diff --git a/SabreTools.ASN1.Test/SabreTools.ASN1.Test.csproj b/SabreTools.ASN1.Test/SabreTools.ASN1.Test.csproj
new file mode 100644
index 0000000..91a637c
--- /dev/null
+++ b/SabreTools.ASN1.Test/SabreTools.ASN1.Test.csproj
@@ -0,0 +1,30 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFrameworks>net6.0;net8.0;net9.0</TargetFrameworks>
+        <IsPackable>false</IsPackable>
+        <LangVersion>latest</LangVersion>
+        <NoWarn>NU1903</NoWarn>
+        <Nullable>enable</Nullable>
+        <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="coverlet.collector" Version="6.0.0">
+            <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+            <PrivateAssets>all</PrivateAssets>
+        </PackageReference>
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+        <PackageReference Include="xunit" Version="2.6.2" />
+        <PackageReference Include="xunit.runner.visualstudio" Version="2.5.4">
+            <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+            <PrivateAssets>all</PrivateAssets>
+        </PackageReference>
+    </ItemGroup>
+
+    <ItemGroup>
+        <ProjectReference Include="..\SabreTools.ASN1\SabreTools.ASN1.csproj" />
+    </ItemGroup>
+
+</Project>
+  
\ No newline at end of file
diff --git a/SabreTools.ASN1.sln b/SabreTools.ASN1.sln
index 1917861..87fcce0 100644
--- a/SabreTools.ASN1.sln
+++ b/SabreTools.ASN1.sln
@@ -5,6 +5,8 @@ VisualStudioVersion = 17.0.31903.59
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SabreTools.ASN1", "SabreTools.ASN1\SabreTools.ASN1.csproj", "{88EA40DD-E313-479C-94EA-0AB948DB4720}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SabreTools.ASN1.Test", "SabreTools.ASN1.Test\SabreTools.ASN1.Test.csproj", "{5C740920-9505-4B58-AC17-2967559F6AE7}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -18,5 +20,9 @@ Global
 		{88EA40DD-E313-479C-94EA-0AB948DB4720}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{88EA40DD-E313-479C-94EA-0AB948DB4720}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{88EA40DD-E313-479C-94EA-0AB948DB4720}.Release|Any CPU.Build.0 = Release|Any CPU
+		{5C740920-9505-4B58-AC17-2967559F6AE7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5C740920-9505-4B58-AC17-2967559F6AE7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5C740920-9505-4B58-AC17-2967559F6AE7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5C740920-9505-4B58-AC17-2967559F6AE7}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal