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e170abfd
编写于
8月 26, 2016
作者:
G
gafter
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差异文件
Add a test for a know broken scenario in pattern variable scope.
上级
1f0e5f81
变更
2
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2 changed file
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65 addition
and
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+65
-0
src/Compilers/CSharp/Test/Semantic/Semantics/OutVarTests.cs
src/Compilers/CSharp/Test/Semantic/Semantics/OutVarTests.cs
+34
-0
src/Compilers/CSharp/Test/Semantic/Semantics/PatternMatchingTests.cs
...rs/CSharp/Test/Semantic/Semantics/PatternMatchingTests.cs
+31
-0
未找到文件。
src/Compilers/CSharp/Test/Semantic/Semantics/OutVarTests.cs
浏览文件 @
e170abfd
...
...
@@ -16960,5 +16960,39 @@ public static void Main()
Diagnostic(ErrorCode.ERR_TypeInferenceFailedForImplicitlyTypedOutVariable, "x4").WithArguments("x4").WithLocation(19, 37)
);
}
[Fact]
public void FixedFieldSize()
{
var text = @"
unsafe struct S
{
fixed int F1[out var x1, x1];
//fixed int F2[3 is int x2 ? x2 : 3];
//fixed int F2[3 is int x3 ? 3 : 3, x3];
}
";
var compilation = CreateCompilationWithMscorlib(text,
options: TestOptions.ReleaseDebugDll.WithAllowUnsafe(true),
parseOptions: TestOptions.Regular);
var tree = compilation.SyntaxTrees.Single();
var model = compilation.GetSemanticModel(tree);
Assert.Empty(GetOutVarDeclarations(tree, "x1"));
compilation.VerifyDiagnostics(
// (4,18): error CS1003: Syntax error, ',' expected
// fixed int F1[out var x1, x1];
Diagnostic(ErrorCode.ERR_SyntaxError, "out").WithArguments(",", "out").WithLocation(4, 18),
// (4,26): error CS1003: Syntax error, ',' expected
// fixed int F1[out var x1, x1];
Diagnostic(ErrorCode.ERR_SyntaxError, "x1").WithArguments(",", "").WithLocation(4, 26),
// (4,17): error CS7092: A fixed buffer may only have one dimension.
// fixed int F1[out var x1, x1];
Diagnostic(ErrorCode.ERR_FixedBufferTooManyDimensions, "[out var x1, x1]").WithLocation(4, 17),
// (4,22): error CS0103: The name 'var' does not exist in the current context
// fixed int F1[out var x1, x1];
Diagnostic(ErrorCode.ERR_NameNotInContext, "var").WithArguments("var").WithLocation(4, 22)
);
}
}
}
src/Compilers/CSharp/Test/Semantic/Semantics/PatternMatchingTests.cs
浏览文件 @
e170abfd
...
...
@@ -14245,6 +14245,37 @@ static bool Dummy(params object[] data)
Assert.Equal("System.Boolean", compilation.GetSemanticModel(tree).GetTypeInfo(zRef).Type.ToTestDisplayString());
}
[Fact(Skip = "https://github.com/dotnet/roslyn/issues/13417")]
public void FixedFieldSize()
{
var text = @"
unsafe struct S
{
fixed int F1[3 is var x1 ? x1 : 3];
fixed int F2[3 is var x2 ? 3 : 3, x2];
}
";
var compilation = CreateCompilationWithMscorlib(text,
options: TestOptions.ReleaseDebugDll.WithAllowUnsafe(true),
parseOptions: TestOptions.Regular);
var tree = compilation.SyntaxTrees.Single();
var model = compilation.GetSemanticModel(tree);
var x1Decl = GetPatternDeclarations(tree, "x1").Single();
var x1Ref = GetReferences(tree, "x1").Single();
Assert.Equal("System.Int32", compilation.GetSemanticModel(tree).GetTypeInfo(x1Ref).Type.ToTestDisplayString());
VerifyModelForDeclarationPattern(model, x1Decl, x1Ref);
var x2Decl = GetPatternDeclarations(tree, "x2").Single();
var x2Ref = GetReferences(tree, "x2").Single();
VerifyModelForDeclarationPattern(model, x2Decl, x2Ref);
Assert.Equal("System.Int32", compilation.GetSemanticModel(tree).GetTypeInfo(x2Ref).Type.ToTestDisplayString());
compilation.VerifyDiagnostics(
// not sure what the errors should be, but there should be some.
);
}
private IEnumerable<DeclarationPatternSyntax> GetPatternDeclarations(SyntaxTree tree, string v)
{
return tree.GetRoot().DescendantNodes().OfType<DeclarationPatternSyntax>().Where(p => p.Identifier.ValueText == v);
...
...
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