src/ExpressionEvaluator/VisualBasic/Test/ExpressionCompiler/NoPIATests.vb - main - githubmirror/roslyn

src/ExpressionEvaluator/VisualBasic/Test/ExpressionCompiler/NoPIATests.vb

56 строк2 KB

Jonathon Marolf

update headers

23 янв 2020, 04:01

23 янв 2020, 04:0191571a3

' Licensed to the .NET Foundation under one or more agreements.
' The .NET Foundation licenses this file to you under the MIT license.
' See the LICENSE file in the project root for more information.

Imports Microsoft.CodeAnalysis.CodeGen
Imports Microsoft.CodeAnalysis.ExpressionEvaluator
Imports Microsoft.CodeAnalysis.ExpressionEvaluator.UnitTests
Imports Microsoft.CodeAnalysis.VisualBasic.UnitTests
Imports Roslyn.Test.Utilities
Imports Xunit

Namespace Microsoft.CodeAnalysis.VisualBasic.ExpressionEvaluator.UnitTests

    Public Class NoPIATests
        Inherits ExpressionCompilerTestBase

        <Fact>
        Public Sub ExplicitEmbeddedType()
            Const source =
"Imports System.Runtime.InteropServices
<TypeIdentifier>
<Guid(""863D5BC0-46A1-49AD-97AA-A5F0D441A9D9"")>
Public Interface I
    Function F() As Object
End Interface
Class C
    Sub M()
        Dim o As I = Nothing
    End Sub
End Class"
            Dim comp = CreateCompilationWithMscorlib40(
                {source},
                options:=TestOptions.DebugDll,
                assemblyName:=ExpressionCompilerUtilities.GenerateUniqueName())

            WithRuntimeInstance(comp,
                Sub(runtime)
                    Dim context = CreateMethodContext(runtime, "C.M")
                    Dim errorMessage As String = Nothing
                    Dim testData = New CompilationTestData()
                    context.CompileExpression("Me", errorMessage, testData, DebuggerDiagnosticFormatter.Instance)
                    Assert.Null(errorMessage)
                    testData.GetMethodData("<>x.<>m0").VerifyIL(
"{
  // Code size        2 (0x2)
  .maxstack  1
  .locals init (I V_0) //o
  IL_0000:  ldarg.0
  IL_0001:  ret
}")
                End Sub)
        End Sub

    End Class

End Namespace