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Add test for Experimental usage in Experimental method #69131

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merged 1 commit into from
Jul 20, 2023
Merged

Add test for Experimental usage in Experimental method #69131

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34 changes: 34 additions & 0 deletions src/Compilers/CSharp/Test/Emit2/Semantics/ExperimentalAttributeTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -956,6 +956,40 @@ void M2()
);
}

[Theory, CombinatorialData]
public void InExperimentalMethod(bool inSource)
{
// Diagnostics for [Experimental] are not suppressed in [Experimental] members
var libSrc = """
public class C
{
[System.Diagnostics.CodeAnalysis.Experimental("DiagID1")]
public static void M() { }
}
""";

var src = """
class D
{
[System.Diagnostics.CodeAnalysis.Experimental("DiagID2")]
void M2()
{
C.M();
}
}
""";

var comp = inSource
? CreateCompilation(new[] { src, libSrc, experimentalAttributeSrc })
: CreateCompilation(src, references: new[] { CreateCompilation(new[] { libSrc, experimentalAttributeSrc }).EmitToImageReference() });

comp.VerifyDiagnostics(
// (6,9): warning DiagID1: 'C.M()' is for evaluation purposes only and is subject to change or removal in future updates.
// C.M();
Diagnostic("DiagID1", "C.M()").WithArguments("C.M()").WithLocation(6, 9)
);
}

[Theory, CombinatorialData]
public void WithObsolete(bool inSource)
{
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