",
+                Control = "XXXXXX",
+                Status = "XXXXXX",
+                DisplayCount = "XXXXXX",
+                DisplayType = "XXXXXX",
+                AltRomname = "XXXXXX",
+                AltTitle = "XXXXXX",
+                Extra = "XXXXXX",
+                Buttons = "XXXXXX",
+                Favorite = "XXXXXX",
+                Tags = "XXXXXX",
+                PlayedCount = "XXXXXX",
+                PlayedTime = "XXXXXX",
+                FileIsAvailable = "XXXXXX",
+            };
+
+            return new Models.AttractMode.MetadataFile
+            {
+                Header = header,
+                Row = [row],
+            };
+        }
+
+        /// <summary>
+        /// Validate a header
+        /// </summary>
+        private static void Validate(string[]? header, bool longHeader)
+        {
+            Assert.NotNull(header);
+            if (longHeader)
+                Assert.True(Serialization.Serializers.AttractMode.HeaderArrayWithRomname.SequenceEqual(header));
+            else
+                Assert.True(Serialization.Serializers.AttractMode.HeaderArrayWithoutRomname.SequenceEqual(header));
+        }
+
+        /// <summary>
+        /// Validate a Row
+        /// </summary>
+        private static void Validate(Models.AttractMode.Row? row, bool longHeader)
+        {
+            Assert.NotNull(row);
+            Assert.Equal("XXXXXX", row.Name);
+            Assert.Equal("XXXXXX", row.Title);
+            Assert.Equal("XXXXXX", row.Emulator);
+            Assert.Equal("XXXXXX", row.CloneOf);
+            Assert.Equal("XXXXXX", row.Year);
+            Assert.Equal("XXXXXX", row.Manufacturer);
+            Assert.Equal("XXXXXX", row.Category);
+            Assert.Equal("XXXXXX", row.Players);
+            Assert.Equal("XXXXXX", row.Rotation);
+            Assert.Equal("XXXXXX", row.Control);
+            Assert.Equal("XXXXXX", row.Status);
+            Assert.Equal("XXXXXX", row.DisplayCount);
+            Assert.Equal("XXXXXX", row.DisplayType);
+            Assert.Equal("XXXXXX", row.AltRomname);
+            Assert.Equal("XXXXXX", row.AltTitle);
+            Assert.Equal("XXXXXX", row.Extra);
+            Assert.Equal("XXXXXX", row.Buttons);
+            if (longHeader)
+            {
+                Assert.Equal("XXXXXX", row.Favorite);
+                Assert.Equal("XXXXXX", row.Tags);
+                Assert.Equal("XXXXXX", row.PlayedCount);
+                Assert.Equal("XXXXXX", row.PlayedTime);
+                Assert.Equal("XXXXXX", row.FileIsAvailable);
+            }
+            else
+            {
+                Assert.Null(row.Favorite);
+                Assert.Null(row.Tags);
+                Assert.Null(row.PlayedCount);
+                Assert.Null(row.PlayedTime);
+                Assert.Null(row.FileIsAvailable);
+            }
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/BDPlusTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class BDPlusTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new BDPlus();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new BDPlus();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new BDPlus();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new BDPlus();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new BDPlus();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new BDPlus();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/BFPKTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class BFPKTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new BFPK();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new BFPK();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new BFPK();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new BFPK();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new BFPK();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new BFPK();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/BSPTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class BSPTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new BSP();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new BSP();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new BSP();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new BSP();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new BSP();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new BSP();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/CFBTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class CFBTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new CFB();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new CFB();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new CFB();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new CFB();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new CFB();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new CFB();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/CHDTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class CHDTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new CHD();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new CHD();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new CHD();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new CHD();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new CHD();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new CHD();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/CIATests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class CIATests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new CIA();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new CIA();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new CIA();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new CIA();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new CIA();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new CIA();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/CatalogTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class CatalogTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new Catalog();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new Catalog();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new Catalog();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new Catalog();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new Catalog();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new Catalog();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/ClrMameProTests.cs

@@ -0,0 +1,610 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class ClrMameProTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new ClrMamePro();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new ClrMamePro();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new ClrMamePro();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new ClrMamePro();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new ClrMamePro();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new ClrMamePro();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void RoundTripGameTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.ClrMamePro();
+            var serializer = new Serialization.Serializers.ClrMamePro();
+
+            // Build the data
+            Models.ClrMamePro.MetadataFile mf = Build(game: true);
+
+            // Serialize to stream
+            Stream? actual = serializer.Serialize(mf);
+            Assert.NotNull(actual);
+
+            // Serialize back to original model
+            Models.ClrMamePro.MetadataFile? newMf = deserializer.Deserialize(actual);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Validate(newMf.ClrMamePro);
+            Assert.NotNull(newMf.Game);
+            var newGame = Assert.Single(newMf.Game);
+            Validate(newGame);
+        }
+
+        [Fact]
+        public void RoundTripGameWithoutQuotesTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.ClrMamePro();
+            var serializer = new Serialization.Serializers.ClrMamePro();
+
+            // Build the data
+            Models.ClrMamePro.MetadataFile mf = Build(game: true);
+
+            // Serialize to stream
+            Stream? actual = serializer.Serialize(mf, quotes: false);
+            Assert.NotNull(actual);
+
+            // Serialize back to original model
+            Models.ClrMamePro.MetadataFile? newMf = deserializer.Deserialize(actual);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Validate(newMf.ClrMamePro);
+            Assert.NotNull(newMf.Game);
+            var newGame = Assert.Single(newMf.Game);
+            Validate(newGame);
+        }
+
+        [Fact]
+        public void RoundTripMachineTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.ClrMamePro();
+            var serializer = new Serialization.Serializers.ClrMamePro();
+
+            // Build the data
+            Models.ClrMamePro.MetadataFile mf = Build(game: false);
+
+            // Serialize to stream
+            Stream? actual = serializer.Serialize(mf);
+            Assert.NotNull(actual);
+
+            // Serialize back to original model
+            Models.ClrMamePro.MetadataFile? newMf = deserializer.Deserialize(actual);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Validate(newMf.ClrMamePro);
+            Assert.NotNull(newMf.Game);
+            var newGame = Assert.Single(newMf.Game);
+            Validate(newGame);
+        }
+
+        [Fact]
+        public void RoundTripMachineWithoutQuotesTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.ClrMamePro();
+            var serializer = new Serialization.Serializers.ClrMamePro();
+
+            // Build the data
+            Models.ClrMamePro.MetadataFile mf = Build(game: false);
+
+            // Serialize to stream
+            Stream? actual = serializer.Serialize(mf, quotes: false);
+            Assert.NotNull(actual);
+
+            // Serialize back to original model
+            Models.ClrMamePro.MetadataFile? newMf = deserializer.Deserialize(actual);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Validate(newMf.ClrMamePro);
+            Assert.NotNull(newMf.Game);
+            var newGame = Assert.Single(newMf.Game);
+            Validate(newGame);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.ClrMamePro.MetadataFile Build(bool game)
+        {
+            var cmp = new Models.ClrMamePro.ClrMamePro
+            {
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                RootDir = "XXXXXX",
+                Category = "XXXXXX",
+                Version = "XXXXXX",
+                Date = "XXXXXX",
+                Author = "XXXXXX",
+                Homepage = "XXXXXX",
+                Url = "XXXXXX",
+                Comment = "XXXXXX",
+                Header = "XXXXXX",
+                Type = "XXXXXX",
+                ForceMerging = "XXXXXX",
+                ForceZipping = "XXXXXX",
+                ForcePacking = "XXXXXX",
+            };
+
+            var release = new Models.ClrMamePro.Release
+            {
+                Name = "XXXXXX",
+                Region = "XXXXXX",
+                Language = "XXXXXX",
+                Date = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var biosset = new Models.ClrMamePro.BiosSet
+            {
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var rom = new Models.ClrMamePro.Rom
+            {
+                Name = "XXXXXX",
+                Size = "XXXXXX",
+                CRC = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Merge = "XXXXXX",
+                Status = "XXXXXX",
+                Flags = "XXXXXX",
+                Date = "XXXXXX",
+                SHA256 = "XXXXXX",
+                SHA384 = "XXXXXX",
+                SHA512 = "XXXXXX",
+                SpamSum = "XXXXXX",
+                xxHash364 = "XXXXXX",
+                xxHash3128 = "XXXXXX",
+                Region = "XXXXXX",
+                Offs = "XXXXXX",
+                Serial = "XXXXXX",
+                Header = "XXXXXX",
+                Inverted = "XXXXXX",
+                MIA = "XXXXXX",
+            };
+
+            var disk = new Models.ClrMamePro.Disk
+            {
+                Name = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Merge = "XXXXXX",
+                Status = "XXXXXX",
+                Flags = "XXXXXX",
+            };
+
+            var sample = new Models.ClrMamePro.Sample
+            {
+                Name = "XXXXXX",
+            };
+
+            var archive = new Models.ClrMamePro.Archive
+            {
+                Name = "XXXXXX",
+            };
+
+            var media = new Models.ClrMamePro.Media
+            {
+                Name = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                SHA256 = "XXXXXX",
+                SpamSum = "XXXXXX",
+            };
+
+            var chip = new Models.ClrMamePro.Chip
+            {
+                Type = "XXXXXX",
+                Name = "XXXXXX",
+                Flags = "XXXXXX",
+                Clock = "XXXXXX",
+            };
+
+            var video = new Models.ClrMamePro.Video
+            {
+                Screen = "XXXXXX",
+                Orientation = "XXXXXX",
+                X = "XXXXXX",
+                Y = "XXXXXX",
+                AspectX = "XXXXXX",
+                AspectY = "XXXXXX",
+                Freq = "XXXXXX",
+            };
+
+            var sound = new Models.ClrMamePro.Sound
+            {
+                Channels = "XXXXXX",
+            };
+
+            var input = new Models.ClrMamePro.Input
+            {
+                Players = "XXXXXX",
+                Control = "XXXXXX",
+                Buttons = "XXXXXX",
+                Coins = "XXXXXX",
+                Tilt = "XXXXXX",
+                Service = "XXXXXX",
+            };
+
+            var dipswitch = new Models.ClrMamePro.DipSwitch
+            {
+                Name = "XXXXXX",
+                Entry = ["XXXXXX"],
+                Default = "XXXXXX",
+            };
+
+            var driver = new Models.ClrMamePro.Driver
+            {
+                Status = "XXXXXX",
+                Color = "XXXXXX",
+                Sound = "XXXXXX",
+                PaletteSize = "XXXXXX",
+                Blit = "XXXXXX",
+            };
+
+            // TODO: This omits Set, should that have a separate case?
+            Models.ClrMamePro.GameBase gameBase = game
+                ? new Models.ClrMamePro.Game()
+                : new Models.ClrMamePro.Machine();
+            gameBase.Name = "XXXXXX";
+            gameBase.Description = "XXXXXX";
+            gameBase.Year = "XXXXXX";
+            gameBase.Manufacturer = "XXXXXX";
+            gameBase.Category = "XXXXXX";
+            gameBase.CloneOf = "XXXXXX";
+            gameBase.RomOf = "XXXXXX";
+            gameBase.SampleOf = "XXXXXX";
+            gameBase.Release = [release];
+            gameBase.BiosSet = [biosset];
+            gameBase.Rom = [rom];
+            gameBase.Disk = [disk];
+            gameBase.Sample = [sample];
+            gameBase.Archive = [archive];
+            gameBase.Media = [media];
+            gameBase.Chip = [chip];
+            gameBase.Video = [video];
+            gameBase.Sound = sound;
+            gameBase.Input = input;
+            gameBase.DipSwitch = [dipswitch];
+            gameBase.Driver = driver;
+
+            return new Models.ClrMamePro.MetadataFile
+            {
+                ClrMamePro = cmp,
+                Game = [gameBase],
+            };
+        }
+
+        /// <summary>
+        /// Validate a ClrMamePro
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.ClrMamePro? cmp)
+        {
+            Assert.NotNull(cmp);
+            Assert.Equal("XXXXXX", cmp.Name);
+            Assert.Equal("XXXXXX", cmp.Description);
+            Assert.Equal("XXXXXX", cmp.RootDir);
+            Assert.Equal("XXXXXX", cmp.Category);
+            Assert.Equal("XXXXXX", cmp.Version);
+            Assert.Equal("XXXXXX", cmp.Date);
+            Assert.Equal("XXXXXX", cmp.Author);
+            Assert.Equal("XXXXXX", cmp.Homepage);
+            Assert.Equal("XXXXXX", cmp.Url);
+            Assert.Equal("XXXXXX", cmp.Comment);
+            Assert.Equal("XXXXXX", cmp.Header);
+            Assert.Equal("XXXXXX", cmp.Type);
+            Assert.Equal("XXXXXX", cmp.ForceMerging);
+            Assert.Equal("XXXXXX", cmp.ForceZipping);
+            Assert.Equal("XXXXXX", cmp.ForcePacking);
+        }
+
+        /// <summary>
+        /// Validate a GameBase
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.GameBase? gb)
+        {
+            Assert.NotNull(gb);
+            Assert.Equal("XXXXXX", gb.Name);
+            Assert.Equal("XXXXXX", gb.Description);
+            Assert.Equal("XXXXXX", gb.Year);
+            Assert.Equal("XXXXXX", gb.Manufacturer);
+            Assert.Equal("XXXXXX", gb.Category);
+            Assert.Equal("XXXXXX", gb.CloneOf);
+            Assert.Equal("XXXXXX", gb.RomOf);
+            Assert.Equal("XXXXXX", gb.SampleOf);
+
+            Assert.NotNull(gb.Release);
+            var release = Assert.Single(gb.Release);
+            Validate(release);
+
+            Assert.NotNull(gb.BiosSet);
+            var biosset = Assert.Single(gb.BiosSet);
+            Validate(biosset);
+
+            Assert.NotNull(gb.Rom);
+            var rom = Assert.Single(gb.Rom);
+            Validate(rom);
+
+            Assert.NotNull(gb.Disk);
+            var disk = Assert.Single(gb.Disk);
+            Validate(disk);
+
+            Assert.NotNull(gb.Sample);
+            var sample = Assert.Single(gb.Sample);
+            Validate(sample);
+
+            Assert.NotNull(gb.Archive);
+            var archive = Assert.Single(gb.Archive);
+            Validate(archive);
+
+            Assert.NotNull(gb.Media);
+            var media = Assert.Single(gb.Media);
+            Validate(media);
+
+            Assert.NotNull(gb.Chip);
+            var chip = Assert.Single(gb.Chip);
+            Validate(chip);
+
+            Assert.NotNull(gb.Video);
+            var video = Assert.Single(gb.Video);
+            Validate(video);
+
+            Validate(gb.Sound);
+            Validate(gb.Input);
+
+            Assert.NotNull(gb.DipSwitch);
+            var dipswitch = Assert.Single(gb.DipSwitch);
+            Validate(dipswitch);
+
+            Validate(gb.Driver);
+        }
+
+        /// <summary>
+        /// Validate a Release
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Release? release)
+        {
+            Assert.NotNull(release);
+            Assert.Equal("XXXXXX", release.Name);
+            Assert.Equal("XXXXXX", release.Region);
+            Assert.Equal("XXXXXX", release.Language);
+            Assert.Equal("XXXXXX", release.Date);
+            Assert.Equal("XXXXXX", release.Default);
+        }
+
+        /// <summary>
+        /// Validate a BiosSet
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.BiosSet? biosset)
+        {
+            Assert.NotNull(biosset);
+            Assert.Equal("XXXXXX", biosset.Name);
+            Assert.Equal("XXXXXX", biosset.Description);
+            Assert.Equal("XXXXXX", biosset.Default);
+        }
+
+        /// <summary>
+        /// Validate a Rom
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Rom? rom)
+        {
+            Assert.NotNull(rom);
+            Assert.Equal("XXXXXX", rom.Name);
+            Assert.Equal("XXXXXX", rom.Size);
+            Assert.Equal("XXXXXX", rom.CRC);
+            Assert.Equal("XXXXXX", rom.MD5);
+            Assert.Equal("XXXXXX", rom.SHA1);
+            Assert.Equal("XXXXXX", rom.Merge);
+            Assert.Equal("XXXXXX", rom.Status);
+            Assert.Equal("XXXXXX", rom.Flags);
+            Assert.Equal("XXXXXX", rom.Date);
+            Assert.Equal("XXXXXX", rom.SHA256);
+            Assert.Equal("XXXXXX", rom.SHA384);
+            Assert.Equal("XXXXXX", rom.SHA512);
+            Assert.Equal("XXXXXX", rom.SpamSum);
+            Assert.Equal("XXXXXX", rom.xxHash364);
+            Assert.Equal("XXXXXX", rom.xxHash3128);
+            Assert.Equal("XXXXXX", rom.Region);
+            Assert.Equal("XXXXXX", rom.Offs);
+            Assert.Equal("XXXXXX", rom.Serial);
+            Assert.Equal("XXXXXX", rom.Header);
+            Assert.Equal("XXXXXX", rom.Inverted);
+            Assert.Equal("XXXXXX", rom.MIA);
+        }
+
+        /// <summary>
+        /// Validate a Disk
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Disk? disk)
+        {
+            Assert.NotNull(disk);
+            Assert.Equal("XXXXXX", disk.Name);
+            Assert.Equal("XXXXXX", disk.MD5);
+            Assert.Equal("XXXXXX", disk.SHA1);
+            Assert.Equal("XXXXXX", disk.Merge);
+            Assert.Equal("XXXXXX", disk.Status);
+            Assert.Equal("XXXXXX", disk.Flags);
+        }
+
+        /// <summary>
+        /// Validate a Sample
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Sample? sample)
+        {
+            Assert.NotNull(sample);
+            Assert.Equal("XXXXXX", sample.Name);
+        }
+
+        /// <summary>
+        /// Validate a Archive
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Archive? archive)
+        {
+            Assert.NotNull(archive);
+            Assert.Equal("XXXXXX", archive.Name);
+        }
+
+        /// <summary>
+        /// Validate a Media
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Media? media)
+        {
+            Assert.NotNull(media);
+            Assert.Equal("XXXXXX", media.Name);
+            Assert.Equal("XXXXXX", media.MD5);
+            Assert.Equal("XXXXXX", media.SHA1);
+            Assert.Equal("XXXXXX", media.SHA256);
+            Assert.Equal("XXXXXX", media.SpamSum);
+        }
+
+        /// <summary>
+        /// Validate a Chip
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Chip? chip)
+        {
+            Assert.NotNull(chip);
+            Assert.Equal("XXXXXX", chip.Type);
+            Assert.Equal("XXXXXX", chip.Name);
+            Assert.Equal("XXXXXX", chip.Flags);
+            Assert.Equal("XXXXXX", chip.Clock);
+        }
+
+        /// <summary>
+        /// Validate a Video
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Video? video)
+        {
+            Assert.NotNull(video);
+            Assert.Equal("XXXXXX", video.Screen);
+            Assert.Equal("XXXXXX", video.Orientation);
+            Assert.Equal("XXXXXX", video.X);
+            Assert.Equal("XXXXXX", video.Y);
+            Assert.Equal("XXXXXX", video.AspectX);
+            Assert.Equal("XXXXXX", video.AspectY);
+            Assert.Equal("XXXXXX", video.Freq);
+        }
+
+        /// <summary>
+        /// Validate a Sound
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Sound? sound)
+        {
+            Assert.NotNull(sound);
+            Assert.Equal("XXXXXX", sound.Channels);
+        }
+
+        /// <summary>
+        /// Validate a Input
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Input? input)
+        {
+            Assert.NotNull(input);
+            Assert.Equal("XXXXXX", input.Players);
+            Assert.Equal("XXXXXX", input.Control);
+            Assert.Equal("XXXXXX", input.Buttons);
+            Assert.Equal("XXXXXX", input.Coins);
+            Assert.Equal("XXXXXX", input.Tilt);
+            Assert.Equal("XXXXXX", input.Service);
+        }
+
+        /// <summary>
+        /// Validate a DipSwitch
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.DipSwitch? dipswitch)
+        {
+            Assert.NotNull(dipswitch);
+            Assert.Equal("XXXXXX", dipswitch.Name);
+
+            Assert.NotNull(dipswitch.Entry);
+            string entry = Assert.Single(dipswitch.Entry);
+            Assert.Equal("XXXXXX", entry);
+
+            Assert.Equal("XXXXXX", dipswitch.Default);
+        }
+
+        /// <summary>
+        /// Validate a Driver
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Driver? driver)
+        {
+            Assert.NotNull(driver);
+            Assert.Equal("XXXXXX", driver.Status);
+            Assert.Equal("XXXXXX", driver.Color);
+            Assert.Equal("XXXXXX", driver.Sound);
+            Assert.Equal("XXXXXX", driver.PaletteSize);
+            Assert.Equal("XXXXXX", driver.Blit);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/CueSheetTests.cs

@@ -0,0 +1,118 @@
+using System;
+using System.IO;
+using System.Linq;
+using System.Text;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class CueSheetTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new CueSheet();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new CueSheet();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new CueSheet();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new CueSheet();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new CueSheet();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new CueSheet();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        #region ReadQuotedString
+
+        [Fact]
+        public void ReadQuotedString_EmptyReader_Throws()
+        {
+            byte[] data = Encoding.UTF8.GetBytes(string.Empty);
+            var stream = new MemoryStream(data);
+            var reader = new StreamReader(stream, Encoding.UTF8);
+            Assert.Throws<ArgumentNullException>(() => CueSheet.ReadQuotedString(reader));
+        }
+
+        [Fact]
+        public void ReadQuotedString_NoQuotes_Correct()
+        {
+            byte[] data = Encoding.UTF8.GetBytes("Test1 Test2");
+            var stream = new MemoryStream(data);
+            var reader = new StreamReader(stream, Encoding.UTF8);
+            string? actual = CueSheet.ReadQuotedString(reader);
+            Assert.Equal("Test1 Test2", actual);
+        }
+
+        [Fact]
+        public void ReadQuotedString_SingleLineQuotes_Correct()
+        {
+            byte[] data = Encoding.UTF8.GetBytes("\"Test1 Test2\"");
+            var stream = new MemoryStream(data);
+            var reader = new StreamReader(stream, Encoding.UTF8);
+            string? actual = CueSheet.ReadQuotedString(reader);
+            Assert.Equal("\"Test1 Test2\"", actual);
+        }
+
+        [Fact]
+        public void ReadQuotedString_MultiLineQuotes_Correct()
+        {
+            byte[] data = Encoding.UTF8.GetBytes("\"Test1\nTest2\"");
+            var stream = new MemoryStream(data);
+            var reader = new StreamReader(stream, Encoding.UTF8);
+            string? actual = CueSheet.ReadQuotedString(reader);
+            Assert.Equal("\"Test1\nTest2\"", actual);
+        }
+
+        #endregion
+    }
+}

SabreTools.Serialization.Test/Deserializers/DosCenterTests.cs

@@ -0,0 +1,178 @@
+using System;
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class DosCenterTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new DosCenter();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new DosCenter();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new DosCenter();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new DosCenter();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new DosCenter();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new DosCenter();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.DosCenter();
+            var serializer = new Serialization.Serializers.DosCenter();
+
+            // Build the data
+            Models.DosCenter.MetadataFile mf = Build();
+
+            // Serialize to stream
+            Stream? actual = serializer.Serialize(mf);
+            Assert.NotNull(actual);
+
+            // Serialize back to original model
+            Models.DosCenter.MetadataFile? newMf = deserializer.Deserialize(actual);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Validate(newMf.DosCenter);
+            Assert.NotNull(newMf.Game);
+            var newGame = Assert.Single(newMf.Game);
+            Validate(newGame);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.DosCenter.MetadataFile Build()
+        {
+            var dc = new Models.DosCenter.DosCenter
+            {
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                Version = "XXXXXX",
+                Date = "XXXXXX",
+                Author = "XXXXXX",
+                Homepage = "XXXXXX",
+                Comment = "XXXXXX",
+            };
+
+            var file = new Models.DosCenter.File
+            {
+                Name = "XXXXXX",
+                Size = "XXXXXX",
+                CRC = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Date = "XXXXXX XXXXXX",
+            };
+
+            var game = new Models.DosCenter.Game
+            {
+                Name = "XXXXXX",
+                File = [file],
+            };
+
+            return new Models.DosCenter.MetadataFile
+            {
+                DosCenter = dc,
+                Game = [game],
+            };
+        }
+
+        /// <summary>
+        /// Validate a DosCenter
+        /// </summary>
+        private static void Validate(Models.DosCenter.DosCenter? cmp)
+        {
+            Assert.NotNull(cmp);
+            Assert.Equal("XXXXXX", cmp.Name);
+            Assert.Equal("XXXXXX", cmp.Description);
+            Assert.Equal("XXXXXX", cmp.Version);
+            Assert.Equal("XXXXXX", cmp.Date);
+            Assert.Equal("XXXXXX", cmp.Author);
+            Assert.Equal("XXXXXX", cmp.Homepage);
+            Assert.Equal("XXXXXX", cmp.Comment);
+        }
+
+        /// <summary>
+        /// Validate a Game
+        /// </summary>
+        private static void Validate(Models.DosCenter.Game? game)
+        {
+            Assert.NotNull(game);
+            Assert.Equal("XXXXXX", game.Name);
+
+            Assert.NotNull(game.File);
+            var file = Assert.Single(game.File);
+            Validate(file);
+        }
+
+        /// <summary>
+        /// Validate a File
+        /// </summary>
+        private static void Validate(Models.DosCenter.File? rom)
+        {
+            Assert.NotNull(rom);
+            Assert.Equal("XXXXXX", rom.Name);
+            Assert.Equal("XXXXXX", rom.Size);
+            Assert.Equal("XXXXXX", rom.CRC);
+            Assert.Equal("XXXXXX", rom.SHA1);
+            Assert.Equal("XXXXXX XXXXXX", rom.Date);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/EverdriveSMDBTests.cs

@@ -0,0 +1,133 @@
+using System;
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class EverdriveSMDBTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new EverdriveSMDB();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new EverdriveSMDB();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new EverdriveSMDB();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new EverdriveSMDB();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new EverdriveSMDB();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new EverdriveSMDB();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.EverdriveSMDB();
+            var serializer = new Serialization.Serializers.EverdriveSMDB();
+
+            // Build the data
+            Models.EverdriveSMDB.MetadataFile mf = Build();
+
+            // Serialize to stream
+            Stream? actual = serializer.Serialize(mf);
+            Assert.NotNull(actual);
+
+            // Serialize back to original model
+            Models.EverdriveSMDB.MetadataFile? newMf = deserializer.Deserialize(actual);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Assert.NotNull(newMf.Row);
+            var newRow = Assert.Single(newMf.Row);
+            Validate(newRow);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.EverdriveSMDB.MetadataFile Build()
+        {
+            var row = new Models.EverdriveSMDB.Row
+            {
+                SHA256 = "XXXXXX",
+                Name = "XXXXXX",
+                SHA1 = "XXXXXX",
+                MD5 = "XXXXXX",
+                CRC32 = "XXXXXX",
+                Size = "XXXXXX",
+            };
+
+            return new Models.EverdriveSMDB.MetadataFile
+            {
+                Row = [row],
+            };
+        }
+
+        /// <summary>
+        /// Validate a Row
+        /// </summary>
+        private static void Validate(Models.EverdriveSMDB.Row? row)
+        {
+            Assert.NotNull(row);
+            Assert.Equal("XXXXXX", row.SHA256);
+            Assert.Equal("XXXXXX", row.Name);
+            Assert.Equal("XXXXXX", row.SHA1);
+            Assert.Equal("XXXXXX", row.MD5);
+            Assert.Equal("XXXXXX", row.CRC32);
+            Assert.Equal("XXXXXX", row.Size);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/GCFTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class GCFTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new GCF();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new GCF();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new GCF();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new GCF();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new GCF();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new GCF();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/GZipTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class GZipTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new GZip();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new GZip();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new GZip();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new GZip();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new GZip();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new GZip();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/HashfileTests.cs

@@ -0,0 +1,401 @@
+using System;
+using System.IO;
+using System.Linq;
+using SabreTools.Hashing;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class HashfileTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new Hashfile();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new Hashfile();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new Hashfile();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new Hashfile();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new Hashfile();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new Hashfile();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void RoundTripSFVTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.Hashfile();
+            var serializer = new Serialization.Serializers.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.CRC32);
+
+            // Serialize to stream
+            Stream? actual = serializer.Serialize(hf, HashType.CRC32);
+            Assert.NotNull(actual);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = deserializer.Deserialize(actual, HashType.CRC32);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.SFV);
+            var newSfv = Assert.Single(newHf.SFV);
+            Validate(newSfv);
+        }
+
+        [Fact]
+        public void RoundTripMD2Test()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.Hashfile();
+            var serializer = new Serialization.Serializers.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.MD2);
+
+            // Serialize to stream
+            Stream? actual = serializer.Serialize(hf, HashType.MD2);
+            Assert.NotNull(actual);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = deserializer.Deserialize(actual, HashType.MD2);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.MD2);
+            var newMd2 = Assert.Single(newHf.MD2);
+            Validate(newMd2);
+        }
+
+        [Fact]
+        public void RoundTripMD4Test()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.Hashfile();
+            var serializer = new Serialization.Serializers.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.MD4);
+
+            // Serialize to stream
+            Stream? actual = serializer.Serialize(hf, HashType.MD4);
+            Assert.NotNull(actual);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = deserializer.Deserialize(actual, HashType.MD4);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.MD4);
+            var newMd4 = Assert.Single(newHf.MD4);
+            Validate(newMd4);
+        }
+
+        [Fact]
+        public void RoundTripMD5Test()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.Hashfile();
+            var serializer = new Serialization.Serializers.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.MD5);
+
+            // Serialize to stream
+            Stream? actual = serializer.Serialize(hf, HashType.MD5);
+            Assert.NotNull(actual);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = deserializer.Deserialize(actual, HashType.MD5);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.MD5);
+            var newMd5 = Assert.Single(newHf.MD5);
+            Validate(newMd5);
+        }
+
+        [Fact]
+        public void RoundTripSHA1Test()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.Hashfile();
+            var serializer = new Serialization.Serializers.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.SHA1);
+
+            // Serialize to stream
+            Stream? actual = serializer.Serialize(hf, HashType.SHA1);
+            Assert.NotNull(actual);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = deserializer.Deserialize(actual, HashType.SHA1);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.SHA1);
+            var newSha1 = Assert.Single(newHf.SHA1);
+            Validate(newSha1);
+        }
+
+        [Fact]
+        public void RoundTripSHA256Test()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.Hashfile();
+            var serializer = new Serialization.Serializers.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.SHA256);
+
+            // Serialize to stream
+            Stream? actual = serializer.Serialize(hf, HashType.SHA256);
+            Assert.NotNull(actual);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = deserializer.Deserialize(actual, HashType.SHA256);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.SHA256);
+            var newSha256 = Assert.Single(newHf.SHA256);
+            Validate(newSha256);
+        }
+
+        [Fact]
+        public void RoundTripSHA384Test()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.Hashfile();
+            var serializer = new Serialization.Serializers.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.SHA384);
+
+            // Serialize to stream
+            Stream? actual = serializer.Serialize(hf, HashType.SHA384);
+            Assert.NotNull(actual);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = deserializer.Deserialize(actual, HashType.SHA384);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.SHA384);
+            var newSha384 = Assert.Single(newHf.SHA384);
+            Validate(newSha384);
+        }
+
+        [Fact]
+        public void RoundTripSHA512Test()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.Hashfile();
+            var serializer = new Serialization.Serializers.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.SHA512);
+
+            // Serialize to stream
+            Stream? actual = serializer.Serialize(hf, HashType.SHA512);
+            Assert.NotNull(actual);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = deserializer.Deserialize(actual, HashType.SHA512);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.SHA512);
+            var newSha512 = Assert.Single(newHf.SHA512);
+            Validate(newSha512);
+        }
+
+        [Fact]
+        public void RoundTripSpamSumTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.Hashfile();
+            var serializer = new Serialization.Serializers.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.SpamSum);
+
+            // Serialize to stream
+            Stream? actual = serializer.Serialize(hf, HashType.SpamSum);
+            Assert.NotNull(actual);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = deserializer.Deserialize(actual, HashType.SpamSum);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.SpamSum);
+            var newSpamsum = Assert.Single(newHf.SpamSum);
+            Validate(newSpamsum);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.Hashfile.Hashfile Build(HashType hashType)
+        {
+            return hashType switch
+            {
+                HashType.CRC32 => new Models.Hashfile.Hashfile { SFV = [new Models.Hashfile.SFV { File = "XXXXXX", Hash = "XXXXXX" }] },
+                HashType.MD2 => new Models.Hashfile.Hashfile { MD2 = [new Models.Hashfile.MD2 { Hash = "XXXXXX", File = "XXXXXX" }] },
+                HashType.MD4 => new Models.Hashfile.Hashfile { MD4 = [new Models.Hashfile.MD4 { Hash = "XXXXXX", File = "XXXXXX" }] },
+                HashType.MD5 => new Models.Hashfile.Hashfile { MD5 = [new Models.Hashfile.MD5 { Hash = "XXXXXX", File = "XXXXXX" }] },
+                HashType.SHA1 => new Models.Hashfile.Hashfile { SHA1 = [new Models.Hashfile.SHA1 { Hash = "XXXXXX", File = "XXXXXX" }] },
+                HashType.SHA256 => new Models.Hashfile.Hashfile { SHA256 = [new Models.Hashfile.SHA256 { Hash = "XXXXXX", File = "XXXXXX" }] },
+                HashType.SHA384 => new Models.Hashfile.Hashfile { SHA384 = [new Models.Hashfile.SHA384 { Hash = "XXXXXX", File = "XXXXXX" }] },
+                HashType.SHA512 => new Models.Hashfile.Hashfile { SHA512 = [new Models.Hashfile.SHA512 { Hash = "XXXXXX", File = "XXXXXX" }] },
+                HashType.SpamSum => new Models.Hashfile.Hashfile { SpamSum = [new Models.Hashfile.SpamSum { Hash = "XXXXXX", File = "XXXXXX" }] },
+                _ => throw new ArgumentOutOfRangeException(),
+            };
+        }
+
+        /// <summary>
+        /// Validate a SFV
+        /// </summary>
+        private static void Validate(Models.Hashfile.SFV? sfv)
+        {
+            Assert.NotNull(sfv);
+            Assert.Equal("XXXXXX", sfv.File);
+            Assert.Equal("XXXXXX", sfv.Hash);
+        }
+
+        /// <summary>
+        /// Validate a MD2
+        /// </summary>
+        private static void Validate(Models.Hashfile.MD2? md2)
+        {
+            Assert.NotNull(md2);
+            Assert.Equal("XXXXXX", md2.Hash);
+            Assert.Equal("XXXXXX", md2.File);
+        }
+
+        /// <summary>
+        /// Validate a MD4
+        /// </summary>
+        private static void Validate(Models.Hashfile.MD4? md4)
+        {
+            Assert.NotNull(md4);
+            Assert.Equal("XXXXXX", md4.Hash);
+            Assert.Equal("XXXXXX", md4.File);
+        }
+
+        /// <summary>
+        /// Validate a MD5
+        /// </summary>
+        private static void Validate(Models.Hashfile.MD5? md5)
+        {
+            Assert.NotNull(md5);
+            Assert.Equal("XXXXXX", md5.Hash);
+            Assert.Equal("XXXXXX", md5.File);
+        }
+
+        /// <summary>
+        /// Validate a SHA1
+        /// </summary>
+        private static void Validate(Models.Hashfile.SHA1? sha1)
+        {
+            Assert.NotNull(sha1);
+            Assert.Equal("XXXXXX", sha1.Hash);
+            Assert.Equal("XXXXXX", sha1.File);
+        }
+
+        /// <summary>
+        /// Validate a SHA256
+        /// </summary>
+        private static void Validate(Models.Hashfile.SHA256? sha256)
+        {
+            Assert.NotNull(sha256);
+            Assert.Equal("XXXXXX", sha256.Hash);
+            Assert.Equal("XXXXXX", sha256.File);
+        }
+
+        /// <summary>
+        /// Validate a SHA384
+        /// </summary>
+        private static void Validate(Models.Hashfile.SHA384? sha384)
+        {
+            Assert.NotNull(sha384);
+            Assert.Equal("XXXXXX", sha384.Hash);
+            Assert.Equal("XXXXXX", sha384.File);
+        }
+
+        /// <summary>
+        /// Validate a SHA512
+        /// </summary>
+        private static void Validate(Models.Hashfile.SHA512? sha512)
+        {
+            Assert.NotNull(sha512);
+            Assert.Equal("XXXXXX", sha512.Hash);
+            Assert.Equal("XXXXXX", sha512.File);
+        }
+
+        /// <summary>
+        /// Validate a SpamSum
+        /// </summary>
+        private static void Validate(Models.Hashfile.SpamSum? spamsum)
+        {
+            Assert.NotNull(spamsum);
+            Assert.Equal("XXXXXX", spamsum.Hash);
+            Assert.Equal("XXXXXX", spamsum.File);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/IRDTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class IRDTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new IRD();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new IRD();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new IRD();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new IRD();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new IRD();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new IRD();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/InstallShieldArchiveV3Tests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class InstallShieldArchiveV3Tests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new InstallShieldArchiveV3();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new InstallShieldArchiveV3();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new InstallShieldArchiveV3();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new InstallShieldArchiveV3();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new InstallShieldArchiveV3();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new InstallShieldArchiveV3();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/InstallShieldCabinetTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class InstallShieldCabinetTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new InstallShieldCabinet();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new InstallShieldCabinet();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new InstallShieldCabinet();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new InstallShieldCabinet();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new InstallShieldCabinet();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new InstallShieldCabinet();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/LZKWAJTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class LZKWAJTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new LZKWAJ();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new LZKWAJ();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new LZKWAJ();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new LZKWAJ();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new LZKWAJ();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new LZKWAJ();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/LZQBasicTests.cs

@@ -0,0 +1,74 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class LZQBasicTests
+    
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new LZQBasic();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new LZQBasic();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new LZQBasic();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new LZQBasic();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new LZQBasic();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new LZQBasic();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/LZSZDDTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class LZSZDDTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new LZSZDD();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new LZSZDD();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new LZSZDD();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new LZSZDD();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new LZSZDD();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new LZSZDD();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/LinearExecutableTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class LinearExecutableTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new LinearExecutable();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new LinearExecutable();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new LinearExecutable();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new LinearExecutable();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new LinearExecutable();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new LinearExecutable();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/ListromTests.cs

@@ -0,0 +1,268 @@
+using System;
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class ListromTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new Listrom();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new Listrom();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new Listrom();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new Listrom();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new Listrom();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new Listrom();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.Listrom();
+            var serializer = new Serialization.Serializers.Listrom();
+
+            // Build the data
+            Models.Listrom.MetadataFile mf = Build();
+
+            // Serialize to stream
+            Stream? actual = serializer.Serialize(mf);
+            Assert.NotNull(actual);
+
+            // Serialize back to original model
+            Models.Listrom.MetadataFile? newMf = deserializer.Deserialize(actual);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Assert.NotNull(newMf.Set);
+            Assert.Equal(2, newMf.Set.Length);
+
+            ValidateDevice(newMf.Set[0]);
+            ValidateDriver(newMf.Set[1]);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.Listrom.MetadataFile Build()
+        {
+            var romGood = new Models.Listrom.Row
+            {
+                Name = "XXXXXX",
+                Size = "12345",
+                Bad = false,
+                CRC = Hashing.ZeroHash.CRC32Str,
+                SHA1 = Hashing.ZeroHash.SHA1Str,
+                NoGoodDumpKnown = false,
+            };
+
+            var romBad = new Models.Listrom.Row
+            {
+                Name = "XXXXXX",
+                Size = "12345",
+                Bad = true,
+                CRC = Hashing.ZeroHash.CRC32Str,
+                SHA1 = Hashing.ZeroHash.SHA1Str,
+                NoGoodDumpKnown = false,
+            };
+
+            var diskGoodMd5 = new Models.Listrom.Row
+            {
+                Name = "XXXXXX",
+                Bad = false,
+                MD5 = Hashing.ZeroHash.MD5Str,
+                SHA1 = null,
+                NoGoodDumpKnown = false,
+            };
+
+            var diskGoodSha1 = new Models.Listrom.Row
+            {
+                Name = "XXXXXX",
+                Bad = false,
+                MD5 = null,
+                SHA1 = Hashing.ZeroHash.SHA1Str,
+                NoGoodDumpKnown = false,
+            };
+
+            var diskBad = new Models.Listrom.Row
+            {
+                Name = "XXXXXX",
+                Bad = false,
+                MD5 = Hashing.ZeroHash.MD5Str,
+                SHA1 = Hashing.ZeroHash.SHA1Str,
+                NoGoodDumpKnown = true,
+            };
+
+            var device = new Models.Listrom.Set()
+            {
+                Device = "XXXXXX",
+                Row = [romGood, romBad],
+            };
+
+            var driver = new Models.Listrom.Set()
+            {
+                Driver = "XXXXXX",
+                Row = [diskGoodMd5, diskGoodSha1, diskBad],
+            };
+
+            return new Models.Listrom.MetadataFile
+            {
+                Set = [device, driver],
+            };
+        }
+
+        /// <summary>
+        /// Validate a Set
+        /// </summary>
+        private static void ValidateDevice(Models.Listrom.Set? set)
+        {
+            Assert.NotNull(set);
+            Assert.Equal("XXXXXX", set.Device);
+
+            Assert.NotNull(set.Row);
+            Assert.Equal(2, set.Row.Length);
+
+            ValidateGoodRom(set.Row[0]);
+            ValidateBadRom(set.Row[1]);
+        }
+
+        /// <summary>
+        /// Validate a Set
+        /// </summary>
+        private static void ValidateDriver(Models.Listrom.Set? set)
+        {
+            Assert.NotNull(set);
+            Assert.Equal("XXXXXX", set.Driver);
+
+            Assert.NotNull(set.Row);
+            Assert.Equal(3, set.Row.Length);
+
+            ValidateGoodMd5Disk(set.Row[0]);
+            ValidateGoodSha1Disk(set.Row[1]);
+            ValidateBadDisk(set.Row[2]);
+        }
+
+        /// <summary>
+        /// Validate a Row
+        /// </summary>
+        private static void ValidateGoodRom(Models.Listrom.Row? row)
+        {
+            Assert.NotNull(row);
+            Assert.Equal("XXXXXX", row.Name);
+            Assert.Equal("12345", row.Size);
+            Assert.False(row.Bad);
+            Assert.Equal(Hashing.ZeroHash.CRC32Str, row.CRC);
+            Assert.Equal(Hashing.ZeroHash.SHA1Str, row.SHA1);
+            Assert.False(row.NoGoodDumpKnown);
+        }
+
+        /// <summary>
+        /// Validate a Row
+        /// </summary>
+        private static void ValidateBadRom(Models.Listrom.Row? row)
+        {
+            Assert.NotNull(row);
+            Assert.Equal("XXXXXX", row.Name);
+            Assert.Equal("12345", row.Size);
+            Assert.True(row.Bad);
+            Assert.Equal(Hashing.ZeroHash.CRC32Str, row.CRC);
+            Assert.Equal(Hashing.ZeroHash.SHA1Str, row.SHA1);
+            Assert.False(row.NoGoodDumpKnown);
+        }
+
+        /// <summary>
+        /// Validate a Row
+        /// </summary>
+        private static void ValidateGoodMd5Disk(Models.Listrom.Row? row)
+        {
+            Assert.NotNull(row);
+            Assert.Equal("XXXXXX", row.Name);
+            Assert.False(row.Bad);
+            Assert.Equal(Hashing.ZeroHash.MD5Str, row.MD5);
+            Assert.Null(row.SHA1);
+            Assert.False(row.NoGoodDumpKnown);
+        }
+
+        /// <summary>
+        /// Validate a Row
+        /// </summary>
+        private static void ValidateGoodSha1Disk(Models.Listrom.Row? row)
+        {
+            Assert.NotNull(row);
+            Assert.Equal("XXXXXX", row.Name);
+            Assert.False(row.Bad);
+            Assert.Null(row.MD5);
+            Assert.Equal(Hashing.ZeroHash.SHA1Str, row.SHA1);
+            Assert.False(row.NoGoodDumpKnown);
+        }
+
+        /// <summary>
+        /// Validate a Row
+        /// </summary>
+        private static void ValidateBadDisk(Models.Listrom.Row? row)
+        {
+            Assert.NotNull(row);
+            Assert.Equal("XXXXXX", row.Name);
+            Assert.False(row.Bad);
+            Assert.Null(row.MD5);
+            Assert.Null(row.SHA1);
+            Assert.True(row.NoGoodDumpKnown);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/ListxmlTests.cs

@@ -0,0 +1,947 @@
+using System;
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class ListxmlTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new Listxml();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new Listxml();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new Listxml();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new Listxml();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new Listxml();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new Listxml();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void RoundTripGameTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.Listxml();
+            var serializer = new Serialization.Serializers.Listxml();
+
+            // Build the data
+            Models.Listxml.Mame mame = Build(game: true);
+
+            // Serialize to stream
+            Stream? actual = serializer.Serialize(mame);
+            Assert.NotNull(actual);
+
+            // Serialize back to original model
+            Models.Listxml.Mame? newMame = deserializer.Deserialize(actual);
+
+            // Validate the data
+            Assert.NotNull(newMame);
+            Assert.Equal("XXXXXX", newMame.Build);
+            Assert.Equal("XXXXXX", newMame.Debug);
+            Assert.Equal("XXXXXX", newMame.MameConfig);
+
+            Assert.NotNull(newMame.Game);
+            var newGame = Assert.Single(newMame.Game);
+            Validate(newGame);
+        }
+
+        [Fact]
+        public void RoundTripMachineTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.Listxml();
+            var serializer = new Serialization.Serializers.Listxml();
+
+            // Build the data
+            Models.Listxml.Mame mame = Build(game: false);
+
+            // Serialize to stream
+            Stream? actual = serializer.Serialize(mame);
+            Assert.NotNull(actual);
+
+            // Serialize back to original model
+            Models.Listxml.Mame? newMame = deserializer.Deserialize(actual);
+
+            // Validate the data
+            Assert.NotNull(newMame);
+            Assert.Equal("XXXXXX", newMame.Build);
+            Assert.Equal("XXXXXX", newMame.Debug);
+            Assert.Equal("XXXXXX", newMame.MameConfig);
+
+            Assert.NotNull(newMame.Game);
+            var newGame = Assert.Single(newMame.Game);
+            Validate(newGame);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.Listxml.Mame Build(bool game)
+        {
+            var biosset = new Models.Listxml.BiosSet
+            {
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var rom = new Models.Listxml.Rom
+            {
+                Name = "XXXXXX",
+                Bios = "XXXXXX",
+                Size = "XXXXXX",
+                CRC = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Merge = "XXXXXX",
+                Region = "XXXXXX",
+                Offset = "XXXXXX",
+                Status = "XXXXXX",
+                Optional = "XXXXXX",
+                Dispose = "XXXXXX",
+                SoundOnly = "XXXXXX",
+            };
+
+            var disk = new Models.Listxml.Disk
+            {
+                Name = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Merge = "XXXXXX",
+                Region = "XXXXXX",
+                Index = "XXXXXX",
+                Writable = "XXXXXX",
+                Status = "XXXXXX",
+                Optional = "XXXXXX",
+            };
+
+            var deviceref = new Models.Listxml.DeviceRef
+            {
+                Name = "XXXXXX",
+            };
+
+            var sample = new Models.Listxml.Sample
+            {
+                Name = "XXXXXX",
+            };
+
+            var chip = new Models.Listxml.Chip
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Type = "XXXXXX",
+                SoundOnly = "XXXXXX",
+                Clock = "XXXXXX",
+            };
+
+            var display = new Models.Listxml.Display
+            {
+                Tag = "XXXXXX",
+                Type = "XXXXXX",
+                Rotate = "XXXXXX",
+                FlipX = "XXXXXX",
+                Width = "XXXXXX",
+                Height = "XXXXXX",
+                Refresh = "XXXXXX",
+                PixClock = "XXXXXX",
+                HTotal = "XXXXXX",
+                HBEnd = "XXXXXX",
+                HBStart = "XXXXXX",
+                VTotal = "XXXXXX",
+                VBEnd = "XXXXXX",
+                VBStart = "XXXXXX",
+            };
+
+            var video = new Models.Listxml.Video
+            {
+                Screen = "XXXXXX",
+                Orientation = "XXXXXX",
+                Width = "XXXXXX",
+                Height = "XXXXXX",
+                AspectX = "XXXXXX",
+                AspectY = "XXXXXX",
+                Refresh = "XXXXXX",
+            };
+
+            var sound = new Models.Listxml.Sound
+            {
+                Channels = "XXXXXX",
+            };
+
+            var control = new Models.Listxml.Control
+            {
+                Type = "XXXXXX",
+                Player = "XXXXXX",
+                Buttons = "XXXXXX",
+                ReqButtons = "XXXXXX",
+                Minimum = "XXXXXX",
+                Maximum = "XXXXXX",
+                Sensitivity = "XXXXXX",
+                KeyDelta = "XXXXXX",
+                Reverse = "XXXXXX",
+                Ways = "XXXXXX",
+                Ways2 = "XXXXXX",
+                Ways3 = "XXXXXX",
+            };
+
+            var input = new Models.Listxml.Input
+            {
+                Service = "XXXXXX",
+                Tilt = "XXXXXX",
+                Players = "XXXXXX",
+                //ControlAttr = "XXXXXX", // Mututally exclusive with input.Control
+                Buttons = "XXXXXX",
+                Coins = "XXXXXX",
+                Control = [control],
+            };
+
+            var condition = new Models.Listxml.Condition
+            {
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                Relation = "XXXXXX",
+                Value = "XXXXXX",
+            };
+
+            var diplocation = new Models.Listxml.DipLocation
+            {
+                Name = "XXXXXX",
+                Number = "XXXXXX",
+                Inverted = "XXXXXX",
+            };
+
+            var dipvalue = new Models.Listxml.DipValue
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+                Default = "XXXXXX",
+                Condition = condition,
+            };
+
+            var dipswitch = new Models.Listxml.DipSwitch
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                Condition = condition,
+                DipLocation = [diplocation],
+                DipValue = [dipvalue],
+            };
+
+            var conflocation = new Models.Listxml.ConfLocation
+            {
+                Name = "XXXXXX",
+                Number = "XXXXXX",
+                Inverted = "XXXXXX",
+            };
+
+            var confsetting = new Models.Listxml.ConfSetting
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+                Default = "XXXXXX",
+                Condition = condition,
+            };
+
+            var configuration = new Models.Listxml.Configuration
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                Condition = condition,
+                ConfLocation = [conflocation],
+                ConfSetting = [confsetting],
+            };
+
+            var analog = new Models.Listxml.Analog
+            {
+                Mask = "XXXXXX",
+            };
+
+            var port = new Models.Listxml.Port
+            {
+                Tag = "XXXXXX",
+                Analog = [analog],
+            };
+
+            var adjuster = new Models.Listxml.Adjuster
+            {
+                Name = "XXXXXX",
+                Default = "XXXXXX",
+                Condition = condition,
+            };
+
+            var driver = new Models.Listxml.Driver
+            {
+                Status = "XXXXXX",
+                Color = "XXXXXX",
+                Sound = "XXXXXX",
+                PaletteSize = "XXXXXX",
+                Emulation = "XXXXXX",
+                Cocktail = "XXXXXX",
+                SaveState = "XXXXXX",
+                RequiresArtwork = "XXXXXX",
+                Unofficial = "XXXXXX",
+                NoSoundHardware = "XXXXXX",
+                Incomplete = "XXXXXX",
+            };
+
+            var feature = new Models.Listxml.Feature
+            {
+                Type = "XXXXXX",
+                Status = "XXXXXX",
+                Overall = "XXXXXX",
+            };
+
+            var instance = new Models.Listxml.Instance
+            {
+                Name = "XXXXXX",
+                BriefName = "XXXXXX",
+            };
+
+            var extension = new Models.Listxml.Extension
+            {
+                Name = "XXXXXX",
+            };
+
+            var device = new Models.Listxml.Device
+            {
+                Type = "XXXXXX",
+                Tag = "XXXXXX",
+                FixedImage = "XXXXXX",
+                Mandatory = "XXXXXX",
+                Interface = "XXXXXX",
+                Instance = instance,
+                Extension = [extension],
+            };
+
+            var slotOption = new Models.Listxml.SlotOption
+            {
+                Name = "XXXXXX",
+                DevName = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var slot = new Models.Listxml.Slot
+            {
+                Name = "XXXXXX",
+                SlotOption = [slotOption],
+            };
+
+            var softwarelist = new Models.Listxml.SoftwareList
+            {
+                Tag = "XXXXXX",
+                Name = "XXXXXX",
+                Status = "XXXXXX",
+                Filter = "XXXXXX",
+            };
+
+            var ramoption = new Models.Listxml.RamOption
+            {
+                Name = "XXXXXX",
+                Default = "XXXXXX",
+                Content = "XXXXXX",
+            };
+
+            Models.Listxml.GameBase gameBase = game
+                ? new Models.Listxml.Game()
+                : new Models.Listxml.Machine();
+            gameBase.Name = "XXXXXX";
+            gameBase.SourceFile = "XXXXXX";
+            gameBase.IsBios = "XXXXXX";
+            gameBase.IsDevice = "XXXXXX";
+            gameBase.IsMechanical = "XXXXXX";
+            gameBase.Runnable = "XXXXXX";
+            gameBase.CloneOf = "XXXXXX";
+            gameBase.RomOf = "XXXXXX";
+            gameBase.SampleOf = "XXXXXX";
+            gameBase.Description = "XXXXXX";
+            gameBase.Year = "XXXXXX";
+            gameBase.Manufacturer = "XXXXXX";
+            gameBase.History = "XXXXXX";
+            gameBase.BiosSet = [biosset];
+            gameBase.Rom = [rom];
+            gameBase.Disk = [disk];
+            gameBase.DeviceRef = [deviceref];
+            gameBase.Sample = [sample];
+            gameBase.Chip = [chip];
+            gameBase.Display = [display];
+            gameBase.Video = [video];
+            gameBase.Sound = sound;
+            gameBase.Input = input;
+            gameBase.DipSwitch = [dipswitch];
+            gameBase.Configuration = [configuration];
+            gameBase.Port = [port];
+            gameBase.Adjuster = [adjuster];
+            gameBase.Driver = driver;
+            gameBase.Feature = [feature];
+            gameBase.Device = [device];
+            gameBase.Slot = [slot];
+            gameBase.SoftwareList = [softwarelist];
+            gameBase.RamOption = [ramoption];
+
+            return new Models.Listxml.Mame
+            {
+                Build = "XXXXXX",
+                Debug = "XXXXXX",
+                MameConfig = "XXXXXX",
+                Game = [gameBase],
+            };
+        }
+
+        /// <summary>
+        /// Validate a GameBase
+        /// </summary>
+        private static void Validate(Models.Listxml.GameBase? gb)
+        {
+            Assert.NotNull(gb);
+            Assert.Equal("XXXXXX", gb.Name);
+            Assert.Equal("XXXXXX", gb.SourceFile);
+            Assert.Equal("XXXXXX", gb.IsBios);
+            Assert.Equal("XXXXXX", gb.IsDevice);
+            Assert.Equal("XXXXXX", gb.IsMechanical);
+            Assert.Equal("XXXXXX", gb.Runnable);
+            Assert.Equal("XXXXXX", gb.CloneOf);
+            Assert.Equal("XXXXXX", gb.RomOf);
+            Assert.Equal("XXXXXX", gb.SampleOf);
+            Assert.Equal("XXXXXX", gb.Description);
+            Assert.Equal("XXXXXX", gb.Year);
+            Assert.Equal("XXXXXX", gb.Manufacturer);
+            Assert.Equal("XXXXXX", gb.History);
+
+            Assert.NotNull(gb.BiosSet);
+            var biosset = Assert.Single(gb.BiosSet);
+            Validate(biosset);
+
+            Assert.NotNull(gb.Rom);
+            var rom = Assert.Single(gb.Rom);
+            Validate(rom);
+
+            Assert.NotNull(gb.Disk);
+            var disk = Assert.Single(gb.Disk);
+            Validate(disk);
+
+            Assert.NotNull(gb.DeviceRef);
+            var deviceref = Assert.Single(gb.DeviceRef);
+            Validate(deviceref);
+
+            Assert.NotNull(gb.Sample);
+            var sample = Assert.Single(gb.Sample);
+            Validate(sample);
+
+            Assert.NotNull(gb.Chip);
+            var chip = Assert.Single(gb.Chip);
+            Validate(chip);
+
+            Assert.NotNull(gb.Display);
+            var display = Assert.Single(gb.Display);
+            Validate(display);
+
+            Assert.NotNull(gb.Video);
+            var video = Assert.Single(gb.Video);
+            Validate(video);
+
+            Validate(gb.Sound);
+            Validate(gb.Input);
+
+            Assert.NotNull(gb.DipSwitch);
+            var dipswitch = Assert.Single(gb.DipSwitch);
+            Validate(dipswitch);
+
+            Assert.NotNull(gb.Configuration);
+            var configuration = Assert.Single(gb.Configuration);
+            Validate(configuration);
+
+            Assert.NotNull(gb.Port);
+            var port = Assert.Single(gb.Port);
+            Validate(port);
+
+            Assert.NotNull(gb.Adjuster);
+            var adjuster = Assert.Single(gb.Adjuster);
+            Validate(adjuster);
+
+            Validate(gb.Driver);
+
+            Assert.NotNull(gb.Feature);
+            var feature = Assert.Single(gb.Feature);
+            Validate(feature);
+
+            Assert.NotNull(gb.Device);
+            var device = Assert.Single(gb.Device);
+            Validate(device);
+
+            Assert.NotNull(gb.Slot);
+            var slot = Assert.Single(gb.Slot);
+            Validate(slot);
+
+            Assert.NotNull(gb.SoftwareList);
+            var softwarelist = Assert.Single(gb.SoftwareList);
+            Validate(softwarelist);
+
+            Assert.NotNull(gb.RamOption);
+            var ramoption = Assert.Single(gb.RamOption);
+            Validate(ramoption);
+        }
+
+        /// <summary>
+        /// Validate a BiosSet
+        /// </summary>
+        private static void Validate(Models.Listxml.BiosSet? biosset)
+        {
+            Assert.NotNull(biosset);
+            Assert.Equal("XXXXXX", biosset.Name);
+            Assert.Equal("XXXXXX", biosset.Description);
+            Assert.Equal("XXXXXX", biosset.Default);
+        }
+
+        /// <summary>
+        /// Validate a Rom
+        /// </summary>
+        private static void Validate(Models.Listxml.Rom? rom)
+        {
+            Assert.NotNull(rom);
+            Assert.Equal("XXXXXX", rom.Name);
+            Assert.Equal("XXXXXX", rom.Bios);
+            Assert.Equal("XXXXXX", rom.Size);
+            Assert.Equal("XXXXXX", rom.CRC);
+            Assert.Equal("XXXXXX", rom.SHA1);
+            Assert.Equal("XXXXXX", rom.Merge);
+            Assert.Equal("XXXXXX", rom.Region);
+            Assert.Equal("XXXXXX", rom.Offset);
+            Assert.Equal("XXXXXX", rom.Status);
+            Assert.Equal("XXXXXX", rom.Optional);
+            Assert.Equal("XXXXXX", rom.Dispose);
+            Assert.Equal("XXXXXX", rom.SoundOnly);
+        }
+
+        /// <summary>
+        /// Validate a Disk
+        /// </summary>
+        private static void Validate(Models.Listxml.Disk? disk)
+        {
+            Assert.NotNull(disk);
+            Assert.Equal("XXXXXX", disk.Name);
+            Assert.Equal("XXXXXX", disk.MD5);
+            Assert.Equal("XXXXXX", disk.SHA1);
+            Assert.Equal("XXXXXX", disk.Merge);
+            Assert.Equal("XXXXXX", disk.Region);
+            Assert.Equal("XXXXXX", disk.Index);
+            Assert.Equal("XXXXXX", disk.Writable);
+            Assert.Equal("XXXXXX", disk.Status);
+            Assert.Equal("XXXXXX", disk.Optional);
+        }
+
+        /// <summary>
+        /// Validate a DeviceRef
+        /// </summary>
+        private static void Validate(Models.Listxml.DeviceRef? deviceref)
+        {
+            Assert.NotNull(deviceref);
+            Assert.Equal("XXXXXX", deviceref.Name);
+        }
+
+        /// <summary>
+        /// Validate a Sample
+        /// </summary>
+        private static void Validate(Models.Listxml.Sample? sample)
+        {
+            Assert.NotNull(sample);
+            Assert.Equal("XXXXXX", sample.Name);
+        }
+
+        /// <summary>
+        /// Validate a Chip
+        /// </summary>
+        private static void Validate(Models.Listxml.Chip? chip)
+        {
+            Assert.NotNull(chip);
+            Assert.Equal("XXXXXX", chip.Name);
+            Assert.Equal("XXXXXX", chip.Tag);
+            Assert.Equal("XXXXXX", chip.Type);
+            Assert.Equal("XXXXXX", chip.SoundOnly);
+            Assert.Equal("XXXXXX", chip.Clock);
+        }
+
+        /// <summary>
+        /// Validate a Display
+        /// </summary>
+        private static void Validate(Models.Listxml.Display? display)
+        {
+            Assert.NotNull(display);
+            Assert.Equal("XXXXXX", display.Tag);
+            Assert.Equal("XXXXXX", display.Type);
+            Assert.Equal("XXXXXX", display.Rotate);
+            Assert.Equal("XXXXXX", display.FlipX);
+            Assert.Equal("XXXXXX", display.Width);
+            Assert.Equal("XXXXXX", display.Height);
+            Assert.Equal("XXXXXX", display.Refresh);
+            Assert.Equal("XXXXXX", display.PixClock);
+            Assert.Equal("XXXXXX", display.HTotal);
+            Assert.Equal("XXXXXX", display.HBEnd);
+            Assert.Equal("XXXXXX", display.HBStart);
+            Assert.Equal("XXXXXX", display.VTotal);
+            Assert.Equal("XXXXXX", display.VBEnd);
+            Assert.Equal("XXXXXX", display.VBStart);
+        }
+
+        /// <summary>
+        /// Validate a Video
+        /// </summary>
+        private static void Validate(Models.Listxml.Video? video)
+        {
+            Assert.NotNull(video);
+            Assert.Equal("XXXXXX", video.Screen);
+            Assert.Equal("XXXXXX", video.Orientation);
+            Assert.Equal("XXXXXX", video.Width);
+            Assert.Equal("XXXXXX", video.Height);
+            Assert.Equal("XXXXXX", video.AspectX);
+            Assert.Equal("XXXXXX", video.AspectY);
+            Assert.Equal("XXXXXX", video.Refresh);
+        }
+
+        /// <summary>
+        /// Validate a Sound
+        /// </summary>
+        private static void Validate(Models.Listxml.Sound? sound)
+        {
+            Assert.NotNull(sound);
+            Assert.Equal("XXXXXX", sound.Channels);
+        }
+
+        /// <summary>
+        /// Validate a Input
+        /// </summary>
+        private static void Validate(Models.Listxml.Input? input)
+        {
+            Assert.NotNull(input);
+            Assert.Equal("XXXXXX", input.Service);
+            Assert.Equal("XXXXXX", input.Tilt);
+            Assert.Equal("XXXXXX", input.Players);
+            //Assert.Equal("XXXXXX", input.ControlAttr); // Mututally exclusive with input.Control
+            Assert.Equal("XXXXXX", input.Buttons);
+            Assert.Equal("XXXXXX", input.Coins);
+
+            Assert.NotNull(input.Control);
+            var control = Assert.Single(input.Control);
+            Validate(control);
+        }
+
+        /// <summary>
+        /// Validate a Control
+        /// </summary>
+        private static void Validate(Models.Listxml.Control? control)
+        {
+            Assert.NotNull(control);
+            Assert.Equal("XXXXXX", control.Type);
+            Assert.Equal("XXXXXX", control.Player);
+            Assert.Equal("XXXXXX", control.Buttons);
+            Assert.Equal("XXXXXX", control.ReqButtons);
+            Assert.Equal("XXXXXX", control.Minimum);
+            Assert.Equal("XXXXXX", control.Maximum);
+            Assert.Equal("XXXXXX", control.Sensitivity);
+            Assert.Equal("XXXXXX", control.KeyDelta);
+            Assert.Equal("XXXXXX", control.Reverse);
+            Assert.Equal("XXXXXX", control.Ways);
+            Assert.Equal("XXXXXX", control.Ways2);
+            Assert.Equal("XXXXXX", control.Ways3);
+        }
+
+        /// <summary>
+        /// Validate a DipSwitch
+        /// </summary>
+        private static void Validate(Models.Listxml.DipSwitch? dipswitch)
+        {
+            Assert.NotNull(dipswitch);
+            Assert.Equal("XXXXXX", dipswitch.Name);
+            Assert.Equal("XXXXXX", dipswitch.Tag);
+            Assert.Equal("XXXXXX", dipswitch.Mask);
+            Validate(dipswitch.Condition);
+
+            Assert.NotNull(dipswitch.DipLocation);
+            var diplocation = Assert.Single(dipswitch.DipLocation);
+            Validate(diplocation);
+
+            Assert.NotNull(dipswitch.DipValue);
+            var dipvalue = Assert.Single(dipswitch.DipValue);
+            Validate(dipvalue);
+        }
+
+        /// <summary>
+        /// Validate a Condition
+        /// </summary>
+        private static void Validate(Models.Listxml.Condition? condition)
+        {
+            Assert.NotNull(condition);
+            Assert.Equal("XXXXXX", condition.Tag);
+            Assert.Equal("XXXXXX", condition.Mask);
+            Assert.Equal("XXXXXX", condition.Relation);
+            Assert.Equal("XXXXXX", condition.Value);
+        }
+
+        /// <summary>
+        /// Validate a DipLocation
+        /// </summary>
+        private static void Validate(Models.Listxml.DipLocation? diplocation)
+        {
+            Assert.NotNull(diplocation);
+            Assert.Equal("XXXXXX", diplocation.Name);
+            Assert.Equal("XXXXXX", diplocation.Number);
+            Assert.Equal("XXXXXX", diplocation.Inverted);
+        }
+
+        /// <summary>
+        /// Validate a DipValue
+        /// </summary>
+        private static void Validate(Models.Listxml.DipValue? dipvalue)
+        {
+            Assert.NotNull(dipvalue);
+            Assert.Equal("XXXXXX", dipvalue.Name);
+            Assert.Equal("XXXXXX", dipvalue.Value);
+            Assert.Equal("XXXXXX", dipvalue.Default);
+            Validate(dipvalue.Condition);
+        }
+
+        /// <summary>
+        /// Validate a Configuration
+        /// </summary>
+        private static void Validate(Models.Listxml.Configuration? configuration)
+        {
+            Assert.NotNull(configuration);
+            Assert.Equal("XXXXXX", configuration.Name);
+            Assert.Equal("XXXXXX", configuration.Tag);
+            Assert.Equal("XXXXXX", configuration.Mask);
+            Validate(configuration.Condition);
+
+            Assert.NotNull(configuration.ConfLocation);
+            var conflocation = Assert.Single(configuration.ConfLocation);
+            Validate(conflocation);
+
+            Assert.NotNull(configuration.ConfSetting);
+            var confsetting = Assert.Single(configuration.ConfSetting);
+            Validate(confsetting);
+        }
+
+        /// <summary>
+        /// Validate a ConfLocation
+        /// </summary>
+        private static void Validate(Models.Listxml.ConfLocation? conflocation)
+        {
+            Assert.NotNull(conflocation);
+            Assert.Equal("XXXXXX", conflocation.Name);
+            Assert.Equal("XXXXXX", conflocation.Number);
+            Assert.Equal("XXXXXX", conflocation.Inverted);
+        }
+
+        /// <summary>
+        /// Validate a ConfSetting
+        /// </summary>
+        private static void Validate(Models.Listxml.ConfSetting? confsetting)
+        {
+            Assert.NotNull(confsetting);
+            Assert.Equal("XXXXXX", confsetting.Name);
+            Assert.Equal("XXXXXX", confsetting.Value);
+            Assert.Equal("XXXXXX", confsetting.Default);
+            Validate(confsetting.Condition);
+        }
+
+        /// <summary>
+        /// Validate a Port
+        /// </summary>
+        private static void Validate(Models.Listxml.Port? port)
+        {
+            Assert.NotNull(port);
+            Assert.Equal("XXXXXX", port.Tag);
+
+            Assert.NotNull(port.Analog);
+            var analog = Assert.Single(port.Analog);
+            Validate(analog);
+        }
+
+        /// <summary>
+        /// Validate a Analog
+        /// </summary>
+        private static void Validate(Models.Listxml.Analog? analog)
+        {
+            Assert.NotNull(analog);
+            Assert.Equal("XXXXXX", analog.Mask);
+        }
+
+        /// <summary>
+        /// Validate a Adjuster
+        /// </summary>
+        private static void Validate(Models.Listxml.Adjuster? adjuster)
+        {
+            Assert.NotNull(adjuster);
+            Assert.Equal("XXXXXX", adjuster.Name);
+            Assert.Equal("XXXXXX", adjuster.Default);
+            Validate(adjuster.Condition);
+        }
+
+        /// <summary>
+        /// Validate a Driver
+        /// </summary>
+        private static void Validate(Models.Listxml.Driver? driver)
+        {
+            Assert.NotNull(driver);
+            Assert.Equal("XXXXXX", driver.Status);
+            Assert.Equal("XXXXXX", driver.Color);
+            Assert.Equal("XXXXXX", driver.Sound);
+            Assert.Equal("XXXXXX", driver.PaletteSize);
+            Assert.Equal("XXXXXX", driver.Emulation);
+            Assert.Equal("XXXXXX", driver.Cocktail);
+            Assert.Equal("XXXXXX", driver.SaveState);
+            Assert.Equal("XXXXXX", driver.RequiresArtwork);
+            Assert.Equal("XXXXXX", driver.Unofficial);
+            Assert.Equal("XXXXXX", driver.NoSoundHardware);
+            Assert.Equal("XXXXXX", driver.Incomplete);
+        }
+
+        /// <summary>
+        /// Validate a Feature
+        /// </summary>
+        private static void Validate(Models.Listxml.Feature? feature)
+        {
+            Assert.NotNull(feature);
+            Assert.Equal("XXXXXX", feature.Type);
+            Assert.Equal("XXXXXX", feature.Status);
+            Assert.Equal("XXXXXX", feature.Overall);
+        }
+
+        /// <summary>
+        /// Validate a Device
+        /// </summary>
+        private static void Validate(Models.Listxml.Device? device)
+        {
+            Assert.NotNull(device);
+            Assert.Equal("XXXXXX", device.Type);
+            Assert.Equal("XXXXXX", device.Tag);
+            Assert.Equal("XXXXXX", device.FixedImage);
+            Assert.Equal("XXXXXX", device.Mandatory);
+            Assert.Equal("XXXXXX", device.Interface);
+            Validate(device.Instance);
+
+            Assert.NotNull(device.Extension);
+            var extension = Assert.Single(device.Extension);
+            Validate(extension);
+        }
+
+        /// <summary>
+        /// Validate a Instance
+        /// </summary>
+        private static void Validate(Models.Listxml.Instance? instance)
+        {
+            Assert.NotNull(instance);
+            Assert.Equal("XXXXXX", instance.Name);
+            Assert.Equal("XXXXXX", instance.BriefName);
+        }
+
+        /// <summary>
+        /// Validate a Extension
+        /// </summary>
+        private static void Validate(Models.Listxml.Extension? extension)
+        {
+            Assert.NotNull(extension);
+            Assert.Equal("XXXXXX", extension.Name);
+        }
+
+        /// <summary>
+        /// Validate a Slot
+        /// </summary>
+        private static void Validate(Models.Listxml.Slot? slot)
+        {
+            Assert.NotNull(slot);
+            Assert.Equal("XXXXXX", slot.Name);
+
+            Assert.NotNull(slot.SlotOption);
+            var slotoption = Assert.Single(slot.SlotOption);
+            Validate(slotoption);
+        }
+
+        /// <summary>
+        /// Validate a SlotOption
+        /// </summary>
+        private static void Validate(Models.Listxml.SlotOption? slotoption)
+        {
+            Assert.NotNull(slotoption);
+            Assert.Equal("XXXXXX", slotoption.Name);
+            Assert.Equal("XXXXXX", slotoption.DevName);
+            Assert.Equal("XXXXXX", slotoption.Default);
+        }
+
+        /// <summary>
+        /// Validate a SoftwareList
+        /// </summary>
+        private static void Validate(Models.Listxml.SoftwareList? softwarelist)
+        {
+            Assert.NotNull(softwarelist);
+            Assert.Equal("XXXXXX", softwarelist.Tag);
+            Assert.Equal("XXXXXX", softwarelist.Name);
+            Assert.Equal("XXXXXX", softwarelist.Status);
+            Assert.Equal("XXXXXX", softwarelist.Filter);
+        }
+
+        /// <summary>
+        /// Validate a RamOption
+        /// </summary>
+        private static void Validate(Models.Listxml.RamOption? ramoption)
+        {
+            Assert.NotNull(ramoption);
+            Assert.Equal("XXXXXX", ramoption.Name);
+            Assert.Equal("XXXXXX", ramoption.Default);
+            Assert.Equal("XXXXXX", ramoption.Content);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/LogiqxTests.cs

@@ -0,0 +1,614 @@
+using System;
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class LogiqxTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new Logiqx();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new Logiqx();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new Logiqx();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new Logiqx();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new Logiqx();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new Logiqx();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void RoundTripGameTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.Logiqx();
+            var serializer = new Serialization.Serializers.Logiqx();
+
+            // Build the data
+            Models.Logiqx.Datafile df = Build(game: true);
+
+            // Serialize to stream
+            Stream? metadata = serializer.Serialize(df);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Logiqx.Datafile? newDf = deserializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newDf);
+            Assert.Equal("XXXXXX", newDf.Build);
+            Assert.Equal("XXXXXX", newDf.Debug);
+            Assert.Equal("XXXXXX", newDf.SchemaLocation);
+            Validate(newDf.Header);
+
+            Assert.NotNull(newDf.Game);
+            var newGame = Assert.Single(newDf.Game);
+            Validate(newGame);
+
+            // TODO: Unsupported
+            Assert.Null(newDf.Dir);
+        }
+
+        [Fact]
+        public void RoundTripMachineTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.Logiqx();
+            var serializer = new Serialization.Serializers.Logiqx();
+
+            // Build the data
+            Models.Logiqx.Datafile df = Build(game: false);
+
+            // Serialize to stream
+            Stream? metadata = serializer.Serialize(df);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Logiqx.Datafile? newDf = deserializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newDf);
+            Assert.Equal("XXXXXX", newDf.Build);
+            Assert.Equal("XXXXXX", newDf.Debug);
+            Assert.Equal("XXXXXX", newDf.SchemaLocation);
+            Validate(newDf.Header);
+
+            Assert.NotNull(newDf.Game);
+            var newGame = Assert.Single(newDf.Game);
+            Validate(newGame);
+
+            // TODO: Unsupported
+            Assert.Null(newDf.Dir);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.Logiqx.Datafile Build(bool game)
+        {
+            var clrmamepro = new Models.Logiqx.ClrMamePro
+            {
+                Header = "XXXXXX",
+                ForceMerging = "XXXXXX",
+                ForceNodump = "XXXXXX",
+                ForcePacking = "XXXXXX",
+            };
+
+            var romcenter = new Models.Logiqx.RomCenter
+            {
+                Plugin = "XXXXXX",
+                RomMode = "XXXXXX",
+                BiosMode = "XXXXXX",
+                SampleMode = "XXXXXX",
+                LockRomMode = "XXXXXX",
+                LockBiosMode = "XXXXXX",
+                LockSampleMode = "XXXXXX",
+            };
+
+            var header = new Models.Logiqx.Header
+            {
+                Id = "XXXXXX",
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                RootDir = "XXXXXX",
+                Category = "XXXXXX",
+                Version = "XXXXXX",
+                Date = "XXXXXX",
+                Author = "XXXXXX",
+                Email = "XXXXXX",
+                Homepage = "XXXXXX",
+                Url = "XXXXXX",
+                Comment = "XXXXXX",
+                Type = "XXXXXX",
+                ClrMamePro = clrmamepro,
+                RomCenter = romcenter,
+            };
+
+            var trurip = new Models.Logiqx.Trurip
+            {
+                TitleID = "XXXXXX",
+                Publisher = "XXXXXX",
+                Developer = "XXXXXX",
+                Year = "XXXXXX",
+                Genre = "XXXXXX",
+                Subgenre = "XXXXXX",
+                Ratings = "XXXXXX",
+                Score = "XXXXXX",
+                Players = "XXXXXX",
+                Enabled = "XXXXXX",
+                CRC = "XXXXXX",
+                Source = "XXXXXX",
+                CloneOf = "XXXXXX",
+                RelatedTo = "XXXXXX",
+            };
+
+            var release = new Models.Logiqx.Release
+            {
+                Name = "XXXXXX",
+                Region = "XXXXXX",
+                Language = "XXXXXX",
+                Date = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var biosset = new Models.Logiqx.BiosSet
+            {
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var rom = new Models.Logiqx.Rom
+            {
+                Name = "XXXXXX",
+                Size = "XXXXXX",
+                CRC = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                SHA256 = "XXXXXX",
+                SHA384 = "XXXXXX",
+                SHA512 = "XXXXXX",
+                SpamSum = "XXXXXX",
+                xxHash364 = "XXXXXX",
+                xxHash3128 = "XXXXXX",
+                Merge = "XXXXXX",
+                Status = "XXXXXX",
+                Serial = "XXXXXX",
+                Header = "XXXXXX",
+                Date = "XXXXXX",
+                Inverted = "XXXXXX",
+                MIA = "XXXXXX",
+            };
+
+            var disk = new Models.Logiqx.Disk
+            {
+                Name = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Merge = "XXXXXX",
+                Status = "XXXXXX",
+                Region = "XXXXXX",
+            };
+
+            var media = new Models.Logiqx.Media
+            {
+                Name = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                SHA256 = "XXXXXX",
+                SpamSum = "XXXXXX",
+            };
+
+            var deviceRef = new Models.Logiqx.DeviceRef
+            {
+                Name = "XXXXXX",
+            };
+
+            var sample = new Models.Logiqx.Sample
+            {
+                Name = "XXXXXX",
+            };
+
+            var archive = new Models.Logiqx.Archive
+            {
+                Name = "XXXXXX",
+            };
+
+            var driver = new Models.Logiqx.Driver
+            {
+                Status = "XXXXXX",
+                Emulation = "XXXXXX",
+                Cocktail = "XXXXXX",
+                SaveState = "XXXXXX",
+                RequiresArtwork = "XXXXXX",
+                Unofficial = "XXXXXX",
+                NoSoundHardware = "XXXXXX",
+                Incomplete = "XXXXXX",
+            };
+
+            var softwarelist = new Models.Logiqx.SoftwareList
+            {
+                Tag = "XXXXXX",
+                Name = "XXXXXX",
+                Status = "XXXXXX",
+                Filter = "XXXXXX",
+            };
+
+            Models.Logiqx.GameBase gameBase = game
+                ? new Models.Logiqx.Game()
+                : new Models.Logiqx.Machine();
+            gameBase.Name = "XXXXXX";
+            gameBase.SourceFile = "XXXXXX";
+            gameBase.IsBios = "XXXXXX";
+            gameBase.IsDevice = "XXXXXX";
+            gameBase.IsMechanical = "XXXXXX";
+            gameBase.CloneOf = "XXXXXX";
+            gameBase.RomOf = "XXXXXX";
+            gameBase.SampleOf = "XXXXXX";
+            gameBase.Board = "XXXXXX";
+            gameBase.RebuildTo = "XXXXXX";
+            gameBase.Id = "XXXXXX";
+            gameBase.CloneOfId = "XXXXXX";
+            gameBase.Runnable = "XXXXXX";
+            gameBase.Comment = ["XXXXXX"];
+            gameBase.Description = "XXXXXX";
+            gameBase.Year = "XXXXXX";
+            gameBase.Manufacturer = "XXXXXX";
+            gameBase.Publisher = "XXXXXX";
+            gameBase.Category = ["XXXXXX"];
+            gameBase.Trurip = trurip;
+            gameBase.Release = [release];
+            gameBase.BiosSet = [biosset];
+            gameBase.Rom = [rom];
+            gameBase.Disk = [disk];
+            gameBase.Media = [media];
+            gameBase.DeviceRef = [deviceRef];
+            gameBase.Sample = [sample];
+            gameBase.Archive = [archive];
+            gameBase.Driver = driver;
+            gameBase.SoftwareList = [softwarelist];
+
+            return new Models.Logiqx.Datafile
+            {
+                Build = "XXXXXX",
+                Debug = "XXXXXX",
+                SchemaLocation = "XXXXXX",
+                Header = header,
+                Game = [gameBase],
+                // Dir = [dir], // TODO: Unsupported
+            };
+        }
+
+        /// <summary>
+        /// Validate a Header
+        /// </summary>
+        private static void Validate(Models.Logiqx.Header? header)
+        {
+            Assert.NotNull(header);
+            Assert.Equal("XXXXXX", header.Id);
+            Assert.Equal("XXXXXX", header.Name);
+            Assert.Equal("XXXXXX", header.Description);
+            Assert.Equal("XXXXXX", header.RootDir);
+            Assert.Equal("XXXXXX", header.Category);
+            Assert.Equal("XXXXXX", header.Version);
+            Assert.Equal("XXXXXX", header.Date);
+            Assert.Equal("XXXXXX", header.Author);
+            Assert.Equal("XXXXXX", header.Email);
+            Assert.Equal("XXXXXX", header.Homepage);
+            Assert.Equal("XXXXXX", header.Url);
+            Assert.Equal("XXXXXX", header.Comment);
+            Assert.Equal("XXXXXX", header.Type);
+            Validate(header.ClrMamePro);
+            Validate(header.RomCenter);
+        }
+
+        /// <summary>
+        /// Validate a ClrMamePro
+        /// </summary>
+        private static void Validate(Models.Logiqx.ClrMamePro? cmp)
+        {
+            Assert.NotNull(cmp);
+            Assert.Equal("XXXXXX", cmp.Header);
+            Assert.Equal("XXXXXX", cmp.ForceMerging);
+            Assert.Equal("XXXXXX", cmp.ForceNodump);
+            Assert.Equal("XXXXXX", cmp.ForcePacking);
+        }
+
+        /// <summary>
+        /// Validate a RomCenter
+        /// </summary>
+        private static void Validate(Models.Logiqx.RomCenter? rc)
+        {
+            Assert.NotNull(rc);
+            Assert.Equal("XXXXXX", rc.Plugin);
+            Assert.Equal("XXXXXX", rc.RomMode);
+            Assert.Equal("XXXXXX", rc.BiosMode);
+            Assert.Equal("XXXXXX", rc.SampleMode);
+            Assert.Equal("XXXXXX", rc.LockRomMode);
+            Assert.Equal("XXXXXX", rc.LockBiosMode);
+            Assert.Equal("XXXXXX", rc.LockSampleMode);
+        }
+
+        /// <summary>
+        /// Validate a GameBase
+        /// </summary>
+        private static void Validate(Models.Logiqx.GameBase? gb)
+        {
+            Assert.NotNull(gb);
+            Assert.Equal("XXXXXX", gb.Name);
+            Assert.Equal("XXXXXX", gb.SourceFile);
+            Assert.Equal("XXXXXX", gb.IsBios);
+            Assert.Equal("XXXXXX", gb.IsDevice);
+            Assert.Equal("XXXXXX", gb.IsMechanical);
+            Assert.Equal("XXXXXX", gb.CloneOf);
+            Assert.Equal("XXXXXX", gb.RomOf);
+            Assert.Equal("XXXXXX", gb.SampleOf);
+            Assert.Equal("XXXXXX", gb.Board);
+            Assert.Equal("XXXXXX", gb.RebuildTo);
+            Assert.Equal("XXXXXX", gb.Id);
+            Assert.Equal("XXXXXX", gb.CloneOfId);
+            Assert.Equal("XXXXXX", gb.Runnable);
+
+            Assert.NotNull(gb.Comment);
+            string comment = Assert.Single(gb.Comment);
+            Assert.Equal("XXXXXX", comment);
+
+            Assert.Equal("XXXXXX", gb.Description);
+            Assert.Equal("XXXXXX", gb.Year);
+            Assert.Equal("XXXXXX", gb.Manufacturer);
+            Assert.Equal("XXXXXX", gb.Publisher);
+
+            Assert.NotNull(gb.Category);
+            string category = Assert.Single(gb.Category);
+            Assert.Equal("XXXXXX", category);
+
+            Validate(gb.Trurip);
+
+            Assert.NotNull(gb.Release);
+            var release = Assert.Single(gb.Release);
+            Validate(release);
+
+            Assert.NotNull(gb.BiosSet);
+            var biosset = Assert.Single(gb.BiosSet);
+            Validate(biosset);
+
+            Assert.NotNull(gb.Rom);
+            var rom = Assert.Single(gb.Rom);
+            Validate(rom);
+
+            Assert.NotNull(gb.Disk);
+            var disk = Assert.Single(gb.Disk);
+            Validate(disk);
+
+            Assert.NotNull(gb.Media);
+            var media = Assert.Single(gb.Media);
+            Validate(media);
+
+            Assert.NotNull(gb.DeviceRef);
+            var deviceref = Assert.Single(gb.DeviceRef);
+            Validate(deviceref);
+
+            Assert.NotNull(gb.Sample);
+            var sample = Assert.Single(gb.Sample);
+            Validate(sample);
+
+            Assert.NotNull(gb.Archive);
+            var archive = Assert.Single(gb.Archive);
+            Validate(archive);
+
+            Validate(gb.Driver);
+
+            Assert.NotNull(gb.SoftwareList);
+            var softwarelist = Assert.Single(gb.SoftwareList);
+            Validate(softwarelist);
+        }
+
+        /// <summary>
+        /// Validate a Trurip
+        /// </summary>
+        private static void Validate(Models.Logiqx.Trurip? trurip)
+        {
+            Assert.NotNull(trurip);
+            Assert.Equal("XXXXXX", trurip.TitleID);
+            Assert.Equal("XXXXXX", trurip.Publisher);
+            Assert.Equal("XXXXXX", trurip.Developer);
+            Assert.Equal("XXXXXX", trurip.Year);
+            Assert.Equal("XXXXXX", trurip.Genre);
+            Assert.Equal("XXXXXX", trurip.Subgenre);
+            Assert.Equal("XXXXXX", trurip.Ratings);
+            Assert.Equal("XXXXXX", trurip.Score);
+            Assert.Equal("XXXXXX", trurip.Players);
+            Assert.Equal("XXXXXX", trurip.Enabled);
+            Assert.Equal("XXXXXX", trurip.CRC);
+            Assert.Equal("XXXXXX", trurip.Source);
+            Assert.Equal("XXXXXX", trurip.CloneOf);
+            Assert.Equal("XXXXXX", trurip.RelatedTo);
+        }
+
+        /// <summary>
+        /// Validate a Release
+        /// </summary>
+        private static void Validate(Models.Logiqx.Release? release)
+        {
+            Assert.NotNull(release);
+            Assert.Equal("XXXXXX", release.Name);
+            Assert.Equal("XXXXXX", release.Region);
+            Assert.Equal("XXXXXX", release.Language);
+            Assert.Equal("XXXXXX", release.Date);
+            Assert.Equal("XXXXXX", release.Default);
+        }
+
+        /// <summary>
+        /// Validate a BiosSet
+        /// </summary>
+        private static void Validate(Models.Logiqx.BiosSet? biosset)
+        {
+            Assert.NotNull(biosset);
+            Assert.Equal("XXXXXX", biosset.Name);
+            Assert.Equal("XXXXXX", biosset.Description);
+            Assert.Equal("XXXXXX", biosset.Default);
+        }
+
+        /// <summary>
+        /// Validate a Rom
+        /// </summary>
+        private static void Validate(Models.Logiqx.Rom? rom)
+        {
+            Assert.NotNull(rom);
+            Assert.Equal("XXXXXX", rom.Name);
+            Assert.Equal("XXXXXX", rom.Size);
+            Assert.Equal("XXXXXX", rom.CRC);
+            Assert.Equal("XXXXXX", rom.MD5);
+            Assert.Equal("XXXXXX", rom.SHA1);
+            Assert.Equal("XXXXXX", rom.SHA256);
+            Assert.Equal("XXXXXX", rom.SHA384);
+            Assert.Equal("XXXXXX", rom.SHA512);
+            Assert.Equal("XXXXXX", rom.SpamSum);
+            Assert.Equal("XXXXXX", rom.xxHash364);
+            Assert.Equal("XXXXXX", rom.xxHash3128);
+            Assert.Equal("XXXXXX", rom.Merge);
+            Assert.Equal("XXXXXX", rom.Status);
+            Assert.Equal("XXXXXX", rom.Serial);
+            Assert.Equal("XXXXXX", rom.Header);
+            Assert.Equal("XXXXXX", rom.Date);
+            Assert.Equal("XXXXXX", rom.Inverted);
+            Assert.Equal("XXXXXX", rom.MIA);
+        }
+
+        /// <summary>
+        /// Validate a Disk
+        /// </summary>
+        private static void Validate(Models.Logiqx.Disk? disk)
+        {
+            Assert.NotNull(disk);
+            Assert.Equal("XXXXXX", disk.Name);
+            Assert.Equal("XXXXXX", disk.MD5);
+            Assert.Equal("XXXXXX", disk.SHA1);
+            Assert.Equal("XXXXXX", disk.Merge);
+            Assert.Equal("XXXXXX", disk.Status);
+            Assert.Equal("XXXXXX", disk.Region);
+        }
+
+        /// <summary>
+        /// Validate a Media
+        /// </summary>
+        private static void Validate(Models.Logiqx.Media? media)
+        {
+            Assert.NotNull(media);
+            Assert.Equal("XXXXXX", media.Name);
+            Assert.Equal("XXXXXX", media.MD5);
+            Assert.Equal("XXXXXX", media.SHA1);
+            Assert.Equal("XXXXXX", media.SHA256);
+            Assert.Equal("XXXXXX", media.SpamSum);
+        }
+
+        /// <summary>
+        /// Validate a DeviceRef
+        /// </summary>
+        private static void Validate(Models.Logiqx.DeviceRef? deviceref)
+        {
+            Assert.NotNull(deviceref);
+            Assert.Equal("XXXXXX", deviceref.Name);
+        }
+
+        /// <summary>
+        /// Validate a Sample
+        /// </summary>
+        private static void Validate(Models.Logiqx.Sample? sample)
+        {
+            Assert.NotNull(sample);
+            Assert.Equal("XXXXXX", sample.Name);
+        }
+
+        /// <summary>
+        /// Validate a Archive
+        /// </summary>
+        private static void Validate(Models.Logiqx.Archive? archive)
+        {
+            Assert.NotNull(archive);
+            Assert.Equal("XXXXXX", archive.Name);
+        }
+
+        /// <summary>
+        /// Validate a Driver
+        /// </summary>
+        private static void Validate(Models.Logiqx.Driver? driver)
+        {
+            Assert.NotNull(driver);
+            Assert.Equal("XXXXXX", driver.Status);
+            Assert.Equal("XXXXXX", driver.Emulation);
+            Assert.Equal("XXXXXX", driver.Cocktail);
+            Assert.Equal("XXXXXX", driver.SaveState);
+            Assert.Equal("XXXXXX", driver.RequiresArtwork);
+            Assert.Equal("XXXXXX", driver.Unofficial);
+            Assert.Equal("XXXXXX", driver.NoSoundHardware);
+            Assert.Equal("XXXXXX", driver.Incomplete);
+        }
+
+        /// <summary>
+        /// Validate a SoftwareList
+        /// </summary>
+        private static void Validate(Models.Logiqx.SoftwareList? softwarelist)
+        {
+            Assert.NotNull(softwarelist);
+            Assert.Equal("XXXXXX", softwarelist.Tag);
+            Assert.Equal("XXXXXX", softwarelist.Name);
+            Assert.Equal("XXXXXX", softwarelist.Status);
+            Assert.Equal("XXXXXX", softwarelist.Filter);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/M1Tests.cs

@@ -0,0 +1,940 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class M1Tests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new M1();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new M1();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new M1();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new M1();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new M1();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new M1();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void RoundTripGameTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.M1();
+            var serializer = new Serialization.Serializers.M1();
+
+            // Build the data
+            Models.Listxml.M1 m1 = Build(game: true);
+
+            // Serialize to generic model
+            Stream? metadata = serializer.Serialize(m1);
+            Assert.NotNull(metadata);
+
+            // Serialize to stream
+            Models.Listxml.M1? newM1 = deserializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newM1);
+            Assert.Equal("XXXXXX", newM1.Version);
+
+            Assert.NotNull(newM1.Game);
+            var newGame = Assert.Single(newM1.Game);
+            Validate(newGame);
+        }
+
+        [Fact]
+        public void RoundTripMachineTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.M1();
+            var serializer = new Serialization.Serializers.M1();
+
+            // Build the data
+            Models.Listxml.M1 m1 = Build(game: false);
+
+            // Serialize to generic model
+            Stream? metadata = serializer.Serialize(m1);
+            Assert.NotNull(metadata);
+
+            // Serialize to stream
+            Models.Listxml.M1? newM1 = deserializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newM1);
+            Assert.Equal("XXXXXX", newM1.Version);
+
+            Assert.NotNull(newM1.Game);
+            var newGame = Assert.Single(newM1.Game);
+            Validate(newGame);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.Listxml.M1 Build(bool game)
+        {
+            var biosset = new Models.Listxml.BiosSet
+            {
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var rom = new Models.Listxml.Rom
+            {
+                Name = "XXXXXX",
+                Bios = "XXXXXX",
+                Size = "XXXXXX",
+                CRC = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Merge = "XXXXXX",
+                Region = "XXXXXX",
+                Offset = "XXXXXX",
+                Status = "XXXXXX",
+                Optional = "XXXXXX",
+                Dispose = "XXXXXX",
+                SoundOnly = "XXXXXX",
+            };
+
+            var disk = new Models.Listxml.Disk
+            {
+                Name = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Merge = "XXXXXX",
+                Region = "XXXXXX",
+                Index = "XXXXXX",
+                Writable = "XXXXXX",
+                Status = "XXXXXX",
+                Optional = "XXXXXX",
+            };
+
+            var deviceref = new Models.Listxml.DeviceRef
+            {
+                Name = "XXXXXX",
+            };
+
+            var sample = new Models.Listxml.Sample
+            {
+                Name = "XXXXXX",
+            };
+
+            var chip = new Models.Listxml.Chip
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Type = "XXXXXX",
+                SoundOnly = "XXXXXX",
+                Clock = "XXXXXX",
+            };
+
+            var display = new Models.Listxml.Display
+            {
+                Tag = "XXXXXX",
+                Type = "XXXXXX",
+                Rotate = "XXXXXX",
+                FlipX = "XXXXXX",
+                Width = "XXXXXX",
+                Height = "XXXXXX",
+                Refresh = "XXXXXX",
+                PixClock = "XXXXXX",
+                HTotal = "XXXXXX",
+                HBEnd = "XXXXXX",
+                HBStart = "XXXXXX",
+                VTotal = "XXXXXX",
+                VBEnd = "XXXXXX",
+                VBStart = "XXXXXX",
+            };
+
+            var video = new Models.Listxml.Video
+            {
+                Screen = "XXXXXX",
+                Orientation = "XXXXXX",
+                Width = "XXXXXX",
+                Height = "XXXXXX",
+                AspectX = "XXXXXX",
+                AspectY = "XXXXXX",
+                Refresh = "XXXXXX",
+            };
+
+            var sound = new Models.Listxml.Sound
+            {
+                Channels = "XXXXXX",
+            };
+
+            var control = new Models.Listxml.Control
+            {
+                Type = "XXXXXX",
+                Player = "XXXXXX",
+                Buttons = "XXXXXX",
+                ReqButtons = "XXXXXX",
+                Minimum = "XXXXXX",
+                Maximum = "XXXXXX",
+                Sensitivity = "XXXXXX",
+                KeyDelta = "XXXXXX",
+                Reverse = "XXXXXX",
+                Ways = "XXXXXX",
+                Ways2 = "XXXXXX",
+                Ways3 = "XXXXXX",
+            };
+
+            var input = new Models.Listxml.Input
+            {
+                Service = "XXXXXX",
+                Tilt = "XXXXXX",
+                Players = "XXXXXX",
+                //ControlAttr = "XXXXXX", // Mututally exclusive with input.Control
+                Buttons = "XXXXXX",
+                Coins = "XXXXXX",
+                Control = [control],
+            };
+
+            var condition = new Models.Listxml.Condition
+            {
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                Relation = "XXXXXX",
+                Value = "XXXXXX",
+            };
+
+            var diplocation = new Models.Listxml.DipLocation
+            {
+                Name = "XXXXXX",
+                Number = "XXXXXX",
+                Inverted = "XXXXXX",
+            };
+
+            var dipvalue = new Models.Listxml.DipValue
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+                Default = "XXXXXX",
+                Condition = condition,
+            };
+
+            var dipswitch = new Models.Listxml.DipSwitch
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                Condition = condition,
+                DipLocation = [diplocation],
+                DipValue = [dipvalue],
+            };
+
+            var conflocation = new Models.Listxml.ConfLocation
+            {
+                Name = "XXXXXX",
+                Number = "XXXXXX",
+                Inverted = "XXXXXX",
+            };
+
+            var confsetting = new Models.Listxml.ConfSetting
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+                Default = "XXXXXX",
+                Condition = condition,
+            };
+
+            var configuration = new Models.Listxml.Configuration
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                Condition = condition,
+                ConfLocation = [conflocation],
+                ConfSetting = [confsetting],
+            };
+
+            var analog = new Models.Listxml.Analog
+            {
+                Mask = "XXXXXX",
+            };
+
+            var port = new Models.Listxml.Port
+            {
+                Tag = "XXXXXX",
+                Analog = [analog],
+            };
+
+            var adjuster = new Models.Listxml.Adjuster
+            {
+                Name = "XXXXXX",
+                Default = "XXXXXX",
+                Condition = condition,
+            };
+
+            var driver = new Models.Listxml.Driver
+            {
+                Status = "XXXXXX",
+                Color = "XXXXXX",
+                Sound = "XXXXXX",
+                PaletteSize = "XXXXXX",
+                Emulation = "XXXXXX",
+                Cocktail = "XXXXXX",
+                SaveState = "XXXXXX",
+                RequiresArtwork = "XXXXXX",
+                Unofficial = "XXXXXX",
+                NoSoundHardware = "XXXXXX",
+                Incomplete = "XXXXXX",
+            };
+
+            var feature = new Models.Listxml.Feature
+            {
+                Type = "XXXXXX",
+                Status = "XXXXXX",
+                Overall = "XXXXXX",
+            };
+
+            var instance = new Models.Listxml.Instance
+            {
+                Name = "XXXXXX",
+                BriefName = "XXXXXX",
+            };
+
+            var extension = new Models.Listxml.Extension
+            {
+                Name = "XXXXXX",
+            };
+
+            var device = new Models.Listxml.Device
+            {
+                Type = "XXXXXX",
+                Tag = "XXXXXX",
+                FixedImage = "XXXXXX",
+                Mandatory = "XXXXXX",
+                Interface = "XXXXXX",
+                Instance = instance,
+                Extension = [extension],
+            };
+
+            var slotOption = new Models.Listxml.SlotOption
+            {
+                Name = "XXXXXX",
+                DevName = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var slot = new Models.Listxml.Slot
+            {
+                Name = "XXXXXX",
+                SlotOption = [slotOption],
+            };
+
+            var softwarelist = new Models.Listxml.SoftwareList
+            {
+                Tag = "XXXXXX",
+                Name = "XXXXXX",
+                Status = "XXXXXX",
+                Filter = "XXXXXX",
+            };
+
+            var ramoption = new Models.Listxml.RamOption
+            {
+                Name = "XXXXXX",
+                Default = "XXXXXX",
+                Content = "XXXXXX",
+            };
+
+            Models.Listxml.GameBase gameBase = game
+                ? new Models.Listxml.Game()
+                : new Models.Listxml.Machine();
+            gameBase.Name = "XXXXXX";
+            gameBase.SourceFile = "XXXXXX";
+            gameBase.IsBios = "XXXXXX";
+            gameBase.IsDevice = "XXXXXX";
+            gameBase.IsMechanical = "XXXXXX";
+            gameBase.Runnable = "XXXXXX";
+            gameBase.CloneOf = "XXXXXX";
+            gameBase.RomOf = "XXXXXX";
+            gameBase.SampleOf = "XXXXXX";
+            gameBase.Description = "XXXXXX";
+            gameBase.Year = "XXXXXX";
+            gameBase.Manufacturer = "XXXXXX";
+            gameBase.History = "XXXXXX";
+            gameBase.BiosSet = [biosset];
+            gameBase.Rom = [rom];
+            gameBase.Disk = [disk];
+            gameBase.DeviceRef = [deviceref];
+            gameBase.Sample = [sample];
+            gameBase.Chip = [chip];
+            gameBase.Display = [display];
+            gameBase.Video = [video];
+            gameBase.Sound = sound;
+            gameBase.Input = input;
+            gameBase.DipSwitch = [dipswitch];
+            gameBase.Configuration = [configuration];
+            gameBase.Port = [port];
+            gameBase.Adjuster = [adjuster];
+            gameBase.Driver = driver;
+            gameBase.Feature = [feature];
+            gameBase.Device = [device];
+            gameBase.Slot = [slot];
+            gameBase.SoftwareList = [softwarelist];
+            gameBase.RamOption = [ramoption];
+
+            return new Models.Listxml.M1
+            {
+                Version = "XXXXXX",
+                Game = [gameBase],
+            };
+        }
+
+        /// <summary>
+        /// Validate a GameBase
+        /// </summary>
+        private static void Validate(Models.Listxml.GameBase? gb)
+        {
+            Assert.NotNull(gb);
+            Assert.Equal("XXXXXX", gb.Name);
+            Assert.Equal("XXXXXX", gb.SourceFile);
+            Assert.Equal("XXXXXX", gb.IsBios);
+            Assert.Equal("XXXXXX", gb.IsDevice);
+            Assert.Equal("XXXXXX", gb.IsMechanical);
+            Assert.Equal("XXXXXX", gb.Runnable);
+            Assert.Equal("XXXXXX", gb.CloneOf);
+            Assert.Equal("XXXXXX", gb.RomOf);
+            Assert.Equal("XXXXXX", gb.SampleOf);
+            Assert.Equal("XXXXXX", gb.Description);
+            Assert.Equal("XXXXXX", gb.Year);
+            Assert.Equal("XXXXXX", gb.Manufacturer);
+            Assert.Equal("XXXXXX", gb.History);
+
+            Assert.NotNull(gb.BiosSet);
+            var biosset = Assert.Single(gb.BiosSet);
+            Validate(biosset);
+
+            Assert.NotNull(gb.Rom);
+            var rom = Assert.Single(gb.Rom);
+            Validate(rom);
+
+            Assert.NotNull(gb.Disk);
+            var disk = Assert.Single(gb.Disk);
+            Validate(disk);
+
+            Assert.NotNull(gb.DeviceRef);
+            var deviceref = Assert.Single(gb.DeviceRef);
+            Validate(deviceref);
+
+            Assert.NotNull(gb.Sample);
+            var sample = Assert.Single(gb.Sample);
+            Validate(sample);
+
+            Assert.NotNull(gb.Chip);
+            var chip = Assert.Single(gb.Chip);
+            Validate(chip);
+
+            Assert.NotNull(gb.Display);
+            var display = Assert.Single(gb.Display);
+            Validate(display);
+
+            Assert.NotNull(gb.Video);
+            var video = Assert.Single(gb.Video);
+            Validate(video);
+
+            Validate(gb.Sound);
+            Validate(gb.Input);
+
+            Assert.NotNull(gb.DipSwitch);
+            var dipswitch = Assert.Single(gb.DipSwitch);
+            Validate(dipswitch);
+
+            Assert.NotNull(gb.Configuration);
+            var configuration = Assert.Single(gb.Configuration);
+            Validate(configuration);
+
+            Assert.NotNull(gb.Port);
+            var port = Assert.Single(gb.Port);
+            Validate(port);
+
+            Assert.NotNull(gb.Adjuster);
+            var adjuster = Assert.Single(gb.Adjuster);
+            Validate(adjuster);
+
+            Validate(gb.Driver);
+
+            Assert.NotNull(gb.Feature);
+            var feature = Assert.Single(gb.Feature);
+            Validate(feature);
+
+            Assert.NotNull(gb.Device);
+            var device = Assert.Single(gb.Device);
+            Validate(device);
+
+            Assert.NotNull(gb.Slot);
+            var slot = Assert.Single(gb.Slot);
+            Validate(slot);
+
+            Assert.NotNull(gb.SoftwareList);
+            var softwarelist = Assert.Single(gb.SoftwareList);
+            Validate(softwarelist);
+
+            Assert.NotNull(gb.RamOption);
+            var ramoption = Assert.Single(gb.RamOption);
+            Validate(ramoption);
+        }
+
+        /// <summary>
+        /// Validate a BiosSet
+        /// </summary>
+        private static void Validate(Models.Listxml.BiosSet? biosset)
+        {
+            Assert.NotNull(biosset);
+            Assert.Equal("XXXXXX", biosset.Name);
+            Assert.Equal("XXXXXX", biosset.Description);
+            Assert.Equal("XXXXXX", biosset.Default);
+        }
+
+        /// <summary>
+        /// Validate a Rom
+        /// </summary>
+        private static void Validate(Models.Listxml.Rom? rom)
+        {
+            Assert.NotNull(rom);
+            Assert.Equal("XXXXXX", rom.Name);
+            Assert.Equal("XXXXXX", rom.Bios);
+            Assert.Equal("XXXXXX", rom.Size);
+            Assert.Equal("XXXXXX", rom.CRC);
+            Assert.Equal("XXXXXX", rom.SHA1);
+            Assert.Equal("XXXXXX", rom.Merge);
+            Assert.Equal("XXXXXX", rom.Region);
+            Assert.Equal("XXXXXX", rom.Offset);
+            Assert.Equal("XXXXXX", rom.Status);
+            Assert.Equal("XXXXXX", rom.Optional);
+            Assert.Equal("XXXXXX", rom.Dispose);
+            Assert.Equal("XXXXXX", rom.SoundOnly);
+        }
+
+        /// <summary>
+        /// Validate a Disk
+        /// </summary>
+        private static void Validate(Models.Listxml.Disk? disk)
+        {
+            Assert.NotNull(disk);
+            Assert.Equal("XXXXXX", disk.Name);
+            Assert.Equal("XXXXXX", disk.MD5);
+            Assert.Equal("XXXXXX", disk.SHA1);
+            Assert.Equal("XXXXXX", disk.Merge);
+            Assert.Equal("XXXXXX", disk.Region);
+            Assert.Equal("XXXXXX", disk.Index);
+            Assert.Equal("XXXXXX", disk.Writable);
+            Assert.Equal("XXXXXX", disk.Status);
+            Assert.Equal("XXXXXX", disk.Optional);
+        }
+
+        /// <summary>
+        /// Validate a DeviceRef
+        /// </summary>
+        private static void Validate(Models.Listxml.DeviceRef? deviceref)
+        {
+            Assert.NotNull(deviceref);
+            Assert.Equal("XXXXXX", deviceref.Name);
+        }
+
+        /// <summary>
+        /// Validate a Sample
+        /// </summary>
+        private static void Validate(Models.Listxml.Sample? sample)
+        {
+            Assert.NotNull(sample);
+            Assert.Equal("XXXXXX", sample.Name);
+        }
+
+        /// <summary>
+        /// Validate a Chip
+        /// </summary>
+        private static void Validate(Models.Listxml.Chip? chip)
+        {
+            Assert.NotNull(chip);
+            Assert.Equal("XXXXXX", chip.Name);
+            Assert.Equal("XXXXXX", chip.Tag);
+            Assert.Equal("XXXXXX", chip.Type);
+            Assert.Equal("XXXXXX", chip.SoundOnly);
+            Assert.Equal("XXXXXX", chip.Clock);
+        }
+
+        /// <summary>
+        /// Validate a Display
+        /// </summary>
+        private static void Validate(Models.Listxml.Display? display)
+        {
+            Assert.NotNull(display);
+            Assert.Equal("XXXXXX", display.Tag);
+            Assert.Equal("XXXXXX", display.Type);
+            Assert.Equal("XXXXXX", display.Rotate);
+            Assert.Equal("XXXXXX", display.FlipX);
+            Assert.Equal("XXXXXX", display.Width);
+            Assert.Equal("XXXXXX", display.Height);
+            Assert.Equal("XXXXXX", display.Refresh);
+            Assert.Equal("XXXXXX", display.PixClock);
+            Assert.Equal("XXXXXX", display.HTotal);
+            Assert.Equal("XXXXXX", display.HBEnd);
+            Assert.Equal("XXXXXX", display.HBStart);
+            Assert.Equal("XXXXXX", display.VTotal);
+            Assert.Equal("XXXXXX", display.VBEnd);
+            Assert.Equal("XXXXXX", display.VBStart);
+        }
+
+        /// <summary>
+        /// Validate a Video
+        /// </summary>
+        private static void Validate(Models.Listxml.Video? video)
+        {
+            Assert.NotNull(video);
+            Assert.Equal("XXXXXX", video.Screen);
+            Assert.Equal("XXXXXX", video.Orientation);
+            Assert.Equal("XXXXXX", video.Width);
+            Assert.Equal("XXXXXX", video.Height);
+            Assert.Equal("XXXXXX", video.AspectX);
+            Assert.Equal("XXXXXX", video.AspectY);
+            Assert.Equal("XXXXXX", video.Refresh);
+        }
+
+        /// <summary>
+        /// Validate a Sound
+        /// </summary>
+        private static void Validate(Models.Listxml.Sound? sound)
+        {
+            Assert.NotNull(sound);
+            Assert.Equal("XXXXXX", sound.Channels);
+        }
+
+        /// <summary>
+        /// Validate a Input
+        /// </summary>
+        private static void Validate(Models.Listxml.Input? input)
+        {
+            Assert.NotNull(input);
+            Assert.Equal("XXXXXX", input.Service);
+            Assert.Equal("XXXXXX", input.Tilt);
+            Assert.Equal("XXXXXX", input.Players);
+            //Assert.Equal("XXXXXX", input.ControlAttr); // Mututally exclusive with input.Control
+            Assert.Equal("XXXXXX", input.Buttons);
+            Assert.Equal("XXXXXX", input.Coins);
+
+            Assert.NotNull(input.Control);
+            var control = Assert.Single(input.Control);
+            Validate(control);
+        }
+
+        /// <summary>
+        /// Validate a Control
+        /// </summary>
+        private static void Validate(Models.Listxml.Control? control)
+        {
+            Assert.NotNull(control);
+            Assert.Equal("XXXXXX", control.Type);
+            Assert.Equal("XXXXXX", control.Player);
+            Assert.Equal("XXXXXX", control.Buttons);
+            Assert.Equal("XXXXXX", control.ReqButtons);
+            Assert.Equal("XXXXXX", control.Minimum);
+            Assert.Equal("XXXXXX", control.Maximum);
+            Assert.Equal("XXXXXX", control.Sensitivity);
+            Assert.Equal("XXXXXX", control.KeyDelta);
+            Assert.Equal("XXXXXX", control.Reverse);
+            Assert.Equal("XXXXXX", control.Ways);
+            Assert.Equal("XXXXXX", control.Ways2);
+            Assert.Equal("XXXXXX", control.Ways3);
+        }
+
+        /// <summary>
+        /// Validate a DipSwitch
+        /// </summary>
+        private static void Validate(Models.Listxml.DipSwitch? dipswitch)
+        {
+            Assert.NotNull(dipswitch);
+            Assert.Equal("XXXXXX", dipswitch.Name);
+            Assert.Equal("XXXXXX", dipswitch.Tag);
+            Assert.Equal("XXXXXX", dipswitch.Mask);
+            Validate(dipswitch.Condition);
+
+            Assert.NotNull(dipswitch.DipLocation);
+            var diplocation = Assert.Single(dipswitch.DipLocation);
+            Validate(diplocation);
+
+            Assert.NotNull(dipswitch.DipValue);
+            var dipvalue = Assert.Single(dipswitch.DipValue);
+            Validate(dipvalue);
+        }
+
+        /// <summary>
+        /// Validate a Condition
+        /// </summary>
+        private static void Validate(Models.Listxml.Condition? condition)
+        {
+            Assert.NotNull(condition);
+            Assert.Equal("XXXXXX", condition.Tag);
+            Assert.Equal("XXXXXX", condition.Mask);
+            Assert.Equal("XXXXXX", condition.Relation);
+            Assert.Equal("XXXXXX", condition.Value);
+        }
+
+        /// <summary>
+        /// Validate a DipLocation
+        /// </summary>
+        private static void Validate(Models.Listxml.DipLocation? diplocation)
+        {
+            Assert.NotNull(diplocation);
+            Assert.Equal("XXXXXX", diplocation.Name);
+            Assert.Equal("XXXXXX", diplocation.Number);
+            Assert.Equal("XXXXXX", diplocation.Inverted);
+        }
+
+        /// <summary>
+        /// Validate a DipValue
+        /// </summary>
+        private static void Validate(Models.Listxml.DipValue? dipvalue)
+        {
+            Assert.NotNull(dipvalue);
+            Assert.Equal("XXXXXX", dipvalue.Name);
+            Assert.Equal("XXXXXX", dipvalue.Value);
+            Assert.Equal("XXXXXX", dipvalue.Default);
+            Validate(dipvalue.Condition);
+        }
+
+        /// <summary>
+        /// Validate a Configuration
+        /// </summary>
+        private static void Validate(Models.Listxml.Configuration? configuration)
+        {
+            Assert.NotNull(configuration);
+            Assert.Equal("XXXXXX", configuration.Name);
+            Assert.Equal("XXXXXX", configuration.Tag);
+            Assert.Equal("XXXXXX", configuration.Mask);
+            Validate(configuration.Condition);
+
+            Assert.NotNull(configuration.ConfLocation);
+            var conflocation = Assert.Single(configuration.ConfLocation);
+            Validate(conflocation);
+
+            Assert.NotNull(configuration.ConfSetting);
+            var confsetting = Assert.Single(configuration.ConfSetting);
+            Validate(confsetting);
+        }
+
+        /// <summary>
+        /// Validate a ConfLocation
+        /// </summary>
+        private static void Validate(Models.Listxml.ConfLocation? conflocation)
+        {
+            Assert.NotNull(conflocation);
+            Assert.Equal("XXXXXX", conflocation.Name);
+            Assert.Equal("XXXXXX", conflocation.Number);
+            Assert.Equal("XXXXXX", conflocation.Inverted);
+        }
+
+        /// <summary>
+        /// Validate a ConfSetting
+        /// </summary>
+        private static void Validate(Models.Listxml.ConfSetting? confsetting)
+        {
+            Assert.NotNull(confsetting);
+            Assert.Equal("XXXXXX", confsetting.Name);
+            Assert.Equal("XXXXXX", confsetting.Value);
+            Assert.Equal("XXXXXX", confsetting.Default);
+            Validate(confsetting.Condition);
+        }
+
+        /// <summary>
+        /// Validate a Port
+        /// </summary>
+        private static void Validate(Models.Listxml.Port? port)
+        {
+            Assert.NotNull(port);
+            Assert.Equal("XXXXXX", port.Tag);
+
+            Assert.NotNull(port.Analog);
+            var analog = Assert.Single(port.Analog);
+            Validate(analog);
+        }
+
+        /// <summary>
+        /// Validate a Analog
+        /// </summary>
+        private static void Validate(Models.Listxml.Analog? analog)
+        {
+            Assert.NotNull(analog);
+            Assert.Equal("XXXXXX", analog.Mask);
+        }
+
+        /// <summary>
+        /// Validate a Adjuster
+        /// </summary>
+        private static void Validate(Models.Listxml.Adjuster? adjuster)
+        {
+            Assert.NotNull(adjuster);
+            Assert.Equal("XXXXXX", adjuster.Name);
+            Assert.Equal("XXXXXX", adjuster.Default);
+            Validate(adjuster.Condition);
+        }
+
+        /// <summary>
+        /// Validate a Driver
+        /// </summary>
+        private static void Validate(Models.Listxml.Driver? driver)
+        {
+            Assert.NotNull(driver);
+            Assert.Equal("XXXXXX", driver.Status);
+            Assert.Equal("XXXXXX", driver.Color);
+            Assert.Equal("XXXXXX", driver.Sound);
+            Assert.Equal("XXXXXX", driver.PaletteSize);
+            Assert.Equal("XXXXXX", driver.Emulation);
+            Assert.Equal("XXXXXX", driver.Cocktail);
+            Assert.Equal("XXXXXX", driver.SaveState);
+            Assert.Equal("XXXXXX", driver.RequiresArtwork);
+            Assert.Equal("XXXXXX", driver.Unofficial);
+            Assert.Equal("XXXXXX", driver.NoSoundHardware);
+            Assert.Equal("XXXXXX", driver.Incomplete);
+        }
+
+        /// <summary>
+        /// Validate a Feature
+        /// </summary>
+        private static void Validate(Models.Listxml.Feature? feature)
+        {
+            Assert.NotNull(feature);
+            Assert.Equal("XXXXXX", feature.Type);
+            Assert.Equal("XXXXXX", feature.Status);
+            Assert.Equal("XXXXXX", feature.Overall);
+        }
+
+        /// <summary>
+        /// Validate a Device
+        /// </summary>
+        private static void Validate(Models.Listxml.Device? device)
+        {
+            Assert.NotNull(device);
+            Assert.Equal("XXXXXX", device.Type);
+            Assert.Equal("XXXXXX", device.Tag);
+            Assert.Equal("XXXXXX", device.FixedImage);
+            Assert.Equal("XXXXXX", device.Mandatory);
+            Assert.Equal("XXXXXX", device.Interface);
+            Validate(device.Instance);
+
+            Assert.NotNull(device.Extension);
+            var extension = Assert.Single(device.Extension);
+            Validate(extension);
+        }
+
+        /// <summary>
+        /// Validate a Instance
+        /// </summary>
+        private static void Validate(Models.Listxml.Instance? instance)
+        {
+            Assert.NotNull(instance);
+            Assert.Equal("XXXXXX", instance.Name);
+            Assert.Equal("XXXXXX", instance.BriefName);
+        }
+
+        /// <summary>
+        /// Validate a Extension
+        /// </summary>
+        private static void Validate(Models.Listxml.Extension? extension)
+        {
+            Assert.NotNull(extension);
+            Assert.Equal("XXXXXX", extension.Name);
+        }
+
+        /// <summary>
+        /// Validate a Slot
+        /// </summary>
+        private static void Validate(Models.Listxml.Slot? slot)
+        {
+            Assert.NotNull(slot);
+            Assert.Equal("XXXXXX", slot.Name);
+
+            Assert.NotNull(slot.SlotOption);
+            var slotoption = Assert.Single(slot.SlotOption);
+            Validate(slotoption);
+        }
+
+        /// <summary>
+        /// Validate a SlotOption
+        /// </summary>
+        private static void Validate(Models.Listxml.SlotOption? slotoption)
+        {
+            Assert.NotNull(slotoption);
+            Assert.Equal("XXXXXX", slotoption.Name);
+            Assert.Equal("XXXXXX", slotoption.DevName);
+            Assert.Equal("XXXXXX", slotoption.Default);
+        }
+
+        /// <summary>
+        /// Validate a SoftwareList
+        /// </summary>
+        private static void Validate(Models.Listxml.SoftwareList? softwarelist)
+        {
+            Assert.NotNull(softwarelist);
+            Assert.Equal("XXXXXX", softwarelist.Tag);
+            Assert.Equal("XXXXXX", softwarelist.Name);
+            Assert.Equal("XXXXXX", softwarelist.Status);
+            Assert.Equal("XXXXXX", softwarelist.Filter);
+        }
+
+        /// <summary>
+        /// Validate a RamOption
+        /// </summary>
+        private static void Validate(Models.Listxml.RamOption? ramoption)
+        {
+            Assert.NotNull(ramoption);
+            Assert.Equal("XXXXXX", ramoption.Name);
+            Assert.Equal("XXXXXX", ramoption.Default);
+            Assert.Equal("XXXXXX", ramoption.Content);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/MSDOSTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class MSDOSTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new MSDOS();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new MSDOS();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new MSDOS();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new MSDOS();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new MSDOS();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new MSDOS();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/MessTests.cs

@@ -0,0 +1,940 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class MessTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new Mess();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new Mess();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new Mess();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new Mess();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new Mess();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new Mess();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void RoundTripGameTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.Mess();
+            var serializer = new Serialization.Serializers.Mess();
+
+            // Build the data
+            Models.Listxml.Mess m1 = Build(game: true);
+
+            // Serialize to generic model
+            Stream? metadata = serializer.Serialize(m1);
+            Assert.NotNull(metadata);
+
+            // Serialize to stream
+            Models.Listxml.Mess? newMess = deserializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newMess);
+            Assert.Equal("XXXXXX", newMess.Version);
+
+            Assert.NotNull(newMess.Game);
+            var newGame = Assert.Single(newMess.Game);
+            Validate(newGame);
+        }
+
+        [Fact]
+        public void RoundTripMachineTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.Mess();
+            var serializer = new Serialization.Serializers.Mess();
+
+            // Build the data
+            Models.Listxml.Mess m1 = Build(game: false);
+
+            // Serialize to generic model
+            Stream? metadata = serializer.Serialize(m1);
+            Assert.NotNull(metadata);
+
+            // Serialize to stream
+            Models.Listxml.Mess? newMess = deserializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newMess);
+            Assert.Equal("XXXXXX", newMess.Version);
+
+            Assert.NotNull(newMess.Game);
+            var newGame = Assert.Single(newMess.Game);
+            Validate(newGame);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.Listxml.Mess Build(bool game)
+        {
+            var biosset = new Models.Listxml.BiosSet
+            {
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var rom = new Models.Listxml.Rom
+            {
+                Name = "XXXXXX",
+                Bios = "XXXXXX",
+                Size = "XXXXXX",
+                CRC = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Merge = "XXXXXX",
+                Region = "XXXXXX",
+                Offset = "XXXXXX",
+                Status = "XXXXXX",
+                Optional = "XXXXXX",
+                Dispose = "XXXXXX",
+                SoundOnly = "XXXXXX",
+            };
+
+            var disk = new Models.Listxml.Disk
+            {
+                Name = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Merge = "XXXXXX",
+                Region = "XXXXXX",
+                Index = "XXXXXX",
+                Writable = "XXXXXX",
+                Status = "XXXXXX",
+                Optional = "XXXXXX",
+            };
+
+            var deviceref = new Models.Listxml.DeviceRef
+            {
+                Name = "XXXXXX",
+            };
+
+            var sample = new Models.Listxml.Sample
+            {
+                Name = "XXXXXX",
+            };
+
+            var chip = new Models.Listxml.Chip
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Type = "XXXXXX",
+                SoundOnly = "XXXXXX",
+                Clock = "XXXXXX",
+            };
+
+            var display = new Models.Listxml.Display
+            {
+                Tag = "XXXXXX",
+                Type = "XXXXXX",
+                Rotate = "XXXXXX",
+                FlipX = "XXXXXX",
+                Width = "XXXXXX",
+                Height = "XXXXXX",
+                Refresh = "XXXXXX",
+                PixClock = "XXXXXX",
+                HTotal = "XXXXXX",
+                HBEnd = "XXXXXX",
+                HBStart = "XXXXXX",
+                VTotal = "XXXXXX",
+                VBEnd = "XXXXXX",
+                VBStart = "XXXXXX",
+            };
+
+            var video = new Models.Listxml.Video
+            {
+                Screen = "XXXXXX",
+                Orientation = "XXXXXX",
+                Width = "XXXXXX",
+                Height = "XXXXXX",
+                AspectX = "XXXXXX",
+                AspectY = "XXXXXX",
+                Refresh = "XXXXXX",
+            };
+
+            var sound = new Models.Listxml.Sound
+            {
+                Channels = "XXXXXX",
+            };
+
+            var control = new Models.Listxml.Control
+            {
+                Type = "XXXXXX",
+                Player = "XXXXXX",
+                Buttons = "XXXXXX",
+                ReqButtons = "XXXXXX",
+                Minimum = "XXXXXX",
+                Maximum = "XXXXXX",
+                Sensitivity = "XXXXXX",
+                KeyDelta = "XXXXXX",
+                Reverse = "XXXXXX",
+                Ways = "XXXXXX",
+                Ways2 = "XXXXXX",
+                Ways3 = "XXXXXX",
+            };
+
+            var input = new Models.Listxml.Input
+            {
+                Service = "XXXXXX",
+                Tilt = "XXXXXX",
+                Players = "XXXXXX",
+                //ControlAttr = "XXXXXX", // Mututally exclusive with input.Control
+                Buttons = "XXXXXX",
+                Coins = "XXXXXX",
+                Control = [control],
+            };
+
+            var condition = new Models.Listxml.Condition
+            {
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                Relation = "XXXXXX",
+                Value = "XXXXXX",
+            };
+
+            var diplocation = new Models.Listxml.DipLocation
+            {
+                Name = "XXXXXX",
+                Number = "XXXXXX",
+                Inverted = "XXXXXX",
+            };
+
+            var dipvalue = new Models.Listxml.DipValue
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+                Default = "XXXXXX",
+                Condition = condition,
+            };
+
+            var dipswitch = new Models.Listxml.DipSwitch
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                Condition = condition,
+                DipLocation = [diplocation],
+                DipValue = [dipvalue],
+            };
+
+            var conflocation = new Models.Listxml.ConfLocation
+            {
+                Name = "XXXXXX",
+                Number = "XXXXXX",
+                Inverted = "XXXXXX",
+            };
+
+            var confsetting = new Models.Listxml.ConfSetting
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+                Default = "XXXXXX",
+                Condition = condition,
+            };
+
+            var configuration = new Models.Listxml.Configuration
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                Condition = condition,
+                ConfLocation = [conflocation],
+                ConfSetting = [confsetting],
+            };
+
+            var analog = new Models.Listxml.Analog
+            {
+                Mask = "XXXXXX",
+            };
+
+            var port = new Models.Listxml.Port
+            {
+                Tag = "XXXXXX",
+                Analog = [analog],
+            };
+
+            var adjuster = new Models.Listxml.Adjuster
+            {
+                Name = "XXXXXX",
+                Default = "XXXXXX",
+                Condition = condition,
+            };
+
+            var driver = new Models.Listxml.Driver
+            {
+                Status = "XXXXXX",
+                Color = "XXXXXX",
+                Sound = "XXXXXX",
+                PaletteSize = "XXXXXX",
+                Emulation = "XXXXXX",
+                Cocktail = "XXXXXX",
+                SaveState = "XXXXXX",
+                RequiresArtwork = "XXXXXX",
+                Unofficial = "XXXXXX",
+                NoSoundHardware = "XXXXXX",
+                Incomplete = "XXXXXX",
+            };
+
+            var feature = new Models.Listxml.Feature
+            {
+                Type = "XXXXXX",
+                Status = "XXXXXX",
+                Overall = "XXXXXX",
+            };
+
+            var instance = new Models.Listxml.Instance
+            {
+                Name = "XXXXXX",
+                BriefName = "XXXXXX",
+            };
+
+            var extension = new Models.Listxml.Extension
+            {
+                Name = "XXXXXX",
+            };
+
+            var device = new Models.Listxml.Device
+            {
+                Type = "XXXXXX",
+                Tag = "XXXXXX",
+                FixedImage = "XXXXXX",
+                Mandatory = "XXXXXX",
+                Interface = "XXXXXX",
+                Instance = instance,
+                Extension = [extension],
+            };
+
+            var slotOption = new Models.Listxml.SlotOption
+            {
+                Name = "XXXXXX",
+                DevName = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var slot = new Models.Listxml.Slot
+            {
+                Name = "XXXXXX",
+                SlotOption = [slotOption],
+            };
+
+            var softwarelist = new Models.Listxml.SoftwareList
+            {
+                Tag = "XXXXXX",
+                Name = "XXXXXX",
+                Status = "XXXXXX",
+                Filter = "XXXXXX",
+            };
+
+            var ramoption = new Models.Listxml.RamOption
+            {
+                Name = "XXXXXX",
+                Default = "XXXXXX",
+                Content = "XXXXXX",
+            };
+
+            Models.Listxml.GameBase gameBase = game
+                ? new Models.Listxml.Game()
+                : new Models.Listxml.Machine();
+            gameBase.Name = "XXXXXX";
+            gameBase.SourceFile = "XXXXXX";
+            gameBase.IsBios = "XXXXXX";
+            gameBase.IsDevice = "XXXXXX";
+            gameBase.IsMechanical = "XXXXXX";
+            gameBase.Runnable = "XXXXXX";
+            gameBase.CloneOf = "XXXXXX";
+            gameBase.RomOf = "XXXXXX";
+            gameBase.SampleOf = "XXXXXX";
+            gameBase.Description = "XXXXXX";
+            gameBase.Year = "XXXXXX";
+            gameBase.Manufacturer = "XXXXXX";
+            gameBase.History = "XXXXXX";
+            gameBase.BiosSet = [biosset];
+            gameBase.Rom = [rom];
+            gameBase.Disk = [disk];
+            gameBase.DeviceRef = [deviceref];
+            gameBase.Sample = [sample];
+            gameBase.Chip = [chip];
+            gameBase.Display = [display];
+            gameBase.Video = [video];
+            gameBase.Sound = sound;
+            gameBase.Input = input;
+            gameBase.DipSwitch = [dipswitch];
+            gameBase.Configuration = [configuration];
+            gameBase.Port = [port];
+            gameBase.Adjuster = [adjuster];
+            gameBase.Driver = driver;
+            gameBase.Feature = [feature];
+            gameBase.Device = [device];
+            gameBase.Slot = [slot];
+            gameBase.SoftwareList = [softwarelist];
+            gameBase.RamOption = [ramoption];
+
+            return new Models.Listxml.Mess
+            {
+                Version = "XXXXXX",
+                Game = [gameBase],
+            };
+        }
+
+        /// <summary>
+        /// Validate a GameBase
+        /// </summary>
+        private static void Validate(Models.Listxml.GameBase? gb)
+        {
+            Assert.NotNull(gb);
+            Assert.Equal("XXXXXX", gb.Name);
+            Assert.Equal("XXXXXX", gb.SourceFile);
+            Assert.Equal("XXXXXX", gb.IsBios);
+            Assert.Equal("XXXXXX", gb.IsDevice);
+            Assert.Equal("XXXXXX", gb.IsMechanical);
+            Assert.Equal("XXXXXX", gb.Runnable);
+            Assert.Equal("XXXXXX", gb.CloneOf);
+            Assert.Equal("XXXXXX", gb.RomOf);
+            Assert.Equal("XXXXXX", gb.SampleOf);
+            Assert.Equal("XXXXXX", gb.Description);
+            Assert.Equal("XXXXXX", gb.Year);
+            Assert.Equal("XXXXXX", gb.Manufacturer);
+            Assert.Equal("XXXXXX", gb.History);
+
+            Assert.NotNull(gb.BiosSet);
+            var biosset = Assert.Single(gb.BiosSet);
+            Validate(biosset);
+
+            Assert.NotNull(gb.Rom);
+            var rom = Assert.Single(gb.Rom);
+            Validate(rom);
+
+            Assert.NotNull(gb.Disk);
+            var disk = Assert.Single(gb.Disk);
+            Validate(disk);
+
+            Assert.NotNull(gb.DeviceRef);
+            var deviceref = Assert.Single(gb.DeviceRef);
+            Validate(deviceref);
+
+            Assert.NotNull(gb.Sample);
+            var sample = Assert.Single(gb.Sample);
+            Validate(sample);
+
+            Assert.NotNull(gb.Chip);
+            var chip = Assert.Single(gb.Chip);
+            Validate(chip);
+
+            Assert.NotNull(gb.Display);
+            var display = Assert.Single(gb.Display);
+            Validate(display);
+
+            Assert.NotNull(gb.Video);
+            var video = Assert.Single(gb.Video);
+            Validate(video);
+
+            Validate(gb.Sound);
+            Validate(gb.Input);
+
+            Assert.NotNull(gb.DipSwitch);
+            var dipswitch = Assert.Single(gb.DipSwitch);
+            Validate(dipswitch);
+
+            Assert.NotNull(gb.Configuration);
+            var configuration = Assert.Single(gb.Configuration);
+            Validate(configuration);
+
+            Assert.NotNull(gb.Port);
+            var port = Assert.Single(gb.Port);
+            Validate(port);
+
+            Assert.NotNull(gb.Adjuster);
+            var adjuster = Assert.Single(gb.Adjuster);
+            Validate(adjuster);
+
+            Validate(gb.Driver);
+
+            Assert.NotNull(gb.Feature);
+            var feature = Assert.Single(gb.Feature);
+            Validate(feature);
+
+            Assert.NotNull(gb.Device);
+            var device = Assert.Single(gb.Device);
+            Validate(device);
+
+            Assert.NotNull(gb.Slot);
+            var slot = Assert.Single(gb.Slot);
+            Validate(slot);
+
+            Assert.NotNull(gb.SoftwareList);
+            var softwarelist = Assert.Single(gb.SoftwareList);
+            Validate(softwarelist);
+
+            Assert.NotNull(gb.RamOption);
+            var ramoption = Assert.Single(gb.RamOption);
+            Validate(ramoption);
+        }
+
+        /// <summary>
+        /// Validate a BiosSet
+        /// </summary>
+        private static void Validate(Models.Listxml.BiosSet? biosset)
+        {
+            Assert.NotNull(biosset);
+            Assert.Equal("XXXXXX", biosset.Name);
+            Assert.Equal("XXXXXX", biosset.Description);
+            Assert.Equal("XXXXXX", biosset.Default);
+        }
+
+        /// <summary>
+        /// Validate a Rom
+        /// </summary>
+        private static void Validate(Models.Listxml.Rom? rom)
+        {
+            Assert.NotNull(rom);
+            Assert.Equal("XXXXXX", rom.Name);
+            Assert.Equal("XXXXXX", rom.Bios);
+            Assert.Equal("XXXXXX", rom.Size);
+            Assert.Equal("XXXXXX", rom.CRC);
+            Assert.Equal("XXXXXX", rom.SHA1);
+            Assert.Equal("XXXXXX", rom.Merge);
+            Assert.Equal("XXXXXX", rom.Region);
+            Assert.Equal("XXXXXX", rom.Offset);
+            Assert.Equal("XXXXXX", rom.Status);
+            Assert.Equal("XXXXXX", rom.Optional);
+            Assert.Equal("XXXXXX", rom.Dispose);
+            Assert.Equal("XXXXXX", rom.SoundOnly);
+        }
+
+        /// <summary>
+        /// Validate a Disk
+        /// </summary>
+        private static void Validate(Models.Listxml.Disk? disk)
+        {
+            Assert.NotNull(disk);
+            Assert.Equal("XXXXXX", disk.Name);
+            Assert.Equal("XXXXXX", disk.MD5);
+            Assert.Equal("XXXXXX", disk.SHA1);
+            Assert.Equal("XXXXXX", disk.Merge);
+            Assert.Equal("XXXXXX", disk.Region);
+            Assert.Equal("XXXXXX", disk.Index);
+            Assert.Equal("XXXXXX", disk.Writable);
+            Assert.Equal("XXXXXX", disk.Status);
+            Assert.Equal("XXXXXX", disk.Optional);
+        }
+
+        /// <summary>
+        /// Validate a DeviceRef
+        /// </summary>
+        private static void Validate(Models.Listxml.DeviceRef? deviceref)
+        {
+            Assert.NotNull(deviceref);
+            Assert.Equal("XXXXXX", deviceref.Name);
+        }
+
+        /// <summary>
+        /// Validate a Sample
+        /// </summary>
+        private static void Validate(Models.Listxml.Sample? sample)
+        {
+            Assert.NotNull(sample);
+            Assert.Equal("XXXXXX", sample.Name);
+        }
+
+        /// <summary>
+        /// Validate a Chip
+        /// </summary>
+        private static void Validate(Models.Listxml.Chip? chip)
+        {
+            Assert.NotNull(chip);
+            Assert.Equal("XXXXXX", chip.Name);
+            Assert.Equal("XXXXXX", chip.Tag);
+            Assert.Equal("XXXXXX", chip.Type);
+            Assert.Equal("XXXXXX", chip.SoundOnly);
+            Assert.Equal("XXXXXX", chip.Clock);
+        }
+
+        /// <summary>
+        /// Validate a Display
+        /// </summary>
+        private static void Validate(Models.Listxml.Display? display)
+        {
+            Assert.NotNull(display);
+            Assert.Equal("XXXXXX", display.Tag);
+            Assert.Equal("XXXXXX", display.Type);
+            Assert.Equal("XXXXXX", display.Rotate);
+            Assert.Equal("XXXXXX", display.FlipX);
+            Assert.Equal("XXXXXX", display.Width);
+            Assert.Equal("XXXXXX", display.Height);
+            Assert.Equal("XXXXXX", display.Refresh);
+            Assert.Equal("XXXXXX", display.PixClock);
+            Assert.Equal("XXXXXX", display.HTotal);
+            Assert.Equal("XXXXXX", display.HBEnd);
+            Assert.Equal("XXXXXX", display.HBStart);
+            Assert.Equal("XXXXXX", display.VTotal);
+            Assert.Equal("XXXXXX", display.VBEnd);
+            Assert.Equal("XXXXXX", display.VBStart);
+        }
+
+        /// <summary>
+        /// Validate a Video
+        /// </summary>
+        private static void Validate(Models.Listxml.Video? video)
+        {
+            Assert.NotNull(video);
+            Assert.Equal("XXXXXX", video.Screen);
+            Assert.Equal("XXXXXX", video.Orientation);
+            Assert.Equal("XXXXXX", video.Width);
+            Assert.Equal("XXXXXX", video.Height);
+            Assert.Equal("XXXXXX", video.AspectX);
+            Assert.Equal("XXXXXX", video.AspectY);
+            Assert.Equal("XXXXXX", video.Refresh);
+        }
+
+        /// <summary>
+        /// Validate a Sound
+        /// </summary>
+        private static void Validate(Models.Listxml.Sound? sound)
+        {
+            Assert.NotNull(sound);
+            Assert.Equal("XXXXXX", sound.Channels);
+        }
+
+        /// <summary>
+        /// Validate a Input
+        /// </summary>
+        private static void Validate(Models.Listxml.Input? input)
+        {
+            Assert.NotNull(input);
+            Assert.Equal("XXXXXX", input.Service);
+            Assert.Equal("XXXXXX", input.Tilt);
+            Assert.Equal("XXXXXX", input.Players);
+            //Assert.Equal("XXXXXX", input.ControlAttr); // Mututally exclusive with input.Control
+            Assert.Equal("XXXXXX", input.Buttons);
+            Assert.Equal("XXXXXX", input.Coins);
+
+            Assert.NotNull(input.Control);
+            var control = Assert.Single(input.Control);
+            Validate(control);
+        }
+
+        /// <summary>
+        /// Validate a Control
+        /// </summary>
+        private static void Validate(Models.Listxml.Control? control)
+        {
+            Assert.NotNull(control);
+            Assert.Equal("XXXXXX", control.Type);
+            Assert.Equal("XXXXXX", control.Player);
+            Assert.Equal("XXXXXX", control.Buttons);
+            Assert.Equal("XXXXXX", control.ReqButtons);
+            Assert.Equal("XXXXXX", control.Minimum);
+            Assert.Equal("XXXXXX", control.Maximum);
+            Assert.Equal("XXXXXX", control.Sensitivity);
+            Assert.Equal("XXXXXX", control.KeyDelta);
+            Assert.Equal("XXXXXX", control.Reverse);
+            Assert.Equal("XXXXXX", control.Ways);
+            Assert.Equal("XXXXXX", control.Ways2);
+            Assert.Equal("XXXXXX", control.Ways3);
+        }
+
+        /// <summary>
+        /// Validate a DipSwitch
+        /// </summary>
+        private static void Validate(Models.Listxml.DipSwitch? dipswitch)
+        {
+            Assert.NotNull(dipswitch);
+            Assert.Equal("XXXXXX", dipswitch.Name);
+            Assert.Equal("XXXXXX", dipswitch.Tag);
+            Assert.Equal("XXXXXX", dipswitch.Mask);
+            Validate(dipswitch.Condition);
+
+            Assert.NotNull(dipswitch.DipLocation);
+            var diplocation = Assert.Single(dipswitch.DipLocation);
+            Validate(diplocation);
+
+            Assert.NotNull(dipswitch.DipValue);
+            var dipvalue = Assert.Single(dipswitch.DipValue);
+            Validate(dipvalue);
+        }
+
+        /// <summary>
+        /// Validate a Condition
+        /// </summary>
+        private static void Validate(Models.Listxml.Condition? condition)
+        {
+            Assert.NotNull(condition);
+            Assert.Equal("XXXXXX", condition.Tag);
+            Assert.Equal("XXXXXX", condition.Mask);
+            Assert.Equal("XXXXXX", condition.Relation);
+            Assert.Equal("XXXXXX", condition.Value);
+        }
+
+        /// <summary>
+        /// Validate a DipLocation
+        /// </summary>
+        private static void Validate(Models.Listxml.DipLocation? diplocation)
+        {
+            Assert.NotNull(diplocation);
+            Assert.Equal("XXXXXX", diplocation.Name);
+            Assert.Equal("XXXXXX", diplocation.Number);
+            Assert.Equal("XXXXXX", diplocation.Inverted);
+        }
+
+        /// <summary>
+        /// Validate a DipValue
+        /// </summary>
+        private static void Validate(Models.Listxml.DipValue? dipvalue)
+        {
+            Assert.NotNull(dipvalue);
+            Assert.Equal("XXXXXX", dipvalue.Name);
+            Assert.Equal("XXXXXX", dipvalue.Value);
+            Assert.Equal("XXXXXX", dipvalue.Default);
+            Validate(dipvalue.Condition);
+        }
+
+        /// <summary>
+        /// Validate a Configuration
+        /// </summary>
+        private static void Validate(Models.Listxml.Configuration? configuration)
+        {
+            Assert.NotNull(configuration);
+            Assert.Equal("XXXXXX", configuration.Name);
+            Assert.Equal("XXXXXX", configuration.Tag);
+            Assert.Equal("XXXXXX", configuration.Mask);
+            Validate(configuration.Condition);
+
+            Assert.NotNull(configuration.ConfLocation);
+            var conflocation = Assert.Single(configuration.ConfLocation);
+            Validate(conflocation);
+
+            Assert.NotNull(configuration.ConfSetting);
+            var confsetting = Assert.Single(configuration.ConfSetting);
+            Validate(confsetting);
+        }
+
+        /// <summary>
+        /// Validate a ConfLocation
+        /// </summary>
+        private static void Validate(Models.Listxml.ConfLocation? conflocation)
+        {
+            Assert.NotNull(conflocation);
+            Assert.Equal("XXXXXX", conflocation.Name);
+            Assert.Equal("XXXXXX", conflocation.Number);
+            Assert.Equal("XXXXXX", conflocation.Inverted);
+        }
+
+        /// <summary>
+        /// Validate a ConfSetting
+        /// </summary>
+        private static void Validate(Models.Listxml.ConfSetting? confsetting)
+        {
+            Assert.NotNull(confsetting);
+            Assert.Equal("XXXXXX", confsetting.Name);
+            Assert.Equal("XXXXXX", confsetting.Value);
+            Assert.Equal("XXXXXX", confsetting.Default);
+            Validate(confsetting.Condition);
+        }
+
+        /// <summary>
+        /// Validate a Port
+        /// </summary>
+        private static void Validate(Models.Listxml.Port? port)
+        {
+            Assert.NotNull(port);
+            Assert.Equal("XXXXXX", port.Tag);
+
+            Assert.NotNull(port.Analog);
+            var analog = Assert.Single(port.Analog);
+            Validate(analog);
+        }
+
+        /// <summary>
+        /// Validate a Analog
+        /// </summary>
+        private static void Validate(Models.Listxml.Analog? analog)
+        {
+            Assert.NotNull(analog);
+            Assert.Equal("XXXXXX", analog.Mask);
+        }
+
+        /// <summary>
+        /// Validate a Adjuster
+        /// </summary>
+        private static void Validate(Models.Listxml.Adjuster? adjuster)
+        {
+            Assert.NotNull(adjuster);
+            Assert.Equal("XXXXXX", adjuster.Name);
+            Assert.Equal("XXXXXX", adjuster.Default);
+            Validate(adjuster.Condition);
+        }
+
+        /// <summary>
+        /// Validate a Driver
+        /// </summary>
+        private static void Validate(Models.Listxml.Driver? driver)
+        {
+            Assert.NotNull(driver);
+            Assert.Equal("XXXXXX", driver.Status);
+            Assert.Equal("XXXXXX", driver.Color);
+            Assert.Equal("XXXXXX", driver.Sound);
+            Assert.Equal("XXXXXX", driver.PaletteSize);
+            Assert.Equal("XXXXXX", driver.Emulation);
+            Assert.Equal("XXXXXX", driver.Cocktail);
+            Assert.Equal("XXXXXX", driver.SaveState);
+            Assert.Equal("XXXXXX", driver.RequiresArtwork);
+            Assert.Equal("XXXXXX", driver.Unofficial);
+            Assert.Equal("XXXXXX", driver.NoSoundHardware);
+            Assert.Equal("XXXXXX", driver.Incomplete);
+        }
+
+        /// <summary>
+        /// Validate a Feature
+        /// </summary>
+        private static void Validate(Models.Listxml.Feature? feature)
+        {
+            Assert.NotNull(feature);
+            Assert.Equal("XXXXXX", feature.Type);
+            Assert.Equal("XXXXXX", feature.Status);
+            Assert.Equal("XXXXXX", feature.Overall);
+        }
+
+        /// <summary>
+        /// Validate a Device
+        /// </summary>
+        private static void Validate(Models.Listxml.Device? device)
+        {
+            Assert.NotNull(device);
+            Assert.Equal("XXXXXX", device.Type);
+            Assert.Equal("XXXXXX", device.Tag);
+            Assert.Equal("XXXXXX", device.FixedImage);
+            Assert.Equal("XXXXXX", device.Mandatory);
+            Assert.Equal("XXXXXX", device.Interface);
+            Validate(device.Instance);
+
+            Assert.NotNull(device.Extension);
+            var extension = Assert.Single(device.Extension);
+            Validate(extension);
+        }
+
+        /// <summary>
+        /// Validate a Instance
+        /// </summary>
+        private static void Validate(Models.Listxml.Instance? instance)
+        {
+            Assert.NotNull(instance);
+            Assert.Equal("XXXXXX", instance.Name);
+            Assert.Equal("XXXXXX", instance.BriefName);
+        }
+
+        /// <summary>
+        /// Validate a Extension
+        /// </summary>
+        private static void Validate(Models.Listxml.Extension? extension)
+        {
+            Assert.NotNull(extension);
+            Assert.Equal("XXXXXX", extension.Name);
+        }
+
+        /// <summary>
+        /// Validate a Slot
+        /// </summary>
+        private static void Validate(Models.Listxml.Slot? slot)
+        {
+            Assert.NotNull(slot);
+            Assert.Equal("XXXXXX", slot.Name);
+
+            Assert.NotNull(slot.SlotOption);
+            var slotoption = Assert.Single(slot.SlotOption);
+            Validate(slotoption);
+        }
+
+        /// <summary>
+        /// Validate a SlotOption
+        /// </summary>
+        private static void Validate(Models.Listxml.SlotOption? slotoption)
+        {
+            Assert.NotNull(slotoption);
+            Assert.Equal("XXXXXX", slotoption.Name);
+            Assert.Equal("XXXXXX", slotoption.DevName);
+            Assert.Equal("XXXXXX", slotoption.Default);
+        }
+
+        /// <summary>
+        /// Validate a SoftwareList
+        /// </summary>
+        private static void Validate(Models.Listxml.SoftwareList? softwarelist)
+        {
+            Assert.NotNull(softwarelist);
+            Assert.Equal("XXXXXX", softwarelist.Tag);
+            Assert.Equal("XXXXXX", softwarelist.Name);
+            Assert.Equal("XXXXXX", softwarelist.Status);
+            Assert.Equal("XXXXXX", softwarelist.Filter);
+        }
+
+        /// <summary>
+        /// Validate a RamOption
+        /// </summary>
+        private static void Validate(Models.Listxml.RamOption? ramoption)
+        {
+            Assert.NotNull(ramoption);
+            Assert.Equal("XXXXXX", ramoption.Name);
+            Assert.Equal("XXXXXX", ramoption.Default);
+            Assert.Equal("XXXXXX", ramoption.Content);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/MicrosoftCabinetTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class MicrosoftCabinetTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new MicrosoftCabinet();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new MicrosoftCabinet();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new MicrosoftCabinet();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new MicrosoftCabinet();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new MicrosoftCabinet();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new MicrosoftCabinet();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/MoPaQTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class MoPaQTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new MoPaQ();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new MoPaQ();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new MoPaQ();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new MoPaQ();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new MoPaQ();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new MoPaQ();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/N3DSTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class N3DSTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new N3DS();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new N3DS();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new N3DS();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new N3DS();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new N3DS();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new N3DS();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/NCFTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class NCFTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new NCF();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new NCF();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new NCF();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new NCF();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new NCF();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new NCF();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/NewExecutableTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class NewExecutableTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new NewExecutable();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new NewExecutable();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new NewExecutable();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new NewExecutable();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new NewExecutable();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new NewExecutable();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/NitroTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class NitroTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new Nitro();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new Nitro();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new Nitro();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new Nitro();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new Nitro();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new Nitro();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/OfflineListTests.cs

@@ -0,0 +1,518 @@
+using System;
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class OfflineListTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new OfflineList();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new OfflineList();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new OfflineList();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new OfflineList();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new OfflineList();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new OfflineList();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.OfflineList();
+            var serializer = new Serialization.Serializers.OfflineList();
+
+            // Build the data
+            Models.OfflineList.Dat dat = Build();
+
+            // Serialize to stream
+            Stream? metadata = serializer.Serialize(dat);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.OfflineList.Dat? newDat = deserializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newDat);
+            Assert.Equal("XXXXXX", newDat.NoNamespaceSchemaLocation);
+            Validate(newDat.Configuration);
+            Validate(newDat.Games);
+            Validate(newDat.GUI);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.OfflineList.Dat Build()
+        {
+            var infos = new Models.OfflineList.Infos
+            {
+                Title = new Models.OfflineList.Title
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                Location = new Models.OfflineList.Location
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                Publisher = new Models.OfflineList.Publisher
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                SourceRom = new Models.OfflineList.SourceRom
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                SaveType = new Models.OfflineList.SaveType
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                RomSize = new Models.OfflineList.RomSize
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                ReleaseNumber = new Models.OfflineList.ReleaseNumber
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                ImageNumber = new Models.OfflineList.ImageNumber
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                LanguageNumber = new Models.OfflineList.LanguageNumber
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                Comment = new Models.OfflineList.Comment
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                RomCRC = new Models.OfflineList.RomCRC
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                Im1CRC = new Models.OfflineList.Im1CRC
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                Im2CRC = new Models.OfflineList.Im2CRC
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                Languages = new Models.OfflineList.Languages
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+            };
+
+            var canopen = new Models.OfflineList.CanOpen
+            {
+                Extension = ["XXXXXX"],
+            };
+
+            var daturl = new Models.OfflineList.DatUrl
+            {
+                FileName = "XXXXXX",
+                Content = "XXXXXX",
+            };
+
+            var newdat = new Models.OfflineList.NewDat
+            {
+                DatVersionUrl = "XXXXXX",
+                DatUrl = daturl,
+                ImUrl = "XXXXXX",
+            };
+
+            var find = new Models.OfflineList.Find
+            {
+                Operation = "XXXXXX",
+                Value = "XXXXXX",
+                Content = "XXXXXX",
+            };
+
+            var to = new Models.OfflineList.To
+            {
+                Value = "XXXXXX",
+                Default = "XXXXXX",
+                Auto = "XXXXXX",
+                Find = [find],
+            };
+
+            var search = new Models.OfflineList.Search
+            {
+                To = [to],
+            };
+
+            var configuration = new Models.OfflineList.Configuration
+            {
+                DatName = "XXXXXX",
+                ImFolder = "XXXXXX",
+                DatVersion = "XXXXXX",
+                System = "XXXXXX",
+                ScreenshotsWidth = "XXXXXX",
+                ScreenshotsHeight = "XXXXXX",
+                Infos = infos,
+                CanOpen = canopen,
+                NewDat = newdat,
+                Search = search,
+                RomTitle = "XXXXXX",
+            };
+
+            var fileromcrc = new Models.OfflineList.FileRomCRC
+            {
+                Extension = "XXXXXX",
+                Content = "XXXXXX",
+            };
+
+            var files = new Models.OfflineList.Files
+            {
+                RomCRC = [fileromcrc],
+            };
+
+            var game = new Models.OfflineList.Game
+            {
+                ImageNumber = "XXXXXX",
+                ReleaseNumber = "XXXXXX",
+                Title = "XXXXXX",
+                SaveType = "XXXXXX",
+                RomSize = "XXXXXX",
+                Publisher = "XXXXXX",
+                Location = "XXXXXX",
+                SourceRom = "XXXXXX",
+                Language = "XXXXXX",
+                Files = files,
+                Im1CRC = "XXXXXX",
+                Im2CRC = "XXXXXX",
+                Comment = "XXXXXX",
+                DuplicateID = "XXXXXX",
+            };
+
+            var games = new Models.OfflineList.Games
+            {
+                Game = [game],
+            };
+
+            var image = new Models.OfflineList.Image
+            {
+                X = "XXXXXX",
+                Y = "XXXXXX",
+                Width = "XXXXXX",
+                Height = "XXXXXX",
+            };
+
+            var images = new Models.OfflineList.Images
+            {
+                Width = "XXXXXX",
+                Height = "XXXXXX",
+                Image = [image],
+            };
+
+            var gui = new Models.OfflineList.GUI
+            {
+                Images = images,
+            };
+
+            return new Models.OfflineList.Dat
+            {
+                NoNamespaceSchemaLocation = "XXXXXX",
+                Configuration = configuration,
+                Games = games,
+                GUI = gui,
+            };
+        }
+
+        /// <summary>
+        /// Validate a Configuration
+        /// </summary>
+        private static void Validate(Models.OfflineList.Configuration? configuration)
+        {
+            Assert.NotNull(configuration);
+            Assert.Equal("XXXXXX", configuration.DatName);
+            Assert.Equal("XXXXXX", configuration.ImFolder);
+            Assert.Equal("XXXXXX", configuration.DatVersion);
+            Assert.Equal("XXXXXX", configuration.System);
+            Assert.Equal("XXXXXX", configuration.ScreenshotsWidth);
+            Assert.Equal("XXXXXX", configuration.ScreenshotsHeight);
+            Validate(configuration.Infos);
+            Validate(configuration.CanOpen);
+            Validate(configuration.NewDat);
+            Validate(configuration.Search);
+            Assert.Equal("XXXXXX", configuration.RomTitle);
+        }
+
+        /// <summary>
+        /// Validate a Infos
+        /// </summary>
+        private static void Validate(Models.OfflineList.Infos? infos)
+        {
+            Assert.NotNull(infos);
+            Validate(infos.Title);
+            Validate(infos.Location);
+            Validate(infos.Publisher);
+            Validate(infos.SourceRom);
+            Validate(infos.SaveType);
+            Validate(infos.RomSize);
+            Validate(infos.ReleaseNumber);
+            Validate(infos.ImageNumber);
+            Validate(infos.LanguageNumber);
+            Validate(infos.Comment);
+            Validate(infos.RomCRC);
+            Validate(infos.Im1CRC);
+            Validate(infos.Im2CRC);
+            Validate(infos.Languages);
+        }
+
+        /// <summary>
+        /// Validate a InfoBase
+        /// </summary>
+        private static void Validate(Models.OfflineList.InfoBase? info)
+        {
+            Assert.NotNull(info);
+            Assert.Equal("XXXXXX", info.Visible);
+            Assert.Equal("XXXXXX", info.InNamingOption);
+            Assert.Equal("XXXXXX", info.Default);
+        }
+
+        /// <summary>
+        /// Validate a CanOpen
+        /// </summary>
+        private static void Validate(Models.OfflineList.CanOpen? canopen)
+        {
+            Assert.NotNull(canopen);
+            Assert.NotNull(canopen.Extension);
+            string extension = Assert.Single(canopen.Extension);
+            Assert.Equal("XXXXXX", extension);
+        }
+
+        /// <summary>
+        /// Validate a NewDat
+        /// </summary>
+        private static void Validate(Models.OfflineList.NewDat? newdat)
+        {
+            Assert.NotNull(newdat);
+            Assert.Equal("XXXXXX", newdat.DatVersionUrl);
+            Validate(newdat.DatUrl);
+            Assert.Equal("XXXXXX", newdat.ImUrl);
+        }
+
+        /// <summary>
+        /// Validate a DatUrl
+        /// </summary>
+        private static void Validate(Models.OfflineList.DatUrl? daturl)
+        {
+            Assert.NotNull(daturl);
+            Assert.Equal("XXXXXX", daturl.FileName);
+            Assert.Equal("XXXXXX", daturl.Content);
+        }
+
+        /// <summary>
+        /// Validate a Search
+        /// </summary>
+        private static void Validate(Models.OfflineList.Search? search)
+        {
+            Assert.NotNull(search);
+            Assert.NotNull(search.To);
+            var to = Assert.Single(search.To);
+            Validate(to);
+        }
+
+        /// <summary>
+        /// Validate a To
+        /// </summary>
+        private static void Validate(Models.OfflineList.To? to)
+        {
+            Assert.NotNull(to);
+            Assert.Equal("XXXXXX", to.Value);
+            Assert.Equal("XXXXXX", to.Default);
+            Assert.Equal("XXXXXX", to.Auto);
+
+            Assert.NotNull(to.Find);
+            var find = Assert.Single(to.Find);
+            Validate(find);
+        }
+
+        /// <summary>
+        /// Validate a Find
+        /// </summary>
+        private static void Validate(Models.OfflineList.Find? find)
+        {
+            Assert.NotNull(find);
+            Assert.Equal("XXXXXX", find.Operation);
+            Assert.Equal("XXXXXX", find.Value);
+            Assert.Equal("XXXXXX", find.Content);
+        }
+
+        /// <summary>
+        /// Validate a Games
+        /// </summary>
+        private static void Validate(Models.OfflineList.Games? games)
+        {
+            Assert.NotNull(games);
+            Assert.NotNull(games.Game);
+            var game = Assert.Single(games.Game);
+            Validate(game);
+        }
+
+        /// <summary>
+        /// Validate a Game
+        /// </summary>
+        private static void Validate(Models.OfflineList.Game? game)
+        {
+            Assert.NotNull(game);
+            Assert.Equal("XXXXXX", game.ImageNumber);
+            Assert.Equal("XXXXXX", game.ReleaseNumber);
+            Assert.Equal("XXXXXX", game.Title);
+            Assert.Equal("XXXXXX", game.SaveType);
+            Assert.Equal("XXXXXX", game.RomSize);
+            Assert.Equal("XXXXXX", game.Publisher);
+            Assert.Equal("XXXXXX", game.Location);
+            Assert.Equal("XXXXXX", game.SourceRom);
+            Assert.Equal("XXXXXX", game.Language);
+            Validate(game.Files);
+            Assert.Equal("XXXXXX", game.Im1CRC);
+            Assert.Equal("XXXXXX", game.Im2CRC);
+            Assert.Equal("XXXXXX", game.Comment);
+            Assert.Equal("XXXXXX", game.DuplicateID);
+        }
+
+        /// <summary>
+        /// Validate a Files
+        /// </summary>
+        private static void Validate(Models.OfflineList.Files? files)
+        {
+            Assert.NotNull(files);
+            Assert.NotNull(files.RomCRC);
+            var fileromcrc = Assert.Single(files.RomCRC);
+            Validate(fileromcrc);
+        }
+
+        /// <summary>
+        /// Validate a FileRomCRC
+        /// </summary>
+        private static void Validate(Models.OfflineList.FileRomCRC? fileromcrc)
+        {
+            Assert.NotNull(fileromcrc);
+            Assert.Equal("XXXXXX", fileromcrc.Extension);
+            Assert.Equal("XXXXXX", fileromcrc.Content);
+        }
+
+        /// <summary>
+        /// Validate a GUI
+        /// </summary>
+        private static void Validate(Models.OfflineList.GUI? gui)
+        {
+            Assert.NotNull(gui);
+            Validate(gui.Images);
+        }
+
+        /// <summary>
+        /// Validate a Images
+        /// </summary>
+        private static void Validate(Models.OfflineList.Images? images)
+        {
+            Assert.NotNull(images);
+            Assert.Equal("XXXXXX", images.Width);
+            Assert.Equal("XXXXXX", images.Height);
+
+            Assert.NotNull(images.Image);
+            var image = Assert.Single(images.Image);
+            Validate(image);
+        }
+
+        /// <summary>
+        /// Validate a Image
+        /// </summary>
+        private static void Validate(Models.OfflineList.Image? image)
+        {
+            Assert.NotNull(image);
+            Assert.Equal("XXXXXX", image.X);
+            Assert.Equal("XXXXXX", image.Y);
+            Assert.Equal("XXXXXX", image.Width);
+            Assert.Equal("XXXXXX", image.Height);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/OpenMSXTests.cs

@@ -0,0 +1,224 @@
+using System;
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class OpenMSXTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new OpenMSX();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new OpenMSX();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new OpenMSX();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new OpenMSX();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new OpenMSX();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new OpenMSX();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.OpenMSX();
+            var serializer = new Serialization.Serializers.OpenMSX();
+
+            // Build the data
+            Models.OpenMSX.SoftwareDb sdb = Build();
+
+            // Serialize to stream
+            Stream? metadata = serializer.Serialize(sdb);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.OpenMSX.SoftwareDb? newSdb = deserializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newSdb);
+            Assert.Equal("XXXXXX", newSdb.Timestamp);
+
+            Assert.NotNull(newSdb.Software);
+            var software = Assert.Single(newSdb.Software);
+            Validate(software);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.OpenMSX.SoftwareDb Build()
+        {
+            var original = new Models.OpenMSX.Original
+            {
+                Value = "XXXXXX",
+                Content = "XXXXXX",
+            };
+
+            var rom = new Models.OpenMSX.Rom
+            {
+                Start = "XXXXXX",
+                Type = "XXXXXX",
+                Hash = "XXXXXX",
+                Remark = "XXXXXX",
+            };
+
+            var dump_rom = new Models.OpenMSX.Dump
+            {
+                Original = original,
+                Rom = rom,
+            };
+
+            var megarom = new Models.OpenMSX.MegaRom
+            {
+                Start = "XXXXXX",
+                Type = "XXXXXX",
+                Hash = "XXXXXX",
+                Remark = "XXXXXX",
+            };
+
+            var dump_megarom = new Models.OpenMSX.Dump
+            {
+                Original = original,
+                Rom = megarom,
+            };
+
+            var sccpluscart = new Models.OpenMSX.SCCPlusCart
+            {
+                Start = "XXXXXX",
+                Type = "XXXXXX",
+                Hash = "XXXXXX",
+                Remark = "XXXXXX",
+            };
+
+            var dump_sccpluscart = new Models.OpenMSX.Dump
+            {
+                Original = original,
+                Rom = sccpluscart,
+            };
+
+            var software = new Models.OpenMSX.Software
+            {
+                Title = "XXXXXX",
+                GenMSXID = "XXXXXX",
+                System = "XXXXXX",
+                Company = "XXXXXX",
+                Year = "XXXXXX",
+                Country = "XXXXXX",
+                Dump = [dump_rom, dump_megarom, dump_sccpluscart],
+            };
+
+            return new Models.OpenMSX.SoftwareDb
+            {
+                Timestamp = "XXXXXX",
+                Software = [software],
+            };
+        }
+
+        /// <summary>
+        /// Validate a Software
+        /// </summary>
+        private static void Validate(Models.OpenMSX.Software? software)
+        {
+            Assert.NotNull(software);
+            Assert.Equal("XXXXXX", software.Title);
+            Assert.Equal("XXXXXX", software.GenMSXID);
+            Assert.Equal("XXXXXX", software.System);
+            Assert.Equal("XXXXXX", software.Company);
+            Assert.Equal("XXXXXX", software.Year);
+            Assert.Equal("XXXXXX", software.Country);
+
+            Assert.NotNull(software.Dump);
+            Assert.Equal(3, software.Dump.Length);
+            foreach (var dump in software.Dump)
+            {
+                Validate(dump);
+            }
+        }
+
+        /// <summary>
+        /// Validate a Dump
+        /// </summary>
+        private static void Validate(Models.OpenMSX.Dump? dump)
+        {
+            Assert.NotNull(dump);
+            Validate(dump.Original);
+            Validate(dump.Rom);
+        }
+
+        /// <summary>
+        /// Validate a Original
+        /// </summary>
+        private static void Validate(Models.OpenMSX.Original? original)
+        {
+            Assert.NotNull(original);
+            Assert.Equal("XXXXXX", original.Value);
+            Assert.Equal("XXXXXX", original.Content);
+        }
+
+        /// <summary>
+        /// Validate a RomBase
+        /// </summary>
+        private static void Validate(Models.OpenMSX.RomBase? rombase)
+        {
+            Assert.NotNull(rombase);
+            Assert.Equal("XXXXXX", rombase.Start);
+            Assert.Equal("XXXXXX", rombase.Type);
+            Assert.Equal("XXXXXX", rombase.Hash);
+            Assert.Equal("XXXXXX", rombase.Remark);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/PAKTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class PAKTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new PAK();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new PAK();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new PAK();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new PAK();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new PAK();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new PAK();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/PFFTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class PFFTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new PFF();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new PFF();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new PFF();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new PFF();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new PFF();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new PFF();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/PICTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class PICTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new PIC();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new PIC();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new PIC();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new PIC();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new PIC();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new PIC();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/PKZIPTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class PKZIPTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new PKZIP();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new PKZIP();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new PKZIP();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new PKZIP();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new PKZIP();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new PKZIP();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/PlayJAudioTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class PlayJAudioTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new PlayJAudio();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new PlayJAudio();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new PlayJAudio();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new PlayJAudio();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new PlayJAudio();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new PlayJAudio();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/PlayJPlaylistTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class PlayJPlaylistTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new PlayJPlaylist();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new PlayJPlaylist();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new PlayJPlaylist();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new PlayJPlaylist();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new PlayJPlaylist();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new PlayJPlaylist();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/PortableExecutableTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class PortableExecutableTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new PortableExecutable();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new PortableExecutable();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new PortableExecutable();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new PortableExecutable();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new PortableExecutable();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new PortableExecutable();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/QuantumTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class QuantumTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new Quantum();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new Quantum();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new Quantum();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new Quantum();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new Quantum();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new Quantum();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/RomCenterTests.cs

@@ -0,0 +1,221 @@
+using System;
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class RomCenterTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new RomCenter();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new RomCenter();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new RomCenter();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new RomCenter();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new RomCenter();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new RomCenter();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.RomCenter();
+            var serializer = new Serialization.Serializers.RomCenter();
+
+            // Build the data
+            Models.RomCenter.MetadataFile mf = Build();
+
+            // Serialize to stream
+            Stream? metadata = serializer.Serialize(mf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.RomCenter.MetadataFile? newMf = deserializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Validate(newMf.Credits);
+            Validate(newMf.Dat);
+            Validate(newMf.Emulator);
+            Validate(newMf.Games);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.RomCenter.MetadataFile Build()
+        {
+            var credits = new Models.RomCenter.Credits
+            {
+                Author = "XXXXXX",
+                Version = "XXXXXX",
+                Email = "XXXXXX",
+                Homepage = "XXXXXX",
+                Url = "XXXXXX",
+                Date = "XXXXXX",
+                Comment = "XXXXXX",
+            };
+
+            var dat = new Models.RomCenter.Dat
+            {
+                Version = "XXXXXX",
+                Plugin = "XXXXXX",
+                Split = "XXXXXX",
+                Merge = "XXXXXX",
+            };
+
+            var emulator = new Models.RomCenter.Emulator
+            {
+                RefName = "XXXXXX",
+                Version = "XXXXXX",
+            };
+
+            var rom = new Models.RomCenter.Rom
+            {
+                ParentName = "XXXXXX",
+                ParentDescription = "XXXXXX",
+                GameName = "XXXXXX",
+                GameDescription = "XXXXXX",
+                RomName = "XXXXXX",
+                RomCRC = "XXXXXX",
+                RomSize = "XXXXXX",
+                RomOf = "XXXXXX",
+                MergeName = "XXXXXX",
+            };
+
+            var games = new Models.RomCenter.Games
+            {
+                Rom = [rom],
+            };
+
+            return new Models.RomCenter.MetadataFile
+            {
+                Credits = credits,
+                Dat = dat,
+                Emulator = emulator,
+                Games = games,
+            };
+        }
+
+        /// <summary>
+        /// Validate a Credits
+        /// </summary>
+        private static void Validate(Models.RomCenter.Credits? credits)
+        {
+            Assert.NotNull(credits);
+            Assert.Equal("XXXXXX", credits.Author);
+            Assert.Equal("XXXXXX", credits.Version);
+            Assert.Equal("XXXXXX", credits.Email);
+            Assert.Equal("XXXXXX", credits.Homepage);
+            Assert.Equal("XXXXXX", credits.Url);
+            Assert.Equal("XXXXXX", credits.Date);
+            Assert.Equal("XXXXXX", credits.Comment);
+        }
+
+        /// <summary>
+        /// Validate a Dat
+        /// </summary>
+        private static void Validate(Models.RomCenter.Dat? dat)
+        {
+            Assert.NotNull(dat);
+            Assert.Equal("XXXXXX", dat.Version);
+            Assert.Equal("XXXXXX", dat.Plugin);
+            Assert.Equal("XXXXXX", dat.Split);
+            Assert.Equal("XXXXXX", dat.Merge);
+        }
+
+        /// <summary>
+        /// Validate a Emulator
+        /// </summary>
+        private static void Validate(Models.RomCenter.Emulator? emulator)
+        {
+            Assert.NotNull(emulator);
+            Assert.Equal("XXXXXX", emulator.RefName);
+            Assert.Equal("XXXXXX", emulator.Version);
+        }
+
+        /// <summary>
+        /// Validate a Games
+        /// </summary>
+        private static void Validate(Models.RomCenter.Games? games)
+        {
+            Assert.NotNull(games);
+            Assert.NotNull(games.Rom);
+            var rom = Assert.Single(games.Rom);
+            Validate(rom);
+        }
+
+        /// <summary>
+        /// Validate a Rom
+        /// </summary>
+        private static void Validate(Models.RomCenter.Rom? rom)
+        {
+            Assert.NotNull(rom);
+            Assert.Equal("XXXXXX", rom.ParentName);
+            Assert.Equal("XXXXXX", rom.ParentDescription);
+            Assert.Equal("XXXXXX", rom.GameName);
+            Assert.Equal("XXXXXX", rom.GameDescription);
+            Assert.Equal("XXXXXX", rom.RomName);
+            Assert.Equal("XXXXXX", rom.RomCRC);
+            Assert.Equal("XXXXXX", rom.RomSize);
+            Assert.Equal("XXXXXX", rom.RomOf);
+            Assert.Equal("XXXXXX", rom.MergeName);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/SFBTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class SFBTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new SFB();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new SFB();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new SFB();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new SFB();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new SFB();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new SFB();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/SFOTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class SFOTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new SFO();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new SFO();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new SFO();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new SFO();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new SFO();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new SFO();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/SGATests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class SGATests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new SGA();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new SGA();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new SGA();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new SGA();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new SGA();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new SGA();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/SeparatedValueTests.cs

@@ -0,0 +1,308 @@
+using System;
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class SeparatedValueTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new SeparatedValue();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new SeparatedValue();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new SeparatedValue();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new SeparatedValue();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new SeparatedValue();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new SeparatedValue();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void RoundTripShortTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.SeparatedValue();
+            var serializer = new Serialization.Serializers.SeparatedValue();
+
+            // Build the data
+            Models.SeparatedValue.MetadataFile mf = Build();
+
+            // Serialize to stream
+            Stream? actual = Serialization.Serializers.SeparatedValue.SerializeStream(mf, longHeader: false);
+            Assert.NotNull(actual);
+
+            // Serialize back to original model
+            Models.SeparatedValue.MetadataFile? newMf = deserializer.Deserialize(actual);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Validate(newMf.Header, longHeader: false);
+            Assert.NotNull(newMf.Row);
+            Assert.Equal(3, newMf.Row.Length);
+
+            ValidateDisk(newMf.Row[0], longHeader: false);
+            ValidateMedia(newMf.Row[1], longHeader: false);
+            ValidateRom(newMf.Row[2], longHeader: false);
+        }
+
+        [Fact]
+        public void RoundTripLongTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.SeparatedValue();
+            var serializer = new Serialization.Serializers.SeparatedValue();
+
+            // Build the data
+            Models.SeparatedValue.MetadataFile mf = Build();
+
+            // Serialize to stream
+            Stream? actual = Serialization.Serializers.SeparatedValue.SerializeStream(mf, longHeader: true);
+            Assert.NotNull(actual);
+
+            // Serialize back to original model
+            Models.SeparatedValue.MetadataFile? newMf = deserializer.Deserialize(actual);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Validate(newMf.Header, longHeader: true);
+            Assert.NotNull(newMf.Row);
+            Assert.Equal(3, newMf.Row.Length);
+
+            ValidateDisk(newMf.Row[0], longHeader: true);
+            ValidateMedia(newMf.Row[1], longHeader: true);
+            ValidateRom(newMf.Row[2], longHeader: true);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.SeparatedValue.MetadataFile Build()
+        {
+            string[] header = ["header"];
+
+            var disk = new Models.SeparatedValue.Row
+            {
+                FileName = "XXXXXX",
+                InternalName = "XXXXXX",
+                Description = "XXXXXX",
+                GameName = "XXXXXX",
+                GameDescription = "XXXXXX",
+                Type = "disk",
+                DiskName = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Status = "XXXXXX",
+            };
+
+            var media = new Models.SeparatedValue.Row
+            {
+                FileName = "XXXXXX",
+                InternalName = "XXXXXX",
+                Description = "XXXXXX",
+                GameName = "XXXXXX",
+                GameDescription = "XXXXXX",
+                Type = "media",
+                DiskName = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                SHA256 = "XXXXXX",
+                SpamSum = "XXXXXX",
+            };
+
+            var rom = new Models.SeparatedValue.Row
+            {
+                FileName = "XXXXXX",
+                InternalName = "XXXXXX",
+                Description = "XXXXXX",
+                GameName = "XXXXXX",
+                GameDescription = "XXXXXX",
+                Type = "rom",
+                RomName = "XXXXXX",
+                Size = "XXXXXX",
+                CRC = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                SHA256 = "XXXXXX",
+                SHA384 = "XXXXXX",
+                SHA512 = "XXXXXX",
+                SpamSum = "XXXXXX",
+                Status = "XXXXXX",
+            };
+
+            return new Models.SeparatedValue.MetadataFile
+            {
+                Header = header,
+                Row = [disk, media, rom],
+            };
+        }
+
+        /// <summary>
+        /// Validate a header
+        /// </summary>
+        private static void Validate(string[]? header, bool longHeader)
+        {
+            Assert.NotNull(header);
+            if (longHeader)
+                Assert.True(Serialization.Serializers.SeparatedValue.HeaderArrayExtended.SequenceEqual(header));
+            else
+                Assert.True(Serialization.Serializers.SeparatedValue.HeaderArrayStandard.SequenceEqual(header));
+        }
+
+        /// <summary>
+        /// Validate a Row
+        /// </summary>
+        private static void ValidateDisk(Models.SeparatedValue.Row? row, bool longHeader)
+        {
+            Assert.NotNull(row);
+            Assert.Equal("XXXXXX", row.FileName);
+            Assert.Equal("XXXXXX", row.InternalName);
+            Assert.Equal("XXXXXX", row.Description);
+            Assert.Equal("XXXXXX", row.GameName);
+            Assert.Equal("XXXXXX", row.GameDescription);
+            Assert.Equal("disk", row.Type);
+            Assert.NotNull(row.RomName); Assert.Empty(row.RomName);
+            Assert.Equal("XXXXXX", row.DiskName);
+            Assert.NotNull(row.Size); Assert.Empty(row.Size);
+            Assert.NotNull(row.CRC); Assert.Empty(row.CRC);
+            Assert.Equal("XXXXXX", row.MD5);
+            Assert.Equal("XXXXXX", row.SHA1);
+            Assert.NotNull(row.CRC); Assert.Empty(row.CRC);
+            if (longHeader)
+            {
+                Assert.NotNull(row.SHA384); Assert.Empty(row.SHA384);
+                Assert.NotNull(row.SHA512); Assert.Empty(row.SHA512);
+                Assert.NotNull(row.SpamSum); Assert.Empty(row.SpamSum);
+            }
+            else
+            {
+                Assert.Null(row.SHA384);
+                Assert.Null(row.SHA512);
+                Assert.Null(row.SpamSum);
+            }
+            Assert.Equal("XXXXXX", row.Status);
+        }
+
+        /// <summary>
+        /// Validate a Row
+        /// </summary>
+        private static void ValidateMedia(Models.SeparatedValue.Row? row, bool longHeader)
+        {
+            Assert.NotNull(row);
+            Assert.Equal("XXXXXX", row.FileName);
+            Assert.Equal("XXXXXX", row.InternalName);
+            Assert.Equal("XXXXXX", row.Description);
+            Assert.Equal("XXXXXX", row.GameName);
+            Assert.Equal("XXXXXX", row.GameDescription);
+            Assert.Equal("media", row.Type);
+            Assert.NotNull(row.RomName); Assert.Empty(row.RomName);
+            Assert.Equal("XXXXXX", row.DiskName);
+            Assert.NotNull(row.Size); Assert.Empty(row.Size);
+            Assert.NotNull(row.CRC); Assert.Empty(row.CRC);
+            Assert.Equal("XXXXXX", row.MD5);
+            Assert.Equal("XXXXXX", row.SHA1);
+            Assert.Equal("XXXXXX", row.SHA256);
+            if (longHeader)
+            {
+                Assert.NotNull(row.SHA384); Assert.Empty(row.SHA384);
+                Assert.NotNull(row.SHA512); Assert.Empty(row.SHA512);
+                Assert.Equal("XXXXXX", row.SpamSum);
+            }
+            else
+            {
+                Assert.Null(row.SHA384);
+                Assert.Null(row.SHA512);
+                Assert.Null(row.SpamSum);
+            }
+            Assert.NotNull(row.Status); Assert.Empty(row.Status);
+        }
+
+        /// <summary>
+        /// Validate a Row
+        /// </summary>
+        private static void ValidateRom(Models.SeparatedValue.Row? row, bool longHeader)
+        {
+            Assert.NotNull(row);
+            Assert.Equal("XXXXXX", row.FileName);
+            Assert.Equal("XXXXXX", row.InternalName);
+            Assert.Equal("XXXXXX", row.Description);
+            Assert.Equal("XXXXXX", row.GameName);
+            Assert.Equal("XXXXXX", row.GameDescription);
+            Assert.Equal("rom", row.Type);
+            Assert.Equal("XXXXXX", row.RomName);
+            Assert.NotNull(row.DiskName);
+            Assert.Empty(row.DiskName);
+            Assert.Equal("XXXXXX", row.Size);
+            Assert.Equal("XXXXXX", row.CRC);
+            Assert.Equal("XXXXXX", row.MD5);
+            Assert.Equal("XXXXXX", row.SHA1);
+            Assert.Equal("XXXXXX", row.SHA256);
+            if (longHeader)
+            {
+                Assert.Equal("XXXXXX", row.SHA384);
+                Assert.Equal("XXXXXX", row.SHA512);
+                Assert.Equal("XXXXXX", row.SpamSum);
+            }
+            else
+            {
+                Assert.Null(row.SHA384);
+                Assert.Null(row.SHA512);
+                Assert.Null(row.SpamSum);
+            }
+            Assert.Equal("XXXXXX", row.Status);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/SoftwareListTests.cs

@@ -0,0 +1,378 @@
+using System;
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class SoftwareListTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new SoftwareList();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new SoftwareList();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new SoftwareList();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new SoftwareList();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new SoftwareList();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new SoftwareList();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the serializer and deserializer
+            var deserializer = new Serialization.Deserializers.SoftwareList();
+            var serializer = new Serialization.Serializers.SoftwareList();
+
+            // Build the data
+            Models.SoftwareList.SoftwareList sl = Build();
+
+            // Serialize to stream
+            Stream? actual = serializer.Serialize(sl);
+            Assert.NotNull(actual);
+
+            // Serialize back to original model
+            Models.SoftwareList.SoftwareList? newSl = deserializer.Deserialize(actual);
+
+            // Validate the data
+            Assert.NotNull(newSl);
+            Assert.Equal("XXXXXX", newSl.Name);
+            Assert.Equal("XXXXXX", newSl.Description);
+            Assert.Equal("XXXXXX", newSl.Notes);
+
+            Assert.NotNull(newSl.Software);
+            var newSoftware = Assert.Single(newSl.Software);
+            Validate(newSoftware);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.SoftwareList.SoftwareList Build()
+        {
+            var info = new Models.SoftwareList.Info
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+            };
+
+            var sharedfeat = new Models.SoftwareList.SharedFeat
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+            };
+
+            var feature = new Models.SoftwareList.Feature
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+            };
+
+            var rom = new Models.SoftwareList.Rom
+            {
+                Name = "XXXXXX",
+                Size = "XXXXXX",
+                Length = "XXXXXX",
+                CRC = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Offset = "XXXXXX",
+                Value = "XXXXXX",
+                Status = "XXXXXX",
+                LoadFlag = "XXXXXX",
+            };
+
+            var dataarea = new Models.SoftwareList.DataArea
+            {
+                Name = "XXXXXX",
+                Size = "XXXXXX",
+                Width = "XXXXXX",
+                Endianness = "XXXXXX",
+                Rom = [rom],
+            };
+
+            var disk = new Models.SoftwareList.Disk
+            {
+                Name = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Status = "XXXXXX",
+                Writeable = "XXXXXX",
+            };
+
+            var diskarea = new Models.SoftwareList.DiskArea
+            {
+                Name = "XXXXXX",
+                Disk = [disk],
+            };
+
+            var dipvalue = new Models.SoftwareList.DipValue
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var dipswitch = new Models.SoftwareList.DipSwitch
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                DipValue = [dipvalue],
+            };
+
+            var part = new Models.SoftwareList.Part
+            {
+                Name = "XXXXXX",
+                Interface = "XXXXXX",
+                Feature = [feature],
+                DataArea = [dataarea],
+                DiskArea = [diskarea],
+                DipSwitch = [dipswitch],
+            };
+
+            var software = new Models.SoftwareList.Software
+            {
+                Name = "XXXXXX",
+                CloneOf = "XXXXXX",
+                Supported = "XXXXXX",
+                Description = "XXXXXX",
+                Year = "XXXXXX",
+                Publisher = "XXXXXX",
+                Notes = "XXXXXX",
+                Info = [info],
+                SharedFeat = [sharedfeat],
+                Part = [part],
+            };
+
+            return new Models.SoftwareList.SoftwareList
+            {
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                Notes = "XXXXXX",
+                Software = [software],
+            };
+        }
+
+        /// <summary>
+        /// Validate a Software
+        /// </summary>
+        private static void Validate(Models.SoftwareList.Software? software)
+        {
+            Assert.NotNull(software);
+            Assert.Equal("XXXXXX", software.Name);
+            Assert.Equal("XXXXXX", software.CloneOf);
+            Assert.Equal("XXXXXX", software.Supported);
+            Assert.Equal("XXXXXX", software.Description);
+            Assert.Equal("XXXXXX", software.Year);
+            Assert.Equal("XXXXXX", software.Publisher);
+            Assert.Equal("XXXXXX", software.Notes);
+
+            Assert.NotNull(software.Info);
+            var info = Assert.Single(software.Info);
+            Validate(info);
+
+            Assert.NotNull(software.SharedFeat);
+            var sharedfeat = Assert.Single(software.SharedFeat);
+            Validate(sharedfeat);
+
+            Assert.NotNull(software.Part);
+            var part = Assert.Single(software.Part);
+            Validate(part);
+        }
+
+        /// <summary>
+        /// Validate a Info
+        /// </summary>
+        private static void Validate(Models.SoftwareList.Info? info)
+        {
+            Assert.NotNull(info);
+            Assert.Equal("XXXXXX", info.Name);
+            Assert.Equal("XXXXXX", info.Value);
+        }
+
+        /// <summary>
+        /// Validate a SharedFeat
+        /// </summary>
+        private static void Validate(Models.SoftwareList.SharedFeat? sharedfeat)
+        {
+            Assert.NotNull(sharedfeat);
+            Assert.Equal("XXXXXX", sharedfeat.Name);
+            Assert.Equal("XXXXXX", sharedfeat.Value);
+        }
+
+        /// <summary>
+        /// Validate a Part
+        /// </summary>
+        private static void Validate(Models.SoftwareList.Part? part)
+        {
+            Assert.NotNull(part);
+            Assert.Equal("XXXXXX", part.Name);
+            Assert.Equal("XXXXXX", part.Interface);
+
+            Assert.NotNull(part.Feature);
+            var feature = Assert.Single(part.Feature);
+            Validate(feature);
+
+            Assert.NotNull(part.DataArea);
+            var dataarea = Assert.Single(part.DataArea);
+            Validate(dataarea);
+
+            Assert.NotNull(part.DiskArea);
+            var diskarea = Assert.Single(part.DiskArea);
+            Validate(diskarea);
+
+            Assert.NotNull(part.DipSwitch);
+            var dipswitch = Assert.Single(part.DipSwitch);
+            Validate(dipswitch);
+        }
+
+        /// <summary>
+        /// Validate a Feature
+        /// </summary>
+        private static void Validate(Models.SoftwareList.Feature? feature)
+        {
+            Assert.NotNull(feature);
+            Assert.Equal("XXXXXX", feature.Name);
+            Assert.Equal("XXXXXX", feature.Value);
+        }
+
+        /// <summary>
+        /// Validate a DataArea
+        /// </summary>
+        private static void Validate(Models.SoftwareList.DataArea? dataarea)
+        {
+            Assert.NotNull(dataarea);
+            Assert.Equal("XXXXXX", dataarea.Name);
+            Assert.Equal("XXXXXX", dataarea.Size);
+            Assert.Equal("XXXXXX", dataarea.Width);
+            Assert.Equal("XXXXXX", dataarea.Endianness);
+
+            Assert.NotNull(dataarea.Rom);
+            var rom = Assert.Single(dataarea.Rom);
+            Validate(rom);
+        }
+
+        /// <summary>
+        /// Validate a Rom
+        /// </summary>
+        private static void Validate(Models.SoftwareList.Rom? rom)
+        {
+            Assert.NotNull(rom);
+            Assert.Equal("XXXXXX", rom.Name);
+            Assert.Equal("XXXXXX", rom.Size);
+            Assert.Equal("XXXXXX", rom.Length);
+            Assert.Equal("XXXXXX", rom.CRC);
+            Assert.Equal("XXXXXX", rom.SHA1);
+            Assert.Equal("XXXXXX", rom.Offset);
+            Assert.Equal("XXXXXX", rom.Value);
+            Assert.Equal("XXXXXX", rom.Status);
+            Assert.Equal("XXXXXX", rom.LoadFlag);
+        }
+
+        /// <summary>
+        /// Validate a DiskArea
+        /// </summary>
+        private static void Validate(Models.SoftwareList.DiskArea? diskarea)
+        {
+            Assert.NotNull(diskarea);
+            Assert.Equal("XXXXXX", diskarea.Name);
+
+            Assert.NotNull(diskarea.Disk);
+            var disk = Assert.Single(diskarea.Disk);
+            Validate(disk);
+        }
+
+        /// <summary>
+        /// Validate a Disk
+        /// </summary>
+        private static void Validate(Models.SoftwareList.Disk? disk)
+        {
+            Assert.NotNull(disk);
+            Assert.Equal("XXXXXX", disk.Name);
+            Assert.Equal("XXXXXX", disk.MD5);
+            Assert.Equal("XXXXXX", disk.SHA1);
+            Assert.Equal("XXXXXX", disk.Status);
+            Assert.Equal("XXXXXX", disk.Writeable);
+        }
+
+        /// <summary>
+        /// Validate a DipSwitch
+        /// </summary>
+        private static void Validate(Models.SoftwareList.DipSwitch? dipswitch)
+        {
+            Assert.NotNull(dipswitch);
+            Assert.Equal("XXXXXX", dipswitch.Name);
+            Assert.Equal("XXXXXX", dipswitch.Tag);
+            Assert.Equal("XXXXXX", dipswitch.Mask);
+
+            Assert.NotNull(dipswitch.DipValue);
+            var dipvalue = Assert.Single(dipswitch.DipValue);
+            Validate(dipvalue);
+        }
+
+        /// <summary>
+        /// Validate a DipValue
+        /// </summary>
+        private static void Validate(Models.SoftwareList.DipValue? dipvalue)
+        {
+            Assert.NotNull(dipvalue);
+            Assert.Equal("XXXXXX", dipvalue.Name);
+            Assert.Equal("XXXXXX", dipvalue.Value);
+            Assert.Equal("XXXXXX", dipvalue.Default);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/TapeArchiveTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class TapeArchiveTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new TapeArchive();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new TapeArchive();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new TapeArchive();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new TapeArchive();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new TapeArchive();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new TapeArchive();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/VBSPTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class VBSPTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new VBSP();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new VBSP();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new VBSP();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new VBSP();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new VBSP();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new VBSP();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/VPKTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class VPKTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new VPK();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new VPK();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new VPK();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new VPK();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new VPK();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new VPK();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/WAD3Tests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class WAD3Tests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new WAD3();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new WAD3();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new WAD3();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new WAD3();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new WAD3();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new WAD3();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/WiseOverlayHeaderTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class WiseOverlayHeaderTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new WiseOverlayHeader();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new WiseOverlayHeader();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new WiseOverlayHeader();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new WiseOverlayHeader();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new WiseOverlayHeader();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new WiseOverlayHeader();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/WiseScriptTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class WiseScriptTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new WiseScript();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new WiseScript();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new WiseScript();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new WiseScript();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new WiseScript();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new WiseScript();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/WiseSectionHeaderTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class WiseSectionHeaderTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new WiseSectionHeader();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new WiseSectionHeader();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new WiseSectionHeader();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new WiseSectionHeader();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new WiseSectionHeader();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new WiseSectionHeader();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/XMIDTests.cs

@@ -0,0 +1,39 @@
+
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class XMIDTests
+    {
+        [Fact]
+        public void NullString_Null()
+        {
+            string? data = null;
+            var deserializer = new XMID();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyString_Null()
+        {
+            string? data = string.Empty;
+            var deserializer = new XMID();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidString_Null()
+        {
+            string? data = "INVALID";
+            var deserializer = new XMID();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/XZPTests.cs

@@ -0,0 +1,73 @@
+using System.IO;
+using System.Linq;
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class XZPTests
+    {
+        [Fact]
+        public void NullArray_Null()
+        {
+            byte[]? data = null;
+            int offset = 0;
+            var deserializer = new XZP();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyArray_Null()
+        {
+            byte[]? data = [];
+            int offset = 0;
+            var deserializer = new XZP();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidArray_Null()
+        {
+            byte[]? data = [.. Enumerable.Repeat<byte>(0xFF, 1024)];
+            int offset = 0;
+            var deserializer = new XZP();
+
+            var actual = deserializer.Deserialize(data, offset);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void NullStream_Null()
+        {
+            Stream? data = null;
+            var deserializer = new XZP();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyStream_Null()
+        {
+            Stream? data = new MemoryStream([]);
+            var deserializer = new XZP();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidStream_Null()
+        {
+            Stream? data = new MemoryStream([.. Enumerable.Repeat<byte>(0xFF, 1024)]);
+            var deserializer = new XZP();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/XeMIDTests.cs

@@ -0,0 +1,38 @@
+using SabreTools.Serialization.Deserializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Deserializers
+{
+    public class XeMIDTests
+    {
+        [Fact]
+        public void NullString_Null()
+        {
+            string? data = null;
+            var deserializer = new XeMID();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void EmptyString_Null()
+        {
+            string? data = string.Empty;
+            var deserializer = new XeMID();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void InvalidString_Null()
+        {
+            string? data = "INVALID";
+            var deserializer = new XeMID();
+
+            var actual = deserializer.Deserialize(data);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/MetadataSerializationTests.cs

@@ -1,91 +0,0 @@
-using System;
-using System.IO;
-using System.Security.Cryptography;
-using SabreTools.Serialization.Serializers;
-using Xunit;
-
-namespace SabreTools.Serialization.Test
-{
-    public class MetadataSerializationTests
-    {
-        [Fact]
-        public void OpenMSXSeserializeTest()
-        {
-            // Create the object for serialization
-            var dat = GenerateOpenMSX();
-
-            // Deserialize the file
-            var stream = OpenMSX.SerializeStream(dat) as MemoryStream;
-
-            // Validate the values
-            Assert.NotNull(stream);
-            byte[] hash = SHA1.HashData(stream.GetBuffer());
-            string hashstr = BitConverter.ToString(hash).Replace("-", string.Empty);
-            Assert.Equal("CCBFAAB56BAAF6BE56A85918055784A615379659", hashstr);
-        }
-
-        #region Payload Generators
-
-        /// <summary>
-        /// Generate a consistent OpenMSX SoftwareDb for testing
-        /// </summary>
-        private static Models.OpenMSX.SoftwareDb GenerateOpenMSX()
-        {
-            var original = new Models.OpenMSX.Original
-            {
-                Value = "false",
-                Content = "Original Name",
-            };
-
-            var rom = new Models.OpenMSX.Rom
-            {
-                Start = "0x0000",
-                Type = "Game",
-                Hash = "da39a3ee5e6b4b0d3255bfef95601890afd80709",
-                Remark = "Comment",
-            };
-
-            var megaRom = new Models.OpenMSX.MegaRom
-            {
-                Start = "0x1000",
-                Type = "Software",
-                Hash = "da39a3ee5e6b4b0d3255bfef95601890afd80709",
-                Remark = "Comment",
-            };
-
-            var sccPlusCart = new Models.OpenMSX.SCCPlusCart
-            {
-                Start = "0x2000",
-                Type = "Utility",
-                Hash = "da39a3ee5e6b4b0d3255bfef95601890afd80709",
-                Remark = "Comment",
-            };
-
-            var dump = new Models.OpenMSX.Dump[]
-            {
-                new Models.OpenMSX.Dump { Original = original, Rom = rom },
-                new Models.OpenMSX.Dump { Rom = megaRom },
-                new Models.OpenMSX.Dump { Rom = sccPlusCart },
-            };
-
-            var software = new Models.OpenMSX.Software
-            {
-                Title = "Software Title",
-                GenMSXID = "00000", // Not required
-                System = "MSX 2",
-                Company = "Imaginary Company, Inc.",
-                Year = "19xx",
-                Country = "Imaginaria",
-                Dump = dump,
-            };
-
-            return new Models.OpenMSX.SoftwareDb
-            {
-                Timestamp = "1234567890",
-                Software = [software],
-            };
-        }
-
-        #endregion
-    }
-}

SabreTools.Serialization.Test/SabreTools.Serialization.Test.csproj

@@ -1,38 +1,39 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
-  <PropertyGroup>
-    <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
-    <IsPackable>false</IsPackable>
-    <LangVersion>latest</LangVersion>
-    <Nullable>enable</Nullable>
-  </PropertyGroup>
+    <PropertyGroup>
+        <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
+        <IsPackable>false</IsPackable>
+        <LangVersion>latest</LangVersion>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
 
-  <ItemGroup>
-    <ProjectReference Include="..\SabreTools.Serialization\SabreTools.Serialization.csproj" />
-  </ItemGroup>
+    <ItemGroup>
+        <ProjectReference Include="..\SabreTools.Serialization\SabreTools.Serialization.csproj" />
+    </ItemGroup>
 
-  <ItemGroup>
-    <None Remove="TestData\*" />
-  </ItemGroup>
+    <ItemGroup>
+        <None Remove="TestData\**" />
+    </ItemGroup>
 
-  <ItemGroup>
-    <Content Include="TestData\*">
-      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-    </Content>
-  </ItemGroup>
+    <ItemGroup>
+        <Content Include="TestData\**">
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+        </Content>
+    </ItemGroup>
 
-  <ItemGroup>
-    <PackageReference Include="coverlet.collector" Version="6.0.2">
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-      <PrivateAssets>all</PrivateAssets>
-    </PackageReference>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
-    <PackageReference Include="SabreTools.Models" Version="1.4.5" />
-    <PackageReference Include="xunit" Version="2.8.0" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.0">
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-      <PrivateAssets>all</PrivateAssets>
-    </PackageReference>
-  </ItemGroup>
+    <ItemGroup>
+        <PackageReference Include="coverlet.collector" Version="6.0.4">
+            <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+            <PrivateAssets>all</PrivateAssets>
+        </PackageReference>
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+        <PackageReference Include="SabreTools.Hashing" Version="1.5.0" />
+        <PackageReference Include="SabreTools.Models" Version="1.7.0" />
+        <PackageReference Include="xunit" Version="2.9.3" />
+        <PackageReference Include="xunit.runner.visualstudio" Version="3.1.4">
+            <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+            <PrivateAssets>all</PrivateAssets>
+        </PackageReference>
+    </ItemGroup>
 
-</Project>
+</Project>

SabreTools.Serialization.Test/Serializers/ArchiveDotOrgTests.cs

@@ -0,0 +1,25 @@
+using System.IO;
+using SabreTools.Serialization.Serializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Serializers
+{
+    public class ArchiveDotOrgTests
+    {
+        [Fact]
+        public void SerializeArray_Null_Null()
+        {
+            var serializer = new ArchiveDotOrg();
+            byte[]? actual = serializer.SerializeArray(null);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void SerializeStream_Null_Null()
+        {
+            var serializer = new ArchiveDotOrg();
+            Stream? actual = serializer.Serialize(null);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Serializers/AttractModeTests.cs

@@ -0,0 +1,25 @@
+using System.IO;
+using SabreTools.Serialization.Serializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Serializers
+{
+    public class AttractModeTests
+    {
+        [Fact]
+        public void SerializeArray_Null_Null()
+        {
+            var serializer = new AttractMode();
+            byte[]? actual = serializer.SerializeArray(null);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void SerializeStream_Null_Null()
+        {
+            var serializer = new AttractMode();
+            Stream? actual = serializer.Serialize(null);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Serializers/CatalogTests.cs

@@ -0,0 +1,25 @@
+using System.IO;
+using SabreTools.Serialization.Serializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Serializers
+{
+    public class CatalogTests
+    {
+        [Fact]
+        public void SerializeArray_Null_Null()
+        {
+            var serializer = new Catalog();
+            byte[]? actual = serializer.SerializeArray(null);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void SerializeStream_Null_Null()
+        {
+            var serializer = new Catalog();
+            Stream? actual = serializer.Serialize(null);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Serializers/ClrMameProTests.cs

@@ -0,0 +1,25 @@
+using System.IO;
+using SabreTools.Serialization.Serializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Serializers
+{
+    public class ClrMameProTests
+    {
+        [Fact]
+        public void SerializeArray_Null_Null()
+        {
+            var serializer = new ClrMamePro();
+            byte[]? actual = serializer.SerializeArray(null);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void SerializeStream_Null_Null()
+        {
+            var serializer = new ClrMamePro();
+            Stream? actual = serializer.Serialize(null);
+            Assert.Null(actual);
+        }
+    }
+}