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Add csc.rsp test #52510

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Merged
jjonescz merged 4 commits into from
Jan 23, 2026
Merged

Add csc.rsp test #52510

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503905f
Add csc.rsp test
jjonescz Jan 16, 2026
1ee4dbe
Skip test on core msbuild
jjonescz Jan 16, 2026
9a30537
Revert launch settings change
jjonescz Jan 22, 2026
d1197b2
Merge branch 'release/10.0.3xx' into csc-rsp-2xx
jjonescz Jan 22, 2026
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30 changes: 30 additions & 0 deletions test/Microsoft.NET.Build.Tests/RoslynBuildTaskTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -87,6 +87,36 @@ public void DotNet_ToolsetPackage(bool useSharedCompilation, Language language)
VerifyCompiler(buildCommand, DotNetExecCompilerFileName(language), CoreTargetFrameworkName, useSharedCompilation, toolsetPackage: true);
}

/// <summary>
/// SDK side test for <see href="https://github.com/dotnet/roslyn/pull/80993"/>.
/// </summary>
[FullMSBuildOnlyFact]
public void UsingCscManually()
{
var testInstance = _testAssetsManager.CreateTestDirectory();

File.WriteAllText(Path.Join(testInstance.Path, "Test.csproj"), $"""
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>{ToolsetInfo.CurrentTargetFramework}</TargetFramework>
</PropertyGroup>
<Target Name="CustomTarget">
<Csc Sources="File.cs" />
</Target>
</Project>
""");

File.WriteAllText(Path.Join(testInstance.Path, "File.cs"), """
using System.Linq;
System.Console.WriteLine();
""");

new MSBuildCommand(Log, "CustomTarget", testInstance.Path)
.WithWorkingDirectory(testInstance.Path)
.Execute()
.Should().Pass();
}

private TestAsset CreateProject(bool useSharedCompilation, Language language, Action<TestProject>? configure = null, [CallerMemberName] string callingMethod = "")
{
var (projExtension, sourceName, sourceText) = language switch
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