|
// 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.
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.CodeCleanup;
using Microsoft.CodeAnalysis.CodeCleanup.Providers;
using Microsoft.CodeAnalysis.Shared.Extensions;
using Microsoft.CodeAnalysis.Test.Utilities;
using Microsoft.CodeAnalysis.Text;
using Microsoft.CodeAnalysis.VisualBasic;
using Roslyn.Test.Utilities;
using Xunit;
namespace Microsoft.CodeAnalysis.UnitTests.CodeCleanup;
[UseExportProvider]
[Trait(Traits.Feature, Traits.Features.RemoveUnnecessaryLineContinuation)]
public sealed class RemoveUnnecessaryLineContinuationTests
{
[Fact]
public async Task ColonTrivia()
{
var code = @"[|
::: Console.WriteLine("")|]";
var expected = @"
Console.WriteLine("")";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact]
public async Task ColonTrivia_EndOfLine()
{
var code = @"[|
:::
Console.WriteLine("")|]";
var expected = @"
Console.WriteLine("")";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact]
public async Task ColonTrivia_LineContinuation()
{
var code = @"[|
::: _
_
_
Console.WriteLine("")|]";
var expected = @"
Console.WriteLine("")";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact]
public async Task ColonTrivia_LineContinuation2()
{
var code = @"[|
:::
_
_
Console.WriteLine("")|]";
var expected = @"
Console.WriteLine("")";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact]
public async Task ColonTrivia_LineContinuation3()
{
var code = @"[|
:::
_
Console.WriteLine("")|]";
var expected = @"
Console.WriteLine("")";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact]
public async Task ColonTrivia_LineContinuation_Comment()
{
var code = @"[|
:::
_
' test
Console.WriteLine("")|]";
var expected = @"
_
' test
Console.WriteLine("")";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact]
public async Task LineContinuation()
{
var code = @"[|
Console.WriteLine("""") _
Console.WriteLine("""")|]";
var expected = @"
Console.WriteLine("""")
Console.WriteLine("""")";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact]
public async Task LineContinuation_MultipleLines()
{
var code = @"[|
Console.WriteLine("""") _
_
_
Console.WriteLine("""")|]";
var expected = @"
Console.WriteLine("""") _
_
_
Console.WriteLine("""")";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact]
public async Task LineContinuation_MultipleLines2()
{
var code = @"[|
Console.WriteLine("""") _
_
_
Console.WriteLine("""")|]";
var expected = @"
Console.WriteLine("""")
Console.WriteLine("""")";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact]
public async Task LineContinuation_Invalid()
{
var code = @"[|
Console.WriteLine() _ _
' test
: ' test
_
Console.WriteLine()|]";
var expected = @"
Console.WriteLine() _ _
' test
' test
_
Console.WriteLine()";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact]
public async Task ColonToken_SingleLine()
{
var code = @"[|
Console.WriteLine() : Console.WriteLine()|]";
var expected = @"
Console.WriteLine() : Console.WriteLine()";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact]
public async Task ColonToken_SingleLine_MultipleColon()
{
var code = @"[|
Console.WriteLine() :::: Console.WriteLine()|]";
var expected = @"
Console.WriteLine() : Console.WriteLine()";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact]
public async Task ColonToken_SingleLine_SkippedTokens()
{
var code = @"[|
Console.WriteLine() _ : Console.WriteLine()|]";
var expected = @"
Console.WriteLine() _ : Console.WriteLine()";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact]
public async Task ColonToken_LineContinuation_BeforeColonToken()
{
var code = @"[|
Console.WriteLine() _
: Console.WriteLine()|]";
var expected = @"
Console.WriteLine()
Console.WriteLine()";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact]
public async Task ColonToken_LineContinuation_BeforeColonToken2()
{
var code = @"[|
Console.WriteLine() _ _
: Console.WriteLine()|]";
var expected = @"
Console.WriteLine() _ _
Console.WriteLine()";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact]
public async Task ColonToken_LineContinuation_Comment_BeforeColonToken()
{
var code = @"[|
Console.WriteLine() _ ' test
: Console.WriteLine()|]";
var expected = @"
Console.WriteLine() _ ' test
Console.WriteLine()";
await VerifyAsync(CreateMethod(code), CreateMethod(expected), LanguageVersion.VisualBasic15);
}
[Fact]
public async Task ColonToken_LineContinuation_Comment_BeforeColonTokenV16()
{
var code = @"[|
Console.WriteLine() _ ' test
: Console.WriteLine()|]";
var expected = @"
Console.WriteLine() _ ' test
Console.WriteLine()";
await VerifyAsync(CreateMethod(code), CreateMethod(expected), LanguageVersion.VisualBasic16);
}
[Fact]
public async Task ColonToken_MultipleLine()
{
var code = @"[|
Console.WriteLine() :
Console.WriteLine()|]";
var expected = @"
Console.WriteLine()
Console.WriteLine()";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact]
public async Task ColonToken_LineContinuation_AfterColonToken()
{
var code = @"[|
Console.WriteLine() : _
Console.WriteLine()|]";
var expected = @"
Console.WriteLine()
Console.WriteLine()";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact]
public async Task ColonToken_LineContinuation_AfterColonToken2()
{
var code = @"[|
Console.WriteLine() : _
_
Console.WriteLine()|]";
var expected = @"
Console.WriteLine()
Console.WriteLine()";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact]
public async Task ColonToken_LineContinuation_AfterColonToken_MultipleLine()
{
var code = @"[|
Console.WriteLine() : _
_
_|]";
var expected = @"
Console.WriteLine()
";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact]
public async Task ColonToken_LineContinuation_AfterColonToken_Mixed()
{
var code = @"[|
Console.WriteLine() : _
_
:
_
Console.WriteLine()|]";
var expected = @"
Console.WriteLine()
Console.WriteLine()";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact]
public async Task ColonToken_LineContinuation_AfterColonToken_Colon_Comment()
{
var code = @"[|
Console.WriteLine() : _
_
: ' test
_
Console.WriteLine()|]";
var expected = @"
Console.WriteLine() _
_
' test
_
Console.WriteLine()";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact]
public async Task ColonToken_LineContinuation_Mix()
{
var code = @"[|
Console.WriteLine() _ : _
_
: ' test
_
Console.WriteLine()|]";
var expected = @"
Console.WriteLine() _ _
_
' test
_
Console.WriteLine()";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact]
public async Task ColonToken_If()
{
var code = @"[|
If True Then :
End If|]";
var expected = @"
If True Then
End If";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact]
public async Task ImplicitLineContinuation()
{
var code = @"[|
Dim i = _
1 + _
2|]";
var expected = @"
Dim i =
1 +
2";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact]
public async Task ImplicitLineContinuation_Multiple()
{
var code = @"[|
Dim i = _
_
1 + _
2|]";
var expected = @"
Dim i = _
_
1 +
2";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact]
public async Task LineContinuation_Mix()
{
var code = @"[|Class _
A
Inherits _
System _
. _
Object
Public _
Function _
Method _
( _
i _
As _
Integer _
, _
i2 _
As _
String _
) _
As _
Integer
If _
i _
+ _
i2 _
. _
Length _
= _
1 _
Then
Console _
. _
WriteLine _
( _
vbCrLf _
)
End _
If
Return _
1
End _
Function
End _
Class|]";
var expected = @"Class _
A
Inherits _
System _
.
Object
Public _
Function _
Method _
(
i _
As _
Integer _
,
i2 _
As _
String
) _
As _
Integer
If _
i _
+
i2 _
.
Length _
=
1 _
Then
Console _
.
WriteLine _
(
vbCrLf
)
End _
If
Return _
1
End _
Function
End _
Class";
await VerifyAsync(code, expected);
}
[Fact]
public async Task ImplicitLineContinuation_Invalid()
{
var code = @"[|
Dim i = _ _
_ _
1 + _ _
2|]";
var expected = @"
Dim i = _ _
_ _
1 + _ _
2";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544470")]
public async Task AttributeTargetColon()
{
var code = @"[|<Assembly: _
CLSCompliant>|]";
var expected = @"<Assembly: _
CLSCompliant>";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/529428")]
public async Task LineContinuationInImport()
{
var code = @"[|Imports System _
|]";
var expected = @"Imports System
";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/529425")]
public async Task ColonInOption()
{
var code = @"[|Option Infer On :: Option Explicit Off|]";
var expected = @"Option Infer On : Option Explicit Off";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544524")]
public async Task LineContinuationInNamedFieldInitializer()
{
var code = @"[|Class C
Sub S()
Dim o = New With
{
. _
a = 2
}
End Sub
End Class|]";
var expected = @"Class C
Sub S()
Dim o = New With
{
. _
a = 2
}
End Sub
End Class";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544523")]
public async Task IfPart_Colon1()
{
var code = @"[|Module M
Sub S()
If True Then
: Return : End If
End Sub
End Module|]";
var expected = @"Module M
Sub S()
If True Then
Return : End If
End Sub
End Module";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544523")]
public async Task IfPart_Colon2()
{
var code = @"[|Module M
Sub S()
If True Then :
Return : End If
End Sub
End Module|]";
var expected = @"Module M
Sub S()
If True Then
Return : End If
End Sub
End Module";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544523")]
public async Task IfPart_Colon3()
{
var code = @"[|Module M
Sub S()
If True Then : Return
: End If
End Sub
End Module|]";
var expected = @"Module M
Sub S()
If True Then : Return
End If
End Sub
End Module";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544523")]
public async Task IfPart_Colon4()
{
var code = @"[|Module M
Sub S()
If True Then : Return :
End If
End Sub
End Module|]";
var expected = @"Module M
Sub S()
If True Then : Return
End If
End Sub
End Module";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544521")]
public async Task LabelColon()
{
var code = @"[|Module Program
Sub S()
L:
End Sub
End Module|]";
var expected = @"Module Program
Sub S()
L:
End Sub
End Module";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544521")]
public async Task LabelColon_ColonTrivia()
{
var code = @"[|Module Program
Sub S()
L:::::::::
End Sub
End Module|]";
var expected = @"Module Program
Sub S()
L:
End Sub
End Module";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544520")]
public async Task LineContinuation_MixedWithImplicitLineContinuation()
{
var code = @"[|Module Program
Sub Main(
_
args _
As String)
End Sub
End Module|]";
var expected = @"Module Program
Sub Main(
_
args _
As String)
End Sub
End Module";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544549")]
public async Task ColonTrivia_EndOfFile()
{
var code = @"[|:::::::
|]";
var expected = @"
";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545538")]
public async Task ColonTriviaBeforeCommentTrivia()
{
var code = @"[|Module M
Sub Main()
Dim b = <x/>.@x : '
End Sub
End Module|]";
var expected = @"Module M
Sub Main()
Dim b = <x/>.@x '
End Sub
End Module";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545540")]
public async Task InsideWithStatementWithMemberCall()
{
var code = @"[|Module Program
Sub Main()
With ""
Dim y = From x In "" Distinct
: .ToLower()
End With
End Sub
End Module|]";
var expected = @"Module Program
Sub Main()
With ""
Dim y = From x In "" Distinct
: .ToLower()
End With
End Sub
End Module";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545540")]
public async Task InsideWithStatementWithMemberCall2()
{
var code = @"[|Module Program
Sub Main()
With ""
Dim y = From x In """" Distinct :
.ToLower()
End With
End Sub
End Module|]";
var expected = @"Module Program
Sub Main()
With ""
Dim y = From x In """" Distinct :
.ToLower()
End With
End Sub
End Module";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545540")]
public async Task InsideWithStatementWithMemberCall3()
{
var code = @"[|Module Program
Sub Main()
With ""
.ToLower()
: .ToLower()
End With
End Sub
End Module|]";
var expected = @"Module Program
Sub Main()
With ""
.ToLower()
: .ToLower()
End With
End Sub
End Module";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545540")]
public async Task InsideWithStatementWithMemberCall4()
{
var code = @"[|Module Program
Sub Main()
With """"
.ToLower() :
.ToLower()
End With
End Sub
End Module|]";
var expected = @"Module Program
Sub Main()
With """"
.ToLower()
.ToLower()
End With
End Sub
End Module";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/607791")]
public async Task InsideWithStatementWithDictionaryAccess()
{
var code = @"[|Imports System.Collections
Module Program
Sub Main()
With New Hashtable
Dim x = From c In """" Distinct
:!A = !B
End With
End Sub
End Module
|]";
var expected = @"Imports System.Collections
Module Program
Sub Main()
With New Hashtable
Dim x = From c In """" Distinct
: !A = !B
End With
End Sub
End Module
";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/607791")]
public async Task InsideWithStatementWithDictionaryAccess2()
{
var code = @"[|Imports System.Collections
Module Program
Sub Main()
With New Hashtable
Dim x = From c In """" Distinct :
!A = !B
End With
End Sub
End Module|]";
var expected = @"Imports System.Collections
Module Program
Sub Main()
With New Hashtable
Dim x = From c In """" Distinct :
!A = !B
End With
End Sub
End Module";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/529821")]
public async Task InsideObjectInitializer()
{
var code = @"[|Imports System.Runtime.CompilerServices
Module Program
Sub Main()
Dim s = New StrongBox(Of Object) With {
.Value = Sub()
Dim y = From x In "" Distinct
: .Value.ToString()
End Sub}
End Sub
End Module|]";
var expected = @"Imports System.Runtime.CompilerServices
Module Program
Sub Main()
Dim s = New StrongBox(Of Object) With {
.Value = Sub()
Dim y = From x In "" Distinct
: .Value.ToString()
End Sub}
End Sub
End Module";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545545")]
public async Task LineContinuationBetweenXmlAndDot()
{
var code = @"[|Module Program
Sub Main()
Dim y = <?xml version=""1.0""?><root/> _
.ToString()
End Sub
End Module|]";
var expected = @"Module Program
Sub Main()
Dim y = <?xml version=""1.0""?><root/> _
.ToString()
End Sub
End Module";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545545")]
public async Task LineContinuationBetweenXmlAndDot1()
{
var code = @"[|Module Program
Sub Main()
Dim x = <x/>.. _
.<x>
End Sub
End Module|]";
var expected = @"Module Program
Sub Main()
Dim x = <x/>.. _
.<x>
End Sub
End Module";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545565")]
public async Task LineContinuationBeforeFromQueryExpression()
{
var code = @"[|Class C
Sub Main()
Call _
From x In """" Distinct.ToString()
End Sub
End Class|]";
var expected = @"Class C
Sub Main()
Call _
From x In """" Distinct.ToString()
End Sub
End Class";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545565")]
public async Task LineContinuationBeforeFromAggregateExpression()
{
var code = @"[|Class C
Sub Main()
Call _
Aggregate x In {1} Into Count().ToString()
End Sub
End Class|]";
var expected = @"Class C
Sub Main()
Call _
Aggregate x In {1} Into Count().ToString()
End Sub
End Class";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/530635")]
public async Task LineContinuationAtEndOfLambdaExpression1()
{
var code = @"[|Interface I
Property A As Action
End Interface
Class C
Implements I
Property A As Action = Sub() Return _
Implements I.A
End Class|]";
var expected = @"Interface I
Property A As Action
End Interface
Class C
Implements I
Property A As Action = Sub() Return _
Implements I.A
End Class";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/530635")]
public async Task LineContinuationAtEndOfLambdaExpression2()
{
var code = @"[|Interface I
Property A As Action
End Interface
Class C
Implements I
Property A As Action = Sub()
Return
End Sub _
Implements I.A
End Class|]";
var expected = @"Interface I
Property A As Action
End Interface
Class C
Implements I
Property A As Action = Sub()
Return
End Sub _
Implements I.A
End Class";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546798")]
public async Task LineContinuationAfterDot()
{
var code = @"[|
System.Diagnostics. _
Debug.Assert(True)|]";
var expected = @"
System.Diagnostics.
Debug.Assert(True)";
await VerifyAsync(CreateMethod(code), CreateMethod(expected));
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/530621")]
[WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/631933")]
public async Task DoNotRemoveLineContinuationAfterColonInSingleLineIfStatement()
{
var code = @"[|Module Program
Dim x = Sub() If True Then Dim y : _
Exit Sub
End Module|]";
var expected = @"Module Program
Dim x = Sub() If True Then Dim y : _
Exit Sub
End Module";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/609481")]
[WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/631933")]
public async Task DoNotRemoveLineContinuationInSingleLineIfStatement()
{
var code = @"[|
Module Program
Sub Main()
' Single Line If with explicit line continuations
If True Then _
Return _
Else _
Return
End Sub
End Module
|]";
var expected = @"
Module Program
Sub Main()
' Single Line If with explicit line continuations
If True Then _
Return _
Else _
Return
End Sub
End Module
";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/609481")]
[WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/631933")]
public async Task DoNotRemoveLineContinuationInNestedSingleLineIfStatement()
{
var code = @"[|
Module Program
Sub Main()
' Nested Single Line If with explicit line continuations
If True Then _
If True Then _
Return _
Else _
Return _
Else _
Return
If True Then _
If True Then _
Return _
Else _
Return _
Else _
If True Then _
Return _
Else Return
End Sub
End Module
|]";
var expected = @"
Module Program
Sub Main()
' Nested Single Line If with explicit line continuations
If True Then _
If True Then _
Return _
Else _
Return _
Else _
Return
If True Then _
If True Then _
Return _
Else _
Return _
Else _
If True Then _
Return _
Else Return
End Sub
End Module
";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/710")]
public async Task DoNotRemoveLineContinuationInStringInterpolation1()
{
var code = @"[|
Module Program
Dim x = $""{ _
1}""
End Module
|]";
var expected = @"
Module Program
Dim x = $""{ _
1}""
End Module
";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/710")]
public async Task DoNotRemoveLineContinuationInStringInterpolation2()
{
var code = @"[|
Module Program
Dim x = $""{1 _
}""
End Module
|]";
var expected = @"
Module Program
Dim x = $""{1 _
}""
End Module
";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/710")]
public async Task DoNotRemoveLineContinuationInStringInterpolation3()
{
var code = @"[|
Module Program
Dim x = $""{ _
1 _
}""
End Module
|]";
var expected = @"
Module Program
Dim x = $""{ _
1 _
}""
End Module
";
await VerifyAsync(code, expected);
}
[Theory]
[InlineData("_")]
[InlineData("_ ' Comment")]
[WorkItem("https://github.com/dotnet/roslyn/issues/69696")]
public async Task LineContinuationInString1(string continuation)
{
var code = $@"[|
Module Program
Dim x = ""1"" {continuation}
& ""2"" {continuation}
& ""3""
End Module
|]";
var expected = $@"
Module Program
Dim x = ""1"" {continuation}
& ""2"" {continuation}
& ""3""
End Module
";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/69696")]
public async Task LineContinuationInString2()
{
var code = $@"[|
Module Program
Dim x = ""1"" & _
""2"" & _
""3""
End Module
|]";
var expected = $@"
Module Program
Dim x = ""1"" &
""2"" &
""3""
End Module
";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/69696")]
public async Task LineContinuationInString3()
{
var code = $@"[|
Module Program
Dim x = ""1"" & ' Comment
""2"" & ' Comment
""3""
End Module
|]";
var expected = $@"
Module Program
Dim x = ""1"" & ' Comment
""2"" & ' Comment
""3""
End Module
";
await VerifyAsync(code, expected);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/1085887")]
public async Task DoNotRemoveLineContinuationInVisualBasic9()
{
var code = @"[|
Module Program
Function Add( _
i As Integer, _
j As Integer, _
) As Integer
Return i + j
End Function
End Module
|]";
var expected = @"
Module Program
Function Add( _
i As Integer, _
j As Integer, _
) As Integer
Return i + j
End Function
End Module
";
await VerifyAsync(code, expected, langVersion: LanguageVersion.VisualBasic9);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/1085887")]
public async Task RemoveLineContinuationInVisualBasic10_11_12_And_14()
{
var code = @"[|
Module Program
Function Add( _
i As Integer, _
j As Integer, _
) As Integer
Return i + j
End Function
End Module
|]";
var expected = @"
Module Program
Function Add(
i As Integer,
j As Integer,
) As Integer
Return i + j
End Function
End Module
";
await VerifyAsync(code, expected, langVersion: LanguageVersion.VisualBasic10);
await VerifyAsync(code, expected, langVersion: LanguageVersion.VisualBasic11);
await VerifyAsync(code, expected, langVersion: LanguageVersion.VisualBasic12);
await VerifyAsync(code, expected);
}
private static string CreateMethod(string body)
{
return @"Imports System
Class C
Public Sub Method()" + body + @"
End Sub
End Class";
}
private static async Task VerifyAsync(string codeWithMarker, string expectedResult, LanguageVersion langVersion = LanguageVersion.VisualBasic14)
{
MarkupTestFile.GetSpans(codeWithMarker, out var codeWithoutMarker, out var textSpans);
var document = CreateDocument(codeWithoutMarker, LanguageNames.VisualBasic, langVersion);
var codeCleanups = CodeCleaner.GetDefaultProviders(document).WhereAsArray(p => p.Name is PredefinedCodeCleanupProviderNames.RemoveUnnecessaryLineContinuation or PredefinedCodeCleanupProviderNames.Format);
var cleanDocument = await CodeCleaner.CleanupAsync(document, textSpans[0], await document.GetCodeCleanupOptionsAsync(CancellationToken.None), codeCleanups);
var actualResult = (await cleanDocument.GetRequiredSyntaxRootAsync(CancellationToken.None)).ToFullString();
AssertEx.EqualOrDiff(expectedResult, actualResult);
}
private static Document CreateDocument(string code, string language, LanguageVersion langVersion)
{
var solution = new AdhocWorkspace().CurrentSolution;
var projectId = ProjectId.CreateNewId();
var project = solution
.AddProject(projectId, "Project", "Project.dll", language)
.GetRequiredProject(projectId);
AssertEx.NotNull(project.ParseOptions);
var parseOptions = (VisualBasicParseOptions)project.ParseOptions;
parseOptions = parseOptions.WithLanguageVersion(langVersion);
project = project.WithParseOptions(parseOptions);
return project.AddDocument("Document", SourceText.From(code));
}
}
|