Test Runner: Integrate with Microsoft.Testing.Platform

Directory.Build.props

@@ -16,7 +16,9 @@
     <!--pack as nuget-->
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <!--pack as nuget-->
-
+
+    <!-- Test Projects should now use MTP -->
+    <UseMicrosoftTestingPlatformRunner>true</UseMicrosoftTestingPlatformRunner>
   </PropertyGroup>
 
   <!--

Directory.Packages.props

@@ -19,6 +19,7 @@
     <PackageVersion Include="Cosmos.Kernel.Native.MultiArch" Version="$(VersionPrefix)" />
     <PackageVersion Include="Cosmos.Kernel.Core.X64" Version="$(VersionPrefix)" />
     <PackageVersion Include="Cosmos.Kernel.Core.ARM64" Version="$(VersionPrefix)" />
+    <PackageVersion Include="Cosmos.Kernel.Core" Version="$(VersionPrefix)" />
     <PackageVersion Include="Cosmos.Kernel.HAL.X64" Version="$(VersionPrefix)" />
     <PackageVersion Include="Cosmos.Kernel.HAL.ARM64" Version="$(VersionPrefix)" />
     <PackageVersion Include="coverlet.collector" Version="6.0.2" />
@@ -38,6 +39,10 @@
     <PackageVersion Include="Microsoft.CodeAnalysis.Workspaces.Common" Version="4.14.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.Workspaces.MSBuild" Version="4.14.0" />
     <PackageVersion Include="Microsoft.Extensions.FileSystemGlobbing" Version="9.0.9" />
+    <PackageVersion Include="Microsoft.Testing.Extensions.TrxReport.Abstractions" Version="2.2.2" />
+    <PackageVersion Include="Microsoft.Testing.Platform" Version="2.2.2" />
+    <PackageVersion Include="Microsoft.Testing.Platform.MSBuild" Version="2.2.2" />
+    <PackageVersion Include="Microsoft.Testing.Extensions.TrxReport" Version="2.2.2" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
     <PackageVersion Include="Mono.Cecil" Version="0.11.6" />
     <PackageVersion Include="System.Reflection.Metadata" Version="9.0.0" />

NuGet.Config

@@ -1,3 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
+  <packageSources>
+    <clear />
+    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
+    <add key="local-packages" value="./artifacts/package/release" />
+  </packageSources>
+
+  <packageSourceMapping>
+    <!-- Map Cosmos packages to local feed -->
+    <packageSource key="local-packages">
+      <package pattern="Cosmos.*" />
+      <package pattern="_Cosmos.*" />
+    </packageSource>
+    <!-- Everything else goes to nuget.org -->
+    <packageSource key="nuget.org">
+      <package pattern="*" />
+    </packageSource>
+  </packageSourceMapping>
 </configuration>

global.json

@@ -4,6 +4,9 @@
         "rollForward": "latestFeature"
     },
     "msbuild-sdks": {
-        "Cosmos.Sdk": "3.0.58"
+        "Cosmos.Sdk": "3.0.58.20260522"
+    },
+    "test": {
+        "runner": "Microsoft.Testing.Platform"
     }
 }

nativeaot-patcher.tests.slnx

@@ -1,22 +1,22 @@
 <Solution>
     <Folder Name="/tests/">
-        <Project Path="tests\Cosmos.Tests.Build.Analyzer.Patcher\Cosmos.Tests.Build.Analyzer.Patcher.csproj"/>
-        <Project Path="tests\Cosmos.Tests.Build.Asm\Cosmos.Tests.Build.Asm.csproj"/>
-        <Project Path="tests\Cosmos.Tests.NativeWrapper\Cosmos.Tests.NativeWrapper.csproj"/>
-        <Project Path="tests\Cosmos.Tests.Patcher\Cosmos.Tests.Patcher.csproj"/>
-        <Project Path="tests\Cosmos.Tests.Scanner\Cosmos.Tests.Scanner.csproj"/>
-        <Project Path="tests\Cosmos.Tests.BuildCache\Cosmos.Tests.BuildCache.csproj"/>
-        <Project Path="tests\Cosmos.TestRunner.Engine\Cosmos.TestRunner.Engine.csproj"/>
-        <Project Path="tests\Cosmos.TestRunner.Framework\Cosmos.TestRunner.Framework.csproj"/>
-        <Project Path="tests\Cosmos.TestRunner.Protocol\Cosmos.TestRunner.Protocol.csproj"/>
+        <Project Path="tests\Cosmos.Tests.Build.Analyzer.Patcher\Cosmos.Tests.Build.Analyzer.Patcher.csproj" />
+        <Project Path="tests\Cosmos.Tests.Build.Asm\Cosmos.Tests.Build.Asm.csproj" />
+        <Project Path="tests\Cosmos.Tests.NativeWrapper\Cosmos.Tests.NativeWrapper.csproj" />
+        <Project Path="tests\Cosmos.Tests.Patcher\Cosmos.Tests.Patcher.csproj" />
+        <Project Path="tests\Cosmos.Tests.Scanner\Cosmos.Tests.Scanner.csproj" />
+        <Project Path="tests\Cosmos.Tests.BuildCache\Cosmos.Tests.BuildCache.csproj" />
+        <Project Path="tests/Cosmos.TestingFramework/Cosmos.TestingFramework.csproj" />
+        <Project Path="tests/Cosmos.TestingFramework.SourceGenerators/Cosmos.TestingFramework.SourceGenerators.csproj" />
+        <Project Path="tests/TestKernel/TestKernel.csproj" />
     </Folder>
     <Folder Name="/tests/Kernels/">
-        <Project Path="tests/Kernels/Cosmos.Kernel.Tests.Graphic/Cosmos.Kernel.Tests.Graphic.csproj"/>
-        <Project Path="tests/Kernels/Cosmos.Kernel.Tests.HelloWorld/Cosmos.Kernel.Tests.HelloWorld.csproj"/>
-        <Project Path="tests/Kernels/Cosmos.Kernel.Tests.Memory/Cosmos.Kernel.Tests.Memory.csproj"/>
-        <Project Path="tests/Kernels/Cosmos.Kernel.Tests.Network/Cosmos.Kernel.Tests.Network.csproj"/>
-        <Project Path="tests/Kernels/Cosmos.Kernel.Tests.Threading/Cosmos.Kernel.Tests.Threading.csproj"/>
-        <Project Path="tests/Kernels/Cosmos.Kernel.Tests.Timer/Cosmos.Kernel.Tests.Timer.csproj"/>
-        <Project Path="tests/Kernels/Cosmos.Kernel.Tests.TypeCasting/Cosmos.Kernel.Tests.TypeCasting.csproj"/>
+        <Project Path="tests/Kernels/Cosmos.Kernel.Tests.Graphic/Cosmos.Kernel.Tests.Graphic.csproj" />
+        <Project Path="tests/Kernels/Cosmos.Kernel.Tests.HelloWorld/Cosmos.Kernel.Tests.HelloWorld.csproj" />
+        <Project Path="tests/Kernels/Cosmos.Kernel.Tests.Memory/Cosmos.Kernel.Tests.Memory.csproj" />
+        <Project Path="tests/Kernels/Cosmos.Kernel.Tests.Network/Cosmos.Kernel.Tests.Network.csproj" />
+        <Project Path="tests/Kernels/Cosmos.Kernel.Tests.Threading/Cosmos.Kernel.Tests.Threading.csproj" />
+        <Project Path="tests/Kernels/Cosmos.Kernel.Tests.Timer/Cosmos.Kernel.Tests.Timer.csproj" />
+        <Project Path="tests/Kernels/Cosmos.Kernel.Tests.TypeCasting/Cosmos.Kernel.Tests.TypeCasting.csproj" />
     </Folder>
 </Solution>

src/Cosmos.Kernel.Core/Memory/GarbageCollector/GarbageCollector.GCHandler.cs

@@ -23,15 +23,16 @@ private struct GCHandle
         /// </summary>
         public GCObject* obj;
 
-        /// <summary>
-        /// The type of this handle (Weak, Normal, Pinned, etc.).
-        /// </summary>
-        public GCHandleType type;
 
         /// <summary>
         /// Additional info associated with this handle (e.g., weak track resurrection flag).
         /// </summary>
         public nuint extraInfo;
+
+        /// <summary>
+        /// The type of this handle (Weak, Normal, Pinned, etc.).
+        /// </summary>
+        public GCHandleType type;
     }
 
     // --- Static fields ---

tests/Cosmos.TestingFramework.SourceGenerators/Cosmos.TestingFramework.SourceGenerators.csproj

@@ -0,0 +1,18 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <OutputItemType>Analyzer</OutputItemType>
+    <EnforceExtendedAnalyzerRules>true</EnforceExtendedAnalyzerRules>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.CodeAnalysis.Analyzers">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" PrivateAssets="all" />
+  </ItemGroup>
+</Project>

tests/Cosmos.TestingFramework.SourceGenerators/IsExternalInit.cs

@@ -0,0 +1,4 @@
+namespace System.Runtime.CompilerServices
+{
+    public class IsExternalInit { }
+}