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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.
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.CSharp;
using Microsoft.CodeAnalysis.CSharp.ConvertToRawString;
using Microsoft.CodeAnalysis.CSharp.Shared.Extensions;
using Microsoft.CodeAnalysis.Editor.UnitTests.CodeActions;
using Microsoft.CodeAnalysis.Test.Utilities;
using Xunit;
namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.ConvertToRawString
{
using VerifyCS = CSharpCodeRefactoringVerifier<
ConvertRegularStringToRawStringCodeRefactoringProvider>;
[Trait(Traits.Feature, Traits.Features.CodeActionsConvertRegularToRawString)]
public class ConvertRegularStringToRawStringTests
{
private static async Task VerifyRefactoringAsync(string testCode, string fixedCode, int index = 0, OutputKind outputKind = OutputKind.DynamicallyLinkedLibrary)
{
await new VerifyCS.Test
{
TestCode = testCode,
FixedCode = fixedCode,
LanguageVersion = LanguageVersion.CSharp11,
CodeActionIndex = index,
TestState =
{
OutputKind = outputKind,
},
}.RunAsync();
}
[Fact]
public async Task TestNotInDirective()
{
var code = """
#line 1 [||]"goo.cs"
""";
await VerifyRefactoringAsync(code, code);
}
[Fact]
public async Task TestNotOnEmptyString()
{
var code = """
public class C
{
void M()
{
var v = [||]"";
}
}
""";
await VerifyRefactoringAsync(code, code);
}
[Fact]
public async Task TestNotOnEmptyVerbatimString()
{
var code = """
public class C
{
void M()
{
var v = [||]@"";
}
}
""";
await VerifyRefactoringAsync(code, code);
}
[Fact]
public async Task TestNotOnHighSurrogateChar()
{
var code = """
public class C
{
void M()
{
var v = [||]"\uD800";
}
}
""";
await VerifyRefactoringAsync(code, code);
}
[Fact]
public async Task TestNotOnLowSurrogateChar1()
{
var code = """
public class C
{
void M()
{
var v = [||]"\uDC00";
}
}
""";
await VerifyRefactoringAsync(code, code);
}
[Fact]
public async Task TestOnCombinedSurrogate()
{
await VerifyRefactoringAsync(
"""
public class C
{
void M()
{
var v = [||]"\uD83D\uDC69";
}
}
""",
""""
public class C
{
void M()
{
var v = """👩""";
}
}
"""");
}
[Fact]
public async Task TestNotOnNullChar()
{
var code = """
public class C
{
void M()
{
var v = [||]"\u0000";
}
}
""";
await VerifyRefactoringAsync(code, code);
}
[Fact]
public async Task TestNotOnControlCharacter()
{
var code = """
public class C
{
void M()
{
var v = [||]"\u007F";
}
}
""";
await VerifyRefactoringAsync(code, code);
}
[Fact]
public async Task TestSimpleString()
{
await VerifyRefactoringAsync("""
public class C
{
void M()
{
var v = [||]"a";
}
}
""", """"
public class C
{
void M()
{
var v = """a""";
}
}
"""");
}
[Fact]
public async Task TestVerbatimSimpleString()
{
await VerifyRefactoringAsync("""
public class C
{
void M()
{
var v = [||]@"a";
}
}
""", """"
public class C
{
void M()
{
var v = """a""";
}
}
"""");
}
[Fact]
public async Task TestSimpleStringTopLevel()
{
await VerifyRefactoringAsync("""
var v = [||]"a";
""", """"
var v = """a""";
"""", outputKind: OutputKind.ConsoleApplication);
}
[Fact]
public async Task TestStringWithQuoteInMiddle()
{
await VerifyRefactoringAsync("""
public class C
{
void M()
{
var v = [||]"goo\"bar";
}
}
""", """"
public class C
{
void M()
{
var v = """goo"bar""";
}
}
"""");
}
[Fact]
public async Task TestVerbatimStringWithQuoteInMiddle()
{
await VerifyRefactoringAsync("""
public class C
{
void M()
{
var v = [||]@"goo""bar";
}
}
""", """"
public class C
{
void M()
{
var v = """goo"bar""";
}
}
"""");
}
[Fact]
public async Task TestStringWithQuoteAtStart()
{
await VerifyRefactoringAsync("""
public class C
{
void M()
{
var v = [||]"\"goobar";
}
}
""", """"
public class C
{
void M()
{
var v = """
"goobar
""";
}
}
"""");
}
[Fact]
public async Task TestVerbatimStringWithQuoteAtStart()
{
await VerifyRefactoringAsync(""""
public class C
{
void M()
{
var v = [||]@"""goobar";
}
}
"""", """"
public class C
{
void M()
{
var v = """
"goobar
""";
}
}
"""");
}
[Fact]
public async Task TestStringWithQuoteAtEnd()
{
await VerifyRefactoringAsync("""
public class C
{
void M()
{
var v = [||]"goobar\"";
}
}
""", """"
public class C
{
void M()
{
var v = """
goobar"
""";
}
}
"""");
}
[Fact]
public async Task TestVerbatimStringWithQuoteAtEnd()
{
await VerifyRefactoringAsync(""""
public class C
{
void M()
{
var v = [||]@"goobar""";
}
}
"""", """"
public class C
{
void M()
{
var v = """
goobar"
""";
}
}
"""");
}
[Fact]
public async Task TestStringWithNewLine()
{
await VerifyRefactoringAsync("""
public class C
{
void M()
{
var v = [||]"goo\r\nbar";
}
}
""", """"
public class C
{
void M()
{
var v = """
goo
bar
""";
}
}
"""");
}
[Fact]
public async Task TestVerbatimStringWithNewLine()
{
await VerifyRefactoringAsync("""
public class C
{
void M()
{
var v = [||]@"goo
bar";
}
}
""", """"
public class C
{
void M()
{
var v = """
goo
bar
""";
}
}
"""");
}
[Fact]
public async Task TestStringWithNewLineAtStartAndEnd()
{
await VerifyRefactoringAsync("""
public class C
{
void M()
{
var v = [||]"\r\ngoobar\r\n";
}
}
""", """"
public class C
{
void M()
{
var v = """
goobar
""";
}
}
"""");
}
[Fact]
public async Task TestVerbatimStringWithNewLineAtStartAndEnd()
{
await VerifyRefactoringAsync("""
public class C
{
void M()
{
var v = [||]@"
goobar
";
}
}
""", """"
public class C
{
void M()
{
var v = """
goobar
""";
}
}
"""");
}
[Fact]
public async Task TestNoIndentVerbatimStringWithNewLineAtStartAndEnd()
{
await VerifyRefactoringAsync("""
public class C
{
void M()
{
var v = [||]@"
goobar
";
}
}
""", """"
public class C
{
void M()
{
var v = """
goobar
""";
}
}
"""", index: 1);
}
[Fact]
public async Task TestIndentedString()
{
await VerifyRefactoringAsync("""
public class C
{
void M()
{
var v = [||]"goo\r\nbar";
}
}
""", """"
public class C
{
void M()
{
var v = """
goo
bar
""";
}
}
"""");
}
[Fact]
public async Task TestWithoutLeadingWhitespace1()
{
await VerifyRefactoringAsync("""
public class C
{
void M()
{
var v = [||]@"
from x in y
where x > 0
select x";
}
}
""", """"
public class C
{
void M()
{
var v = """
from x in y
where x > 0
select x
""";
}
}
"""", index: 1);
}
[Fact]
public async Task TestIndentedStringTopLevel()
{
await VerifyRefactoringAsync("""
var v = [||]"goo\r\nbar";
""", """"
var v = """
goo
bar
""";
"""", outputKind: OutputKind.ConsoleApplication);
}
[Fact]
public async Task TestWithoutLeadingWhitespaceTopLevel()
{
await VerifyRefactoringAsync("""
var v = [||]@"
from x in y
where x > 0
select x";
""", """"
var v = """
from x in y
where x > 0
select x
""";
"""", index: 1, outputKind: OutputKind.ConsoleApplication);
}
[Fact]
public async Task TestVerbatimIndentedString()
{
await VerifyRefactoringAsync("""
public class C
{
void M()
{
var v = [||]@"goo
bar";
}
}
""", """"
public class C
{
void M()
{
var v = """
goo
bar
""";
}
}
"""");
}
[Fact]
public async Task TestIndentedStringOnOwnLine()
{
await VerifyRefactoringAsync("""
public class C
{
void M()
{
var v =
[||]"goo\r\nbar";
}
}
""", """"
public class C
{
void M()
{
var v =
"""
goo
bar
""";
}
}
"""");
}
[Fact]
public async Task TestVerbatimIndentedStringOnOwnLine()
{
await VerifyRefactoringAsync("""
public class C
{
void M()
{
var v =
[||]@"goo
bar";
}
}
""", """"
public class C
{
void M()
{
var v =
"""
goo
bar
""";
}
}
"""");
}
[Fact]
public async Task TestWithoutLeadingWhitespace2()
{
await VerifyRefactoringAsync("""
public class C
{
void M()
{
var v = [||]@"
from x in y
where x > 0
select x";
}
}
""", """"
public class C
{
void M()
{
var v = """
from x in y
where x > 0
select x
""";
}
}
"""", index: 1);
}
[Fact]
public async Task TestWithoutLeadingWhitespace3()
{
await VerifyRefactoringAsync("""
public class C
{
void M()
{
var v = [||]@"
from x in y
where x > 0
select x
";
}
}
""", """"
public class C
{
void M()
{
var v = """
from x in y
where x > 0
select x
""";
}
}
"""", index: 1);
}
[Fact]
public async Task TestWithoutLeadingWhitespace4()
{
await VerifyRefactoringAsync("""
public class C
{
void M()
{
var v = [||]@"
from x in y
where x > 0
select x
";
}
}
""", """"
public class C
{
void M()
{
var v = """
from x in y
where x > 0
select x
""";
}
}
"""", index: 1);
}
[Fact]
public async Task TestWithoutLeadingWhitespace5()
{
await VerifyRefactoringAsync("""
public class C
{
void M()
{
var v = [||]@"
from x in y
where x > 0
select x
";
}
}
""", """"
public class C
{
void M()
{
var v = """
from x in y
where x > 0
select x
""";
}
}
"""", index: 1);
}
[Fact]
public async Task TestWithoutLeadingWhitespace6()
{
await VerifyRefactoringAsync("""
public class C
{
void M()
{
var v = [||]@"
from x in y
where x > 0
select x
";
}
}
""", """"
public class C
{
void M()
{
var v = """
from x in y
where x > 0
select x
""";
}
}
"""", index: 1);
}
}
}
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