Bump version

The actual fix to this is somewhere in the conversion code where an array of Enum values somehow just... fails? I'm not totally sure how that's happening but this is the easiest way around it until that auto stuff can be fixed.

InfoPrint/InfoPrint.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<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>
@@ -9,7 +9,7 @@
         <Nullable>enable</Nullable>
         <SuppressTfmSupportBuildWarnings>true</SuppressTfmSupportBuildWarnings>
         <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-        <Version>1.7.0</Version>
+        <Version>1.8.0</Version>
     </PropertyGroup>
 
     <!-- Support All Frameworks -->
@@ -30,4 +30,8 @@
         <ProjectReference Include="..\SabreTools.Serialization\SabreTools.Serialization.csproj" />
     </ItemGroup>
 
+    <ItemGroup>
+        <PackageReference Include="SabreTools.IO" Version="1.6.1" />
+    </ItemGroup>
+
 </Project>

InfoPrint/Options.cs

@@ -20,7 +20,7 @@ namespace InfoPrint
         /// </summary>
         public List<string> InputPaths { get; private set; } = [];
 
-#if NETCOREAPP3_1_OR_GREATER
+#if NETCOREAPP
         /// <summary>
         /// Enable JSON output
         /// </summary>
@@ -76,7 +76,7 @@ namespace InfoPrint
 
                     case "-j":
                     case "--json":
-#if NET6_0_OR_GREATER
+#if NETCOREAPP
                         options.Json = true;
 #else
                         Console.WriteLine("JSON output not available in .NET Framework");
@@ -111,7 +111,7 @@ namespace InfoPrint
             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
+#if NETCOREAPP
             Console.WriteLine("-j, --json               Print info as JSON");
 #endif
         }

InfoPrint/Program.cs

@@ -48,11 +48,7 @@ namespace InfoPrint
             }
             else if (Directory.Exists(path))
             {
-#if NET20 || NET35
-                foreach (string file in Directory.GetFiles(path, "*", SearchOption.AllDirectories))
-#else
-                foreach (string file in Directory.EnumerateFiles(path, "*", SearchOption.AllDirectories))
-#endif
+                foreach (string file in IOExtensions.SafeEnumerateFiles(path, "*", SearchOption.AllDirectories))
                 {
                     PrintFileInfo(file, json, debug);
                 }
@@ -99,7 +95,7 @@ namespace InfoPrint
                 // Get the base info output name
                 string filenameBase = $"info-{DateTime.Now:yyyy-MM-dd_HHmmss.ffff}";
 
-#if NET6_0_OR_GREATER
+#if NETCOREAPP
                 // If we have the JSON flag
                 if (json)
                 {

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 +1,108 @@
+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",
+                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.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 +1,545 @@
+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);
+            var newGame = Assert.Single(newDf.Game);
+            Validate(newGame);
+
+            // TODO: Unsupported
+            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);
+            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/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/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/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 +1,561 @@
+using System;
+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 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);
+        }
+
+        /// <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 +1,73 @@
+using System.IO;
+using System.Linq;
+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);
+        }
+    }
+}

SabreTools.Serialization.Test/Deserializers/DosCenterTests.cs

@@ -0,0 +1,176 @@
+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",
+                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 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/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/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/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/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/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/MetadataDeserializationTests.cs

@@ -1,313 +0,0 @@
-using System;
-using System.IO;
-using SabreTools.Hashing;
-using SabreTools.Serialization.Deserializers;
-using Xunit;
-
-namespace SabreTools.Serialization.Test
-{
-    /// <remarks>
-    /// Filenames that end in `-files` are real examples.
-    /// All other files are artificial and may not fully represent real examples.
-    /// </remarks>
-    public class MetadataDeserializationTests
-    {
-        [Theory]
-        [InlineData("test-archivedotorg-files1.xml", 22)]
-        [InlineData("test-archivedotorg-files2.xml", 13)]
-        [InlineData("test-archivedotorg-files3.xml", 21)]
-        [InlineData("test-archivedotorg-files4.xml", 19)]
-        [InlineData("test-archivedotorg-files5.xml", 1390)]
-        public void ArchiveDotOrgDeserializeTest(string path, long count)
-        {
-            // Open the file for reading
-            string filename = GetTestFilePath(path);
-
-            // Deserialize the file
-            var dat = ArchiveDotOrg.DeserializeFile(filename);
-
-            // Validate the values
-            Assert.NotNull(dat?.File);
-            Assert.Equal(count, dat.File.Length);
-
-            // Validate we're not missing any attributes or elements
-            foreach (var file in dat.File)
-            {
-                Assert.NotNull(file);
-            }
-        }
-
-        [Theory]
-        [InlineData("test-attractmode-files.txt", 11)]
-        public void AttractModeDeserializeTest(string path, long count)
-        {
-            // Open the file for reading
-            string filename = GetTestFilePath(path);
-
-            // Deserialize the file
-            var dat = AttractMode.DeserializeFile(filename);
-
-            // Validate texpected: he values
-            Assert.NotNull(dat?.Row);
-            Assert.Equal(count, dat.Row.Length);
-
-            // Validate we're not missing any attributes or elements
-            foreach (var file in dat.Row)
-            {
-                Assert.NotNull(file);
-            }
-        }
-
-        [Theory]
-        [InlineData("test-cmp-files1.dat", 59, true)]
-        [InlineData("test-cmp-files2.dat", 312, false)]
-        public void ClrMameProDeserializeTest(string path, long count, bool expectHeader)
-        {
-            // Open the file for reading
-            string filename = GetTestFilePath(path);
-
-            // Deserialize the file
-            var dat = ClrMamePro.DeserializeFile(filename, quotes: true);
-
-            // Validate the values
-            if (expectHeader)
-                Assert.NotNull(dat?.ClrMamePro);
-            else
-                Assert.Null(dat?.ClrMamePro);
-
-            Assert.NotNull(dat?.Game);
-            Assert.Equal(count, dat.Game.Length);
-        }
-
-        [Theory]
-        [InlineData("test-doscenter-files1.dat.gz", 34965)]
-        [InlineData("test-doscenter-files2.dat.gz", 7189)]
-        public void DosCenterDeserializeTest(string path, long count)
-        {
-            // Open the file for reading
-            string filename = GetTestFilePath(path);
-
-            // Deserialize the file
-            var dat = DosCenter.DeserializeFile(filename);
-
-            // Validate the values
-            Assert.NotNull(dat?.DosCenter);
-
-            Assert.NotNull(dat?.Game);
-            Assert.Equal(count, dat.Game.Length);
-
-            foreach (var game in dat.Game)
-            {
-                Assert.NotNull(game.File);
-            }
-        }
-
-        [Theory]
-        [InlineData("test-smdb-files.txt", 6113)]
-        public void EverdriveSMDBDeserializeTest(string path, long count)
-        {
-            // Open the file for reading
-            string filename = GetTestFilePath(path);
-
-            // Deserialize the file
-            var dat = EverdriveSMDB.DeserializeFile(filename);
-
-            // Validate the values
-            Assert.NotNull(dat?.Row);
-            Assert.Equal(count, dat.Row.Length);
-        }
-
-        [Theory]
-        [InlineData("test-sfv-files.sfv", HashType.CRC32, 100)]
-        [InlineData("test-md5-files.md5", HashType.MD5, 100)]
-        [InlineData("test-sha1-files.sha1", HashType.SHA1, 100)]
-        [InlineData("test-sha256.sha256", HashType.SHA256, 1)]
-        [InlineData("test-sha384.sha384", HashType.SHA384, 1)]
-        [InlineData("test-sha512.sha512", HashType.SHA512, 1)]
-        [InlineData("test-spamsum.spamsum", HashType.SpamSum, 1)]
-        public void HashfileDeserializeTest(string path, HashType hash, long count)
-        {
-            // Open the file for reading
-            string filename = GetTestFilePath(path);
-
-            // Deserialize the file
-            var dat = Hashfile.DeserializeFile(filename, hash);
-
-            // Validate the values
-            Assert.NotNull(dat);
-
-            switch (hash)
-            {
-                case HashType.CRC32:
-                    Assert.NotNull(dat.SFV);
-                    Assert.Equal(count, dat.SFV.Length);
-                    break;
-                case HashType.MD5:
-                    Assert.NotNull(dat.MD5);
-                    Assert.Equal(count, dat.MD5.Length);
-                    break;
-                case HashType.SHA1:
-                    Assert.NotNull(dat.SHA1);
-                    Assert.Equal(count, dat.SHA1.Length);
-                    break;
-                case HashType.SHA256:
-                    Assert.NotNull(dat.SHA256);
-                    Assert.Equal(count, dat.SHA256.Length);
-                    break;
-                case HashType.SHA384:
-                    Assert.NotNull(dat.SHA384);
-                    Assert.Equal(count, dat.SHA384.Length);
-                    break;
-                case HashType.SHA512:
-                    Assert.NotNull(dat.SHA512);
-                    Assert.Equal(count, dat.SHA512.Length);
-                    break;
-                case HashType.SpamSum:
-                    Assert.NotNull(dat.SpamSum);
-                    Assert.Equal(count, dat.SpamSum.Length);
-                    break;
-                default:
-                    throw new ArgumentOutOfRangeException(nameof(hash));
-            }
-        }
-
-        [Theory]
-        [InlineData("test-listrom-files.txt.gz", 45861)]
-        public void ListromDeserializeTest(string path, long count)
-        {
-            // Open the file for reading
-            string filename = GetTestFilePath(path);
-
-            // Deserialize the file
-            var dat = Listrom.DeserializeFile(filename);
-
-            // Validate the values
-            Assert.NotNull(dat?.Set);
-            Assert.Equal(count, dat.Set.Length);
-        }
-
-        [Theory]
-        [InlineData("test-listxml-files1.xml.gz", 45861)]
-        [InlineData("test-listxml-files2.xml", 3998)]
-        public void ListxmlDeserializeTest(string path, long count)
-        {
-            // Open the file for reading
-            string filename = GetTestFilePath(path);
-
-            // Deserialize the file
-            var dat = Listxml.DeserializeFile(filename);
-
-            // Validate the values
-            Assert.NotNull(dat?.Game);
-            Assert.Equal(count, dat.Game.Length);
-        }
-
-        [Theory]
-        [InlineData("test-logiqx-files1.xml.gz", 45875)]
-        [InlineData("test-logiqx-files2.xml", 761)]
-        public void LogiqxDeserializeTest(string path, long count)
-        {
-            // Open the file for reading
-            string filename = GetTestFilePath(path);
-
-            // Deserialize the file
-            var dat = Logiqx.DeserializeFile(filename);
-
-            // Validate the values
-            Assert.NotNull(dat?.Game);
-            Assert.Equal(count, dat.Game.Length);
-        }
-
-        [Theory]
-        [InlineData("test-offlinelist-files.xml", 6750)]
-        public void OfflineListDeserializeTest(string path, long count)
-        {
-            // Open the file for reading
-            string filename = GetTestFilePath(path);
-
-            // Deserialize the file
-            var dat = OfflineList.DeserializeFile(filename);
-
-            // Validate the values
-            Assert.NotNull(dat?.Games?.Game);
-            Assert.Equal(count, dat.Games.Game.Length);
-        }
-
-        [Theory]
-        [InlineData("test-openmsx-files.xml", 2550)]
-        public void OpenMSXDeserializeTest(string path, long count)
-        {
-            // Open the file for reading
-            string filename = GetTestFilePath(path);
-
-            // Deserialize the file
-            var dat = OpenMSX.DeserializeFile(filename);
-
-            // Validate the values
-            Assert.NotNull(dat);
-            Assert.NotNull(dat.Software);
-            Assert.Equal(count, dat.Software.Length);
-        }
-
-        [Theory]
-        [InlineData("test-romcenter-files.dat", 901)]
-        public void RomCenterDeserializeTest(string path, long count)
-        {
-            // Open the file for reading
-            string filename = GetTestFilePath(path);
-
-            // Deserialize the file
-            var dat = RomCenter.DeserializeFile(filename);
-
-            // Validate the values
-            Assert.NotNull(dat?.Games?.Rom);
-            Assert.Equal(count, dat.Games.Rom.Length);
-        }
-
-        [Theory]
-        [InlineData("test-csv-files1.csv", ',', 2)]
-        [InlineData("test-csv-files2.csv", ',', 2)]
-        [InlineData("test-ssv-files1.ssv", ';', 2)]
-        [InlineData("test-ssv-files2.ssv", ';', 2)]
-        [InlineData("test-tsv-files1.tsv", '\t', 2)]
-        [InlineData("test-tsv-files2.tsv", '\t', 2)]
-        public void SeparatedValueDeserializeTest(string path, char delim, long count)
-        {
-            // Open the file for reading
-            string filename = GetTestFilePath(path);
-
-            // Deserialize the file
-            var dat = SeparatedValue.DeserializeFile(filename, delim);
-
-            // Validate the values
-            Assert.NotNull(dat?.Row);
-            Assert.Equal(count, dat.Row.Length);
-        }
-
-        [Theory]
-        [InlineData("test-softwarelist-files1.xml", 4531)]
-        [InlineData("test-softwarelist-files2.xml", 2797)]
-        [InlineData("test-softwarelist-files3.xml", 274)]
-        public void SoftwareListDeserializeTest(string path, long count)
-        {
-            // Open the file for reading
-            string filename = GetTestFilePath(path);
-
-            // Deserialize the file
-            var dat = SoftwareList.DeserializeFile(filename);
-
-            // Validate the values
-            Assert.NotNull(dat);
-            Assert.NotNull(dat.Software);
-            Assert.Equal(count, dat.Software.Length);
-        }
-
-        /// <summary>
-        /// Get the path to the test file
-        /// </summary>
-        private static string GetTestFilePath(string path)
-        {
-            return Path.Combine(Environment.CurrentDirectory, "TestData", path);
-        }
-    }
-}

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() { Original = original, Rom = rom },
-                new() { Rom = megaRom },
-                new() { 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

@@ -26,8 +26,9 @@
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
-        <PackageReference Include="SabreTools.Models" Version="1.5.0" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+        <PackageReference Include="SabreTools.Hashing" Version="1.4.0" />
+        <PackageReference Include="SabreTools.Models" Version="1.5.5" />
         <PackageReference Include="xunit" Version="2.9.2" />
         <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

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);
+        }
+    }
+}

SabreTools.Serialization.Test/Serializers/CueSheetTests.cs

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

SabreTools.Serialization.Test/Serializers/DosCenterTests.cs

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

SabreTools.Serialization.Test/Serializers/EverdriveSMDBTests.cs

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

SabreTools.Serialization.Test/Serializers/HashfileTests.cs

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

SabreTools.Serialization.Test/Serializers/IRDTests.cs

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

SabreTools.Serialization.Test/Serializers/ListromTests.cs

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

SabreTools.Serialization.Test/Serializers/ListxmlTests.cs

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

SabreTools.Serialization.Test/Serializers/LogiqxTests.cs

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

SabreTools.Serialization.Test/Serializers/M1Tests.cs

@@ -0,0 +1,25 @@
+using System.IO;
+using SabreTools.Serialization.Serializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Serializers
+{
+    public class M1Tests
+    {
+        [Fact]
+        public void SerializeArray_Null_Null()
+        {
+            var serializer = new M1();
+            byte[]? actual = serializer.SerializeArray(null);
+            Assert.Null(actual);
+        }
+
+        [Fact]
+        public void SerializeStream_Null_Null()
+        {
+            var serializer = new M1();
+            Stream? actual = serializer.Serialize(null);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Serializers/OfflineListTests.cs

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

SabreTools.Serialization.Test/Serializers/OpenMSXTests.cs

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

SabreTools.Serialization.Test/Serializers/RomCenterTests.cs

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

SabreTools.Serialization.Test/Serializers/SeparatedValueTests.cs

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

SabreTools.Serialization.Test/Serializers/SoftwareListTests.cs

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

SabreTools.Serialization.Test/Serializers/XMIDTests.cs

@@ -0,0 +1,16 @@
+using SabreTools.Serialization.Serializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Serializers
+{
+    public class XMIDTests
+    {
+        [Fact]
+        public void SerializeString_Null_Null()
+        {
+            var serializer = new XMID();
+            string? actual = serializer.Serialize(null);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/Serializers/XeMIDTests.cs

@@ -0,0 +1,16 @@
+using SabreTools.Serialization.Serializers;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.Serializers
+{
+    public class XeMIDTests
+    {
+        [Fact]
+        public void SerializeString_Null_Null()
+        {
+            var serializer = new XeMID();
+            string? actual = serializer.Serialize(null);
+            Assert.Null(actual);
+        }
+    }
+}

SabreTools.Serialization.Test/TestData/test-archivedotorg-files1.xml

@@ -1,228 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-
-<!--
-    Source: https://ia902607.us.archive.org/4/items/adventuresofsher00doylrich/adventuresofsher00doylrich_files.xml
--->
-<files>
-  <file name="__ia_thumb.jpg" source="original">
-    <mtime>1657820174</mtime>
-    <size>23393</size>
-    <md5>33ca910055358d18e116ea66a0abdf04</md5>
-    <crc32>aad0f2dc</crc32>
-    <sha1>fc6d673ef7fbe974bba88b8275c737eeb20b5ba8</sha1>
-    <format>Item Tile</format>
-    <rotation>0</rotation>
-  </file>
-  <file name="_cloth_detection.log" source="derivative">
-    <cloth_cover_detection_module_version>1.2</cloth_cover_detection_module_version>
-    <format>Cloth Cover Detection Log</format>
-    <original>scandata.zip</original>
-    <mtime>1682523106</mtime>
-    <size>717</size>
-    <md5>3ed8a80448263ebfad242b8fa5a1a18d</md5>
-    <crc32>d886dce1</crc32>
-    <sha1>4f8d103cf07c29e1d3bb8273870f1daca4a89f26</sha1>
-  </file>
-  <file name="adventuresofsher00doylrich.djvu" source="derivative">
-    <format>DjVu</format>
-    <original>adventuresofsher00doylrich_djvu.xml</original>
-    <mtime>1288609616</mtime>
-    <size>11176526</size>
-    <md5>52ccad905110bc7f3c0fe032ef744fa1</md5>
-    <crc32>91973508</crc32>
-    <sha1>aa5214400b60e3b68f5eaa9733e10af4bcfe4e8d</sha1>
-  </file>
-  <file name="adventuresofsher00doylrich.gif" source="derivative">
-    <format>Animated GIF</format>
-    <original>adventuresofsher00doylrich_jp2.zip</original>
-    <mtime>1288593173</mtime>
-    <size>334379</size>
-    <md5>4d56403c12771ed7e396f6187d95502d</md5>
-    <crc32>1a8585c1</crc32>
-    <sha1>6062155959dd69f279a489b3761afa0a1638173d</sha1>
-  </file>
-  <file name="adventuresofsher00doylrich.pdf" source="derivative">
-    <pdf_module_version>0.0.22</pdf_module_version>
-    <format>Text PDF</format>
-    <original>adventuresofsher00doylrich_page_numbers.json</original>
-    <mtime>1682525473</mtime>
-    <size>26126569</size>
-    <md5>98ad55b9989671f823228055bfbca465</md5>
-    <crc32>cdc5f40d</crc32>
-    <sha1>e358dd22e04f7efcd4dfc8a6c2d714a0e0a8297c</sha1>
-  </file>
-  <file name="adventuresofsher00doylrich_archive.torrent" source="metadata">
-    <btih>4b5bbf39f9e489f66e0c70a9ac45af495b31a2ba</btih>
-    <mtime>1688944719</mtime>
-    <size>17197</size>
-    <md5>91aa4822d1552ef8bd08b27b14d8af4d</md5>
-    <crc32>10a3d397</crc32>
-    <sha1>9f5d4b652ac6903e218c8ff8e854482ab3d31b99</sha1>
-    <format>Archive BitTorrent</format>
-  </file>
-  <file name="adventuresofsher00doylrich_chocr.html.gz" source="derivative">
-    <ocr>tesseract 5.3.0-3-g9920</ocr>
-    <ocr_parameters>lang-eng;two-pass-disabled;pass-dpi-disabled;autonomous-mode-disabled;binarisation-method-otsu</ocr_parameters>
-    <ocr_module_version>0.0.21</ocr_module_version>
-    <ocr_detected_script>Latin</ocr_detected_script>
-    <ocr_detected_script_conf>0.8867</ocr_detected_script_conf>
-    <ocr_detected_lang>en</ocr_detected_lang>
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-    <whisper_version>20230314</whisper_version>
-    <whisper_model_name>small.en</whisper_model_name>
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SabreTools.Serialization.Test/TestData/test-archivedotorg-files4.xml

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-<files>
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SabreTools.Serialization.Test/TestData/test-attractmode-files.txt

@@ -1,12 +0,0 @@
-#Romname;Title;Emulator;Cloneof;Year;Manufacturer;Category;Players;Rotation;Control;Status;DisplayCount;DisplayType;AltRomname;AltTitle;Extra;Buttons;Favourite;Tags;PlayedCount;PlayedTime;FileIsAvailable
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-alpine;Alpine Ski (set 1);advmame;;1982;Taito Corporation;Sports / Skiing;2P alt;270;joystick (2-way),joystick (2-way);good;1;raster;;;;1;;;0;;1
-amidar;Amidar;advmame;;1982;Konami;Maze / Outline;2P alt;90;joystick (4-way),joystick (4-way);good;1;raster;;;;1;;;0;;1
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-armorcar;Armored Car (set 1);advmame;;1981;Stern Electronics;Maze / Collect;2P alt;90;joystick (4-way),joystick (4-way);good;1;raster;;;;2;;;0;;1
-assault;Assault (Rev B);advmame;;1988;Namco;Shooter / Driving;1P;90;double joystick (4-way),double joystick (4-way);good;1;raster;;;;1;;;0;;1
-astrob;Astro Blaster (version 3);advmame;;1981;Sega;Shooter / Gallery;2P alt;270;joystick (2-way),joystick (2-way);imperfect;1;raster;;;;2;;;0;;1
-astrof;Astro Fighter (set 1);advmame;;1979;Data East;Shooter / Gallery;2P alt;90;joystick (2-way),joystick (2-way);imperfect;1;raster;;;;1;;;0;;1
-attckufo;Attack UFO;advmame;;1980;Ryoto Electric Co.;Shooter / Gallery;2P alt;270;joystick (2-way),joystick (2-way);good;1;raster;;;;1;;;0;;1
-bagman;Bagman;advmame;;1982;Valadon Automation;Platform / Run Jump;2P alt;270;joystick (4-way),joystick (4-way);good;1;raster;;;;1;;;0;;1
-ballbomb;Balloon Bomber;advmame;;1980;Taito;Shooter / Gallery;2P alt;270;joystick (2-way),joystick (2-way);imperfect;1;raster;;;;1;;;0;;1