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f142fb15
编写于
8月 21, 2017
作者:
F
Fredric Silberberg
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差异文件
Added tests for out vars and deconstruction assignments.
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8964ed21
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src/Compilers/CSharp/Test/Semantic/IOperation/IOperationTests_ILocalReferenceExpression.cs
...c/IOperation/IOperationTests_ILocalReferenceExpression.cs
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src/Compilers/CSharp/Test/Semantic/IOperation/IOperationTests_ILocalReferenceExpression.cs
0 → 100644
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f142fb15
// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using
Microsoft.CodeAnalysis.CSharp.Syntax
;
using
Microsoft.CodeAnalysis.Test.Utilities
;
using
Xunit
;
namespace
Microsoft.CodeAnalysis.CSharp.UnitTests
{
public
partial
class
IOperationTests
:
SemanticModelTestBase
{
[
CompilerTrait
(
CompilerFeature
.
IOperation
)]
[
Fact
]
public
void
ILocalReferenceExpression_OutVar
()
{
string
source
=
@"
using System;
public class C1
{
public virtual void M1()
{
M2(out /*<bind>*/var i/*</bind>*/);
}
public void M2(out int i )
{
i = 0;
}
}
"
;
string
expectedOperationTree
=
@"
ILocalReferenceExpression: i (IsDeclaration: True) (OperationKind.LocalReferenceExpression, Type: System.Int32) (Syntax: 'var i')
"
;
var
expectedDiagnostics
=
DiagnosticDescription
.
None
;
VerifyOperationTreeAndDiagnosticsForTest
<
DeclarationExpressionSyntax
>(
source
,
expectedOperationTree
,
expectedDiagnostics
);
}
[
CompilerTrait
(
CompilerFeature
.
IOperation
)]
[
Fact
]
public
void
ILocalReferenceExpression_DeconstructionDeclaration
()
{
string
source
=
@"
using System;
public class C1
{
public virtual void M1()
{
/*<bind>*/(var i1, var i2)/*</bind>*/ = (1, 2);
}
}
"
;
string
expectedOperationTree
=
@"
ITupleExpression (OperationKind.TupleExpression, Type: (System.Int32 i1, System.Int32 i2)) (Syntax: '(var i1, var i2)')
Elements(2):
ILocalReferenceExpression: i1 (IsDeclaration: True) (OperationKind.LocalReferenceExpression, Type: System.Int32) (Syntax: 'var i1')
ILocalReferenceExpression: i2 (IsDeclaration: True) (OperationKind.LocalReferenceExpression, Type: System.Int32) (Syntax: 'var i2')
"
;
var
expectedDiagnostics
=
DiagnosticDescription
.
None
;
VerifyOperationTreeAndDiagnosticsForTest
<
TupleExpressionSyntax
>(
source
,
expectedOperationTree
,
expectedDiagnostics
);
}
[
CompilerTrait
(
CompilerFeature
.
IOperation
)]
[
Fact
]
public
void
ILocalReferenceExpression_DeconstructionDeclaration_AlternateSyntax
()
{
string
source
=
@"
using System;
public class C1
{
public virtual void M1()
{
/*<bind>*/var (i1, i2)/*</bind>*/ = (1, 2);
}
}
"
;
string
expectedOperationTree
=
@"
ITupleExpression (OperationKind.TupleExpression, Type: (System.Int32 i1, System.Int32 i2)) (Syntax: 'var (i1, i2)')
Elements(2):
ILocalReferenceExpression: i1 (IsDeclaration: True) (OperationKind.LocalReferenceExpression, Type: System.Int32) (Syntax: 'i1')
ILocalReferenceExpression: i2 (IsDeclaration: True) (OperationKind.LocalReferenceExpression, Type: System.Int32) (Syntax: 'i2')
"
;
var
expectedDiagnostics
=
DiagnosticDescription
.
None
;
VerifyOperationTreeAndDiagnosticsForTest
<
DeclarationExpressionSyntax
>(
source
,
expectedOperationTree
,
expectedDiagnostics
);
}
}
}
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