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' 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 System.Xml.Linq
Imports Microsoft.CodeAnalysis.Test.Utilities
Imports Roslyn.Test.Utilities
Imports Xunit
Namespace Microsoft.CodeAnalysis.VisualBasic.UnitTests.Semantics
Public Class AttributeTests_WindowsExperimental
Inherits BasicTestBase
Private Shared ReadOnly DeprecatedAndExperimentalAttributeSource As XElement =
<compilation>
<file><![CDATA[
Imports System
Namespace Windows.Foundation.Metadata
<AttributeUsage(
AttributeTargets.Class Or AttributeTargets.Struct Or AttributeTargets.Enum Or AttributeTargets.Constructor Or AttributeTargets.Method Or AttributeTargets.Property Or AttributeTargets.Field Or AttributeTargets.Event Or AttributeTargets.Interface Or AttributeTargets.Delegate,
AllowMultiple:=True)>
Public NotInheritable Class DeprecatedAttribute
Inherits Attribute
Public Sub New(message As String, type As DeprecationType, version As UInteger)
End Sub
End Class
Public Enum DeprecationType
Deprecate
Remove
End Enum
End Namespace
]]>
</file>
<file><![CDATA[
Imports System
Namespace Windows.Foundation.Metadata
<AttributeUsage(
AttributeTargets.Class Or AttributeTargets.Struct Or AttributeTargets.Enum Or AttributeTargets.Interface Or AttributeTargets.Delegate,
AllowMultiple:=False)>
Public NotInheritable Class ExperimentalAttribute
Inherits Attribute
End Class
End Namespace
]]>
</file>
</compilation>
<Fact()>
Public Sub TestExperimentalAttribute()
Dim ref0 = CreateDeprecatedAndExperimentalAttributeReference()
Dim source1 =
<compilation>
<file><![CDATA[
Imports Windows.Foundation.Metadata
Namespace N
<Experimental>
Public Structure S
End Structure
<Experimental>
Public Delegate Sub D(Of T)()
Public Class A(Of T)
<Experimental>
Public Class B
End Class
Private Shared Sub M()
Dim o = New B()
Dim d As D(Of Integer) = Nothing
d()
End Sub
End Class
<Experimental>
Public Enum E
A
End Enum
End Namespace
]]>
</file>
</compilation>
Dim comp1 = CreateCompilationWithMscorlib40(source1, references:={ref0})
comp1.AssertTheseDiagnostics(<errors>
BC42380: 'N.A(Of T).B' is for evaluation purposes only and is subject to change or removal in future updates.
Dim o = New B()
~
BC42380: 'N.D(Of Integer)' is for evaluation purposes only and is subject to change or removal in future updates.
Dim d As D(Of Integer) = Nothing
~~~~~~~~~~~~~
</errors>)
Dim source2 =
<compilation>
<file><![CDATA[
Imports N
Imports B = N.A(Of Integer).B
Class C
Shared Sub F()
Dim o As Object = New B()
o = New S()
Dim e As E
e = E.A
End Sub
End Class
]]>
</file>
</compilation>
Dim comp2A = CreateCompilationWithMscorlib40(source2, references:={ref0, comp1.EmitToImageReference()})
comp2A.AssertTheseDiagnostics(<errors>
BC42380: 'N.A(Of Integer).B' is for evaluation purposes only and is subject to change or removal in future updates.
Imports B = N.A(Of Integer).B
~~~~~~~~~~~~~~~~~
BC42380: 'N.S' is for evaluation purposes only and is subject to change or removal in future updates.
o = New S()
~
BC42380: 'N.E' is for evaluation purposes only and is subject to change or removal in future updates.
Dim e As E
~
BC42380: 'N.E' is for evaluation purposes only and is subject to change or removal in future updates.
e = E.A
~
</errors>)
Dim comp2B = CreateCompilationWithMscorlib40(source2, references:={ref0, New VisualBasicCompilationReference(comp1)})
comp2B.AssertTheseDiagnostics(<errors>
BC42380: 'N.A(Of Integer).B' is for evaluation purposes only and is subject to change or removal in future updates.
Imports B = N.A(Of Integer).B
~~~~~~~~~~~~~~~~~
BC42380: 'N.S' is for evaluation purposes only and is subject to change or removal in future updates.
o = New S()
~
BC42380: 'N.E' is for evaluation purposes only and is subject to change or removal in future updates.
Dim e As E
~
BC42380: 'N.E' is for evaluation purposes only and is subject to change or removal in future updates.
e = E.A
~
</errors>)
End Sub
' <Experimental> applied to members even though
' AttributeUsage is types only.
<Fact()>
Public Sub TestExperimentalMembers()
Dim source0 =
".class public Windows.Foundation.Metadata.ExperimentalAttribute extends [mscorlib]System.Attribute
{
.custom instance void [mscorlib]System.AttributeUsageAttribute::.ctor(valuetype [mscorlib]System.AttributeTargets) = ( 01 00 1C 14 00 00 01 00 54 02 0D 41 6C 6C 6F 77 // ........T..Allow
4D 75 6C 74 69 70 6C 65 00 ) // Multiple.
}
.class public E extends [mscorlib]System.Enum
{
.field public specialname rtspecialname int32 value__
.field public static literal valuetype E A = int32(0x00000000)
.custom instance void Windows.Foundation.Metadata.ExperimentalAttribute::.ctor() = ( 01 00 00 00 )
.field public static literal valuetype E B = int32(0x00000001)
}
.class interface public I
{
.method public abstract virtual instance void F()
{
.custom instance void Windows.Foundation.Metadata.ExperimentalAttribute::.ctor() = ( 01 00 00 00 )
}
}
.class public C implements I
{
.method public virtual final instance void F() { ret }
}"
Dim ref0 = CompileIL(source0)
Dim source1 =
<compilation>
<file><![CDATA[
Class Program
Shared Sub Main()
Dim e As E
e = E.A ' BC42380: 'A' is for evaluation purposes only
e = E.B
Dim o As C = Nothing
o.F()
DirectCast(o, I).F() ' BC42380: 'Sub F()' is for evaluation purposes only
End Sub
End Class
]]>
</file>
</compilation>
Dim comp1 = CreateCompilationWithMscorlib40(source1, references:={ref0})
comp1.AssertTheseDiagnostics(<errors>
BC42380: 'A' is for evaluation purposes only and is subject to change or removal in future updates.
e = E.A ' BC42380: 'A' is for evaluation purposes only
~~~
BC42380: 'Sub F()' is for evaluation purposes only and is subject to change or removal in future updates.
DirectCast(o, I).F() ' BC42380: 'Sub F()' is for evaluation purposes only
~~~~~~~~~~~~~~~~~~~~
</errors>)
Dim source2 =
<compilation>
<file><![CDATA[
Imports N
Imports B = N.A(Of Integer).B
Class C
Shared Sub F()
Dim o As Object = New B()
o = New S()
Dim e As E
e = E.A
End Sub
End Class
]]>
</file>
</compilation>
End Sub
<Fact()>
Public Sub TestExperimentalTypeWithDeprecatedAndObsoleteMembers()
Dim ref0 = CreateDeprecatedAndExperimentalAttributeReference()
Dim source =
<compilation>
<file><![CDATA[
Imports System
Imports Windows.Foundation.Metadata
<Experimental>
Class A
Friend Sub F0()
End Sub
<Deprecated("", DeprecationType.Deprecate, 0)>
Friend Sub F1()
End Sub
<Deprecated("", DeprecationType.Remove, 0)>
Friend Sub F2()
End Sub
<Obsolete("", False)>
Friend Sub F3()
End Sub
<Obsolete("", True)>
Friend Sub F4()
End Sub
<Experimental>
Friend Class B
End Class
End Class
Class C
Shared Sub F(a As A)
a.F0()
a.F1()
a.F2()
a.F3()
a.F4()
Dim b = New A.B()
End Sub
End Class
]]>
</file>
</compilation>
Dim comp = CreateCompilationWithMscorlib40(source, references:={ref0})
comp.AssertTheseDiagnostics(<errors>
BC42380: 'A' is for evaluation purposes only and is subject to change or removal in future updates.
Shared Sub F(a As A)
~
BC40008: 'Friend Sub F1()' is obsolete.
a.F1()
~~~~~~
BC31075: 'Friend Sub F2()' is obsolete.
a.F2()
~~~~~~
BC40008: 'Friend Sub F3()' is obsolete.
a.F3()
~~~~~~
BC31075: 'Friend Sub F4()' is obsolete.
a.F4()
~~~~~~
BC42380: 'A' is for evaluation purposes only and is subject to change or removal in future updates.
Dim b = New A.B()
~
BC42380: 'A.B' is for evaluation purposes only and is subject to change or removal in future updates.
Dim b = New A.B()
~~~
</errors>)
End Sub
' Diagnostics for <Obsolete> members
' are not suppressed in <Experimental> types.
<Fact()>
Public Sub TestObsoleteMembersInExperimentalType()
Dim ref0 = CreateDeprecatedAndExperimentalAttributeReference()
Dim source =
<compilation>
<file><![CDATA[
Imports System
Imports Windows.Foundation.Metadata
Class A
Friend Sub F0()
End Sub
<Deprecated("", DeprecationType.Deprecate, 0)>
Friend Sub F1()
End Sub
<Deprecated("", DeprecationType.Remove, 0)>
Friend Sub F2()
End Sub
<Obsolete("", False)>
Friend Sub F3()
End Sub
<Obsolete("", True)>
Friend Sub F4()
End Sub
<Experimental>
Friend Class B
End Class
End Class
<Experimental>
Class C
Shared Sub F(a As A)
a.F0()
a.F1()
a.F2()
a.F3()
a.F4()
Dim b = New A.B()
End Sub
End Class
]]>
</file>
</compilation>
Dim comp = CreateCompilationWithMscorlib40(source, references:={ref0})
comp.AssertTheseDiagnostics(<errors>
BC40008: 'Friend Sub F1()' is obsolete.
a.F1()
~~~~~~
BC31075: 'Friend Sub F2()' is obsolete.
a.F2()
~~~~~~
BC40008: 'Friend Sub F3()' is obsolete.
a.F3()
~~~~~~
BC31075: 'Friend Sub F4()' is obsolete.
a.F4()
~~~~~~
BC42380: 'A.B' is for evaluation purposes only and is subject to change or removal in future updates.
Dim b = New A.B()
~~~
</errors>)
End Sub
<Fact()>
Public Sub TestObsoleteMembersInExperimentalTypeInObsoleteType()
Dim ref0 = CreateDeprecatedAndExperimentalAttributeReference()
Dim source =
<compilation>
<file><![CDATA[
Imports System
Imports Windows.Foundation.Metadata
Class A
<Obsolete("", False)>
Friend Sub F()
End Sub
End Class
<Obsolete("", False)>
Class B
<Experimental>
Class C
Shared Sub G(a As A)
a.F()
End Sub
End Class
End Class
]]>
</file>
</compilation>
Dim comp = CreateCompilationWithMscorlib40(source, references:={ref0})
comp.AssertTheseDiagnostics(<errors/>)
End Sub
' Diagnostics for <Experimental> types
' are not suppressed in <Obsolete> members.
<Fact()>
Public Sub TestExperimentalTypeInObsoleteMember()
Dim ref0 = CreateDeprecatedAndExperimentalAttributeReference()
Dim source =
<compilation>
<file><![CDATA[
Imports System
Imports Windows.Foundation.Metadata
<Experimental>
Class A
End Class
<Experimental>
Class B
End Class
Class C
Shared Function FA() As Object
Return New A()
End Function
<Obsolete("", False)>
Shared Function FB() As Object
Return New B()
End Function
End Class
]]>
</file>
</compilation>
Dim comp = CreateCompilationWithMscorlib40(source, references:={ref0})
comp.AssertTheseDiagnostics(<errors>
BC42380: 'A' is for evaluation purposes only and is subject to change or removal in future updates.
Return New A()
~
BC42380: 'B' is for evaluation purposes only and is subject to change or removal in future updates.
Return New B()
~
</errors>)
End Sub
<Fact()>
Public Sub TestExperimentalTypeWithAttributeMarkedObsolete()
Dim ref0 = CreateDeprecatedAndExperimentalAttributeReference()
Dim source =
<compilation>
<file><![CDATA[
Imports System
Imports Windows.Foundation.Metadata
<Obsolete>
Class MyAttribute
Inherits Attribute
End Class
<Experimental>
<MyAttribute>
Class A
End Class
Class B
Function F() As A
Return Nothing
End Function
End Class
]]>
</file>
</compilation>
Dim comp = CreateCompilationWithMscorlib40(source, references:={ref0})
comp.AssertTheseDiagnostics(<errors><![CDATA[
BC40008: 'MyAttribute' is obsolete.
<MyAttribute>
~~~~~~~~~~~
BC42380: 'A' is for evaluation purposes only and is subject to change or removal in future updates.
Function F() As A
~
]]></errors>)
End Sub
<Fact()>
Public Sub TestObsoleteTypeWithAttributeMarkedExperimental()
Dim ref0 = CreateDeprecatedAndExperimentalAttributeReference()
Dim source =
<compilation>
<file><![CDATA[
Imports System
Imports Windows.Foundation.Metadata
<Experimental>
Class MyAttribute
Inherits Attribute
End Class
<Obsolete>
<MyAttribute>
Class A
End Class
Class B
Function F() As A
Return Nothing
End Function
End Class
]]>
</file>
</compilation>
Dim comp = CreateCompilationWithMscorlib40(source, references:={ref0})
comp.AssertTheseDiagnostics(<errors><![CDATA[
BC42380: 'MyAttribute' is for evaluation purposes only and is subject to change or removal in future updates.
<MyAttribute>
~~~~~~~~~~~
BC40008: 'A' is obsolete.
Function F() As A
~
]]></errors>)
End Sub
<Fact()>
Public Sub TestAttributesMarkedExperimentalAndObsolete()
Dim ref0 = CreateDeprecatedAndExperimentalAttributeReference()
Dim source =
<compilation>
<file><![CDATA[
Imports System
Imports Windows.Foundation.Metadata
<Experimental><B>
Class AAttribute
Inherits Attribute
End Class
<Obsolete><A>
Class BAttribute
Inherits Attribute
End Class
<A><B>
Class C
End Class
]]>
</file>
</compilation>
Dim comp = CreateCompilationWithMscorlib40(source, references:={ref0})
comp.AssertTheseDiagnostics(<errors><![CDATA[
BC40008: 'BAttribute' is obsolete.
<Experimental><B>
~
BC42380: 'AAttribute' is for evaluation purposes only and is subject to change or removal in future updates.
<Obsolete><A>
~
BC42380: 'AAttribute' is for evaluation purposes only and is subject to change or removal in future updates.
<A><B>
~
BC40008: 'BAttribute' is obsolete.
<A><B>
~
]]></errors>)
End Sub
<Fact()>
Public Sub TestAttributesMarkedExperimentalAndObsolete2()
Dim ref0 = CreateDeprecatedAndExperimentalAttributeReference()
Dim source =
<compilation>
<file><![CDATA[
Imports System
Imports Windows.Foundation.Metadata
<Obsolete><B>
Class AAttribute
Inherits Attribute
End Class
<Experimental><A>
Class BAttribute
Inherits Attribute
End Class
<A><B>
Class C
End Class
]]>
</file>
</compilation>
Dim comp = CreateCompilationWithMscorlib40(source, references:={ref0})
comp.AssertTheseDiagnostics(<errors><![CDATA[
BC42380: 'BAttribute' is for evaluation purposes only and is subject to change or removal in future updates.
<Obsolete><B>
~
BC40008: 'AAttribute' is obsolete.
<Experimental><A>
~
BC40008: 'AAttribute' is obsolete.
<A><B>
~
BC42380: 'BAttribute' is for evaluation purposes only and is subject to change or removal in future updates.
<A><B>
~
]]></errors>)
End Sub
' Combinations of attributes.
<Fact()>
Public Sub TestDeprecatedAndExperimentalAndObsoleteAttributes()
Dim ref0 = CreateDeprecatedAndExperimentalAttributeReference()
Dim source1 =
<compilation>
<file><![CDATA[
Imports System
Imports Windows.Foundation.Metadata
<Obsolete("OA", False), Deprecated("DA", DeprecationType.Deprecate, 0)>
Public Structure SA : End Structure
<Obsolete("OB", False), Deprecated("DB", DeprecationType.Remove, 0)> Public Structure SB : End Structure
<Obsolete("OC", False), Experimental> Public Structure SC : End Structure
<Obsolete("OD", True), Deprecated("DC", DeprecationType.Deprecate, 0)>Public Structure SD : End Structure
<Obsolete("OE", True), Deprecated("DD", DeprecationType.Remove, 0)> Public Structure SE : End Structure
<Obsolete("OF", True), Experimental> Public Structure SF : End Structure
<Deprecated("DG", DeprecationType.Deprecate, 0), Obsolete("OG", False)> Public Interface IG : End Interface
<Deprecated("DH", DeprecationType.Deprecate, 0), Obsolete("OH", True)> Public Interface IH : End Interface
<Deprecated("DI", DeprecationType.Deprecate, 0), Experimental> Public Interface II : End Interface
<Deprecated("DJ", DeprecationType.Remove, 0), Obsolete("OJ", False)> Public Interface IJ : End Interface
<Deprecated("DK", DeprecationType.Remove, 0), Obsolete("OK", True)> Public Interface IK : End Interface
<Deprecated("DL", DeprecationType.Remove, 0), Experimental> Public Interface IL : End Interface
<Experimental, Obsolete("OM", False)> Public Class CM : End Class
<Experimental, Obsolete("ON", True)> Public Class CN : End Class
<Experimental, Deprecated("DO", DeprecationType.Deprecate, 0)>Public Class CO : End Class
<Experimental, Deprecated("DP", DeprecationType.Remove, 0)> Public Class CP : End Class
]]>
</file>
</compilation>
Dim comp1 = CreateCompilationWithMscorlib40(source1, references:={ref0})
comp1.AssertTheseDiagnostics(<errors/>)
Dim source2 =
<compilation>
<file><![CDATA[
Class C
Shared Sub F(o As Object)
End Sub
Shared Sub Main()
F(New SA())
F(New SB())
F(New SC())
F(New SD())
F(New SE())
F(New SF())
F(GetType(IG))
F(GetType(IH))
F(GetType(II))
F(GetType(IJ))
F(GetType(IK))
F(New CM())
F(New CN())
F(New CO())
F(New CP())
End Sub
End Class
]]>
</file>
</compilation>
Dim comp2 = CreateCompilationWithMscorlib40(source2, references:={ref0, comp1.EmitToImageReference()})
comp2.AssertTheseDiagnostics(<errors>
BC40000: 'SA' is obsolete: 'DA'.
F(New SA())
~~
BC30668: 'SB' is obsolete: 'DB'.
F(New SB())
~~
BC40000: 'SC' is obsolete: 'OC'.
F(New SC())
~~
BC40000: 'SD' is obsolete: 'DC'.
F(New SD())
~~
BC30668: 'SE' is obsolete: 'DD'.
F(New SE())
~~
BC30668: 'SF' is obsolete: 'OF'.
F(New SF())
~~
BC40000: 'IG' is obsolete: 'DG'.
F(GetType(IG))
~~
BC40000: 'IH' is obsolete: 'DH'.
F(GetType(IH))
~~
BC40000: 'II' is obsolete: 'DI'.
F(GetType(II))
~~
BC30668: 'IJ' is obsolete: 'DJ'.
F(GetType(IJ))
~~
BC30668: 'IK' is obsolete: 'DK'.
F(GetType(IK))
~~
BC40000: 'CM' is obsolete: 'OM'.
F(New CM())
~~
BC30668: 'CN' is obsolete: 'ON'.
F(New CN())
~~
BC40000: 'CO' is obsolete: 'DO'.
F(New CO())
~~
BC30668: 'CP' is obsolete: 'DP'.
F(New CP())
~~
</errors>)
End Sub
<Fact()>
Public Sub TestImportStatements()
Dim ref0 = CreateDeprecatedAndExperimentalAttributeReference()
Dim source =
<compilation>
<file><![CDATA[
Imports System
Imports Windows.Foundation.Metadata
Imports CA = C(Of A)
Imports CB = C(Of B)
Imports CC = C(Of C)
Imports CD = C(Of D)
<Obsolete>
Class A
End Class
<Obsolete>
Class B
End Class
<Experimental>
Class C
End Class
<Experimental>
Class D
End Class
Class C(Of T)
End Class
Class P
Shared Sub Main()
Dim o
o = New CB()
o = New CD()
End Sub
End Class
]]>
</file>
</compilation>
Dim comp = CreateCompilationWithMscorlib40(source, references:={ref0})
comp.AssertTheseDiagnostics(<errors><![CDATA[
BC40008: 'A' is obsolete.
Imports CA = C(Of A)
~
BC40008: 'B' is obsolete.
Imports CB = C(Of B)
~
BC42380: 'C' is for evaluation purposes only and is subject to change or removal in future updates.
Imports CC = C(Of C)
~
BC42380: 'D' is for evaluation purposes only and is subject to change or removal in future updates.
Imports CD = C(Of D)
~
]]></errors>)
End Sub
Private Shared Function CreateDeprecatedAndExperimentalAttributeReference() As MetadataReference
Dim comp = CreateCompilationWithMscorlib40(DeprecatedAndExperimentalAttributeSource)
comp.AssertNoDiagnostics()
Return comp.EmitToImageReference()
End Function
End Class
End Namespace
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