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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.
#nullable disable
using System;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.CSharp.Formatting;
using Microsoft.CodeAnalysis.Editor.UnitTests.CodeActions;
using Microsoft.CodeAnalysis.Formatting;
using Microsoft.CodeAnalysis.Test.Utilities;
using Roslyn.Test.Utilities;
using Xunit;
using static Microsoft.CodeAnalysis.CSharp.Formatting.CSharpFormattingOptions2;
namespace Microsoft.CodeAnalysis.CSharp.UnitTests.Formatting
{
using static CSharpSyntaxTokens;
[Trait(Traits.Feature, Traits.Features.Formatting)]
public class FormattingTests : CSharpFormattingTestBase
{
[Fact]
public async Task Format1()
=> await AssertFormatAsync("namespace A { }", "namespace A{}");
[Fact]
public async Task Format2()
{
var content = @"class A {
}";
var expected = @"class A
{
}";
await AssertFormatAsync(expected, content);
}
[Fact]
public async Task Format3()
{
var content = @"class A
{
int i = 20 ; }";
var expected = @"class A
{
int i = 20;
}";
await AssertFormatAsync(expected, content);
}
[Fact]
public async Task Format4()
{
var content = @"class A
{
int i = 20 ; int j = 1 + 2 ;
T . S = Test ( 10 ) ;
}";
var expected = @"class A
{
int i = 20; int j = 1 + 2;
T.S = Test( 10 );
}";
await AssertFormatAsync(expected, content);
}
[Fact]
public async Task Format5()
{
var content = @"class A
{
List < int > Method < TArg , TArg2 > ( TArg a, TArg2 b )
{
int i = 20 ; int j = 1 + 2 ;
T . S = Test ( 10 ) ;
} }";
var expected = @"class A
{
List<int> Method<TArg, TArg2>(TArg a, TArg2 b)
{
int i = 20; int j = 1 + 2;
T.S = Test(10);
}
}";
await AssertFormatAsync(expected, content);
}
[Fact]
public async Task Format6()
{
var content = @"class A
{
A a = new A {
Property1 = 1, Property2 = 3,
Property3 = { 1 , 2 , 3 } };
}";
var expected = @"class A
{
A a = new A
{
Property1 = 1,
Property2 = 3,
Property3 = { 1, 2, 3 }
};
}";
await AssertFormatAsync(expected, content);
}
[Fact]
public async Task Format7()
{
var content = @"class A
{
var a = from i in new [ ] { 1 , 2 , 3 } where i > 10 select i ;
}";
var expected = @"class A
{
var a = from i in new[] { 1, 2, 3 } where i > 10 select i;
}";
await AssertFormatAsync(expected, content);
}
[Fact]
public async Task Format8()
{
var content = @"class A
{
void Method()
{
if (true)
{
}
else if (false)
{
}
}
}";
var expected = @"class A
{
void Method()
{
if (true)
{
}
else if (false)
{
}
}
}";
await AssertFormatAsync(expected, content);
}
[Fact]
public async Task Format9()
{
var content = @"class A
{
void Method()
{
if (true) { } else if (false) { }
}
}";
var expected = @"class A
{
void Method()
{
if (true) { } else if (false) { }
}
}";
await AssertFormatAsync(expected, content);
}
[Fact]
public async Task Format10()
{
var content = @"class A
{
var a = from i in new [ ] { 1 , 2 , 3 }
where i > 10 select i ;
}";
var expected = @"class A
{
var a = from i in new[] { 1, 2, 3 }
where i > 10
select i;
}";
await AssertFormatAsync(expected, content);
}
[Fact]
public async Task ObjectInitializer()
{
await AssertFormatAsync(@"public class C
{
public C()
{
C c = new C()
{
c = new C()
{
goo = 1,
bar = 2
}
};
}
}", @"public class C
{
public C()
{
C c = new C()
{
c = new C()
{
goo = 1,
bar = 2
}
};
}
}");
}
[Fact]
public async Task AnonymousType()
{
await AssertFormatAsync(@"class C
{
C()
{
var anonType = new
{
p3 = new
{
p1 = 3,
p2 = null
},
p4 = true
};
}
}", @"class C
{
C()
{
var anonType = new
{
p3= new
{
p1 = 3,
p2 = null
},
p4 = true
};
}
}");
}
[Fact]
public async Task MultilineLambda()
{
await AssertFormatAsync(@"class C
{
C()
{
System.Func<int, int> ret = x =>
{
System.Func<int, int> ret2 = y =>
{
y++;
return y;
};
return x + 1;
};
}
}", @"class C
{
C()
{
System.Func<int, int> ret = x =>
{
System.Func<int, int> ret2 = y =>
{
y++;
return y;
};
return x + 1;
};
}
}");
}
[Fact]
public async Task AnonymousMethod()
{
await AssertFormatAsync(@"class C
{
C()
{
timer.Tick += delegate (object sender, EventArgs e)
{
MessageBox.Show(this, ""Timer ticked"");
};
}
}", @"class C
{
C()
{
timer.Tick += delegate(object sender, EventArgs e)
{
MessageBox.Show(this, ""Timer ticked"");
};
}
}");
}
[Fact]
public async Task Scen1()
{
await AssertFormatAsync(@"namespace Namespace1
{
class Program
{
static int i = 1 + 2;
static void Main(string[] args)
{
Program p = new Program();
if (i < 5)
i = 0;
for (i = 0; i < 3; i++)
Console.WriteLine(i);
while (i < 4)
i++;
do
{
} while (i < 4);
Method(i, ""hello"", true);
}
static void Method(int i, string s, bool b)
{
}
}
}", @"namespace Namespace1
{
class Program
{
static int i=1+2;
static void Main(string[] args)
{
Program p=new Program();
if (i<5)
i=0;
for (i=0;i<3;i++)
Console.WriteLine(i);
while (i<4)
i++;
do{
}while(i<4);
Method(i,""hello"",true);
}
static void Method(int i, string s, bool b)
{
}
}
}");
}
[Fact]
public async Task Scen2()
{
await AssertFormatAsync(@"namespace MyNamespace
{
class Class1
{
}
enum E
{
}
namespace NestedNamespace
{
}
}
namespace Namespace1
{
class Class1<T>
{
int i;
class NestedClass
{
}
T t;
T Method<RR>(RR r) where RR : Class1<T>
{
return default(T);
}
}
struct S
{
string field1;
bool field2;
public void Method()
{
}
}
enum E
{
Enum1 = 10,
Enum2,
Enum3
}
class Program
{
static int i = 10;
class NestedClass
{
int field;
class NestedClass2
{
int field;
class NestedClass3
{
enum E
{
}
}
int Prop
{
get { return field; }
set { field = value; }
}
public void Method()
{
}
}
}
struct S
{
string field1;
bool field2;
public void Method()
{
}
}
enum E
{
Enum1 = 10,
Enum2,
Enum3
}
public int Prop
{
get { return i; }
set { i = value; }
}
static void Main()
{
{
Program p = new Program();
NestedClass n = new NestedClass();
}
if (i < 10)
{
Console.WriteLine(i);
}
switch (i)
{
case 1:
break;
case 2:
break;
default:
break;
}
for (i = 0; i < 10; i++)
{
i++;
}
while (i < 10)
{
i++;
}
try
{
Console.WriteLine();
}
catch
{
Console.WriteLine();
}
finally
{
Console.WriteLine();
}
}
public void Method<T, R>(T t)
{
Console.WriteLine(t.ToString());
}
}
}", @"namespace MyNamespace
{
class Class1
{
}
enum E
{
}
namespace NestedNamespace
{
}
}
namespace Namespace1
{
class Class1<T>
{
int i;
class NestedClass
{
}
T t;
T Method<RR>(RR r) where RR : Class1<T>
{
return default(T);
}
}
struct S
{
string field1;
bool field2;
public void Method()
{
}
}
enum E
{
Enum1=10,
Enum2,
Enum3
}
class Program
{
static int i = 10;
class NestedClass
{
int field;
class NestedClass2
{
int field;
class NestedClass3
{
enum E
{
}
}
int Prop
{
get {return field;}
set {field=value;}
}
public void Method()
{
}
}
}
struct S
{
string field1;
bool field2;
public void Method()
{
}
}
enum E
{
Enum1 = 10,
Enum2,
Enum3
}
public int Prop
{
get {return i;}
set {i=value;}
}
static void Main()
{
{
Program p=new Program();
NestedClass n=new NestedClass();
}
if (i<10)
{
Console.WriteLine(i);
}
switch (i)
{
case 1:
break;
case 2:
break;
default:
break;
}
for (i=0;i<10;i++)
{
i++;
}
while (i<10)
{
i++;
}
try
{
Console.WriteLine();
}
catch
{
Console.WriteLine();
}
finally
{
Console.WriteLine();
}
}
public void Method<T,R>(T t)
{
Console.WriteLine(t.ToString());
}
}
}");
}
[Fact]
public async Task Scen3()
{
await AssertFormatAsync(@"namespace Namespace1
{
class Program
{
static void Main()
{
Program p = new Program();
}
}
}", @"namespace Namespace1
{
class Program
{
static void Main()
{
Program p=new Program();
}
}
}");
}
[Fact]
public async Task Scen4()
{
await AssertFormatAsync(@"class Class1
{
// public void goo()
// {
// // TODO: Add the implementation for Class1.goo() here.
//
// }
}", @"class Class1
{
// public void goo()
// {
// // TODO: Add the implementation for Class1.goo() here.
//
// }
}");
}
[Fact]
public async Task Scen5()
{
await AssertFormatAsync(@"class Class1
{
public void Method()
{
{
int i = 0;
System.Console.WriteLine();
}
}
}", @"class Class1
{
public void Method()
{
{
int i = 0;
System.Console.WriteLine();
}
}
}");
}
[Fact]
public async Task Scen6()
{
await AssertFormatAsync(@"namespace Namespace1
{
class OuterClass
{
class InnerClass
{
}
}
}", @"namespace Namespace1
{
class OuterClass
{
class InnerClass
{
}
}
}");
}
[Fact]
public async Task Scen7()
{
await AssertFormatAsync(@"class Class1
{
public void Method()
{
int i = 0;
switch (i)
{
case 0:
break;
}
if (i > 0) goto z;
i = -i;
z:
i = 2 * i;
}
}", @"class Class1
{
public void Method()
{
int i = 0;
switch (i)
{
case 0:
break;
}
if (i > 0) goto z;
i = -i;
z:
i = 2 * i;
}
}");
}
[Fact]
public async Task Scen8()
{
await AssertFormatAsync(@"class Class1
{
public void Method()
{
int i = 10;
}
}", @"class Class1
{
public void Method()
{
int i = 10;
}
}");
}
[Fact]
public async Task IndentStatementsInMethod()
{
await AssertFormatAsync(@"class C
{
void Goo()
{
int x = 0;
int y = 0;
int z = 0;
}
}", @"class C
{
void Goo()
{
int x = 0;
int y = 0;
int z = 0;
}
}");
}
[Fact]
public async Task IndentFieldsInClass()
{
await AssertFormatAsync(@"class C
{
int a = 10;
int b;
int c;
}", @"class C
{
int a = 10;
int b;
int c;
}");
}
[Fact]
public async Task IndentUserDefaultSettingTest()
{
await AssertFormatAsync(@"class Class2
{
public void nothing()
{
nothing_again(() =>
{
Console.WriteLine(""Nothing"");
});
label1:
int f = 5;
label2:
switch (f)
{
case 1:
{
break;
}
case 2:
int d = f + f;
label3:
d = d - f;
break;
default:
{
int g = f * f;
g = g - f;
break;
}
}
return;
}
public void nothing_again(Action a)
{
l:
goto l;
}
}", @"class Class2
{
public void nothing()
{
nothing_again(() =>
{
Console.WriteLine(""Nothing"");
});
label1:
int f = 5;
label2:
switch (f)
{
case 1:
{
break;
}
case 2:
int d = f + f;
label3:
d = d - f;
break;
default:
{
int g = f * f;
g = g - f;
break;
}
}
return;
}
public void nothing_again(Action a)
{
l:
goto l;
}
}");
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/766133")]
public async Task RelativeIndentationToFirstTokenInBaseTokenWithObjectInitializers()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ NewLineBeforeOpenBrace, NewLineBeforeOpenBrace.DefaultValue.WithFlagValue(NewLineBeforeOpenBracePlacement.ObjectCollectionArrayInitializers, false) },
};
await AssertFormatAsync(@"class Program
{
static void Main(string[] args)
{
var summa = new D {
A = 0,
B = 4
};
}
}
class D
{
public int A { get; set; }
public int B { get; set; }
}", @"class Program
{
static void Main(string[] args)
{
var summa = new D
{
A = 0,
B = 4
};
}
}
class D
{
public int A { get; set; }
public int B { get; set; }
}", changingOptions);
}
[Fact]
public async Task RemoveSpacingAroundBinaryOperatorsShouldMakeAtLeastOneSpaceForIsAndAsKeywords()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.SpacingAroundBinaryOperator, BinaryOperatorSpacingOptions.Remove }
};
await AssertFormatAsync(@"class Class2
{
public void nothing()
{
var a = 1*2+3-4/5;
a+=1;
object o = null;
string s = o as string;
bool b = o is string;
}
}", @"class Class2
{
public void nothing()
{
var a = 1 * 2 + 3 - 4 / 5;
a += 1;
object o = null;
string s = o as string;
bool b = o is string;
}
}", changingOptions);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/772298")]
public async Task IndentUserSettingNonDefaultTest_OpenBracesOfLambdaWithNoNewLine()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ IndentBraces, true },
{ IndentBlock, false },
{ IndentSwitchSection, false },
{ IndentSwitchCaseSection, false },
{ NewLineBeforeOpenBrace, NewLineBeforeOpenBrace.DefaultValue.WithFlagValue(NewLineBeforeOpenBracePlacement.LambdaExpressionBody, false) },
{ LabelPositioning, LabelPositionOptions.LeftMost }
};
await AssertFormatAsync(@"class Class2
{
public void nothing()
{
nothing_again(() => {
Console.WriteLine(""Nothing"");
});
}
}", @"class Class2
{
public void nothing()
{
nothing_again(() =>
{
Console.WriteLine(""Nothing"");
});
}
}", changedOptionSet: changingOptions);
}
[Fact]
public async Task IndentUserSettingNonDefaultTest()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ IndentBraces, true },
{ IndentBlock, false },
{ IndentSwitchSection, false },
{ IndentSwitchCaseSection, false },
{ IndentSwitchCaseSectionWhenBlock, false },
{ LabelPositioning, LabelPositionOptions.LeftMost }
};
await AssertFormatAsync(@"class Class2
{
public void nothing()
{
nothing_again(() =>
{
Console.WriteLine(""Nothing"");
});
label1:
int f = 5;
label2:
switch (f)
{
case 1:
{
break;
}
case 2:
int d = f + f;
label3:
d = d - f;
break;
default:
{
int g = f * f;
g = g - f;
break;
}
}
return;
}
public void nothing_again(Action a)
{
l:
goto l;
}
}", @"class Class2
{
public void nothing()
{
nothing_again(() =>
{
Console.WriteLine(""Nothing"");
});
label1:
int f = 5;
label2:
switch (f)
{
case 1:
{
break;
}
case 2:
int d = f + f;
label3:
d = d - f;
break;
default:
{
int g = f * f;
g = g - f;
break;
}
}
return;
}
public void nothing_again(Action a)
{
l:
goto l;
}
}", changedOptionSet: changingOptions);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/20009")]
public async Task IndentSwitch_IndentCase_IndentWhenBlock()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ IndentSwitchSection, true },
{ IndentSwitchCaseSection, true },
{ IndentSwitchCaseSectionWhenBlock, true },
};
await AssertFormatAsync(
@"class Class2
{
void M()
{
switch (i)
{
case 0:
{
}
case 1:
break;
}
}
}",
@"class Class2
{
void M()
{
switch (i) {
case 0: {
}
case 1:
break;
}
}
}", changedOptionSet: changingOptions);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/20009")]
public async Task IndentSwitch_IndentCase_NoIndentWhenBlock()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ IndentSwitchSection, true },
{ IndentSwitchCaseSection, true },
{ IndentSwitchCaseSectionWhenBlock, false },
};
await AssertFormatAsync(
@"class Class2
{
void M()
{
switch (i)
{
case 0:
{
}
case 1:
break;
}
}
}",
@"class Class2
{
void M()
{
switch (i) {
case 0: {
}
case 1:
break;
}
}
}", changedOptionSet: changingOptions);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/20009")]
public async Task IndentSwitch_NoIndentCase_IndentWhenBlock()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ IndentSwitchSection, true },
{ IndentSwitchCaseSection, false },
{ IndentSwitchCaseSectionWhenBlock, true },
};
await AssertFormatAsync(
@"class Class2
{
void M()
{
switch (i)
{
case 0:
{
}
case 1:
break;
}
}
}",
@"class Class2
{
void M()
{
switch (i) {
case 0: {
}
case 1:
break;
}
}
}", changedOptionSet: changingOptions);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/20009")]
public async Task IndentSwitch_NoIndentCase_NoIndentWhenBlock()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ IndentSwitchSection, true },
{ IndentSwitchCaseSection, false },
{ IndentSwitchCaseSectionWhenBlock, false },
};
await AssertFormatAsync(
@"class Class2
{
void M()
{
switch (i)
{
case 0:
{
}
case 1:
break;
}
}
}",
@"class Class2
{
void M()
{
switch (i) {
case 0: {
}
case 1:
break;
}
}
}", changedOptionSet: changingOptions);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/20009")]
public async Task NoIndentSwitch_IndentCase_IndentWhenBlock()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ IndentSwitchSection, false },
{ IndentSwitchCaseSection, true },
{ IndentSwitchCaseSectionWhenBlock, true },
};
await AssertFormatAsync(
@"class Class2
{
void M()
{
switch (i)
{
case 0:
{
}
case 1:
break;
}
}
}",
@"class Class2
{
void M()
{
switch (i) {
case 0: {
}
case 1:
break;
}
}
}", changedOptionSet: changingOptions);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/20009")]
public async Task NoIndentSwitch_IndentCase_NoIndentWhenBlock()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ IndentSwitchSection, false },
{ IndentSwitchCaseSection, true },
{ IndentSwitchCaseSectionWhenBlock, false },
};
await AssertFormatAsync(
@"class Class2
{
void M()
{
switch (i)
{
case 0:
{
}
case 1:
break;
}
}
}",
@"class Class2
{
void M()
{
switch (i) {
case 0: {
}
case 1:
break;
}
}
}", changedOptionSet: changingOptions);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/20009")]
public async Task NoIndentSwitch_NoIndentCase_IndentWhenBlock()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ IndentSwitchSection, false },
{ IndentSwitchCaseSection, false },
{ IndentSwitchCaseSectionWhenBlock, true },
};
await AssertFormatAsync(
@"class Class2
{
void M()
{
switch (i)
{
case 0:
{
}
case 1:
break;
}
}
}",
@"class Class2
{
void M()
{
switch (i) {
case 0: {
}
case 1:
break;
}
}
}", changedOptionSet: changingOptions);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/20009")]
public async Task NoIndentSwitch_NoIndentCase_NoIndentWhenBlock()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ IndentSwitchSection, false },
{ IndentSwitchCaseSection, false },
{ IndentSwitchCaseSectionWhenBlock, false },
};
await AssertFormatAsync(
@"class Class2
{
void M()
{
switch (i)
{
case 0:
{
}
case 1:
break;
}
}
}",
@"class Class2
{
void M()
{
switch (i) {
case 0: {
}
case 1:
break;
}
}
}", changedOptionSet: changingOptions);
}
[Fact]
public async Task TestWrappingDefault()
{
await AssertFormatAsync(@"class Class5
{
delegate void Del(int x);
public int Age { get { int age = 0; return age; } }
public int Age2
{
get { int age2 = 0; return age2; }
set { int age2 = value; }
}
void bar()
{
int x = 0;
if (x == 1) x = 2; else x = 3;
do { x = 4; } while (x != 4);
switch (x) { case 1: break; case 2: break; default: break; }
Del d = delegate (int k) { Console.WriteLine(); Console.WriteLine(); };
}
}", @"class Class5
{
delegate void Del(int x);
public int Age { get { int age = 0; return age; } }
public int Age2
{
get { int age2 = 0; return age2; }
set { int age2 = value; }
}
void bar()
{
int x = 0;
if(x == 1) x = 2; else x =3;
do { x = 4; } while (x != 4);
switch (x) { case 1: break; case 2: break; default: break; }
Del d = delegate(int k) { Console.WriteLine(); Console.WriteLine(); };
}
}");
}
[Fact]
public async Task TestWrappingNonDefault_FormatBlock()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.WrappingPreserveSingleLine, false }
};
await AssertFormatAsync(@"class Class5
{
delegate void Del(int x);
public int Age
{
get
{
int age = 0; return age;
}
}
public int Age2
{
get
{
int age2 = 0; return age2;
}
set
{
int age2 = value;
}
}
void bar()
{
int x = 0;
if (x == 1) x = 2; else x = 3;
do { x = 4; } while (x != 4);
switch (x)
{
case 1: break;
case 2: break;
default: break;
}
Del d = delegate (int k) { Console.WriteLine(); Console.WriteLine(); };
}
void goo()
{
int xx = 0; int zz = 0;
}
}
class goo
{
int x = 0;
}", @"class Class5
{
delegate void Del(int x);
public int Age { get { int age = 0; return age; } }
public int Age2
{
get { int age2 = 0; return age2; }
set { int age2 = value; }
}
void bar()
{
int x = 0;
if(x == 1) x = 2; else x =3;
do { x = 4; } while (x != 4);
switch (x) { case 1: break; case 2: break; default: break; }
Del d = delegate(int k) { Console.WriteLine(); Console.WriteLine(); };
}
void goo() { int xx = 0; int zz = 0;}
}
class goo{int x = 0;}", changingOptions);
}
[Fact]
public async Task TestWrappingNonDefault_FormatStatmtMethDecl()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.WrappingKeepStatementsOnSingleLine, false }
};
await AssertFormatAsync(@"class Class5
{
delegate void Del(int x);
public int Age { get { int age = 0; return age; } }
public int Age2
{
get { int age2 = 0; return age2; }
set { int age2 = value; }
}
void bar()
{
int x = 0;
if (x == 1)
x = 2;
else
x = 3;
do
{ x = 4; } while (x != 4);
switch (x)
{
case 1:
break;
case 2:
break;
default:
break;
}
Del d = delegate (int k)
{ Console.WriteLine(); Console.WriteLine(); };
}
void goo() { int y = 0; int z = 0; }
}
class goo
{
int x = 0;
}", @"class Class5
{
delegate void Del(int x);
public int Age { get { int age = 0; return age; } }
public int Age2
{
get { int age2 = 0; return age2; }
set { int age2 = value; }
}
void bar()
{
int x = 0;
if(x == 1) x = 2; else x =3;
do { x = 4; } while (x != 4);
switch (x) { case 1: break; case 2: break; default: break; }
Del d = delegate(int k) { Console.WriteLine(); Console.WriteLine(); };
}
void goo(){int y=0; int z =0 ;}
}
class goo
{
int x = 0;
}", changingOptions);
}
[Fact]
public async Task TestWrappingNonDefault()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.WrappingPreserveSingleLine, false },
{ CSharpFormattingOptions2.WrappingKeepStatementsOnSingleLine, false }
};
await AssertFormatAsync(@"class Class5
{
delegate void Del(int x);
public int Age
{
get
{
int age = 0;
return age;
}
}
public int Age2
{
get
{
int age2 = 0;
return age2;
}
set
{
int age2 = value;
}
}
void bar()
{
int x = 0;
if (x == 1)
x = 2;
else
x = 3;
do
{
x = 4;
} while (x != 4);
switch (x)
{
case 1:
break;
case 2:
break;
default:
break;
}
Del d = delegate (int k)
{
Console.WriteLine();
Console.WriteLine();
};
}
}
class goo
{
int x = 0;
}", @"class Class5
{
delegate void Del(int x);
public int Age { get { int age = 0; return age; } }
public int Age2
{
get { int age2 = 0; return age2; }
set { int age2 = value; }
}
void bar()
{
int x = 0;
if(x == 1) x = 2; else x =3;
do { x = 4; } while (x != 4);
switch (x) { case 1: break; case 2: break; default: break; }
Del d = delegate(int k) { Console.WriteLine(); Console.WriteLine(); };
}
}
class goo{int x = 0;}", changingOptions);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/991480")]
public async Task TestLeaveStatementMethodDeclarationSameLineNotAffectingForStatement()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.WrappingKeepStatementsOnSingleLine, false }
};
await AssertFormatAsync(@"class Program
{
static void Main(string[] args)
{
for (int d = 0; d < 10; ++d)
{ }
}
}", @"class Program
{
static void Main(string[] args)
{
for (int d = 0; d < 10; ++d) { }
}
}", changingOptions);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/751789")]
public async Task NewLineForOpenBracesDefault()
{
await AssertFormatAsync(@"class f00
{
void br()
{
Func<int, int> ret = x =>
{
return x + 1;
};
var obj = new
{
// ...
};
if (true)
{
System.Console.WriteLine("""");
}
else
{
}
timer.Tick += delegate (object sender, EventArgs e)
{
MessageBox.Show(this, ""Timer ticked"");
};
var obj1 = new goo
{
};
async void LocalFunction()
{
}
try
{
}
catch (Exception e)
{
}
finally
{ }
using (someVar)
{
}
switch (switchVar)
{
default:
break;
}
}
}
namespace NS1
{
public class goo : System.Object
{
public int f { get; set; }
}
}", @"class f00
{
void br() {
Func<int, int> ret = x =>
{
return x + 1;
};
var obj = new
{
// ...
};
if(true)
{
System.Console.WriteLine("""");
}
else
{
}
timer.Tick += delegate (object sender, EventArgs e)
{
MessageBox.Show(this, ""Timer ticked"");
};
var obj1 = new goo
{
};
async void LocalFunction() {
}
try
{
}
catch (Exception e)
{
}
finally
{}
using (someVar)
{
}
switch (switchVar)
{
default:
break;
}
}
}
namespace NS1 {
public class goo : System.Object
{
public int f { get; set; }
}
}");
}
[Fact, WorkItem("https://developercommunity.visualstudio.com/content/problem/8808/c-structure-guide-lines-for-unsafe-fixed.html")]
[WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/751789")]
public async Task NewLineForOpenBracesNonDefault()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ NewLineBeforeOpenBrace, NewLineBeforeOpenBracePlacement.None }
};
await AssertFormatAsync(@"class f00 {
void br() {
Func<int, int> ret = x => {
return x + 1;
};
var obj = new {
// ...
};
if (true) {
System.Console.WriteLine("""");
}
else {
}
timer.Tick += delegate (object sender, EventArgs e) {
MessageBox.Show(this, ""Timer ticked"");
};
var obj1 = new goo {
};
async void LocalFunction() {
}
try {
}
catch (Exception e) {
}
finally { }
using (someVar) {
}
switch (switchVar) {
default:
break;
}
unsafe {
}
fixed (int* p = &i) {
}
}
}
namespace NS1 {
public class goo : System.Object {
}
}", @"class f00
{
void br() {
Func<int, int> ret = x =>
{
return x + 1;
};
var obj = new
{
// ...
};
if(true)
{
System.Console.WriteLine("""");
}
else
{
}
timer.Tick += delegate (object sender, EventArgs e)
{
MessageBox.Show(this, ""Timer ticked"");
};
var obj1 = new goo
{
};
async void LocalFunction()
{
}
try
{
}
catch (Exception e)
{
}
finally
{}
using (someVar)
{
}
switch (switchVar)
{
default:
break;
}
unsafe
{
}
fixed (int* p = &i)
{
}
}
}
namespace NS1 {
public class goo : System.Object
{
}
}", changingOptions);
}
[Fact]
public async Task NewLineForKeywordDefault()
{
await AssertFormatAsync(@"class c
{
void f00()
{
try
{
// ...
}
catch (Exception e)
{
// ...
}
finally
{
// ...
}
if (a > b)
{
return 3;
}
else
{
return 0;
}
}
}",
@"class c
{
void f00(){
try
{
// ...
} catch (Exception e)
{
// ...
} finally
{
// ...
}
if (a > b)
{
return 3;
} else
{
return 0;
}
}
}");
}
[Fact]
public async Task NewLineForKeywordNonDefault()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.NewLineForElse, false },
{ CSharpFormattingOptions2.NewLineForCatch, false },
{ CSharpFormattingOptions2.NewLineForFinally, false }
};
await AssertFormatAsync(@"class c
{
void f00()
{
try
{
// ...
} catch (Exception e)
{
// ...
} finally
{
// ...
}
if (a > b)
{
return 3;
} else
{
return 0;
}
}
}", @"class c
{
void f00(){
try
{
// ...
}
catch (Exception e)
{
// ...
}
finally
{
// ...
}
if (a > b)
{
return 3;
}
else
{
return 0;
}
}
}", changingOptions);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/33458")]
public async Task NoNewLineForElseChecksBraceOwner()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ NewLineForElse, false },
{ NewLineBeforeOpenBrace, NewLineBeforeOpenBrace.DefaultValue.WithFlagValue(NewLineBeforeOpenBracePlacement.ControlBlocks, false) }
};
await AssertFormatAsync(@"class Class
{
void Method()
{
if (true)
for (int i = 0; i < 10; i++) {
Method();
}
else
return;
}
}", @"class Class
{
void Method()
{
if (true)
for (int i = 0; i < 10; i++) {
Method();
} else
return;
}
}", changedOptionSet: changingOptions);
}
[Fact]
public async Task NewLineForExpressionDefault()
{
await AssertFormatAsync(@"class f00
{
void br()
{
var queryLowNums = from num in numbers
where num < 5
select num;
var queryLowNums =
from num in numbers
where num < 5
select num;
var q = from c in cust
from o in c.Orders
orderby o.Total descending
select new { c.Name, c.OrderID };
var obj = new
{
X1 = 0,
Y1 = 1,
X2 = 2,
Y2 = 3
};
var obj1 = new { X1 = 0, Y1 = 1, X2 = 2, Y2 = 3 };
MyObject obj = new MyObject
{
X1 = 0,
Y1 = 1,
X2 = 2,
Y2 = 3
};
MyObject obj = new MyObject { X1 = 0, Y1 = 1, X2 = 2, Y2 = 3 };
}
}", @"class f00
{
void br()
{
var queryLowNums = from num in numbers where num < 5
select num;
var queryLowNums =
from num in numbers where num < 5
select num;
var q = from c in cust
from o in c.Orders orderby o.Total descending
select new { c.Name, c.OrderID };
var obj = new { X1 = 0, Y1 = 1,
X2 = 2,
Y2 = 3
};
var obj1 = new { X1 = 0, Y1 = 1, X2 = 2, Y2 = 3 };
MyObject obj = new MyObject { X1 = 0, Y1 = 1,
X2 = 2,
Y2 = 3
};
MyObject obj = new MyObject { X1 = 0, Y1 = 1, X2 = 2, Y2 = 3 };
}
}");
}
[Fact]
public async Task NewLineForExpressionNonDefault()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.NewLineForMembersInObjectInit, false },
{ CSharpFormattingOptions2.NewLineForMembersInAnonymousTypes, false },
{ CSharpFormattingOptions2.NewLineForClausesInQuery, false }
};
await AssertFormatAsync(@"class f00
{
void br()
{
var queryLowNums = from num in numbers where num < 5
select num;
var queryLowNums =
from num in numbers where num < 5
select num;
var q = from c in cust
from o in c.Orders orderby o.Total descending
select new { c.Name, c.OrderID };
var obj = new
{
X1 = 0, Y1 = 1,
X2 = 2,
Y2 = 3
};
MyObject obj = new MyObject
{
X1 = 0, Y1 = 1,
X2 = 2,
Y2 = 3
};
}
}", @"class f00
{
void br()
{
var queryLowNums = from num in numbers where num < 5
select num;
var queryLowNums =
from num in numbers where num < 5
select num;
var q = from c in cust
from o in c.Orders orderby o.Total descending
select new { c.Name, c.OrderID };
var obj = new { X1 = 0, Y1 = 1,
X2 = 2,
Y2 = 3
};
MyObject obj = new MyObject { X1 = 0, Y1 = 1,
X2 = 2,
Y2 = 3
};
}
}", changingOptions);
}
[Fact]
public async Task Enums_Bug2586()
{
await AssertFormatAsync(@"enum E
{
a = 10,
b,
c
}", @"enum E
{
a = 10,
b,
c
}");
}
[Fact]
public async Task DoNotInsertLineBreaksInSingleLineEnum()
=> await AssertFormatAsync(@"enum E { a = 10, b, c }", @"enum E { a = 10, b, c }");
[Fact]
public async Task AlreadyFormattedSwitchIsNotFormatted_Bug2588()
{
await AssertFormatAsync(@"class C
{
void M()
{
switch (3)
{
case 0:
break;
}
}
}", @"class C
{
void M()
{
switch (3)
{
case 0:
break;
}
}
}");
}
[Fact]
public async Task BreaksAreAlignedInSwitchCasesFormatted_Bug2587()
{
await AssertFormatAsync(@"class C
{
void M()
{
switch (3)
{
case 0:
break;
}
}
}", @"class C
{
void M()
{
switch (3)
{
case 0:
break;
}
}
}");
}
[Fact]
public async Task BreaksAndBracesAreAlignedInSwitchCasesWithBracesFormatted_Bug2587()
{
await AssertFormatAsync(@"class C
{
void M()
{
switch (3)
{
case 0:
{
break;
}
}
}
}", @"class C
{
void M()
{
switch (3)
{
case 0:
{
break;
}
}
}
}");
}
[Fact]
public async Task LineBreaksAreNotInsertedForSwitchCasesOnASingleLine1()
{
await AssertFormatAsync(@"class C
{
void M()
{
switch (3)
{
case 0: break;
default: break;
}
}
}", @"class C
{
void M()
{
switch (3)
{
case 0: break;
default: break;
}
}
}");
}
[Fact]
public async Task LineBreaksAreNotInsertedForSwitchCasesOnASingleLine2()
{
await AssertFormatAsync(@"class C
{
void M()
{
switch (3)
{
case 0: { break; }
default: { break; }
}
}
}", @"class C
{
void M()
{
switch (3)
{
case 0: { break; }
default: { break; }
}
}
}");
}
[Fact]
public async Task FormatLabelAndGoto1_Bug2588()
{
await AssertFormatAsync(@"class C
{
void M()
{
Goo:
goto Goo;
}
}", @"class C
{
void M()
{
Goo:
goto Goo;
}
}");
}
[Fact]
public async Task FormatLabelAndGoto2_Bug2588()
{
await AssertFormatAsync(@"class C
{
void M()
{
int x = 0;
Goo:
goto Goo;
}
}", @"class C
{
void M()
{
int x = 0;
Goo:
goto Goo;
}
}");
}
[Fact]
public async Task FormatNestedLabelAndGoto1_Bug2588()
{
await AssertFormatAsync(@"class C
{
void M()
{
if (true)
{
Goo:
goto Goo;
}
}
}", @"class C
{
void M()
{
if (true)
{
Goo:
goto Goo;
}
}
}");
}
[Fact]
public async Task FormatNestedLabelAndGoto2_Bug2588()
{
await AssertFormatAsync(@"class C
{
void M()
{
if (true)
{
int x = 0;
Goo:
goto Goo;
}
}
}", @"class C
{
void M()
{
if (true)
{
int x = 0;
Goo:
goto Goo;
}
}
}");
}
[Fact]
public async Task AlreadyFormattedGotoLabelIsNotFormatted1_Bug2588()
{
await AssertFormatAsync(@"class C
{
void M()
{
Goo:
goto Goo;
}
}", @"class C
{
void M()
{
Goo:
goto Goo;
}
}");
}
[Fact]
public async Task AlreadyFormattedGotoLabelIsNotFormatted2_Bug2588()
{
await AssertFormatAsync(@"class C
{
void M()
{
Goo: goto Goo;
}
}", @"class C
{
void M()
{
Goo: goto Goo;
}
}");
}
[Fact]
public async Task AlreadyFormattedGotoLabelIsNotFormatted3_Bug2588()
{
await AssertFormatAsync(@"class C
{
void M()
{
int x = 0;
Goo:
goto Goo;
}
}", @"class C
{
void M()
{
int x = 0;
Goo:
goto Goo;
}
}");
}
[Fact]
public async Task DoNotAddLineBreakBeforeWhere1_Bug2582()
{
await AssertFormatAsync(@"class C
{
void M<T>() where T : I
{
}
}", @"class C
{
void M<T>() where T : I
{
}
}");
}
[Fact]
public async Task DoNotAddLineBreakBeforeWhere2_Bug2582()
{
await AssertFormatAsync(@"class C<T> where T : I
{
}", @"class C<T> where T : I
{
}");
}
[Fact]
public async Task DoNotAddSpaceAfterUnaryMinus()
{
await AssertFormatAsync(@"class C
{
void M()
{
int x = -1;
}
}", @"class C
{
void M()
{
int x = -1;
}
}");
}
[Fact]
public async Task DoNotAddSpaceAfterUnaryPlus()
{
await AssertFormatAsync(@"class C
{
void M()
{
int x = +1;
}
}", @"class C
{
void M()
{
int x = +1;
}
}");
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545909")]
public async Task DoNotAddSpaceAfterIncrement()
{
var code = @"class C
{
void M(int[] i)
{
++i[0];
}
}";
await AssertFormatAsync(code, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545909")]
public async Task DoNotAddSpaceBeforeIncrement()
{
var code = @"class C
{
void M(int[] i)
{
i[0]++;
}
}";
await AssertFormatAsync(code, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545909")]
public async Task DoNotAddSpaceAfterDecrement()
{
var code = @"class C
{
void M(int[] i)
{
--i[0];
}
}";
await AssertFormatAsync(code, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545909")]
public async Task DoNotAddSpaceBeforeDecrement()
{
var code = @"class C
{
void M(int[] i)
{
i[0]--;
}
}";
await AssertFormatAsync(code, code);
}
[Fact]
public async Task Anchoring()
{
await AssertFormatAsync(@"class C
{
void M()
{
Console.WriteLine(""Goo"",
0, 1,
2);
}
}", @"class C
{
void M()
{
Console.WriteLine(""Goo"",
0, 1,
2);
}
}");
}
[Fact]
public async Task Exclamation()
{
await AssertFormatAsync(@"class C
{
void M()
{
if (!true) ;
}
}", @"class C
{
void M()
{
if ( ! true ) ;
}
}");
}
[Fact]
public async Task StartAndEndTrivia()
{
await AssertFormatAsync(@"
class C { }
", @"
class C { }
");
}
[Fact]
public async Task FirstTriviaAndAnchoring1()
{
await AssertFormatAsync(@"
namespace N
{
class C
{
void Method()
{
int i =
1
+
3;
}
}
}
", @"
namespace N {
class C {
void Method() {
int i =
1
+
3;
}
}
}
");
}
[Fact]
public async Task FirstTriviaAndAnchoring2()
{
await AssertFormatAsync(@"
namespace N
{
class C
{
int i =
1
+
3;
}
}
", @"
namespace N {
class C {
int i =
1
+
3;
}
}
");
}
[Fact]
public async Task FirstTriviaAndAnchoring3()
{
await AssertFormatAsync(@"
class C
{
int i =
1
+
3;
}
", @"
class C {
int i =
1
+
3;
}
");
}
[Fact]
public async Task Base1()
{
await AssertFormatAsync(@"class C
{
C() : base()
{
}
}", @" class C
{
C ( ) : base ( )
{
}
} ");
}
[Fact]
public async Task This1()
{
await AssertFormatAsync(@"class C
{
C(int i) : this()
{
}
C() { }
}", @" class C
{
C ( int i ) : this ( )
{
}
C ( ) { }
} ");
}
[Fact]
public async Task QueryExpression1()
{
await AssertFormatAsync(@"class C
{
int Method()
{
var q =
from c in from b in cs select b select c;
}
}", @" class C
{
int Method()
{
var q =
from c in from b in cs select b select c;
}
} ");
}
[Fact]
public async Task QueryExpression2()
{
await AssertFormatAsync(@"class C
{
int Method()
{
var q = from c in
from b in cs
select b
select c;
}
}", @" class C
{
int Method()
{
var q = from c in
from b in cs
select b
select c;
}
} ");
}
[Fact]
public async Task QueryExpression3()
{
await AssertFormatAsync(@"class C
{
int Method()
{
var q = from c in Get(1 +
2 +
3)
from b in Get(1 +
2 +
3)
select new { b, c };
}
}", @"class C
{
int Method()
{
var q = from c in Get(1 +
2 +
3)
from b in Get(1 +
2 +
3)
select new { b, c };
}
}");
}
[Fact]
public async Task QueryExpression4()
{
await AssertFormatAsync(@"class C
{
int Method()
{
var q =
from c in
from b in cs
select b
select c;
}
}", @" class C
{
int Method()
{
var q =
from c in
from b in cs
select b
select c;
}
} ");
}
[Fact]
public async Task Label1()
{
await AssertFormatAsync(@"class C
{
int Method()
{
L: int i = 10;
}
}", @" class C
{
int Method()
{
L : int i = 10 ;
}
} ");
}
[Fact]
public async Task Label2()
{
await AssertFormatAsync(@"class C
{
int Method()
{
int x = 1;
L: int i = 10;
}
}", @" class C
{
int Method()
{
int x = 1 ;
L : int i = 10 ;
}
} ");
}
[Fact]
public async Task Label3()
{
await AssertFormatAsync(@"class C
{
int Method()
{
int x = 1;
L:
int i = 10;
}
}", @" class C
{
int Method()
{
int x = 1 ;
L :
int i = 10 ;
}
} ");
}
[Fact]
public async Task Label4()
{
await AssertFormatAsync(@"class C
{
int Method()
{
int x = 1;
L: int i = 10;
int next = 30;
}
}", @" class C
{
int Method()
{
int x = 1 ;
L : int i = 10 ;
int next = 30;
}
} ");
}
[Fact]
public async Task Label5()
{
await AssertFormatAsync(@"class C
{
int Method()
{
L: int i = 10;
int next = 30;
}
}", @" class C
{
int Method()
{
L : int i = 10 ;
int next = 30;
}
} ");
}
[Fact]
public async Task Label6()
{
await AssertFormatAsync(@"class C
{
int Method()
{
L:
int i = 10;
int next = 30;
}
}", @" class C
{
int Method()
{
L :
int i = 10 ;
int next = 30;
}
} ");
}
[Fact]
public async Task Label7()
{
await AssertFormatAsync(@"class C
{
int Method()
{
int i2 = 1;
L:
int i = 10;
int next = 30;
}
}", @" class C
{
int Method()
{
int i2 = 1 ;
L :
int i = 10 ;
int next = 30;
}
} ");
}
[Fact]
public async Task Label8()
{
await AssertFormatAsync(@"class C
{
int Method()
{
L:
int i =
10;
}
}", @" class C
{
int Method()
{
L:
int i =
10;
}
} ");
}
[Fact]
public async Task AutoProperty()
{
await AssertFormatAsync(@"class Class
{
private int Age { get; set; }
public string Names { get; set; }
}", @" class Class
{
private int Age{get; set; }
public string Names { get; set;}
}");
}
[Fact]
public async Task NormalPropertyGet()
{
await AssertFormatAsync(@"class Class
{
private string name;
public string Names
{
get
{
return name;
}
}
}", @"class Class
{
private string name;
public string Names
{
get
{
return name;
}
}
}");
}
[Fact]
public async Task NormalPropertyBoth()
{
await AssertFormatAsync(@"class Class
{
private string name;
public string Names
{
get
{
return name;
}
set
{
name = value;
}
}
}", @"class Class
{
private string name;
public string Names
{
get
{
return name;
}
set
{
name = value;
}
}
}");
}
[Fact]
public async Task ErrorHandling1()
{
await AssertFormatAsync(@"class C
{
int Method()
{
int a b c;
}
}", @" class C
{
int Method()
{
int a b c ;
}
} ");
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/537763")]
public async Task NullableType()
{
await AssertFormatAsync(@"class Program
{
static void Main(string[] args)
{
int? i = 10;
}
}", @"class Program
{
static void Main(string[] args)
{
int ? i = 10;
}
}");
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/537766")]
public async Task SuppressWrappingOnBraces()
{
await AssertFormatAsync(@"class Class1
{ }
", @"class Class1
{}
");
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/537824")]
public async Task DoWhile()
{
await AssertFormatAsync(@"public class Class1
{
void Goo()
{
do
{
} while (true);
}
}
", @"public class Class1
{
void Goo()
{
do
{
}while (true);
}
}
");
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/537774")]
public async Task SuppressWrappingBug()
{
await AssertFormatAsync(@"class Class1
{
int Goo()
{
return 0;
}
}
", @"class Class1
{
int Goo()
{return 0;
}
}
");
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/537768")]
public async Task PreserveLineForAttribute()
{
await AssertFormatAsync(@"class Class1
{
[STAThread]
static void Main(string[] args)
{
}
}
", @"class Class1
{
[STAThread]
static void Main(string[] args)
{
}
}
");
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/537878")]
public async Task NoFormattingOnMissingTokens()
{
await AssertFormatAsync(@"namespace ClassLibrary1
{
class Class1
{
void Goo()
{
if (true)
}
}
}
", @"namespace ClassLibrary1
{
class Class1
{
void Goo()
{
if (true)
}
}
}
");
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/537783")]
public async Task UnaryExpression()
{
await AssertFormatAsync(@"class Program
{
static void Main(string[] args)
{
int a = 6;
a = a++ + 5;
}
}
", @"class Program
{
static void Main(string[] args)
{
int a = 6;
a = a++ + 5;
}
}
");
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/537885")]
public async Task Pointer()
{
await AssertFormatAsync(@"class Program
{
static void Main(string[] args)
{
int* p;
}
}
", @"class Program
{
static void Main(string[] args)
{
int* p;
}
}
");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/50723")]
public async Task TuplePointer()
{
var properlyFormattedCode = @"public unsafe static class Program
{
public static void Main(string[] args)
{
int* intPointer = null;
(int, int)* intIntPointer = null;
}
}
";
await AssertFormatAsync(properlyFormattedCode, properlyFormattedCode);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/537886")]
public async Task Tild()
{
await AssertFormatAsync(@"class Program
{
static void Main(string[] args)
{
int j = 103;
j = ~7;
}
}
", @"class Program
{
static void Main(string[] args)
{
int j = 103;
j = ~7;
}
}
");
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/537884")]
public async Task ArrayInitializer1()
{
await AssertFormatAsync(@"class Program
{
static void Main(string[] args)
{
int[] arr = {1,2,
3,4
};
}
}
", @"class Program
{
static void Main(string[] args)
{
int[] arr = {1,2,
3,4
};
}
}
");
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/537884")]
public async Task ArrayInitializer2()
{
await AssertFormatAsync(@"class Program
{
static void Main(string[] args)
{
int[] arr = new int[] {1,2,
3,4
};
}
}
", @"class Program
{
static void Main(string[] args)
{
int[] arr = new int [] {1,2,
3,4
};
}
}
");
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/537884")]
public async Task ImplicitArrayInitializer()
{
await AssertFormatAsync(@"class Program
{
static void Main(string[] args)
{
var arr = new[] {1,2,
3,4
};
}
}
", @"class Program
{
static void Main(string[] args)
{
var arr = new [] {1,2,
3,4
} ;
}
}
");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/65498")]
public async Task StackAllocArrayInitializer0()
{
await AssertFormatAsync("""
F(stackalloc int[]
{
1,
2,
});
""", """
F(stackalloc int[]
{
1,
2,
} );
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/65498")]
public async Task StackAllocArrayInitializer0_Implicit()
{
await AssertFormatAsync("""
F(stackalloc[]
{
1,
2,
}
);
""", """
F( stackalloc []
{
1,
2,
}
);
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/65498")]
public async Task StackAllocArrayInitializer1()
{
await AssertFormatAsync("""
F(
stackalloc int[]
{
1,2,
3,4
}
);
""", """
F(
stackalloc int[]
{
1,2,
3,4
}
);
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/65498")]
public async Task StackAllocArrayInitializer1_Implicit()
{
await AssertFormatAsync("""
F(
stackalloc[]
{
1,2,
3,4
}
);
""", """
F(
stackalloc []
{
1,2,
3,4
}
);
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/65498")]
public async Task StackAllocArrayInitializer2()
{
await AssertFormatAsync("""
var x = (stackalloc int[] {1,2,
3
});
""", """
var x = (stackalloc int[] {1,2,
3
});
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/65498")]
public async Task StackAllocArrayInitializer2_Implicit()
{
await AssertFormatAsync("""
var x = (stackalloc[]
{1,
2, 3
});
""", """
var x = (stackalloc []
{1,
2, 3
});
""");
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/537884")]
public async Task CollectionInitializer()
{
await AssertFormatAsync(@"class Program
{
static void Main(string[] args)
{
var arr = new List<int> {1,2,
3,4
};
}
}
", @"class Program
{
static void Main(string[] args)
{
var arr = new List<int> {1,2,
3,4
};
}
}
");
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/537916")]
public async Task AddressOfOperator()
{
await AssertFormatAsync(@"unsafe class Class1
{
void Method()
{
int a = 12;
int* p = &a;
}
}
", @"unsafe class Class1
{
void Method()
{
int a = 12;
int* p = &a;
}
}
");
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/537885")]
public async Task DereferenceOperator()
{
await AssertFormatAsync(@"unsafe class Class1
{
void Method()
{
int a = 12;
int* p = &a;
Console.WriteLine(*p);
}
}
", @"unsafe class Class1
{
void Method()
{
int a = 12;
int* p = & a;
Console.WriteLine(* p);
}
}
");
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/537905")]
public async Task Namespaces()
{
await AssertFormatAsync(@"using System;
using System.Data;", @"using System; using System.Data;");
}
[Fact]
public async Task NamespaceDeclaration()
{
await AssertFormatAsync(@"namespace N
{
}", @"namespace N
{
}");
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/537902")]
public async Task DoWhile1()
{
await AssertFormatAsync(@"class Program
{
static void Main(string[] args)
{
do { }
while (i < 4);
}
}", @"class Program
{
static void Main(string[] args)
{
do { }
while (i < 4);
}
}");
}
[Fact]
public async Task NewConstraint()
{
await AssertFormatAsync(@"class Program
{
void Test<T>(T t) where T : new()
{
}
}", @"class Program
{
void Test<T>(T t) where T : new ( )
{
}
}");
}
[Fact]
public async Task UnaryExpressionWithInitializer()
{
await AssertFormatAsync(@"using System;
using System.Collections.Generic;
using System.Linq;
class Program
{
static void Main(string[] args)
{
if ((new int[] { 1, 2, 3 }).Any())
{
return;
}
}
}", @"using System;
using System.Collections.Generic;
using System.Linq;
class Program
{
static void Main(string[] args)
{
if ((new int[] { 1, 2, 3 } ).Any())
{
return;
}
}
}");
}
[Fact]
public async Task Attributes1()
{
await AssertFormatAsync(@"class Program
{
[Flags] public void Method() { }
}", @"class Program
{
[ Flags ] public void Method ( ) { }
}");
}
[Fact]
public async Task Attributes2()
{
await AssertFormatAsync(@"class Program
{
[Flags]
public void Method() { }
}", @"class Program
{
[ Flags ]
public void Method ( ) { }
}");
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538288")]
public async Task ColonColon1()
{
await AssertFormatAsync(@"class Program
{
public void Method()
{
throw new global::System.NotImplementedException();
}
}", @"class Program
{
public void Method ( ) {
throw new global :: System.NotImplementedException();
}
}");
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538354")]
public async Task BugFix3939()
{
await AssertFormatAsync(@"using
System.
Collections.
Generic;", @" using
System.
Collections.
Generic;");
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538354")]
public async Task Tab1()
=> await AssertFormatAsync(@"using System;", @" using System;");
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538329")]
public async Task SuppressLinkBreakInIfElseStatement()
{
await AssertFormatAsync(@"class Program
{
static void Main(string[] args)
{
int a;
if (true) a = 10;
else a = 11;
}
}", @"class Program
{
static void Main(string[] args)
{
int a;
if (true) a = 10;
else a = 11;
}
}");
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538464")]
public async Task BugFix4087()
{
await AssertFormatAsync(@"class Program
{
static void Main(string[] args)
{
Func<int, int> fun = x => { return x + 1; }
}
}", @"class Program
{
static void Main(string[] args)
{
Func<int, int> fun = x => { return x + 1; }
}
}");
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538511")]
public async Task AttributeTargetSpecifier()
{
var code = @"public class Class1
{
[method :
void Test()
{
}
}";
var expected = @"public class Class1
{
[method:
void Test()
{
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538635")]
public async Task Finalizer()
{
var code = @"public class Class1
{
~ Class1() { }
}";
var expected = @"public class Class1
{
~Class1() { }
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538743")]
public async Task BugFix4442()
{
var code = @"class Program
{
static void Main(string[] args)
{
string str = ""ab,die|wo"";
string[] a = str.Split(new char[] { ',', '|' })
;
}
}";
await AssertFormatAsync(code, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538658")]
public async Task BugFix4328()
{
var code = @"class Program
{
static void Main(string[] args)
{
double d = new double ();
}
}";
var expected = @"class Program
{
static void Main(string[] args)
{
double d = new double();
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538658")]
public async Task BugFix4515()
{
var code = @"class Program
{
static void Main(string[] args)
{
var t = typeof ( System.Object ) ;
var t1 = default ( System.Object ) ;
var t2 = sizeof ( System.Object ) ;
}
}";
var expected = @"class Program
{
static void Main(string[] args)
{
var t = typeof(System.Object);
var t1 = default(System.Object);
var t2 = sizeof(System.Object);
}
}";
await AssertFormatAsync(expected, code);
}
[Fact]
public async Task CastExpressionTest()
{
var code = @"class Program
{
static void Main(string[] args)
{
var a = (int) 1;
}
}";
var expected = @"class Program
{
static void Main(string[] args)
{
var a = (int)1;
}
}";
await AssertFormatAsync(expected, code);
}
[Fact]
public async Task NamedParameter()
{
var code = @"class Program
{
static void Main(string[] args)
{
Main ( args : null ) ;
}
}";
var expected = @"class Program
{
static void Main(string[] args)
{
Main(args: null);
}
}";
await AssertFormatAsync(expected, code);
}
[Fact]
public async Task RefReadonlyParameters()
{
var code = """
class C
{
int this [ ref readonly int x , ref readonly int y ] { get ; set ; }
void M ( ref readonly int x , ref readonly int y ) { }
}
""";
var expected = """
class C
{
int this[ref readonly int x, ref readonly int y] { get; set; }
void M(ref readonly int x, ref readonly int y) { }
}
""";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/539259")]
public async Task BugFix5143()
{
var code = @"class Program
{
static void Main(string[] args)
{
int x = Goo (
delegate ( int x ) { return x ; } ) ;
}
}";
var expected = @"class Program
{
static void Main(string[] args)
{
int x = Goo(
delegate (int x) { return x; });
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/539338")]
public async Task BugFix5251()
{
var code = @"class Program
{
public static string Goo { get; private set; }
}";
var expected = @"class Program
{
public static string Goo { get; private set; }
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/539358")]
public async Task BugFix5277()
{
var code = @"
#if true
#endif
";
var expected = @"
#if true
#endif
";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/539542")]
public async Task BugFix5544()
{
var code = @"
class Program
{
unsafe static void Main(string[] args)
{
Program* p;
p -> Goo = 5;
}
}
";
var expected = @"
class Program
{
unsafe static void Main(string[] args)
{
Program* p;
p->Goo = 5;
}
}
";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/539587")]
public async Task BugFix5602()
{
var code = @" class Bug
{
public static void func()
{
long b = //
}
}";
var expected = @"class Bug
{
public static void func()
{
long b = //
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/539616")]
public async Task BugFix5637()
{
var code = @"class Bug
{
// test
public static void func()
{
}
}";
var expected = @"class Bug
{
// test
public static void func()
{
}
}";
await AssertFormatAsync(expected, code);
}
[Fact]
public async Task GenericType()
{
var code = @"class Bug<T>
{
class N : Bug< T [ ] >
{
}
}";
var expected = @"class Bug<T>
{
class N : Bug<T[]>
{
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/539878")]
public async Task BugFix5978()
{
var code = @"class Program
{
static void Main(string[] args)
{
int i = 3;
label4:
if (i < 5)
{
label5:
if (i == 4)
{
}
else
{
System.Console.WriteLine(""a"");
}
}
}
}";
var expected = @"class Program
{
static void Main(string[] args)
{
int i = 3;
label4:
if (i < 5)
{
label5:
if (i == 4)
{
}
else
{
System.Console.WriteLine(""a"");
}
}
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/539878")]
public async Task BugFix5979()
{
var code = @"delegate int del(int i);
class Program
{
static void Main(string[] args)
{
del q = x =>
{
label2: goto label1;
label1: return x;
};
}
}";
var expected = @"delegate int del(int i);
class Program
{
static void Main(string[] args)
{
del q = x =>
{
label2: goto label1;
label1: return x;
};
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/539891")]
public async Task BugFix5993()
{
var code = @"public class MyClass
{
public static void Main()
{
lab1:
{
lab1:// CS0158
goto lab1;
}
}
}";
var expected = @"public class MyClass
{
public static void Main()
{
lab1:
{
lab1:// CS0158
goto lab1;
}
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/540315")]
public async Task BugFix6536()
{
var code = @"public class MyClass
{
public static void Main()
{
int i = - - 1 + + + 1 + - + 1 + - + 1 ;
}
}";
var expected = @"public class MyClass
{
public static void Main()
{
int i = - -1 + + +1 + -+1 + -+1;
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/540801")]
public async Task BugFix7211()
{
var code = @"class Program
{
static void Main(string[] args)
{
while (0 > new int[] { 1 }.Length)
{
System.Console.WriteLine(""Hello"");
}
}
}";
var expected = @"class Program
{
static void Main(string[] args)
{
while (0 > new int[] { 1 }.Length)
{
System.Console.WriteLine(""Hello"");
}
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/541035")]
public async Task BugFix7564_1()
{
var code = @"class Program
{
static void Main(string[] args)
{
while (null != new int[] { 1 })
{
System.Console.WriteLine(""Hello"");
}
}
}";
var expected = @"class Program
{
static void Main(string[] args)
{
while (null != new int[] { 1 })
{
System.Console.WriteLine(""Hello"");
}
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/541035")]
public async Task BugFix7564_2()
{
var code = @"class Program
{
static void Main(string[] args)
{
foreach (var f in new int[] { 5 })
{
Console.WriteLine(f);
}
}
}";
var expected = @"class Program
{
static void Main(string[] args)
{
foreach (var f in new int[] { 5 })
{
Console.WriteLine(f);
}
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem(8385, "DevDiv_Projects/Roslyn")]
public async Task NullCoalescingOperator()
{
var code = @"class C
{
void M()
{
object o2 = null??null;
}
}";
var expected = @"class C
{
void M()
{
object o2 = null ?? null;
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/541925")]
public async Task QueryContinuation()
{
var code = @"using System.Linq;
class C
{
static void Main(string[] args)
{
var temp = from x in ""abc""
let z = x.ToString()
select z into w
select w;
}
}";
var expected = @"using System.Linq;
class C
{
static void Main(string[] args)
{
var temp = from x in ""abc""
let z = x.ToString()
select z into w
select w;
}
}";
await AssertFormatAsync(expected, code);
}
[Fact]
public async Task QueryContinuation2()
{
var code = @"using System.Linq;
class C
{
static void Main(string[] args)
{
var temp = from x in ""abc"" select x into
}
}";
var expected = @"using System.Linq;
class C
{
static void Main(string[] args)
{
var temp = from x in ""abc""
select x into
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/542305")]
public async Task AttributeFormatting1()
{
var code = @"class Program
{
void AddClass(string name,[OptionalAttribute] object position,[OptionalAttribute] object bases)
{
}
}";
var expected = @"class Program
{
void AddClass(string name, [OptionalAttribute] object position, [OptionalAttribute] object bases)
{
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/542304")]
public async Task CloseBracesInArgumentList()
{
var code = @"class Program
{
static void Main(string[] args)
{
var relativeIndentationGetter = new Lazy<int>(() =>
{
var indentationDelta = operation.IndentationDeltaOrPosition * this.OptionSet.IndentationSize;
var baseIndentation = this.tokenStream.GetCurrentColumn(operation.BaseToken);
return baseIndentation + indentationDelta;
} , isThreadSafe: true);
}
}";
var expected = @"class Program
{
static void Main(string[] args)
{
var relativeIndentationGetter = new Lazy<int>(() =>
{
var indentationDelta = operation.IndentationDeltaOrPosition * this.OptionSet.IndentationSize;
var baseIndentation = this.tokenStream.GetCurrentColumn(operation.BaseToken);
return baseIndentation + indentationDelta;
}, isThreadSafe: true);
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/542538")]
public async Task MissingTokens()
{
var code = @"using System;
delegate void myDelegate(int name = 1);
class innerClass
{
public innerClass()
{
myDelegate x = (int y=1) => { return; };
}
}";
var expected = @"using System;
delegate void myDelegate(int name = 1);
class innerClass
{
public innerClass()
{
myDelegate x = (int y = 1) => { return; };
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/542199")]
public async Task ColumnOfVeryFirstToken()
{
var code = @" W )b";
var expected = @"W )b";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/542718")]
public async Task EmptySuppressionSpan()
{
var code = @"enum E
{
a,,
}";
var expected = @"enum E
{
a,,
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/542790")]
public async Task LabelInSwitch()
{
var code = @"class test
{
public static void Main()
{
string target = ""t1"";
switch (target)
{
case ""t1"":
label1:
goto label1;
case ""t2"":
label2:
goto label2;
}
}
}";
var expected = @"class test
{
public static void Main()
{
string target = ""t1"";
switch (target)
{
case ""t1"":
label1:
goto label1;
case ""t2"":
label2:
goto label2;
}
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/543112")]
public void FormatArbitaryNode()
{
var expected = @"public int Prop
{
get
{
return c;
}
set
{
c = value;
}
}";
var property = SyntaxFactory.PropertyDeclaration(
attributeLists: [],
[PublicKeyword],
SyntaxFactory.ParseTypeName("int"),
null,
SyntaxFactory.Identifier("Prop"),
SyntaxFactory.AccessorList([
SyntaxFactory.AccessorDeclaration(
SyntaxKind.GetAccessorDeclaration,
SyntaxFactory.Block(SyntaxFactory.ParseStatement("return c;"))),
SyntaxFactory.AccessorDeclaration(
SyntaxKind.SetAccessorDeclaration,
SyntaxFactory.Block(SyntaxFactory.ParseStatement("c = value;")))]));
Assert.NotNull(property);
using var workspace = new AdhocWorkspace();
var newProperty = Formatter.Format(property, workspace.Services.SolutionServices, CSharpSyntaxFormattingOptions.Default, CancellationToken.None);
Assert.Equal(expected, newProperty.ToFullString());
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/543140")]
public async Task OmittedTypeArgument()
{
var code = @"using System;
using System.Collections.Generic;
using System.Linq;
class Program
{
static void Main(string[] args)
{
Console.WriteLine(typeof(Dictionary<, >).IsGenericTypeDefinition);
}
}";
var expected = @"using System;
using System.Collections.Generic;
using System.Linq;
class Program
{
static void Main(string[] args)
{
Console.WriteLine(typeof(Dictionary<,>).IsGenericTypeDefinition);
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/543131")]
public async Task TryAfterLabel()
{
var code = @"using System;
class Program
{
static object lockObj = new object();
static int Main()
{
int sum = 0;
lock (lockObj)
try
{ sum = 0; }
catch (Exception ex)
{ Console.WriteLine(ex); }
return sum;
}
}";
var expected = @"using System;
class Program
{
static object lockObj = new object();
static int Main()
{
int sum = 0;
lock (lockObj)
try
{ sum = 0; }
catch (Exception ex)
{ Console.WriteLine(ex); }
return sum;
}
}";
await AssertFormatAsync(expected, code);
}
[Fact]
public async Task QueryContinuation1()
{
var code = @"using System.Linq;
class Program
{
static void Main(string[] args)
{
var q = from arg in args
group arg by arg.Length into final
where final
.Select(c => c)
.Distinct()
.Count() > 0
select final;
}
}";
var expected = @"using System.Linq;
class Program
{
static void Main(string[] args)
{
var q = from arg in args
group arg by arg.Length into final
where final
.Select(c => c)
.Distinct()
.Count() > 0
select final;
}
}";
await AssertFormatAsync(expected, code);
}
[Fact]
public async Task TestCSharpFormattingSpacingOptions()
{
var text =
@"
interface f1
{ }
interface f2 : f1 { }
struct d2 : f1 { }
class goo : System . Object
{
public int bar = 1* 2;
public void goobar ( )
{
goobar ( );
}
public int toofoobar( int i , int j )
{
int s = ( int ) ( 34 );
if ( i < 0 )
{
}
return toofoobar( i,j );
}
public string parfoobar(string [ ] str)
{
for(int i = 0 ; i < 28 ; i++) { }
return str[ 5 ];
}
}";
var expectedFormattedText =
@"
interface f1
{ }
interface f2 : f1 { }
struct d2 : f1 { }
class goo : System.Object
{
public int bar = 1 * 2;
public void goobar()
{
goobar();
}
public int toofoobar(int i, int j)
{
int s = (int)(34);
if (i < 0)
{
}
return toofoobar(i, j);
}
public string parfoobar(string[] str)
{
for (int i = 0; i < 28; i++) { }
return str[5];
}
}";
await AssertFormatAsync(expectedFormattedText, text);
}
[Fact]
public async Task SpacingFixInTokenBasedForIfAndSwitchCase()
{
var code = @"class Class5{
void bar()
{
if(x == 1)
x = 2; else x = 3;
switch (x) {
case 1: break; case 2: break; default: break;}
}
}";
var expectedCode = @"class Class5
{
void bar()
{
if (x == 1)
x = 2;
else x = 3;
switch (x)
{
case 1: break;
case 2: break;
default: break;
}
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task SpacingInDeconstruction()
{
var code = @"class Class5{
void bar()
{
var(x,y)=(1,2);
}
}";
var expectedCode = @"class Class5
{
void bar()
{
var (x, y) = (1, 2);
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task SpacingInNullableTuple()
{
var code = @"class Class5
{
void bar()
{
(int, string) ? x = (1, ""hello"");
}
}";
var expectedCode = @"class Class5
{
void bar()
{
(int, string)? x = (1, ""hello"");
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task SpacingInTupleArrayCreation()
{
var code = @"class C
{
void bar()
{
(string a, string b)[] ab = new(string a, string b) [1];
}
}";
var expectedCode = @"class C
{
void bar()
{
(string a, string b)[] ab = new (string a, string b)[1];
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task SpacingInTupleArrayCreation2()
{
var code = @"class C
{
void bar()
{
(string a, string b)[] ab = new(
}
}";
var expectedCode = @"class C
{
void bar()
{
(string a, string b)[] ab = new(
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task SpacingInImplicitObjectCreation()
{
var code = @"class C
{
void bar()
{
C a = new ();
}
}";
var expectedCode = @"class C
{
void bar()
{
C a = new();
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task FormatRecursivePattern_Positional()
{
var code = @"class C
{
void M() { _ = this is ( 1 , 2 ) ; }
}";
var expectedCode = @"class C
{
void M() { _ = this is (1, 2); }
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task FormatRecursivePattern_Positional_Singleline()
{
var code = @"class C
{
void M() {
_ = this is ( 1 , 2 ) ; }
}";
var expectedCode = @"class C
{
void M()
{
_ = this is (1, 2);
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task FormatRecursivePattern_Positional_Multiline()
{
var code = @"class C
{
void M() {
_ = this is ( 1 ,
2 ,
3 ) ; }
}";
var expectedCode = @"class C
{
void M()
{
_ = this is (1,
2,
3);
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task FormatRecursivePattern_Positional_Multiline2()
{
var code = @"class C
{
void M() {
_ = this is ( 1 ,
2 ,
3 ) ; }
}";
var expectedCode = @"class C
{
void M()
{
_ = this is (1,
2,
3);
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task FormatRecursivePattern_Positional_Multiline3()
{
var code = @"class C
{
void M() {
_ = this is
( 1 ,
2 ,
3 ) ; }
}";
var expectedCode = @"class C
{
void M()
{
_ = this is
(1,
2,
3);
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task FormatRecursivePattern_Positional_Multiline4()
{
var code = @"class C
{
void M() {
_ = this is
( 1 ,
2 , 3 ) ; }
}";
var expectedCode = @"class C
{
void M()
{
_ = this is
(1,
2, 3);
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task FormatRecursivePattern_Properties_Singleline()
{
var code = @"class C
{
void M() { _ = this is C{ P1 : 1 } ; }
}";
var expectedCode = @"class C
{
void M() { _ = this is C { P1: 1 }; }
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task FormatRecursivePattern_Properties_Multiline()
{
var code = @"class C
{
void M() {
_ = this is
{
P1 : 1 ,
P2 : 2
} ;
}
}";
var expectedCode = @"class C
{
void M()
{
_ = this is
{
P1: 1,
P2: 2
};
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task FormatRecursivePattern_Properties_Multiline2()
{
var code = @"class C
{
void M() {
_ = this is {
P1 : 1 ,
P2 : 2
} ;
}
}";
var expectedCode = @"class C
{
void M()
{
_ = this is
{
P1: 1,
P2: 2
};
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task FormatRecursivePattern_Properties_Multiline3()
{
var code = @"class C
{
void M() {
_ = this is {
P1 : 1 ,
P2 : 2, P3: 3
} ;
}
}";
var expectedCode = @"class C
{
void M()
{
_ = this is
{
P1: 1,
P2: 2, P3: 3
};
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/27268")]
public async Task FormatRecursivePattern_NoSpaceBetweenTypeAndPositionalSubpattern()
{
var code = @"class C
{
void M() {
_ = this is C( 1 , 2 ){} ; }
}";
var expectedCode = @"class C
{
void M()
{
_ = this is C(1, 2) { };
}
}";
// no space separates the type and the positional pattern
await AssertFormatAsync(expectedCode, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/27268")]
public async Task FormatRecursivePattern_PreferSpaceBetweenTypeAndPositionalSubpattern()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.SpaceAfterMethodCallName, true }
};
var code = @"class C
{
void M() {
_ = this is C( 1 , 2 ){} ; }
}";
var expectedCode = @"class C
{
void M()
{
_ = this is C (1, 2) { };
}
}";
await AssertFormatAsync(expectedCode, code, changedOptionSet: changingOptions);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/27268")]
public async Task FormatRecursivePattern_PreferSpaceInsidePositionalSubpatternParentheses()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.SpaceWithinMethodCallParentheses, true }
};
var code = @"class C
{
void M() {
_ = this is C( 1 , 2 ){} ;
_ = this is C( ){} ; }
}";
var expectedCode = @"class C
{
void M()
{
_ = this is C( 1, 2 ) { };
_ = this is C() { };
}
}";
await AssertFormatAsync(expectedCode, code, changedOptionSet: changingOptions);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/27268")]
public async Task FormatRecursivePattern_PreferSpaceInsideEmptyPositionalSubpatternParentheses()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.SpaceBetweenEmptyMethodCallParentheses, true }
};
var code = @"class C
{
void M() {
_ = this is C( 1 , 2 ){} ;
_ = this is C( ){} ; }
}";
var expectedCode = @"class C
{
void M()
{
_ = this is C(1, 2) { };
_ = this is C( ) { };
}
}";
await AssertFormatAsync(expectedCode, code, changedOptionSet: changingOptions);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/34683")]
public async Task FormatRecursivePattern_InBinaryOperation()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.SpaceWithinMethodCallParentheses, true }
};
var code = @"class C
{
void M()
{
return
typeWithAnnotations is { } && true;
}
}";
var expectedCode = code;
await AssertFormatAsync(expectedCode, code, changedOptionSet: changingOptions);
}
[Fact]
public async Task FormatPropertyPattern_MultilineAndEmpty()
{
var code = @"class C
{
void M() {
_ = this is
{
};
}
}";
var expectedCode = @"class C
{
void M()
{
_ = this is
{
};
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task FormatSwitchExpression_IndentArms()
{
var code = @"class C
{
void M() {
_ = this switch
{
{ P1: 1} => true,
(0, 1) => true,
_ => false
};
}
}";
var expectedCode = @"class C
{
void M()
{
_ = this switch
{
{ P1: 1 } => true,
(0, 1) => true,
_ => false
};
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task FormatPropertyPattern_FollowedByInvocation()
{
var code = @"class C
{
void M() {
_ = this is { }
M();
}
}";
var expectedCode = @"class C
{
void M()
{
_ = this is { }
M();
}
}";
// although 'M' will be parsed into the pattern on line above, we should not wrap the pattern
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task FormatPositionalPattern_FollowedByInvocation()
{
var code = @"class C
{
void M() {
_ = this is (1, 2) { }
M();
}
}";
var expectedCode = @"class C
{
void M()
{
_ = this is (1, 2) { }
M();
}
}";
// although 'M' will be parsed into the pattern on line above, we should not wrap the pattern
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task FormatPositionalPattern_FollowedByScope()
{
var code = @"class C
{
void M() {
_ = this is (1, 2)
{
M();
}
}
}";
var expectedCode = @"class C
{
void M()
{
_ = this is (1, 2)
{
M();
}
}
}";
// You should not invoke Format on incomplete code and expect nice results
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task FormatSwitchExpression_MultilineAndNoArms()
{
var code = @"class C
{
void M() {
_ = this switch
{
};
}
}";
var expectedCode = @"class C
{
void M()
{
_ = this switch
{
};
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task FormatSwitchExpression_ExpressionAnchoredToArm()
{
var code = @"class C
{
void M() {
_ = this switch
{
{ P1: 1}
=> true,
(0, 1)
=> true,
_
=> false
};
}
}";
var expectedCode = @"class C
{
void M()
{
_ = this switch
{
{ P1: 1 }
=> true,
(0, 1)
=> true,
_
=> false
};
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task FormatSwitchExpression_NoSpaceBeforeColonInArm()
{
var code = @"class C
{
void M() {
_ = this switch
{
{ P1: 1}
=> true,
(0, 1)
=> true,
_
=> false
};
}
}";
var expectedCode = @"class C
{
void M()
{
_ = this switch
{
{ P1: 1 }
=> true,
(0, 1)
=> true,
_
=> false
};
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task FormatSwitchExpression_ArmCommaWantsNewline()
{
var code = @"class C
{
void M() {
_ = this switch
{
{ P1: 1} => true,
(0, 1) => true, _ => false
};
}
}";
var expectedCode = @"class C
{
void M()
{
_ = this switch
{
{ P1: 1 } => true,
(0, 1) => true,
_ => false
};
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task FormatSwitchExpression_ArmCommaPreservesLines()
{
var code = @"class C
{
void M() {
_ = this switch
{
{ P1: 1} => true,
(0, 1) => true, _ => false
};
}
}";
var expectedCode = @"class C
{
void M()
{
_ = this switch
{
{ P1: 1 } => true,
(0, 1) => true,
_ => false
};
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/33839")]
public async Task FormatSwitchExpression_ExpressionBody()
{
var code = @"
public class Test
{
public object Method(int i)
=> i switch
{
1 => 'a',
2 => 'b',
_ => null,
};
}";
var expectedCode = @"
public class Test
{
public object Method(int i)
=> i switch
{
1 => 'a',
2 => 'b',
_ => null,
};
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task FormatSwitchWithPropertyPattern()
{
var code = @"class C
{
void M()
{
switch (this)
{
case { P1: 1, P2: { P3: 3, P4: 4 } }:
break;
}
}
}";
var expectedCode = @"class C
{
void M()
{
switch (this)
{
case { P1: 1, P2: { P3: 3, P4: 4 } }:
break;
}
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task FormatSwitchWithPropertyPattern_Singleline()
{
var code = @"class C
{
void M()
{
switch (this)
{
case { P1: 1, P2: { P3: 3, P4: 4 } }: break;
}
}
}";
var expectedCode = @"class C
{
void M()
{
switch (this)
{
case { P1: 1, P2: { P3: 3, P4: 4 } }: break;
}
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task FormatSwitchWithPropertyPattern_Singleline2()
{
var code = @"class C
{
void M()
{
switch (this)
{
case { P1: 1, P2: { P3: 3, P4: 4 } }: System.Console.Write(1);
break;
}
}
}";
var expectedCode = @"class C
{
void M()
{
switch (this)
{
case { P1: 1, P2: { P3: 3, P4: 4 } }:
System.Console.Write(1);
break;
}
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task SpacingInTupleExtension()
{
var code = @"static class Class5
{
static void Extension(this(int, string) self) { }
}";
var expectedCode = @"static class Class5
{
static void Extension(this (int, string) self) { }
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task SpacingInNestedDeconstruction()
{
var code = @"class Class5{
void bar()
{
( int x1 , var( x2,x3 ) )=(1,(2,3));
}
}";
var expectedCode = @"class Class5
{
void bar()
{
(int x1, var (x2, x3)) = (1, (2, 3));
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task SpacingInSuppressNullableWarningExpression()
{
var code =
@"class C
{
static object F()
{
object? o[] = null;
object? x = null;
object? y = null;
return x ! ?? (y) ! ?? o[0] !;
}
}";
var expectedCode =
@"class C
{
static object F()
{
object? o[] = null;
object? x = null;
object? y = null;
return x! ?? (y)! ?? o[0]!;
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545335")]
public async Task PreprocessorOnSameLine()
{
var code = @"class C
{
}#line default
#line hidden";
var expected = @"class C
{
}
#line default
#line hidden";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545626")]
public async Task ArraysInAttributes()
{
var code = @"[A(X = new int[] { 1 })]
public class A : Attribute
{
public int[] X;
}";
var expected = @"[A(X = new int[] { 1 })]
public class A : Attribute
{
public int[] X;
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/530580")]
public async Task NoNewLineAfterBraceInExpression()
{
var code = @"public class A
{
void Method()
{
var po = cancellationToken.CanBeCanceled ?
new ParallelOptions() { CancellationToken = cancellationToken } :
defaultParallelOptions;
}
}";
var expected = @"public class A
{
void Method()
{
var po = cancellationToken.CanBeCanceled ?
new ParallelOptions() { CancellationToken = cancellationToken } :
defaultParallelOptions;
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/530580")]
public async Task NoIndentForNestedUsingWithoutBraces()
{
var code = @"class C
{
void M()
{
using (null)
using (null)
{
}
}
}
";
var expected = @"class C
{
void M()
{
using (null)
using (null)
{
}
}
}
";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/530580")]
public async Task NoIndentForNestedUsingWithoutBraces2()
{
var code = @"class C
{
void M()
{
using (null)
using (null)
using (null)
{
}
}
}
";
var expected = @"class C
{
void M()
{
using (null)
using (null)
using (null)
{
}
}
}
";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/530580")]
public async Task NoIndentForNestedUsingWithoutBraces3()
{
var code = @"class C
{
void M()
{
using (null)
using (null)
using (null)
{
}
}
}
";
var expected = @"class C
{
void M()
{
using (null)
using (null)
using (null)
{
}
}
}
";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546678")]
public async Task UnicodeWhitespace()
{
var code = "\u001A";
await AssertFormatAsync("", code);
}
[Fact, WorkItem(17431, "DevDiv_Projects/Roslyn")]
public async Task NoElasticRuleOnRegularFile()
{
var code = @"class Consumer
{
public int P
{
}
}";
var expected = @"class Consumer
{
public int P
{
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem(584599, "DevDiv_Projects/Roslyn")]
public async Task CaseSection()
{
var code = @"class C
{
void Method()
{
switch(i)
{
// test1
case 1:
// test2
case 2:
// test3
int i2 = 10;
// test 4
case 4:
// test 5
}
}
}";
var expected = @"class C
{
void Method()
{
switch (i)
{
// test1
case 1:
// test2
case 2:
// test3
int i2 = 10;
// test 4
case 4:
// test 5
}
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem(553654, "DevDiv_Projects/Roslyn")]
public async Task Bugfix_553654_LabelStatementIndenting()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.LabelPositioning, LabelPositionOptions.LeftMost }
};
var code = @"class Program
{
void F()
{
foreach (var x in new int[] { })
{
goo:
int a = 1;
}
}
}";
var expected = @"class Program
{
void F()
{
foreach (var x in new int[] { })
{
goo:
int a = 1;
}
}
}";
await AssertFormatAsync(expected, code, changingOptions);
}
[Fact, WorkItem(707064, "DevDiv_Projects/Roslyn")]
public async Task Bugfix_707064_SpaceAfterSecondSemiColonInFor()
{
var code = @"class Program
{
void F()
{
for (int i = 0; i < 5;)
{
}
}
}";
var expected = @"class Program
{
void F()
{
for (int i = 0; i < 5;)
{
}
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/772313")]
public async Task Bugfix_772313_ReturnKeywordBeforeQueryClauseDoesNotTriggerNewLineOnFormat()
{
var code = @"class C
{
int M()
{
return from c in ""
select c;
}
}";
var expected = @"class C
{
int M()
{
return from c in ""
select c;
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/772304")]
public async Task Bugfix_772313_PreserveMethodParameterIndentWhenAttributePresent()
{
var code = @"class C
{
void M
(
[In]
bool b
);
}
class C
{
void M
(
[In]
List<bool> b
);
}
class C
{
void M
(
[In]
[In, In]
List<bool> b
);
}";
var expected = @"class C
{
void M
(
[In]
bool b
);
}
class C
{
void M
(
[In]
List<bool> b
);
}
class C
{
void M
(
[In]
[In, In]
List<bool> b
);
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/776513")]
public async Task Bugfix_776513_CheckBraceIfNotMissingBeforeApplyingOperationForBracedBlocks()
{
var code = @"var alwaysTriggerList = new[]
Dim triggerOnlyWithLettersList =";
var expected = @"var alwaysTriggerList = new[]
Dim triggerOnlyWithLettersList =";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/769342")]
public async Task ShouldFormatDocCommentWithIndentSameAsTabSizeWithUseTabTrue()
{
var optionSet = new OptionsCollection(LanguageNames.CSharp) { { FormattingOptions2.UseTabs, true } };
await AssertFormatAsync(@"namespace ConsoleApplication1
{
/// <summary>
/// fka;jsgdflkhsjflgkhdsl;
/// </summary>
class Program
{
}
}", @"namespace ConsoleApplication1
{
/// <summary>
/// fka;jsgdflkhsjflgkhdsl;
/// </summary>
class Program
{
}
}", changedOptionSet: optionSet);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/797278")]
public async Task TestSpacingOptionAroundControlFlow()
{
const string code = @"
class Program
{
public void goo()
{
int i;
for(i=0; i<10; i++)
{}
foreach(i in new[] {1,2,3})
{}
if (i==10)
{}
while(i==10)
{}
switch(i)
{
default: break;
}
do {} while (true);
try
{ }
catch (System.Exception)
{ }
catch (System.Exception e) when (true)
{ }
using(somevar)
{ }
lock(somevar)
{ }
fixed(char* p = str)
{ }
}
}";
const string expected = @"
class Program
{
public void goo()
{
int i;
for ( i = 0; i < 10; i++ )
{ }
foreach ( i in new[] { 1, 2, 3 } )
{ }
if ( i == 10 )
{ }
while ( i == 10 )
{ }
switch ( i )
{
default: break;
}
do { } while ( true );
try
{ }
catch ( System.Exception )
{ }
catch ( System.Exception e ) when ( true )
{ }
using ( somevar )
{ }
lock ( somevar )
{ }
fixed ( char* p = str )
{ }
}
}";
var optionSet = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBetweenParentheses, SpaceBetweenParentheses.DefaultValue.WithFlagValue( SpacePlacementWithinParentheses.ControlFlowStatements, true) },
};
await AssertFormatAsync(expected, code, changedOptionSet: optionSet);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/37031")]
[WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/176345")]
public async Task TestSpacingOptionAfterControlFlowKeyword()
{
var code = @"
class Program
{
public void goo()
{
int i;
for (i=0; i<10; i++)
{}
foreach (i in new[] {1,2,3})
{}
if (i==10)
{}
while (i==10)
{}
switch (i)
{
default: break;
}
do {} while (true);
try
{ }
catch (System.Exception e) when (true)
{ }
using (somevar)
{ }
lock (somevar)
{ }
fixed (somevar)
{ }
}
}";
var expected = @"
class Program
{
public void goo()
{
int i;
for(i = 0; i < 10; i++)
{ }
foreach(i in new[] { 1, 2, 3 })
{ }
if(i == 10)
{ }
while(i == 10)
{ }
switch(i)
{
default: break;
}
do { } while(true);
try
{ }
catch(System.Exception e) when(true)
{ }
using(somevar)
{ }
lock(somevar)
{ }
fixed(somevar)
{ }
}
}";
var optionSet = new OptionsCollection(LanguageNames.CSharp) { { CSharpFormattingOptions2.SpaceAfterControlFlowStatementKeyword, false } };
await AssertFormatAsync(expected, code, changedOptionSet: optionSet);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/766212")]
public async Task TestOptionForSpacingAroundCommas()
{
var code = @"
class Program
{
public void Main()
{
var a = new[] {1,2,3};
var digits = new List<int> {1,2,3,4};
}
}";
var expectedDefault = @"
class Program
{
public void Main()
{
var a = new[] { 1, 2, 3 };
var digits = new List<int> { 1, 2, 3, 4 };
}
}";
await AssertFormatAsync(expectedDefault, code);
var expectedAfterCommaDisabled = @"
class Program
{
public void Main()
{
var a = new[] { 1,2,3 };
var digits = new List<int> { 1,2,3,4 };
}
}";
var optionSet = new OptionsCollection(LanguageNames.CSharp) { { CSharpFormattingOptions2.SpaceAfterComma, false } };
await AssertFormatAsync(expectedAfterCommaDisabled, code, changedOptionSet: optionSet);
var expectedBeforeCommaEnabled = @"
class Program
{
public void Main()
{
var a = new[] { 1 ,2 ,3 };
var digits = new List<int> { 1 ,2 ,3 ,4 };
}
}";
optionSet.Add(CSharpFormattingOptions2.SpaceBeforeComma, true);
await AssertFormatAsync(expectedBeforeCommaEnabled, code, changedOptionSet: optionSet);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/772308")]
public async Task Bugfix_772308_SeparateSuppressionForEachCaseLabelEvenIfEmpty()
{
var code = @"
class C
{
int M()
{
switch (1)
{
case 1: return 1;
case 2: return 2;
case 3:
case 4: return 4;
default:
}
}
}
";
var expected = @"
class C
{
int M()
{
switch (1)
{
case 1: return 1;
case 2: return 2;
case 3:
case 4: return 4;
default:
}
}
}
";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/844913")]
public async Task QueryExpressionInExpression()
{
var code = @"
class C
{
public void CreateSettingsFile(string path, string comment) {
var xml = new XDocument(
new XDeclaration(1.0, utf8, yes),
new XComment(comment),
new XElement(UserSettings,
new XElement(ToolsOptions,
from t in KnownSettings.DefaultCategories
group t by t.Item1 into cat
select new XElement(ToolsOptionsCategory,
new XAttribute(name, cat.Key),
cat.Select(sc => new XElement(ToolsOptionsSubCategory, new XAttribute(name, sc.Item2)))
)
)
)
);
UpdateSettingsXml(xml);
xml.Save(path);
SettingsPath = path;
}
}
";
var expected = @"
class C
{
public void CreateSettingsFile(string path, string comment)
{
var xml = new XDocument(
new XDeclaration(1.0, utf8, yes),
new XComment(comment),
new XElement(UserSettings,
new XElement(ToolsOptions,
from t in KnownSettings.DefaultCategories
group t by t.Item1 into cat
select new XElement(ToolsOptionsCategory,
new XAttribute(name, cat.Key),
cat.Select(sc => new XElement(ToolsOptionsSubCategory, new XAttribute(name, sc.Item2)))
)
)
)
);
UpdateSettingsXml(xml);
xml.Save(path);
SettingsPath = path;
}
}
";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/843479")]
public async Task EmbeddedStatementElse()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.NewLineForElse, false }
};
var code = @"
class C
{
void Method()
{
if (true)
Console.WriteLine(); else
Console.WriteLine();
}
}
";
var expected = @"
class C
{
void Method()
{
if (true)
Console.WriteLine();
else
Console.WriteLine();
}
}
";
await AssertFormatAsync(expected, code, changingOptions);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/772311")]
public async Task LineCommentAtTheEndOfLine()
{
var code = @"
using System;
class Program
{
static void Main(string[] args)
{
Console.WriteLine(); // this is a comment
// that I would like to keep
// properly indented
}
}
";
var expected = @"
using System;
class Program
{
static void Main(string[] args)
{
Console.WriteLine(); // this is a comment
// that I would like to keep
// properly indented
}
}
";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/38224")]
public async Task BlockCommentAtTheEndOfLine1()
{
var code = @"
using System;
class Program
{
static void Main(string[] args)
{
Console.WriteLine(); /* this is a comment */
// that I would like to keep
// properly indented
}
}
";
var expected = @"
using System;
class Program
{
static void Main(string[] args)
{
Console.WriteLine(); /* this is a comment */
// that I would like to keep
// properly indented
}
}
";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/38224")]
public async Task BlockCommentAtTheEndOfLine2()
{
var code = @"
using System;
class Program
{
static void Main(string[] args)
{
Console.WriteLine(); // this is a comment
/* that I would like to keep */
// properly indented
}
}
";
var expected = @"
using System;
class Program
{
static void Main(string[] args)
{
Console.WriteLine(); // this is a comment
/* that I would like to keep */
// properly indented
}
}
";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/38224")]
public async Task BlockCommentAtBeginningOfLine()
{
var code = @"
using System;
class Program
{
static void Main(
int x, // Some comment
/*A*/ int y)
{
}
}
";
await AssertFormatAsync(code, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/772311")]
public async Task TestTab()
{
var code = @"
using System;
class Program
{
/// <summary>
/// This function is the callback used to execute a command when a menu item is clicked.
/// See the Initialize method to see how the menu item is associated to this function using
/// the OleMenuCommandService service and the MenuCommand class.
/// </summary>
private void MenuItemCallback(object sender, EventArgs e) {
// Show a Message Box to prove we were here
IVsUIShell uiShell = (IVsUIShell)GetService(typeof(SVsUIShell));
Guid clsid = Guid.Empty;
int result;
Microsoft.VisualStudio.ErrorHandler.ThrowOnFailure(uiShell.ShowMessageBox(
0,
ref clsid,
Rebracer,
string.Format(CultureInfo.CurrentCulture, Inside {0}.MenuItemCallback(), this.ToString()),
string.Empty,
0,
OLEMSGBUTTON.OLEMSGBUTTON_OK,
OLEMSGDEFBUTTON.OLEMSGDEFBUTTON_FIRST,
OLEMSGICON.OLEMSGICON_INFO,
0, // false
out result));
}
}
";
var expected = @"
using System;
class Program
{
/// <summary>
/// This function is the callback used to execute a command when a menu item is clicked.
/// See the Initialize method to see how the menu item is associated to this function using
/// the OleMenuCommandService service and the MenuCommand class.
/// </summary>
private void MenuItemCallback(object sender, EventArgs e)
{
// Show a Message Box to prove we were here
IVsUIShell uiShell = (IVsUIShell)GetService(typeof(SVsUIShell));
Guid clsid = Guid.Empty;
int result;
Microsoft.VisualStudio.ErrorHandler.ThrowOnFailure(uiShell.ShowMessageBox(
0,
ref clsid,
Rebracer,
string.Format(CultureInfo.CurrentCulture, Inside { 0}.MenuItemCallback(), this.ToString()),
string.Empty,
0,
OLEMSGBUTTON.OLEMSGBUTTON_OK,
OLEMSGDEFBUTTON.OLEMSGDEFBUTTON_FIRST,
OLEMSGICON.OLEMSGICON_INFO,
0, // false
out result));
}
}
";
var optionSet = new OptionsCollection(LanguageNames.CSharp) { { FormattingOptions2.UseTabs, true } };
await AssertFormatAsync(expected, code, changedOptionSet: optionSet);
await AssertFormatAsync(expected, expected, changedOptionSet: optionSet);
}
[Fact]
public async Task LeaveBlockSingleLine_False()
{
var code = @"
namespace N { class C { int x; } }";
var expected = @"
namespace N
{
class C
{
int x;
}
}";
var options = new OptionsCollection(LanguageNames.CSharp) { { CSharpFormattingOptions2.WrappingPreserveSingleLine, false } };
await AssertFormatAsync(expected, code, changedOptionSet: options);
}
[Fact]
public async Task LeaveBlockSingleLine_False2()
{
var code = @"
class C { void goo() { } }";
var expected = @"
class C
{
void goo()
{
}
}";
var options = new OptionsCollection(LanguageNames.CSharp) { { CSharpFormattingOptions2.WrappingPreserveSingleLine, false } };
await AssertFormatAsync(expected, code, changedOptionSet: options);
}
[Fact]
public async Task LeaveStatementMethodDeclarationSameLine_False()
{
var code = @"
class Program
{
void goo()
{
int x = 0; int y = 0;
}
}";
var expected = @"
class Program
{
void goo()
{
int x = 0;
int y = 0;
}
}";
var options = new OptionsCollection(LanguageNames.CSharp) { { CSharpFormattingOptions2.WrappingKeepStatementsOnSingleLine, false } };
await AssertFormatAsync(expected, code, changedOptionSet: options);
}
[Fact]
public async Task SpaceWithinEmptyBracketPrecedencesSpaceBeforeOrAfterComma_0000()
{
var code = @"
class Program
{
int[ ] x;
int[ , ] y;
int[ , , ] z = new int[1,2,3];
var a = new[ ] { 0 };
}";
var expected = @"
class Program
{
int[] x;
int[,] y;
int[,,] z = new int[1,2,3];
var a = new[] { 0 };
}";
var options = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBetweenEmptySquareBrackets, false },
{ SpaceWithinSquareBrackets, false },
{ SpaceBeforeComma, false },
{ SpaceAfterComma, false },
};
await AssertFormatAsync(expected, code, changedOptionSet: options);
}
[Fact]
public async Task SpaceWithinEmptyBracketPrecedencesSpaceBeforeOrAfterComma_0001()
{
var code = @"
class Program
{
int[ ] x;
int[ , ] y;
int[ , , ] z = new int[1,2,3];
var a = new[ ] { 0 };
}";
var expected = @"
class Program
{
int[] x;
int[,] y;
int[,,] z = new int[1, 2, 3];
var a = new[] { 0 };
}";
var options = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBetweenEmptySquareBrackets, false },
{ SpaceWithinSquareBrackets, false },
{ SpaceBeforeComma, false },
{ SpaceAfterComma, true },
};
await AssertFormatAsync(expected, code, changedOptionSet: options);
}
[Fact]
public async Task SpaceWithinEmptyBracketPrecedencesSpaceBeforeOrAfterComma_0010()
{
var code = @"
class Program
{
int[ ] x;
int[ , ] y;
int[ , , ] z = new int[1,2,3];
var a = new[ ] { 0 };
}";
var expected = @"
class Program
{
int[] x;
int[,] y;
int[,,] z = new int[1 ,2 ,3];
var a = new[] { 0 };
}";
var options = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBetweenEmptySquareBrackets, false },
{ SpaceWithinSquareBrackets, false },
{ SpaceBeforeComma, true },
{ SpaceAfterComma, false },
};
await AssertFormatAsync(expected, code, changedOptionSet: options);
}
[Fact]
public async Task SpaceWithinEmptyBracketPrecedencesSpaceBeforeOrAfterComma_0011()
{
var code = @"
class Program
{
int[ ] x;
int[ , ] y;
int[ , , ] z = new int[1,2,3];
var a = new[ ] { 0 };
}";
var expected = @"
class Program
{
int[] x;
int[,] y;
int[,,] z = new int[1 , 2 , 3];
var a = new[] { 0 };
}";
var options = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBetweenEmptySquareBrackets, false },
{ SpaceWithinSquareBrackets, false },
{ SpaceBeforeComma, true },
{ SpaceAfterComma, true },
};
await AssertFormatAsync(expected, code, changedOptionSet: options);
}
[Fact]
public async Task SpaceWithinEmptyBracketPrecedencesSpaceBeforeOrAfterComma_0100()
{
var code = @"
class Program
{
int[ ] x;
int[, ] y;
int[, , ] z = new int[1,2,3];
var a = new[ ] { 0 };
}";
var expected = @"
class Program
{
int[] x;
int[,] y;
int[,,] z = new int[ 1,2,3 ];
var a = new[] { 0 };
}";
var options = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBetweenEmptySquareBrackets, false },
{ SpaceWithinSquareBrackets, true },
{ SpaceBeforeComma, false },
{ SpaceAfterComma, false },
};
await AssertFormatAsync(expected, code, changedOptionSet: options);
}
[Fact]
public async Task SpaceWithinEmptyBracketPrecedencesSpaceBeforeOrAfterComma_0101()
{
var code = @"
class Program
{
int[ ] x;
int[, ] y;
int[, , ] z = new int[1,2,3];
var a = new[ ] { 0 };
}";
var expected = @"
class Program
{
int[] x;
int[,] y;
int[,,] z = new int[ 1, 2, 3 ];
var a = new[] { 0 };
}";
var options = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBetweenEmptySquareBrackets, false },
{ SpaceWithinSquareBrackets, true },
{ SpaceBeforeComma, false },
{ SpaceAfterComma, true },
};
await AssertFormatAsync(expected, code, changedOptionSet: options);
}
[Fact]
public async Task SpaceWithinEmptyBracketPrecedencesSpaceBeforeOrAfterComma_0110()
{
var code = @"
class Program
{
int[ ] x;
int[, ] y;
int[, , ] z = new int[1,2,3];
var a = new[ ] { 0 };
}";
var expected = @"
class Program
{
int[] x;
int[,] y;
int[,,] z = new int[ 1 ,2 ,3 ];
var a = new[] { 0 };
}";
var options = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBetweenEmptySquareBrackets, false },
{ SpaceWithinSquareBrackets, true },
{ SpaceBeforeComma, true },
{ SpaceAfterComma, false },
};
await AssertFormatAsync(expected, code, changedOptionSet: options);
}
[Fact]
public async Task SpaceWithinEmptyBracketPrecedencesSpaceBeforeOrAfterComma_0111()
{
var code = @"
class Program
{
int[ ] x;
int[, ] y;
int[, , ] z = new int[1,2,3];
var a = new[ ] { 0 };
}";
var expected = @"
class Program
{
int[] x;
int[,] y;
int[,,] z = new int[ 1 , 2 , 3 ];
var a = new[] { 0 };
}";
var options = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBetweenEmptySquareBrackets, false },
{ SpaceWithinSquareBrackets, true },
{ SpaceBeforeComma, true },
{ SpaceAfterComma, true },
};
await AssertFormatAsync(expected, code, changedOptionSet: options);
}
[Fact]
public async Task SpaceWithinEmptyBracketPrecedencesSpaceBeforeOrAfterComma_1000()
{
var code = @"
class Program
{
int[] x;
int[ ,] y;
int[ , ,] z = new int[1,2,3];
var a = new[] { 0 };
}";
var expected = @"
class Program
{
int[ ] x;
int[ , ] y;
int[ , , ] z = new int[1,2,3];
var a = new[ ] { 0 };
}";
var options = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBetweenEmptySquareBrackets, true },
{ SpaceWithinSquareBrackets, false },
{ SpaceBeforeComma, false },
{ SpaceAfterComma, false },
};
await AssertFormatAsync(expected, code, changedOptionSet: options);
}
[Fact]
public async Task SpaceWithinEmptyBracketPrecedencesSpaceBeforeOrAfterComma_1001()
{
var code = @"
class Program
{
int[] x;
int[ ,] y;
int[ , ,] z = new int[1,2,3];
var a = new[] { 0 };
}";
var expected = @"
class Program
{
int[ ] x;
int[ , ] y;
int[ , , ] z = new int[1, 2, 3];
var a = new[ ] { 0 };
}";
var options = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBetweenEmptySquareBrackets, true },
{ SpaceWithinSquareBrackets, false },
{ SpaceBeforeComma, false },
{ SpaceAfterComma, true },
};
await AssertFormatAsync(expected, code, changedOptionSet: options);
}
[Fact]
public async Task SpaceWithinEmptyBracketPrecedencesSpaceBeforeOrAfterComma_1010()
{
var code = @"
class Program
{
int[] x;
int[ ,] y;
int[ , ,] z = new int[1,2,3];
var a = new[] { 0 };
}";
var expected = @"
class Program
{
int[ ] x;
int[ , ] y;
int[ , , ] z = new int[1 ,2 ,3];
var a = new[ ] { 0 };
}";
var options = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBetweenEmptySquareBrackets, true },
{ SpaceWithinSquareBrackets, false },
{ SpaceBeforeComma, true },
{ SpaceAfterComma, false },
};
await AssertFormatAsync(expected, code, changedOptionSet: options);
}
[Fact]
public async Task SpaceWithinEmptyBracketPrecedencesSpaceBeforeOrAfterComma_1011()
{
var code = @"
class Program
{
int[] x;
int[ ,] y;
int[ , ,] z = new int[1,2,3];
var a = new[] { 0 };
}";
var expected = @"
class Program
{
int[ ] x;
int[ , ] y;
int[ , , ] z = new int[1 , 2 , 3];
var a = new[ ] { 0 };
}";
var options = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBetweenEmptySquareBrackets, true },
{ SpaceWithinSquareBrackets, false },
{ SpaceBeforeComma, true },
{ SpaceAfterComma, true },
};
await AssertFormatAsync(expected, code, changedOptionSet: options);
}
[Fact]
public async Task SpaceWithinEmptyBracketPrecedencesSpaceBeforeOrAfterComma_1100()
{
var code = @"
class Program
{
int[ ] x;
int[ , ] y;
int[ , , ] z = new int[1,2,3];
var a = new[ ] { 0 };
}";
var expected = @"
class Program
{
int[ ] x;
int[ , ] y;
int[ , , ] z = new int[ 1,2,3 ];
var a = new[ ] { 0 };
}";
var options = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBetweenEmptySquareBrackets, true },
{ SpaceWithinSquareBrackets, true },
{ SpaceBeforeComma, false },
{ SpaceAfterComma, false },
};
await AssertFormatAsync(expected, code, changedOptionSet: options);
}
[Fact]
public async Task SpaceWithinEmptyBracketPrecedencesSpaceBeforeOrAfterComma_1101()
{
var code = @"
class Program
{
int[ ] x;
int[ , ] y;
int[ , , ] z = new int[1,2,3];
var a = new[ ] { 0 };
}";
var expected = @"
class Program
{
int[ ] x;
int[ , ] y;
int[ , , ] z = new int[ 1, 2, 3 ];
var a = new[ ] { 0 };
}";
var options = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBetweenEmptySquareBrackets, true },
{ SpaceWithinSquareBrackets, true },
{ SpaceBeforeComma, false },
{ SpaceAfterComma, true },
};
await AssertFormatAsync(expected, code, changedOptionSet: options);
}
[Fact]
public async Task SpaceWithinEmptyBracketPrecedencesSpaceBeforeOrAfterComma_1110()
{
var code = @"
class Program
{
int[ ] x;
int[ , ] y;
int[ , , ] z = new int[1,2,3];
var a = new[ ] { 0 };
}";
var expected = @"
class Program
{
int[ ] x;
int[ , ] y;
int[ , , ] z = new int[ 1 ,2 ,3 ];
var a = new[ ] { 0 };
}";
var options = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBetweenEmptySquareBrackets, true },
{ SpaceWithinSquareBrackets, true },
{ SpaceBeforeComma, true },
{ SpaceAfterComma, false },
};
await AssertFormatAsync(expected, code, changedOptionSet: options);
}
[Fact]
public async Task SpaceWithinEmptyBracketPrecedencesSpaceBeforeOrAfterComma_1111()
{
var code = @"
class Program
{
int[ ] x;
int[ , ] y;
int[ , , ] z = new int[1,2,3];
var a = new[ ] { 0 };
}";
var expected = @"
class Program
{
int[ ] x;
int[ , ] y;
int[ , , ] z = new int[ 1 , 2 , 3 ];
var a = new[ ] { 0 };
}";
var options = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBetweenEmptySquareBrackets, true },
{ SpaceWithinSquareBrackets, true },
{ SpaceBeforeComma, true },
{ SpaceAfterComma, true },
};
await AssertFormatAsync(expected, code, changedOptionSet: options);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/14128")]
public async Task SpaceBeforeCommasInLocalFunctionParameters()
{
var code = @"
class Program
{
void Goo()
{
void LocalFunction(int i, string s)
{
}
}
}";
var expected = @"
class Program
{
void Goo()
{
void LocalFunction(int i , string s)
{
}
}
}";
var options = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBeforeComma, true },
};
await AssertFormatAsync(expected, code, changedOptionSet: options);
}
[Fact]
public async Task ArrayDeclarationShouldFollowEmptySquareBrackets()
{
const string code = @"
class Program
{
var t = new Goo(new[ ] { ""a"", ""b"" });
}";
const string expected = @"
class Program
{
var t = new Goo(new[] { ""a"", ""b"" });
}";
var options = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.SpaceWithinSquareBrackets, true },
{ CSharpFormattingOptions2.SpaceBetweenEmptySquareBrackets, false }
};
await AssertFormatAsync(expected, code, changedOptionSet: options);
}
[Fact]
public async Task SquareBracesBefore_True()
{
var code = @"
class Program
{
int[] x;
}";
var expected = @"
class Program
{
int [] x;
}";
var options = new OptionsCollection(LanguageNames.CSharp) { { CSharpFormattingOptions2.SpaceBeforeOpenSquareBracket, true } };
await AssertFormatAsync(expected, code, changedOptionSet: options);
}
[Fact]
public async Task SquareBracesAndValue_True()
{
var code = @"
class Program
{
int[3] x;
}";
var expected = @"
class Program
{
int[ 3 ] x;
}";
var options = new OptionsCollection(LanguageNames.CSharp) { { CSharpFormattingOptions2.SpaceWithinSquareBrackets, true } };
await AssertFormatAsync(expected, code, changedOptionSet: options);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/917351")]
public async Task TestLockStatement()
{
var code = @"
class Program
{
public void Method()
{
lock (expression)
{
// goo
}
}
}";
var expected = @"
class Program
{
public void Method()
{
lock (expression) {
// goo
}
}
}";
var options = new OptionsCollection(LanguageNames.CSharp)
{
{ NewLineBeforeOpenBrace, NewLineBeforeOpenBrace.DefaultValue.WithFlagValue(NewLineBeforeOpenBracePlacement.ControlBlocks, false) }
};
await AssertFormatAsync(expected, code, changedOptionSet: options);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/962416")]
public async Task TestCheckedAndUncheckedStatement()
{
var code = @"
class Program
{
public void Method()
{
checked
{
// goo
}
unchecked
{
}
}
}";
var expected = @"
class Program
{
public void Method()
{
checked {
// goo
}
unchecked {
}
}
}";
var options = new OptionsCollection(LanguageNames.CSharp)
{
{ NewLineBeforeOpenBrace , NewLineBeforeOpenBrace.DefaultValue.WithFlagValue(NewLineBeforeOpenBracePlacement.ControlBlocks, false) }
};
await AssertFormatAsync(expected, code, changedOptionSet: options);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/953535")]
public async Task ConditionalMemberAccess()
{
var code = @"
using System;
class A
{
public A a;
}
class Program
{
static void Main(string[] args)
{
A a = null;
A ?.a = null;
System.Console.WriteLine(args ?[0]);
System.Console.WriteLine(args ?.Length);
}
}";
var expected = @"
using System;
class A
{
public A a;
}
class Program
{
static void Main(string[] args)
{
A a = null;
A?.a = null;
System.Console.WriteLine(args?[0]);
System.Console.WriteLine(args?.Length);
}
}";
var parseOptions = new CSharpParseOptions();
await AssertFormatAsync(expected, code, parseOptions: parseOptions);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/924172")]
public async Task IgnoreSpacesInDeclarationStatementEnabled()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.SpacesIgnoreAroundVariableDeclaration, true }
};
var code = @"
class Program
{
static void Main(string[] args)
{
int s;
}
}";
var expected = @"
class Program
{
static void Main(string[] args)
{
int s;
}
}";
await AssertFormatAsync(expected, code, changedOptionSet: changingOptions);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/899492")]
public async Task CommentIsLeadingTriviaOfStatementNotLabel()
{
var code = @"
class C
{
void M()
{
label:
// comment
M();
M();
}
}";
var expected = @"
class C
{
void M()
{
label:
// comment
M();
M();
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/991547")]
public async Task DoNotWrappingTryCatchFinallyIfOnSingleLine()
{
var code = @"
class C
{
void M()
{
try { }
catch { }
finally { }
}
}";
var expected = @"
class C
{
void M()
{
try { }
catch { }
finally { }
}
}";
await AssertFormatAsync(expected, code);
}
[Fact]
public async Task InterpolatedStrings1()
{
var code = @"
class C
{
void M()
{
var a = ""World"";
var b = $""Hello, {a}"";
}
}";
var expected = @"
class C
{
void M()
{
var a = ""World"";
var b = $""Hello, {a}"";
}
}";
await AssertFormatAsync(expected, code);
}
[Fact]
public async Task InterpolatedStrings2()
{
var code = @"
class C
{
void M()
{
var a = ""Hello"";
var b = ""World"";
var c = $""{a}, {b}"";
}
}";
var expected = @"
class C
{
void M()
{
var a = ""Hello"";
var b = ""World"";
var c = $""{a}, {b}"";
}
}";
await AssertFormatAsync(expected, code);
}
[Fact]
public async Task InterpolatedStrings3()
{
var code = @"
class C
{
void M()
{
var a = ""World"";
var b = $""Hello, { a }"";
}
}";
var expected = @"
class C
{
void M()
{
var a = ""World"";
var b = $""Hello, {a}"";
}
}";
await AssertFormatAsync(expected, code);
}
[Fact]
public async Task InterpolatedRawStrings3()
{
var code = @"
class C
{
void M()
{
var a = ""World"";
var b = $""""""Hello, { a }"""""";
}
}";
var expected = @"
class C
{
void M()
{
var a = ""World"";
var b = $""""""Hello, {a}"""""";
}
}";
await AssertFormatAsync(expected, code);
}
[Fact]
public async Task InterpolatedStrings4()
{
var code = @"
class C
{
void M()
{
var a = ""Hello"";
var b = ""World"";
var c = $""{ a }, { b }"";
}
}";
var expected = @"
class C
{
void M()
{
var a = ""Hello"";
var b = ""World"";
var c = $""{a}, {b}"";
}
}";
await AssertFormatAsync(expected, code);
}
[Fact]
public async Task InterpolatedStrings5()
{
var code = @"
class C
{
void M()
{
var a = ""World"";
var b = $@""Hello, {a}"";
}
}";
var expected = @"
class C
{
void M()
{
var a = ""World"";
var b = $@""Hello, {a}"";
}
}";
await AssertFormatAsync(expected, code);
}
[Fact]
public async Task InterpolatedStrings6()
{
var code = @"
class C
{
void M()
{
var a = ""Hello"";
var b = ""World"";
var c = $@""{a}, {b}"";
}
}";
var expected = @"
class C
{
void M()
{
var a = ""Hello"";
var b = ""World"";
var c = $@""{a}, {b}"";
}
}";
await AssertFormatAsync(expected, code);
}
[Fact]
public async Task InterpolatedStrings7()
{
var code = @"
class C
{
void M()
{
var a = ""World"";
var b = $@""Hello, { a }"";
}
}";
var expected = @"
class C
{
void M()
{
var a = ""World"";
var b = $@""Hello, {a}"";
}
}";
await AssertFormatAsync(expected, code);
}
[Fact]
public async Task InterpolatedStrings8()
{
var code = @"
class C
{
void M()
{
var a = ""Hello"";
var b = ""World"";
var c = $@""{ a }, { b }"";
}
}";
var expected = @"
class C
{
void M()
{
var a = ""Hello"";
var b = ""World"";
var c = $@""{a}, {b}"";
}
}";
await AssertFormatAsync(expected, code);
}
[Fact]
public async Task InterpolatedStrings9()
{
var code = @"
class C
{
void M()
{
var a = ""Hello"";
var c = $""{ a }, World"";
}
}";
var expected = @"
class C
{
void M()
{
var a = ""Hello"";
var c = $""{a}, World"";
}
}";
await AssertFormatAsync(expected, code);
}
[Fact]
public async Task InterpolatedStrings10()
{
var code = @"
class C
{
void M()
{
var s = $""{42 , -4 :x}"";
}
}";
var expected = @"
class C
{
void M()
{
var s = $""{42,-4:x}"";
}
}";
await AssertFormatAsync(expected, code);
}
[Fact]
public async Task InterpolatedRawStrings10()
{
var code = @"
class C
{
void M()
{
var s = $""""""{42 , -4 :x}"""""";
}
}";
var expected = @"
class C
{
void M()
{
var s = $""""""{42,-4:x}"""""";
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/59811")]
public async Task InterpolatedStrings11()
{
var code = @"
class C
{
void M()
{
var hostAddress = ""host"";
var nasTypeId = ""nas"";
var version = ""1.2"";
var c = $""{ hostAddress?? """"}/{nasTypeId }/{version??""""}"";
}
}";
var expected = @"
class C
{
void M()
{
var hostAddress = ""host"";
var nasTypeId = ""nas"";
var version = ""1.2"";
var c = $""{hostAddress ?? """"}/{nasTypeId}/{version ?? """"}"";
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/59811")]
public async Task InterpolatedStrings12()
{
var code = @"
class C
{
void M()
{
var a = 1.2M;
var c = $""{ a : 000.00 }"";
}
}";
var expected = @"
class C
{
void M()
{
var a = 1.2M;
var c = $""{a: 000.00 }"";
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/59811")]
public async Task InterpolatedStrings13()
{
var code = @"
class C
{
void M()
{
var a = 1.2M;
var c = $""{ (a > 2?""a"":""b""}"";
}
}";
var expected = @"
class C
{
void M()
{
var a = 1.2M;
var c = $""{(a > 2 ? ""a"" : ""b""}"";
}
}";
await AssertFormatAsync(expected, code);
}
[Fact]
public async Task InterpolatedStrings14()
{
var code = @"
class C
{
void M()
{
var s = $""{ 42 , -4 :x}"";
}
}";
var expected = @"
class C
{
void M()
{
var s = $""{42,-4:x}"";
}
}";
await AssertFormatAsync(expected, code);
}
[Fact]
public async Task InterpolatedStrings15()
{
var code = @"
class C
{
void M()
{
var s = $""{ 42 , -4 }"";
}
}";
var expected = @"
class C
{
void M()
{
var s = $""{42,-4}"";
}
}";
await AssertFormatAsync(expected, code);
}
[Fact]
public async Task InterpolatedStrings16()
{
var code = @"
class C
{
void M()
{
var s = $""{ 42 , -4 : x }"";
}
}";
var expected = @"
class C
{
void M()
{
var s = $""{42,-4: x }"";
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/1151")]
[WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/1041787")]
public async Task ReconstructWhitespaceStringUsingTabs_SingleLineComment()
{
var optionSet = new OptionsCollection(LanguageNames.CSharp) { { FormattingOptions2.UseTabs, true } };
await AssertFormatAsync(@"using System;
class Program
{
static void Main(string[] args)
{
Console.WriteLine(""""); // GooBar
}
}", @"using System;
class Program
{
static void Main(string[] args)
{
Console.WriteLine(""""); // GooBar
}
}", optionSet);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/1151")]
[WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/961559")]
[WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/1041787")]
public async Task ReconstructWhitespaceStringUsingTabs_MultiLineComment()
{
var optionSet = new OptionsCollection(LanguageNames.CSharp) { { FormattingOptions2.UseTabs, true } };
await AssertFormatAsync(@"using System;
class Program
{
static void Main(string[] args)
{
Console.WriteLine(""""); /* GooBar */
}
}", @"using System;
class Program
{
static void Main(string[] args)
{
Console.WriteLine(""""); /* GooBar */
}
}", optionSet);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/1100920")]
public async Task NoLineOperationAroundInterpolationSyntax()
{
await AssertFormatAsync(@"class Program
{
static string F(int a, int b, int c)
{
return $""{a} (index: 0x{b}, size: {c}): ""
}
}", @"class Program
{
static string F(int a, int b, int c)
{
return $""{a} (index: 0x{ b}, size: { c}): ""
}
}");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/62")]
public async Task SpaceAfterWhenInExceptionFilter()
{
const string expected = @"class C
{
void M()
{
try
{
if (x)
{
G();
}
}
catch (Exception e) when (H(e))
{
}
}
}";
const string code = @"class C
{
void M()
{
try
{
if(x){
G();
}
}
catch(Exception e) when (H(e))
{
}
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/1089196")]
[WorkItem("https://github.com/dotnet/roslyn/issues/285")]
public async Task FormatHashInBadDirectiveToZeroColumnAnywhereInsideIfDef()
{
const string code = @"class MyClass
{
static void Main(string[] args)
{
#if false
#
#endif
}
}";
const string expected = @"class MyClass
{
static void Main(string[] args)
{
#if false
#
#endif
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/1089196")]
[WorkItem("https://github.com/dotnet/roslyn/issues/285")]
public async Task FormatHashElseToZeroColumnAnywhereInsideIfDef()
{
const string code = @"class MyClass
{
static void Main(string[] args)
{
#if false
#else
Appropriate indentation should be here though #
#endif
}
}";
const string expected = @"class MyClass
{
static void Main(string[] args)
{
#if false
#else
Appropriate indentation should be here though #
#endif
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/1089196")]
[WorkItem("https://github.com/dotnet/roslyn/issues/285")]
public async Task FormatHashsToZeroColumnAnywhereInsideIfDef()
{
const string code = @"class MyClass
{
static void Main(string[] args)
{
#if false
#else
#
#endif
}
}";
const string expected = @"class MyClass
{
static void Main(string[] args)
{
#if false
#else
#
#endif
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/1118")]
public void DoNotAssumeCertainNodeAreAlwaysParented()
{
var block = SyntaxFactory.Block();
Formatter.Format(block, new AdhocWorkspace().Services.SolutionServices, CSharpSyntaxFormattingOptions.Default, CancellationToken.None);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/776")]
public async Task SpacingRulesAroundMethodCallAndParenthesisAppliedInAttributeNonDefault()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.SpaceAfterMethodCallName, true },
{ CSharpFormattingOptions2.SpaceBetweenEmptyMethodCallParentheses, true },
{ CSharpFormattingOptions2.SpaceWithinMethodCallParentheses, true }
};
await AssertFormatAsync(@"[Obsolete ( ""Test"" ), Obsolete ( )]
class Program
{
static void Main(string[] args)
{
}
}", @"[Obsolete(""Test""), Obsolete()]
class Program
{
static void Main(string[] args)
{
}
}", changingOptions);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/776")]
public async Task SpacingRulesAroundMethodCallAndParenthesisAppliedInAttribute()
{
var code = @"[Obsolete(""Test""), Obsolete()]
class Program
{
static void Main(string[] args)
{
}
}";
await AssertFormatAsync(code, code);
}
[Fact]
public async Task SpacingInMethodCallArguments_True()
{
const string code = @"
[Bar(A=1,B=2)]
class Program
{
public void goo()
{
var a = typeof(A);
var b = M(a);
var c = default(A);
var d = sizeof(A);
M();
}
}";
const string expected = @"
[Bar ( A = 1, B = 2 )]
class Program
{
public void goo()
{
var a = typeof ( A );
var b = M ( a );
var c = default ( A );
var d = sizeof ( A );
M ( );
}
}";
var optionSet = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.SpaceWithinMethodCallParentheses, true },
{ CSharpFormattingOptions2.SpaceAfterMethodCallName, true },
{ CSharpFormattingOptions2.SpaceBetweenEmptyMethodCallParentheses, true },
};
await AssertFormatAsync(expected, code, changedOptionSet: optionSet);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/1298")]
public async Task DoNotforceAccessorsToNewLineWithPropertyInitializers()
{
var code = @"using System.Collections.Generic;
class Program
{
public List<ExcludeValidation> ValidationExcludeFilters { get; }
= new List<ExcludeValidation>();
}
public class ExcludeValidation
{
}";
var expected = @"using System.Collections.Generic;
class Program
{
public List<ExcludeValidation> ValidationExcludeFilters { get; }
= new List<ExcludeValidation>();
}
public class ExcludeValidation
{
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/1339")]
public async Task DoNotFormatAutoPropertyInitializerIfNotDifferentLine()
{
var code = @"class Program
{
public int d { get; }
= 3;
static void Main(string[] args)
{
}
}";
await AssertFormatAsync(code, code);
}
[Fact]
public async Task SpacingForForStatementInfiniteLoop()
{
var code = @"
class Program
{
void Main()
{
for ( ;;)
{
}
}
}";
var expected = @"
class Program
{
void Main()
{
for (; ; )
{
}
}
}";
await AssertFormatAsync(expected, code);
}
[Fact]
public async Task SpacingForForStatementInfiniteLoopWithNoSpaces()
{
var code = @"
class Program
{
void Main()
{
for ( ; ; )
{
}
}
}";
var expected = @"
class Program
{
void Main()
{
for (;;)
{
}
}
}";
var optionSet = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.SpaceAfterSemicolonsInForStatement, false },
};
await AssertFormatAsync(expected, code, changedOptionSet: optionSet);
}
[Fact]
public async Task SpacingForForStatementInfiniteLoopWithSpacesBefore()
{
var code = @"
class Program
{
void Main()
{
for (;; )
{
}
}
}";
var expected = @"
class Program
{
void Main()
{
for ( ; ;)
{
}
}
}";
var optionSet = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.SpaceBeforeSemicolonsInForStatement, true },
{ CSharpFormattingOptions2.SpaceAfterSemicolonsInForStatement, false },
};
await AssertFormatAsync(expected, code, changedOptionSet: optionSet);
}
[Fact]
public async Task SpacingForForStatementInfiniteLoopWithSpacesBeforeAndAfter()
{
var code = @"
class Program
{
void Main()
{
for (;;)
{
}
}
}";
var expected = @"
class Program
{
void Main()
{
for ( ; ; )
{
}
}
}";
var optionSet = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.SpaceBeforeSemicolonsInForStatement, true },
};
await AssertFormatAsync(expected, code, changedOptionSet: optionSet);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/4240")]
[WorkItem("https://github.com/dotnet/roslyn/issues/4421")]
public async Task VerifySpacingAfterMethodDeclarationName_Default()
{
var code = @"class Program<T>
{
public static Program operator + (Program p1, Program p2) { return null; }
public static implicit operator string (Program p) { return null; }
public static void M () { }
public void F<T> () { }
}";
var expected = @"class Program<T>
{
public static Program operator +(Program p1, Program p2) { return null; }
public static implicit operator string(Program p) { return null; }
public static void M() { }
public void F<T>() { }
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/4421")]
[WorkItem("https://github.com/dotnet/roslyn/issues/4240")]
public async Task VerifySpacingAfterMethodDeclarationName_NonDefault()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.SpacingAfterMethodDeclarationName, true }
};
var code = @"class Program<T>
{
public static Program operator + (Program p1, Program p2) { return null; }
public static implicit operator string (Program p) { return null; }
public static void M () { }
public void F<T> () { }
}";
var expected = @"class Program<T>
{
public static Program operator + (Program p1, Program p2) { return null; }
public static implicit operator string (Program p) { return null; }
public static void M () { }
public void F<T> () { }
}";
await AssertFormatAsync(expected, code, changedOptionSet: changingOptions);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/939")]
public async Task DoNotFormatInsideArrayInitializers()
{
var code = @"class Program
{
static void Main(string[] args)
{
int[] sss = new[] {
//Comment1
2,
5, 324534, 345345,
//Comment2
//This comment should not line up with the previous comment
234234
//Comment3
, 234,
234234
/*
This is a multiline comment
*/
//Comment4
};
}
}";
await AssertFormatAsync(code, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/4280")]
[WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/1184285")]
public async Task FormatDictionaryInitializers()
{
var code = @"class Program
{
void Main()
{
var sample = new Dictionary<string, string> {[""x""] = ""d"" ,[""z""] = ""XX"" };
}
}";
var expected = @"class Program
{
void Main()
{
var sample = new Dictionary<string, string> { [""x""] = ""d"", [""z""] = ""XX"" };
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/3256")]
public async Task SwitchSectionHonorsNewLineForBracesinControlBlockOption_Default()
{
var code = @"class Program
{
public void goo()
{
int f = 1;
switch (f) {
case 1: {
// DO nothing
break;
}
}
}
}";
var expected = @"class Program
{
public void goo()
{
int f = 1;
switch (f)
{
case 1:
{
// DO nothing
break;
}
}
}
}";
await AssertFormatAsync(expected, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/3256")]
public async Task SwitchSectionHonorsNewLineForBracesinControlBlockOption_NonDefault()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ NewLineBeforeOpenBrace, NewLineBeforeOpenBrace.DefaultValue.WithFlagValue(NewLineBeforeOpenBracePlacement.ControlBlocks, false) }
};
var code = @"class Program
{
public void goo()
{
int f = 1;
switch (f)
{
case 1:
{
// DO nothing
break;
}
}
}
}";
var expected = @"class Program
{
public void goo()
{
int f = 1;
switch (f) {
case 1: {
// DO nothing
break;
}
}
}
}";
await AssertFormatAsync(expected, code, changedOptionSet: changingOptions);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/4014")]
public async Task FormattingCodeWithMissingTokensShouldRespectFormatTabsOption1()
{
var optionSet = new OptionsCollection(LanguageNames.CSharp) { { FormattingOptions2.UseTabs, true } };
await AssertFormatAsync(@"class Program
{
static void Main()
{
return // Note the missing semicolon
} // The tab here should stay a tab
}", @"class Program
{
static void Main()
{
return // Note the missing semicolon
} // The tab here should stay a tab
}", changedOptionSet: optionSet);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/4014")]
public async Task FormattingCodeWithMissingTokensShouldRespectFormatTabsOption2()
{
var optionSet = new OptionsCollection(LanguageNames.CSharp) { { FormattingOptions2.UseTabs, true } };
await AssertFormatAsync(@"struct Goo
{
private readonly string bar;
public Goo(readonly string bar)
{
}
}", @"struct Goo
{
private readonly string bar;
public Goo(readonly string bar)
{
}
}", changedOptionSet: optionSet);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/4014")]
public async Task FormattingCodeWithBrokenLocalDeclarationShouldRespectFormatTabsOption()
{
var optionSet = new OptionsCollection(LanguageNames.CSharp) { { FormattingOptions2.UseTabs, true } };
await AssertFormatAsync(@"class AClass
{
void AMethod(Object anArgument)
{
if (anArgument == null)
{
throw new ArgumentNullException(nameof(anArgument));
}
anArgument
DoSomething();
}
void DoSomething()
{
}
}", @"class AClass
{
void AMethod(Object anArgument)
{
if (anArgument == null)
{
throw new ArgumentNullException(nameof(anArgument));
}anArgument
DoSomething();
}
void DoSomething()
{
}
}", changedOptionSet: optionSet);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/4014")]
public async Task FormattingCodeWithBrokenInterpolatedStringShouldRespectFormatTabsOption()
{
var optionSet = new OptionsCollection(LanguageNames.CSharp) { { FormattingOptions2.UseTabs, true } };
await AssertFormatAsync(@"class AClass
{
void Main()
{
Test($""\""_{\"""");
Console.WriteLine(args);
}
}", @"class AClass
{
void Main()
{
Test($""\""_{\"""");
Console.WriteLine(args);
}
}", changedOptionSet: optionSet);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/84")]
[WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/849870")]
public async Task NewLinesForBracesInPropertiesTest()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ NewLineBeforeOpenBrace, NewLineBeforeOpenBrace.DefaultValue.WithFlagValue(NewLineBeforeOpenBracePlacement.Properties, false) },
};
await AssertFormatAsync(@"class Class2
{
int Goo {
get
{
return 1;
}
}
int MethodGoo()
{
return 42;
}
}", @"class Class2
{
int Goo
{
get
{
return 1;
}
}
int MethodGoo()
{
return 42;
}
}", changingOptions);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/849870")]
[WorkItem("https://github.com/dotnet/roslyn/issues/84")]
public async Task NewLinesForBracesInAccessorsTest()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ NewLineBeforeOpenBrace, NewLineBeforeOpenBrace.DefaultValue.WithFlagValue(NewLineBeforeOpenBracePlacement.Accessors, false) },
};
await AssertFormatAsync(@"class Class2
{
int Goo
{
get {
return 1;
}
}
int MethodGoo()
{
return 42;
}
}", @"class Class2
{
int Goo
{
get
{
return 1;
}
}
int MethodGoo()
{
return 42;
}
}", changingOptions);
}
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/849870")]
[WorkItem("https://github.com/dotnet/roslyn/issues/84")]
public async Task NewLinesForBracesInPropertiesAndAccessorsTest()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ NewLineBeforeOpenBrace, NewLineBeforeOpenBrace.DefaultValue
.WithFlagValue(NewLineBeforeOpenBracePlacement.Properties, false)
.WithFlagValue(NewLineBeforeOpenBracePlacement.Accessors, false)},
};
await AssertFormatAsync(@"class Class2
{
int Goo {
get {
return 1;
}
}
int MethodGoo()
{
return 42;
}
}", @"class Class2
{
int Goo
{
get
{
return 1;
}
}
int MethodGoo()
{
return 42;
}
}", changingOptions);
}
[Fact, WorkItem(111079, "devdiv.visualstudio.com")]
public async Task TestThrowInIfOnSingleLine()
{
var code = @"
class C
{
void M()
{
if (true) throw new Exception(
""message"");
}
}
";
await AssertFormatAsync(code, code);
}
[Fact, WorkItem("https://connect.microsoft.com/VisualStudio/feedback/details/1711675/autoformatting-issues")]
public async Task SingleLinePropertiesPreservedWithLeaveStatementsAndMembersOnSingleLineFalse()
{
var changedOptionSet = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.WrappingPreserveSingleLine, true },
{ CSharpFormattingOptions2.WrappingKeepStatementsOnSingleLine, false},
};
await AssertFormatAsync(@"
class C
{
string Name { get; set; }
}", @"
class C
{
string Name { get ; set ; }
}", changedOptionSet: changedOptionSet);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/4720")]
public async Task KeepAccessorWithAttributeOnSingleLine()
{
await AssertFormatAsync(@"
class Program
{
public Int32 PaymentMethodID
{
[System.Diagnostics.DebuggerStepThrough]
get { return 10; }
}
}", @"
class Program
{
public Int32 PaymentMethodID
{
[System.Diagnostics.DebuggerStepThrough]
get { return 10; }
}
}");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/6905")]
public async Task KeepConstructorBodyInSameLineAsBaseConstructorInitializer()
{
var code = @"
class C
{
public C(int s)
: base() { }
public C()
{
}
}";
await AssertFormatAsync(code, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/6905")]
public async Task KeepConstructorBodyInSameLineAsThisConstructorInitializer()
{
var code = @"
class C
{
public C(int s)
: this() { }
public C()
{
}
}";
await AssertFormatAsync(code, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/6905")]
public async Task KeepConstructorBodyInSameLineAsThisConstructorInitializerAdjustSpace()
{
await AssertFormatAsync(@"
class C
{
public C(int s)
: this() { }
public C()
{
}
}", @"
class C
{
public C(int s)
: this() { }
public C()
{
}
}");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/4720")]
public async Task OneSpaceBetweenAccessorsAndAttributes()
{
await AssertFormatAsync(@"
class Program
{
public int SomeProperty { [SomeAttribute] get; [SomeAttribute] private set; }
}", @"
class Program
{
public int SomeProperty { [SomeAttribute] get; [SomeAttribute] private set; }
}");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/7900")]
public async Task FormatEmbeddedStatementInsideLockStatement()
{
await AssertFormatAsync(@"
class C
{
private object _l = new object();
public void M()
{
lock (_l) Console.WriteLine(""d"");
}
}", @"
class C
{
private object _l = new object();
public void M()
{
lock (_l) Console.WriteLine(""d"");
}
}");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/7900")]
public async Task FormatEmbeddedStatementInsideLockStatementDifferentLine()
{
await AssertFormatAsync(@"
class C
{
private object _l = new object();
public void M()
{
lock (_l)
Console.WriteLine(""d"");
}
}", @"
class C
{
private object _l = new object();
public void M()
{
lock (_l)
Console.WriteLine(""d"");
}
}");
}
[Fact]
public async Task PropertyDeclarationSimple()
{
var expected = @"if (o is Point p)";
await AssertFormatBodyAsync(expected, expected);
await AssertFormatBodyAsync(expected, @"if (o is Point p)");
await AssertFormatBodyAsync(expected, @"if (o is Point p )");
}
[Fact]
public async Task PropertyDeclarationTypeOnNewLine()
{
var expected = @"
var y = o is
Point p;";
await AssertFormatBodyAsync(expected, expected);
await AssertFormatBodyAsync(expected, @"
var y = o is
Point p; ");
await AssertFormatBodyAsync(expected, @"
var y = o is
Point p ;");
await AssertFormatBodyAsync(expected, @"
var y = o is
Point p ;");
}
[Fact]
public async Task CasePatternDeclarationSimple()
{
var expected = @"
switch (o)
{
case Point p:
}";
await AssertFormatBodyAsync(expected, expected);
await AssertFormatBodyAsync(expected, @"
switch (o)
{
case Point p :
}");
await AssertFormatBodyAsync(expected, @"
switch (o)
{
case Point p :
}");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/23703")]
public async Task FormatNullableArray()
{
var code = @"
class C
{
object[]? F = null;
}";
await AssertFormatAsync(code, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/23703")]
public async Task FormatConditionalWithArrayAccess()
{
var code = @"
class C
{
void M()
{
_ = array[1] ? 2 : 3;
}
}";
await AssertFormatAsync(code, code);
}
private Task AssertFormatBodyAsync(string expected, string input)
{
static string transform(string s)
{
var lines = s.Split(new[] { Environment.NewLine }, StringSplitOptions.None);
for (var i = 0; i < lines.Length; i++)
{
if (!string.IsNullOrEmpty(lines[i]))
{
lines[i] = new string(' ', count: 8) + lines[i];
}
}
return string.Join(Environment.NewLine, lines);
}
var pattern = @"
class C
{{
void M()
{{
{0}
}}
}}";
expected = string.Format(pattern, transform(expected));
input = string.Format(pattern, transform(input));
return AssertFormatAsync(expected, input);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/6628")]
public async Task FormatElseBlockBracesOnDifferentLineToNewLines()
{
await AssertFormatAsync(@"
class C
{
public void M()
{
if (true)
{
}
else
{
}
}
}", @"
class C
{
public void M()
{
if (true)
{
}
else {
}
}
}");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/6628")]
public async Task FormatOnElseBlockBracesOnSameLineRemainsInSameLine_1()
{
var code = @"
class C
{
public void M()
{
if (true)
{
}
else { }
}
}";
await AssertFormatAsync(code, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/11572")]
public async Task FormatAttributeOnSameLineAsField()
{
await AssertFormatAsync(
@"
class C
{
[Attr] int i;
}",
@"
class C {
[Attr] int i;
}");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/21789")]
public async Task FormatMultipleAttributeOnSameLineAsField1()
{
await AssertFormatAsync(
@"
class C
{
[Attr1]
[Attr2]
[Attr3][Attr4] int i;
}",
@"
class C {
[Attr1]
[Attr2]
[Attr3][Attr4] int i;
}");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/21789")]
public async Task FormatMultipleAttributesOnSameLineAsField2()
{
await AssertFormatAsync(
@"
class C
{
[Attr1]
[Attr2]
[Attr3][Attr4] int i;
}",
@"
class C {
[Attr1][Attr2]
[Attr3][Attr4] int i;
}");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/21789")]
public async Task FormatMultipleAttributeOnSameLineAndFieldOnNewLine()
{
await AssertFormatAsync(
@"
class C
{
[Attr1]
[Attr2]
int i;
}",
@"
class C {
[Attr1][Attr2]
int i;
}");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/6628")]
public async Task FormatOnElseBlockBracesOnSameLineRemainsInSameLine_2()
{
var code = @"
class C
{
public void M()
{
if (true)
{
}
else
{ }
}
}";
await AssertFormatAsync(code, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/25098")]
public void FormatSingleStructDeclaration()
=> Formatter.Format(SyntaxFactory.StructDeclaration("S"), DefaultWorkspace.Services.SolutionServices, CSharpSyntaxFormattingOptions.Default, CancellationToken.None);
[Fact]
public async Task FormatIndexExpression()
{
await AssertFormatAsync(@"
class C
{
void M()
{
object x = ^1;
object y = ^1
}
}", @"
class C
{
void M()
{
object x = ^1;
object y = ^1
}
}");
}
[Fact]
public async Task FormatRangeExpression_NoOperands()
{
await AssertFormatAsync(@"
class C
{
void M()
{
object x = ..;
object y = ..
}
}", @"
class C
{
void M()
{
object x = ..;
object y = ..
}
}");
}
[Fact]
public async Task FormatRangeExpression_RightOperand()
{
await AssertFormatAsync(@"
class C
{
void M()
{
object x = ..1;
object y = ..1
}
}", @"
class C
{
void M()
{
object x = ..1;
object y = ..1
}
}");
}
[Fact]
public async Task FormatRangeExpression_LeftOperand()
{
await AssertFormatAsync(@"
class C
{
void M()
{
object x = 1..;
object y = 1..
}
}", @"
class C
{
void M()
{
object x = 1..;
object y = 1..
}
}");
}
[Fact]
public async Task FormatRangeExpression_BothOperands()
{
await AssertFormatAsync(@"
class C
{
void M()
{
object x = 1..2;
object y = 1..2
}
}", @"
class C
{
void M()
{
object x = 1..2;
object y = 1..2
}
}");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/32113")]
public async Task FormatCommaAfterCloseBrace_CommaRemainIntheSameLine()
{
await AssertFormatAsync(
@"
public class Test
{
public void Foo()
{
(Action, Action, Action) tuple = (
() => { Console.WriteLine(2.997e8); },
() => { Console.WriteLine(6.67e-11); },
() => { Console.WriteLine(1.602e-19); }
);
}
}",
@"
public class Test
{
public void Foo()
{
(Action, Action, Action) tuple = (
() => { Console.WriteLine(2.997e8); },
() => { Console.WriteLine(6.67e-11); },
() => { Console.WriteLine(1.602e-19); }
);
}
}");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/32113")]
public async Task FormatCommaAfterCloseBrace_SpaceSurroundWillBeRemoved()
{
await AssertFormatAsync(
@"
public class Test
{
public void Foo()
{
(Action, Action, Action) tuple = (
() => { Console.WriteLine(2.997e8); },
() => { Console.WriteLine(6.67e-11); },
() => { Console.WriteLine(1.602e-19); }
);
}
}",
@"
public class Test
{
public void Foo()
{
(Action, Action, Action) tuple = (
() => { Console.WriteLine(2.997e8); } ,
() => { Console.WriteLine(6.67e-11); } ,
() => { Console.WriteLine(1.602e-19); }
);
}
}");
}
[Theory, WorkItem("https://github.com/dotnet/roslyn/issues/31571")]
[WorkItem("https://github.com/dotnet/roslyn/issues/33910")]
[CombinatorialData]
public async Task ConversionOperator_CorrectlySpaceArgumentList(
[CombinatorialValues("implicit", "explicit")] string operatorType,
[CombinatorialValues("string", "string[]", "System.Action<int>", "int?", "int*", "(int, int)")] string targetType,
bool spacingAfterMethodDeclarationName)
{
var expectedSpacing = spacingAfterMethodDeclarationName ? " " : "";
var initialSpacing = spacingAfterMethodDeclarationName ? "" : " ";
var changedOptionSet = new OptionsCollection(LanguageNames.CSharp) { { SpacingAfterMethodDeclarationName, spacingAfterMethodDeclarationName } };
await AssertFormatAsync(
$@"
public unsafe class Test
{{
public static {operatorType} operator {targetType}{expectedSpacing}() => throw null;
}}",
$@"
public unsafe class Test
{{
public static {operatorType} operator {targetType}{initialSpacing}() => throw null;
}}",
changedOptionSet: changedOptionSet);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/31868")]
public async Task SpaceAroundDeclaration()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.SpacesIgnoreAroundVariableDeclaration, true }
};
await AssertFormatAsync(
@"
class Program
{
public void FixMyType()
{
var myint = 0;
}
}",
@"
class Program
{
public void FixMyType()
{
var myint = 0;
}
}", changedOptionSet: changingOptions);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/31868")]
public async Task SpaceAroundDeclarationAndPreserveSingleLine()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.SpacesIgnoreAroundVariableDeclaration, true },
{ CSharpFormattingOptions2.WrappingKeepStatementsOnSingleLine, false }
};
await AssertFormatAsync(
@"
class Program
{
public void FixMyType()
{
var myint = 0;
}
}",
@"
class Program
{
public void FixMyType()
{
var myint = 0;
}
}", changedOptionSet: changingOptions);
}
[Fact]
public async Task ClassConstraint()
{
await AssertFormatAsync(
@"
class Program<T>
where T : class?
{
}",
@"
class Program<T>
where T : class ?
{
}");
}
[Fact]
public async Task SingleLinePropertyPattern1()
{
await AssertFormatAsync(
@"
using System.Collections.Generic;
class Program
{
public void FixMyType()
{
_ = new List<int>() is
{
Count: { },
};
}
}",
@"
using System.Collections.Generic;
class Program
{
public void FixMyType()
{
_ = new List<int>() is
{
Count:{},
};
}
}");
}
[Fact]
public async Task SingleLinePropertyPattern2()
{
await AssertFormatAsync(
@"
using System.Collections.Generic;
class Program
{
public void FixMyType(object o)
{
_ = o is List<int> { Count: { } };
}
}",
@"
using System.Collections.Generic;
class Program
{
public void FixMyType(object o)
{
_ = o is List<int>{Count:{}};
}
}");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/37030")]
public async Task SpaceAroundEnumMemberDeclarationIgnored()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.SpacesIgnoreAroundVariableDeclaration, true }
};
await AssertFormatAsync(
@"
enum TestEnum
{
Short = 1,
LongItemName = 2
}",
@"
enum TestEnum
{
Short = 1,
LongItemName = 2
}", changedOptionSet: changingOptions);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/37030")]
public async Task SpaceAroundEnumMemberDeclarationSingle()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ CSharpFormattingOptions2.SpacesIgnoreAroundVariableDeclaration, false }
};
await AssertFormatAsync(
@"
enum TestEnum
{
Short = 1,
LongItemName = 2
}",
@"
enum TestEnum
{
Short = 1,
LongItemName = 2
}", changedOptionSet: changingOptions);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/38895")]
public async Task FormattingNbsp()
{
await AssertFormatAsync(
@"
class C
{
List<C> list = new List<C>
{
new C()
};
}",
@"
class C
{
List<C> list = new List<C>
{
new C()
};
}".Replace(" ", "\u00A0"));
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/47438")]
public async Task IndentationForMultilineWith()
{
var code = @"record C(int X)
{
C M()
{
return this with
{
X = 1
};
}
}";
var expectedCode = @"record C(int X)
{
C M()
{
return this with
{
X = 1
};
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/47438")]
public async Task IndentationForMultilineWith_ArrowBody()
{
var code = @"record C(int X)
{
C M()
=> this with
{
X = 1
};
}";
var expectedCode = @"record C(int X)
{
C M()
=> this with
{
X = 1
};
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/47438")]
public async Task IndentationForMultilineWith_ArrowBody_WithTrailingComma()
{
var code = @"record C(int X)
{
C M()
=> this with
{
X = 1,
};
}";
var expectedCode = @"record C(int X)
{
C M()
=> this with
{
X = 1,
};
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/41022")]
public async Task SpacingAfterAttribute()
{
var code = @"class C
{
void M([My]string?[]?[] x)
{
}
}";
var expectedCode = @"class C
{
void M([My] string?[]?[] x)
{
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/41022")]
public async Task SpacingAfterAttribute_Multiple()
{
var code = @"class C
{
void M([My][My] int x)
{
}
}";
var expectedCode = @"class C
{
void M([My][My] int x)
{
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/41022")]
public async Task SpacingAfterAttribute_Multiple2()
{
var code = @"class C
{
void M([My] [My] int x)
{
}
}";
var expectedCode = @"class C
{
void M([My][My] int x)
{
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/41022")]
public async Task SpacingAfterAttribute_MultipleOnDeclaration()
{
var code = @"class C
{
[My] [My] void M()
{
}
}";
var expectedCode = @"class C
{
[My]
[My]
void M()
{
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/47442")]
public async Task IndentImplicitObjectCreationInitializer()
{
var code = @"
class C
{
public string Name { get; set; }
public static C Create1(string name)
=> new C()
{
Name = name
};
public static C Create2(string name)
=> new()
{
Name = name
};
}";
var expectedCode = @"
class C
{
public string Name { get; set; }
public static C Create1(string name)
=> new C()
{
Name = name
};
public static C Create2(string name)
=> new()
{
Name = name
};
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/36913")]
public async Task NewLinesForBraces_SwitchExpression_Default()
{
await AssertFormatAsync(
@"
class A
{
void br()
{
var msg = 1 switch
{
_ => null
};
}
}",
@"
class A
{
void br()
{
var msg = 1 switch {
_ => null
};
}
}");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/36913")]
public async Task NewLinesForBraces_SwitchExpression_NonDefault()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ NewLineBeforeOpenBrace, NewLineBeforeOpenBrace.DefaultValue.WithFlagValue(NewLineBeforeOpenBracePlacement.ObjectCollectionArrayInitializers, false) },
};
await AssertFormatAsync(
@"
class A
{
void br()
{
var msg = 1 switch {
_ => null
};
}
}",
@"
class A
{
void br()
{
var msg = 1 switch
{
_ => null
};
}
}", changedOptionSet: changingOptions);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/discussions/49725")]
public async Task NewLinesForBraces_RecordWithInitializer_Default()
{
await AssertFormatAsync(
@"
record R(int X);
class C
{
void Goo(R r)
{
var r2 = r with
{
X = 0
};
}
}",
@"
record R(int X);
class C
{
void Goo(R r)
{
var r2 = r with {
X = 0
};
}
}");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/discussions/49725")]
public async Task NewLinesForBraces_RecordWithInitializer_NonDefault()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ NewLineBeforeOpenBrace, NewLineBeforeOpenBrace.DefaultValue.WithFlagValue(NewLineBeforeOpenBracePlacement.ObjectCollectionArrayInitializers, false) },
};
await AssertFormatAsync(
@"
record R(int X);
class C
{
void Goo(R r)
{
var r2 = r with {
X = 0
};
}
}",
@"
record R(int X);
class C
{
void Goo(R r)
{
var r2 = r with
{
X = 0
};
}
}", changedOptionSet: changingOptions);
}
[Fact]
public async Task NoSpacesInPropertyPatterns()
{
var code = @"class C
{
int IntProperty { get; set; }
void M()
{
_ = this is { IntProperty : 2 };
}
}";
var expectedCode = @"class C
{
int IntProperty { get; set; }
void M()
{
_ = this is { IntProperty: 2 };
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task NoSpacesInExtendedPropertyPatterns()
{
var code = @"class C
{
C CProperty { get; set; }
int IntProperty { get; set; }
void M()
{
_ = this is { CProperty . IntProperty : 2 };
}
}";
var expectedCode = @"class C
{
C CProperty { get; set; }
int IntProperty { get; set; }
void M()
{
_ = this is { CProperty.IntProperty: 2 };
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/52413")]
public async Task NewLinesForBraces_PropertyPatternClauses_Default()
{
await AssertFormatAsync(
@"
class A
{
public string Name { get; }
public bool IsFoo(A a)
{
return a is
{
Name: ""foo"",
};
}
}",
@"
class A
{
public string Name { get; }
public bool IsFoo(A a)
{
return a is {
Name: ""foo"",
};
}
}");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/52413")]
public async Task NewLinesForBraces_PropertyPatternClauses_NonDefault()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ NewLineBeforeOpenBrace, NewLineBeforeOpenBrace.DefaultValue.WithFlagValue(NewLineBeforeOpenBracePlacement.ObjectCollectionArrayInitializers, false) },
};
await AssertFormatAsync(
@"
class A
{
public string Name { get; }
public bool IsFoo(A a)
{
return a is {
Name: ""foo"",
};
}
}",
@"
class A
{
public string Name { get; }
public bool IsFoo(A a)
{
return a is
{
Name: ""foo"",
};
}
}", changedOptionSet: changingOptions);
}
[Fact, Trait(Traits.Feature, Traits.Features.Formatting)]
[WorkItem(57854, "https://github.com/dotnet/roslyn/issues/57854")]
public async Task NewLinesForBraces_PropertyPatternClauses_NonDefaultInSwitchExpression()
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ NewLineBeforeOpenBrace, NewLineBeforeOpenBrace.DefaultValue.WithFlagValue(NewLineBeforeOpenBracePlacement.ObjectCollectionArrayInitializers, false) },
};
await AssertFormatAsync(
@"
class A
{
public string Name { get; }
public bool IsFoo(A a)
{
return a switch {
{ Name: ""foo"" } => true,
_ => false,
};
}
}",
@"
class A
{
public string Name { get; }
public bool IsFoo(A a)
{
return a switch
{
{ Name: ""foo"" } => true,
_ => false,
};
}
}", changedOptionSet: changingOptions);
}
[Theory, CombinatorialData]
[WorkItem("https://github.com/dotnet/roslyn/issues/52413")]
public async Task NewLinesForBraces_PropertyPatternClauses_SingleLine(bool option)
{
var changingOptions = new OptionsCollection(LanguageNames.CSharp)
{
{ NewLineBeforeOpenBrace, NewLineBeforeOpenBrace.DefaultValue.WithFlagValue(NewLineBeforeOpenBracePlacement.ObjectCollectionArrayInitializers, option) },
};
var code = @"
class A
{
public string Name { get; }
public bool IsFoo(A a)
{
return a is { Name: ""foo"" };
}
}";
await AssertFormatAsync(code, code, changedOptionSet: changingOptions);
}
[Fact]
public async Task RecordClass()
{
await AssertFormatAsync(
@"
record class R(int X);
",
@"
record class R(int X);
");
}
[Fact]
public async Task Class()
{
await AssertFormatAsync(
@"
class R(int X);
",
@"
class R(int X) ;
");
}
[Fact]
public async Task Interface()
{
await AssertFormatAsync(
@"
interface R(int X);
",
@"
interface R(int X) ;
");
}
[Fact]
public async Task RecordStruct()
{
await AssertFormatAsync(
@"
record struct R(int X);
",
@"
record struct R(int X);
");
}
[Fact]
public async Task Struct()
{
await AssertFormatAsync(
@"
struct R(int X);
",
@"
struct R(int X) ;
");
}
[Fact]
public async Task FormatListPattern()
{
var code = @"
class C
{
void M() {
_ = this is[1,2,>=3];
}
}";
await AssertFormatAsync(code: code, expected: @"
class C
{
void M()
{
_ = this is [1, 2, >= 3];
}
}");
var options = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBetweenEmptySquareBrackets, false },
{ SpaceWithinSquareBrackets, false },
{ SpaceBeforeComma, false },
{ SpaceAfterComma, false },
};
await AssertFormatAsync(code: code, changedOptionSet: options, expected: @"
class C
{
void M()
{
_ = this is [1,2,>= 3];
}
}");
options = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBeforeOpenSquareBracket, false }, // ignored
{ SpaceBetweenEmptySquareBrackets, true },
{ SpaceWithinSquareBrackets, true },
{ SpaceBeforeComma, true },
{ SpaceAfterComma, true },
};
await AssertFormatAsync(code: code, changedOptionSet: options, expected: @"
class C
{
void M()
{
_ = this is [ 1 , 2 , >= 3 ];
}
}");
}
[Fact]
public async Task FormatListPattern_Parentheses()
{
var code = @"
class C
{
void M((int[], int[]) a) {
_ = a is([1,2,>=3],[1,2]);
}
}";
await AssertFormatAsync(code: code, expected: @"
class C
{
void M((int[], int[]) a)
{
_ = a is ([1, 2, >= 3], [1, 2]);
}
}");
var options = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBetweenEmptySquareBrackets, false },
{ SpaceWithinSquareBrackets, false },
{ SpaceBeforeComma, false },
{ SpaceAfterComma, false },
};
await AssertFormatAsync(code: code, changedOptionSet: options, expected: @"
class C
{
void M((int[], int[]) a)
{
_ = a is ([1,2,>= 3],[1,2]);
}
}");
options = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBeforeOpenSquareBracket, false }, // ignored
{ SpaceBetweenEmptySquareBrackets, true },
{ SpaceWithinSquareBrackets, true },
{ SpaceBeforeComma, true },
{ SpaceAfterComma, true },
};
await AssertFormatAsync(code: code, changedOptionSet: options, expected: @"
class C
{
void M((int[ ], int[ ]) a)
{
_ = a is ([ 1 , 2 , >= 3 ], [ 1 , 2 ]);
}
}");
}
[Fact]
public async Task FormatListPattern_TrailingComma()
{
var code = @"
class C
{
void M() {
_ = this is[1,2,>=3,];
}
}";
await AssertFormatAsync(code: code, expected: @"
class C
{
void M()
{
_ = this is [1, 2, >= 3,];
}
}");
var options = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBetweenEmptySquareBrackets, false },
{ SpaceWithinSquareBrackets, false },
{ SpaceBeforeComma, false },
{ SpaceAfterComma, false },
};
await AssertFormatAsync(code: code, changedOptionSet: options, expected: @"
class C
{
void M()
{
_ = this is [1,2,>= 3,];
}
}");
options = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBeforeOpenSquareBracket, false }, // ignored
{ SpaceBetweenEmptySquareBrackets, true },
{ SpaceWithinSquareBrackets, true },
{ SpaceBeforeComma, true },
{ SpaceAfterComma, true },
};
await AssertFormatAsync(code: code, changedOptionSet: options, expected: @"
class C
{
void M()
{
_ = this is [ 1 , 2 , >= 3 , ];
}
}");
}
[Fact]
public async Task FormatListPattern_WithNewline()
{
var code = @"
class C
{
void M() {
_ = this is
[1,2,>=3
];
}
}";
await AssertFormatAsync(code: code, expected: @"
class C
{
void M()
{
_ = this is
[1, 2, >= 3
];
}
}");
var options = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBetweenEmptySquareBrackets, false },
{ SpaceWithinSquareBrackets, false },
{ SpaceBeforeComma, false },
{ SpaceAfterComma, false },
};
await AssertFormatAsync(code: code, changedOptionSet: options, expected: @"
class C
{
void M()
{
_ = this is
[1,2,>= 3
];
}
}");
options = new OptionsCollection(LanguageNames.CSharp)
{
{ SpaceBeforeOpenSquareBracket, false }, // ignored
{ SpaceBetweenEmptySquareBrackets, true },
{ SpaceWithinSquareBrackets, true },
{ SpaceBeforeComma, true },
{ SpaceAfterComma, true },
};
await AssertFormatAsync(code: code, changedOptionSet: options, expected: @"
class C
{
void M()
{
_ = this is
[ 1 , 2 , >= 3
];
}
}");
}
[Fact]
public async Task FormatSlicePattern()
{
var code = @"class C
{
void M() {
_ = this is[ 0,.. var rest ];
}
}";
var expectedCode = @"class C
{
void M()
{
_ = this is [0, .. var rest];
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task FormatSlicePattern_NoSpace()
{
var code = @"class C
{
void M() {
_ = this is[ 0,..var rest ];
}
}";
var expectedCode = @"class C
{
void M()
{
_ = this is [0, .. var rest];
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task FormatSlicePatternWithAnd()
{
var code = @"class C
{
void M() {
_ = this is[ 0,.. {Count: >0} and var rest ];
}
}";
var expectedCode = @"class C
{
void M()
{
_ = this is [0, .. { Count: > 0 } and var rest];
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task FormatLengthAndListPattern()
{
var code = @"class C
{
void M() {
_ = this is{Count:>0 and var x}and[ 1,2,3 ];
}
}";
var expectedCode = @"class C
{
void M()
{
_ = this is { Count: > 0 and var x } and [1, 2, 3];
}
}";
await AssertFormatAsync(expectedCode, code);
}
[Fact]
public async Task LambdaReturnType_01()
{
await AssertFormatAsync(
@"class Program
{
Delegate D = void () => { };
}",
@"class Program
{
Delegate D = void () => { };
}");
}
[Fact]
public async Task LambdaReturnType_02()
{
await AssertFormatAsync(
@"class Program
{
Delegate D = A.B () => { };
}",
@"class Program
{
Delegate D = A.B()=>{ };
}");
}
[Fact]
public async Task LambdaReturnType_03()
{
await AssertFormatAsync(
@"class Program
{
Delegate D = A<B> (x) => x;
}",
@"class Program
{
Delegate D = A < B > ( x ) => x;
}");
}
[Fact]
public async Task LambdaReturnType_04()
{
await AssertFormatAsync(
@"class Program
{
object F = Func((A, B) ((A, B) t) => t);
}",
@"class Program
{
object F = Func((A,B)((A,B)t)=>t);
}");
}
[Fact]
public async Task LineSpanDirective()
{
var optionSet = new OptionsCollection(LanguageNames.CSharp) { { FormattingOptions2.UseTabs, true } };
await AssertFormatAsync(
@"class Program
{
static void Main()
{
#line (1, 1) - (1, 100) 5 ""a.razor""
}
}",
@"class Program
{
static void Main()
{
#line (1,1)-(1,100) 5 ""a.razor""
}
}", changedOptionSet: optionSet);
}
[Fact]
public async Task FileScopedNamespace()
{
await AssertFormatAsync(
expected: @"
namespace NS;
class C { }
",
code: @"
namespace NS;
class C { }
");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/56498")]
public async Task NewInImplicitObjectCreation()
{
await AssertFormatAsync(
expected: @"
class C
{
void M()
{
string v = new();
}
}
",
code: @"
class C
{
void M() {
string v = new ();
}
}
");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/56498")]
public async Task NewInTupleArrayCreation()
{
await AssertFormatAsync(
expected: @"
class C
{
void M()
{
var v = new (int, int)[];
}
}
",
code: @"
class C
{
void M() {
var v = new (int, int) [ ];
}
}
");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/56498")]
public async Task NewInArrayCreation()
{
await AssertFormatAsync(
expected: @"
class C
{
void M()
{
var v = new int[1];
}
}
",
code: @"
class C
{
void M() {
var v = new int [ 1 ];
}
}
");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/56498")]
public async Task NewInImplicitArrayCreation()
{
await AssertFormatAsync(
expected: @"
class C
{
void M()
{
var v = new[] { 1, 2, 3 };
}
}
",
code: @"
class C
{
void M() {
var v = new [ ] { 1, 2, 3 };
}
}
");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/56498")]
public async Task NewInConstructorConstraint()
{
await AssertFormatAsync(
expected: @"
class C
{
void M<T>() where T : new()
{
}
}
",
code: @"
class C
{
void M<T>() where T : new ( ) {
}
}
");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/56498")]
public async Task NewMethodOverloadWithTupleReturnType()
{
await AssertFormatAsync(
expected: @"
class C
{
new (int, int) M() { }
}
",
code: @"
class C
{
new (int, int) M() { }
}
");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/56498")]
public async Task NewPropertyWithTupleReturnType()
{
await AssertFormatAsync(
expected: @"
class C
{
new (int, int) Property { get; set; }
}
",
code: @"
class C
{
new (int, int) Property { get; set; }
}
");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/56498")]
public async Task NewIndexerWithTupleReturnType()
{
await AssertFormatAsync(
expected: @"
class C
{
new (int, int) this[int i] { get => throw null; }
}
",
code: @"
class C
{
new (int, int) this[int i] { get => throw null; }
}
");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/56543")]
public async Task FormatAttributeOnLambda()
{
await AssertFormatAsync(
expected: @"
var f = [Attribute] () => { };
",
code: @"
var f = [Attribute] () => { };
");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/56543")]
public async Task FormatAttributeOnLambda_TwoAttributes()
{
await AssertFormatAsync(
expected: @"
var f = [Attribute][Attribute2] () => { };
",
code: @"
var f = [Attribute] [Attribute2] () => { };
");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/56543")]
public async Task FormatAttributeOnMethod_TwoAttributes()
{
await AssertFormatAsync(
expected: @"
[Attribute][Attribute2]
void M()
{ }
",
code: @"
[Attribute] [Attribute2]
void M()
{ }
");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/56543")]
public async Task FormatAttributeOnTypeParameter_TwoAttributes()
{
await AssertFormatAsync(
expected: @"
class C<[Attribute][Attribute2] T> { }
",
code: @"
class C< [Attribute] [Attribute2] T > { }
");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/56543")]
public async Task FormatAttributeOnTypeParameter_TwoAttributes_Method()
{
await AssertFormatAsync(
expected: @"
class C
{
void M<[Attribute][Attribute2] T>() { }
}
",
code: @"
class C
{
void M< [Attribute] [Attribute2] T > ( ) { }
}
");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/56543")]
public async Task FormatAttributeOnParameter_TwoAttributes()
{
await AssertFormatAsync(
expected: @"
class C
{
void M([Attribute][Attribute2] T t) { }
}
",
code: @"
class C
{
void M( [Attribute] [Attribute2] T t ) { }
}
");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/56543")]
public async Task FormatAttributeOnLambdaWithExplicitType()
{
await AssertFormatAsync(
expected: @"
var f = [Attribute] int () => 1;
",
code: @"
var f = [Attribute] int () => 1;
");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/56543")]
public async Task FormatAttributeOnLambdaInInvocation()
{
await AssertFormatAsync(
expected: @"
f([Attribute] () => { });
",
code: @"
f( [Attribute] () => { });
");
}
[Fact]
public async Task FormatAttributeOnLambdaParameter()
{
await AssertFormatAsync(expected: """
var f = ([Attribute] int x = 1) => x;
""", code: """
var f = ( [ Attribute ]int x=1)=>x;
""");
}
[Fact]
public async Task FormatRawStringInterpolation()
{
await AssertFormatAsync(
expected: @"
var s = $""""""{s}""""""
",
code: @"
var s = $""""""{s}""""""
");
}
[Fact]
public async Task FormatRawStringInterpolation2()
{
await AssertFormatAsync(
expected: @"
var s = $""""""{s,0: x }""""""
",
code: @"
var s = $""""""{s, 0 : x }""""""
");
}
[Fact]
public async Task FormatUsingAliasToType1()
{
await AssertFormatAsync(
expected: @"
f([Attribute] () => { });
",
code: @"
f( [Attribute] () => { });
");
}
[Theory]
[InlineData("using X=int ;", "using X = int;")]
[InlineData("global using X=int ;", "global using X = int;")]
[InlineData("using X=nint;", "using X = nint;")]
[InlineData("using X=dynamic;", "using X = dynamic;")]
[InlineData("using X=int [] ;", "using X = int[];")]
[InlineData("using X=(int,int) ;", "using X = (int, int);")]
[InlineData("using unsafe X=int * ;", "using unsafe X = int*;")]
[InlineData("global using unsafe X=int * ;", "global using unsafe X = int*;")]
[InlineData("using X=int ?;", "using X = int?;")]
[InlineData("using X=delegate * <int,int> ;", "using X = delegate*<int, int>;")]
public async Task TestNormalizeUsingAlias(string text, string expected)
{
await AssertFormatAsync(expected, text);
}
}
}
|