|
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.CodeRefactorings;
using Microsoft.CodeAnalysis.CSharp.CodeStyle;
using Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.CodeRefactorings;
using Microsoft.CodeAnalysis.Editor.UnitTests.CodeActions;
using Microsoft.CodeAnalysis.ReplaceMethodWithProperty;
using Microsoft.CodeAnalysis.Test.Utilities;
using Roslyn.Test.Utilities;
using Xunit;
namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.CodeActions.ReplaceMethodWithProperty;
[Trait(Traits.Feature, Traits.Features.CodeActionsReplaceMethodWithProperty)]
public class ReplaceMethodWithPropertyTests : AbstractCSharpCodeActionTest_NoEditor
{
protected override CodeRefactoringProvider CreateCodeRefactoringProvider(TestWorkspace workspace, TestParameters parameters)
=> new ReplaceMethodWithPropertyCodeRefactoringProvider();
private async Task TestWithAllCodeStyleOff(
string initialMarkup, string expectedMarkup,
ParseOptions? parseOptions = null, int index = 0)
{
await TestAsync(
initialMarkup, expectedMarkup, parseOptions,
index: index,
options: AllCodeStyleOff);
}
private OptionsCollection AllCodeStyleOff
=> new(GetLanguage())
{
{ CSharpCodeStyleOptions.PreferExpressionBodiedAccessors, CSharpCodeStyleOptions.NeverWithSilentEnforcement },
{ CSharpCodeStyleOptions.PreferExpressionBodiedProperties, CSharpCodeStyleOptions.NeverWithSilentEnforcement },
};
private OptionsCollection PreferExpressionBodiedAccessors
=> new(GetLanguage())
{
{ CSharpCodeStyleOptions.PreferExpressionBodiedAccessors, CSharpCodeStyleOptions.WhenPossibleWithSuggestionEnforcement },
{ CSharpCodeStyleOptions.PreferExpressionBodiedProperties, CSharpCodeStyleOptions.NeverWithSilentEnforcement },
};
private OptionsCollection PreferExpressionBodiedProperties
=> new(GetLanguage())
{
{ CSharpCodeStyleOptions.PreferExpressionBodiedAccessors, CSharpCodeStyleOptions.NeverWithSilentEnforcement },
{ CSharpCodeStyleOptions.PreferExpressionBodiedProperties, CSharpCodeStyleOptions.WhenPossibleWithSuggestionEnforcement },
};
private OptionsCollection PreferExpressionBodiedAccessorsAndProperties
=> new(GetLanguage())
{
{ CSharpCodeStyleOptions.PreferExpressionBodiedAccessors, CSharpCodeStyleOptions.WhenPossibleWithSuggestionEnforcement },
{ CSharpCodeStyleOptions.PreferExpressionBodiedProperties, CSharpCodeStyleOptions.WhenPossibleWithSuggestionEnforcement },
};
[Fact]
public async Task TestMethodWithGetName()
{
await TestWithAllCodeStyleOff(
"""
class C
{
int [||]GetGoo()
{
}
}
""",
"""
class C
{
int Goo
{
get
{
}
}
}
""");
}
[Fact]
public async Task TestMethodWithoutGetName()
{
await TestWithAllCodeStyleOff(
"""
class C
{
int [||]Goo()
{
}
}
""",
"""
class C
{
int Goo
{
get
{
}
}
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/6034")]
public async Task TestMethodWithArrowBody()
{
await TestWithAllCodeStyleOff(
"""
class C
{
int [||]GetGoo() => 0;
}
""",
"""
class C
{
int Goo
{
get
{
return 0;
}
}
}
""");
}
[Fact]
public async Task TestMethodWithoutBody()
{
await TestWithAllCodeStyleOff(
"""
class C
{
int [||]GetGoo();
}
""",
"""
class C
{
int Goo { get; }
}
""");
}
[Fact]
public async Task TestMethodWithModifiers()
{
await TestWithAllCodeStyleOff(
"""
class C
{
public static int [||]GetGoo()
{
}
}
""",
"""
class C
{
public static int Goo
{
get
{
}
}
}
""");
}
[Fact]
public async Task TestMethodWithAttributes()
{
await TestWithAllCodeStyleOff(
"""
class C
{
[A]
int [||]GetGoo()
{
}
}
""",
"""
class C
{
[A]
int Goo
{
get
{
}
}
}
""");
}
[Fact]
public async Task TestMethodWithTrivia_1()
{
await TestWithAllCodeStyleOff(
"""
class C
{
// Goo
int [||]GetGoo()
{
}
}
""",
"""
class C
{
// Goo
int Goo
{
get
{
}
}
}
""");
}
[Fact]
public async Task TestMethodWithTrailingTrivia()
{
await TestWithAllCodeStyleOff(
"""
class C
{
int [||]GetP();
bool M()
{
return GetP() == 0;
}
}
""",
"""
class C
{
int P { get; }
bool M()
{
return P == 0;
}
}
""");
}
[Fact]
public async Task TestDelegateWithTrailingTrivia()
{
await TestWithAllCodeStyleOff(
"""
delegate int Mdelegate();
class C
{
int [||]GetP() => 0;
void M()
{
Mdelegate del = new Mdelegate(GetP );
}
}
""",
"""
delegate int Mdelegate();
class C
{
int P
{
get
{
return 0;
}
}
void M()
{
Mdelegate del = new Mdelegate({|Conflict:P|} );
}
}
""");
}
[Fact]
public async Task TestIndentation()
{
await TestWithAllCodeStyleOff(
"""
class C
{
int [||]GetGoo()
{
int count;
foreach (var x in y)
{
count += bar;
}
return count;
}
}
""",
"""
class C
{
int Goo
{
get
{
int count;
foreach (var x in y)
{
count += bar;
}
return count;
}
}
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/21460")]
public async Task TestIfDefMethod1()
{
await TestWithAllCodeStyleOff(
"""
class C
{
#if true
int [||]GetGoo()
{
}
#endif
}
""",
"""
class C
{
#if true
int Goo
{
get
{
}
}
#endif
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/21460")]
public async Task TestIfDefMethod2()
{
await TestWithAllCodeStyleOff(
"""
class C
{
#if true
int [||]GetGoo()
{
}
void SetGoo(int val)
{
}
#endif
}
""",
"""
class C
{
#if true
int Goo
{
get
{
}
}
void SetGoo(int val)
{
}
#endif
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/21460")]
public async Task TestIfDefMethod3()
{
await TestWithAllCodeStyleOff(
"""
class C
{
#if true
int [||]GetGoo()
{
}
void SetGoo(int val)
{
}
#endif
}
""",
"""
class C
{
#if true
int Goo
{
get
{
}
set
{
}
}
#endif
}
""", index: 1);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/21460")]
public async Task TestIfDefMethod4()
{
await TestWithAllCodeStyleOff(
"""
class C
{
#if true
void SetGoo(int val)
{
}
int [||]GetGoo()
{
}
#endif
}
""",
"""
class C
{
#if true
void SetGoo(int val)
{
}
int Goo
{
get
{
}
}
#endif
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/21460")]
public async Task TestIfDefMethod5()
{
await TestWithAllCodeStyleOff(
"""
class C
{
#if true
void SetGoo(int val)
{
}
int [||]GetGoo()
{
}
#endif
}
""",
"""
class C
{
#if true
int Goo
{
get
{
}
set
{
}
}
#endif
}
""", index: 1);
}
[Fact]
public async Task TestMethodWithTrivia_2()
{
await TestWithAllCodeStyleOff(
"""
class C
{
// Goo
int [||]GetGoo()
{
}
// SetGoo
void SetGoo(int i)
{
}
}
""",
"""
class C
{
// Goo
// SetGoo
int Goo
{
get
{
}
set
{
}
}
}
""",
index: 1);
}
[Fact]
public async Task TestExplicitInterfaceMethod_1()
{
await TestWithAllCodeStyleOff(
"""
class C
{
int [||]I.GetGoo()
{
}
}
""",
"""
class C
{
int I.Goo
{
get
{
}
}
}
""");
}
[Fact]
public async Task TestExplicitInterfaceMethod_2()
{
await TestWithAllCodeStyleOff(
"""
interface I
{
int GetGoo();
}
class C : I
{
int [||]I.GetGoo()
{
}
}
""",
"""
interface I
{
int Goo { get; }
}
class C : I
{
int I.Goo
{
get
{
}
}
}
""");
}
[Fact]
public async Task TestExplicitInterfaceMethod_3()
{
await TestWithAllCodeStyleOff(
"""
interface I
{
int [||]GetGoo();
}
class C : I
{
int I.GetGoo()
{
}
}
""",
"""
interface I
{
int Goo { get; }
}
class C : I
{
int I.Goo
{
get
{
}
}
}
""");
}
[Fact]
public async Task TestInAttribute()
{
await TestMissingInRegularAndScriptAsync(
"""
class C
{
[At[||]tr]
int GetGoo()
{
}
}
""");
}
[Fact]
public async Task TestInMethod()
{
await TestMissingInRegularAndScriptAsync(
"""
class C
{
int GetGoo()
{
[||]
}
}
""");
}
[Fact]
public async Task TestVoidMethod()
{
await TestMissingInRegularAndScriptAsync(
"""
class C
{
void [||]GetGoo()
{
}
}
""");
}
[Fact]
public async Task TestAsyncMethod()
{
await TestMissingInRegularAndScriptAsync(
"""
class C
{
async Task [||]GetGoo()
{
}
}
""");
}
[Fact]
public async Task TestGenericMethod()
{
await TestMissingInRegularAndScriptAsync(
"""
class C
{
int [||]GetGoo<T>()
{
}
}
""");
}
[Fact]
public async Task TestExtensionMethod()
{
await TestMissingInRegularAndScriptAsync(
"""
static class C
{
int [||]GetGoo(this int i)
{
}
}
""");
}
[Fact]
public async Task TestMethodWithParameters_1()
{
await TestMissingInRegularAndScriptAsync(
"""
class C
{
int [||]GetGoo(int i)
{
}
}
""");
}
[Fact]
public async Task TestMethodWithParameters_2()
{
await TestMissingInRegularAndScriptAsync(
"""
class C
{
int [||]GetGoo(int i = 0)
{
}
}
""");
}
[Fact]
public async Task TestNotInSignature_1()
{
await TestMissingInRegularAndScriptAsync(
"""
class C
{
[At[||]tr]
int GetGoo()
{
}
}
""");
}
[Fact]
public async Task TestNotInSignature_2()
{
await TestMissingInRegularAndScriptAsync(
"""
class C
{
int GetGoo()
{
[||]
}
}
""");
}
[Fact]
public async Task TestUpdateGetReferenceNotInMethod()
{
await TestWithAllCodeStyleOff(
"""
class C
{
int [||]GetGoo()
{
}
void Bar()
{
var x = GetGoo();
}
}
""",
"""
class C
{
int Goo
{
get
{
}
}
void Bar()
{
var x = Goo;
}
}
""");
}
[Fact]
public async Task TestUpdateGetReferenceSimpleInvocation()
{
await TestWithAllCodeStyleOff(
"""
class C
{
int [||]GetGoo()
{
}
void Bar()
{
var x = GetGoo();
}
}
""",
"""
class C
{
int Goo
{
get
{
}
}
void Bar()
{
var x = Goo;
}
}
""");
}
[Fact]
public async Task TestUpdateGetReferenceMemberAccessInvocation()
{
await TestWithAllCodeStyleOff(
"""
class C
{
int [||]GetGoo()
{
}
void Bar()
{
var x = this.GetGoo();
}
}
""",
"""
class C
{
int Goo
{
get
{
}
}
void Bar()
{
var x = this.Goo;
}
}
""");
}
[Fact]
public async Task TestUpdateGetReferenceBindingMemberInvocation()
{
await TestWithAllCodeStyleOff(
"""
class C
{
int [||]GetGoo()
{
}
void Bar()
{
C x;
var v = x?.GetGoo();
}
}
""",
"""
class C
{
int Goo
{
get
{
}
}
void Bar()
{
C x;
var v = x?.Goo;
}
}
""");
}
[Fact]
public async Task TestUpdateGetReferenceInMethod()
{
await TestWithAllCodeStyleOff(
"""
class C
{
int [||]GetGoo()
{
return GetGoo();
}
}
""",
"""
class C
{
int Goo
{
get
{
return Goo;
}
}
}
""");
}
[Fact]
public async Task TestOverride()
{
await TestWithAllCodeStyleOff(
"""
class C
{
public virtual int [||]GetGoo()
{
}
}
class D : C
{
public override int GetGoo()
{
}
}
""",
"""
class C
{
public virtual int Goo
{
get
{
}
}
}
class D : C
{
public override int Goo
{
get
{
}
}
}
""");
}
[Fact]
public async Task TestUpdateGetReference_NonInvoked()
{
await TestWithAllCodeStyleOff(
"""
using System;
class C
{
int [||]GetGoo()
{
}
void Bar()
{
Action<int> i = GetGoo;
}
}
""",
"""
using System;
class C
{
int Goo
{
get
{
}
}
void Bar()
{
Action<int> i = {|Conflict:Goo|};
}
}
""");
}
[Fact]
public async Task TestUpdateGetReference_ImplicitReference()
{
await TestWithAllCodeStyleOff(
"""
using System.Collections;
class C
{
public IEnumerator [||]GetEnumerator()
{
}
void Bar()
{
foreach (var x in this)
{
}
}
}
""",
"""
using System.Collections;
class C
{
public IEnumerator Enumerator
{
get
{
}
}
void Bar()
{
{|Conflict:foreach (var x in this)
{
}|}
}
}
""");
}
[Fact]
public async Task TestUpdateGetSet()
{
await TestWithAllCodeStyleOff(
"""
using System;
class C
{
int [||]GetGoo()
{
}
void SetGoo(int i)
{
}
}
""",
"""
using System;
class C
{
int Goo
{
get
{
}
set
{
}
}
}
""",
index: 1);
}
[Fact]
public async Task TestUpdateGetSetReference_NonInvoked()
{
await TestWithAllCodeStyleOff(
"""
using System;
class C
{
int [||]GetGoo()
{
}
void SetGoo(int i)
{
}
void Bar()
{
Action<int> i = SetGoo;
}
}
""",
"""
using System;
class C
{
int Goo
{
get
{
}
set
{
}
}
void Bar()
{
Action<int> i = {|Conflict:Goo|};
}
}
""",
index: 1);
}
[Fact]
public async Task TestUpdateGetSet_SetterAccessibility()
{
await TestWithAllCodeStyleOff(
"""
using System;
class C
{
public int [||]GetGoo()
{
}
private void SetGoo(int i)
{
}
}
""",
"""
using System;
class C
{
public int Goo
{
get
{
}
private set
{
}
}
}
""",
index: 1);
}
[Fact]
public async Task TestUpdateGetSet_ExpressionBodies()
{
await TestWithAllCodeStyleOff(
"""
using System;
class C
{
int [||]GetGoo() => 0;
void SetGoo(int i) => Bar();
}
""",
"""
using System;
class C
{
int Goo
{
get
{
return 0;
}
set
{
Bar();
}
}
}
""",
index: 1);
}
[Fact]
public async Task TestUpdateGetSet_GetInSetReference()
{
await TestWithAllCodeStyleOff(
"""
using System;
class C
{
int [||]GetGoo()
{
}
void SetGoo(int i)
{
}
void Bar()
{
SetGoo(GetGoo() + 1);
}
}
""",
"""
using System;
class C
{
int Goo
{
get
{
}
set
{
}
}
void Bar()
{
Goo = Goo + 1;
}
}
""",
index: 1);
}
[Fact]
public async Task TestUpdateGetSet_UpdateSetParameterName_1()
{
await TestWithAllCodeStyleOff(
"""
using System;
class C
{
int [||]GetGoo()
{
}
void SetGoo(int i)
{
v = i;
}
}
""",
"""
using System;
class C
{
int Goo
{
get
{
}
set
{
v = value;
}
}
}
""",
index: 1);
}
[Fact]
public async Task TestUpdateGetSet_UpdateSetParameterName_2()
{
await TestWithAllCodeStyleOff(
"""
using System;
class C
{
int [||]GetGoo()
{
}
void SetGoo(int value)
{
v = value;
}
}
""",
"""
using System;
class C
{
int Goo
{
get
{
}
set
{
v = value;
}
}
}
""",
index: 1);
}
[Fact]
public async Task TestUpdateGetSet_SetReferenceInSetter()
{
await TestWithAllCodeStyleOff(
"""
using System;
class C
{
int [||]GetGoo()
{
}
void SetGoo(int i)
{
SetGoo(i - 1);
}
}
""",
"""
using System;
class C
{
int Goo
{
get
{
}
set
{
Goo = value - 1;
}
}
}
""",
index: 1);
}
[Fact]
public async Task TestVirtualGetWithOverride_1()
{
await TestWithAllCodeStyleOff(
"""
class C
{
protected virtual int [||]GetGoo()
{
}
}
class D : C
{
protected override int GetGoo()
{
}
}
""",
"""
class C
{
protected virtual int Goo
{
get
{
}
}
}
class D : C
{
protected override int Goo
{
get
{
}
}
}
""",
index: 0);
}
[Fact]
public async Task TestVirtualGetWithOverride_2()
{
await TestWithAllCodeStyleOff(
"""
class C
{
protected virtual int [||]GetGoo()
{
}
}
class D : C
{
protected override int GetGoo()
{
base.GetGoo();
}
}
""",
"""
class C
{
protected virtual int Goo
{
get
{
}
}
}
class D : C
{
protected override int Goo
{
get
{
base.Goo;
}
}
}
""",
index: 0);
}
[Fact]
public async Task TestGetWithInterface()
{
await TestWithAllCodeStyleOff(
"""
interface I
{
int [||]GetGoo();
}
class C : I
{
public int GetGoo()
{
}
}
""",
"""
interface I
{
int Goo { get; }
}
class C : I
{
public int Goo
{
get
{
}
}
}
""",
index: 0);
}
[Fact]
public async Task TestWithPartialClasses()
{
await TestWithAllCodeStyleOff(
"""
partial class C
{
int [||]GetGoo()
{
}
}
partial class C
{
void SetGoo(int i)
{
}
}
""",
"""
partial class C
{
int Goo
{
get
{
}
set
{
}
}
}
partial class C
{
}
""",
index: 1);
}
[Fact]
public async Task TestUpdateGetSetCaseInsensitive()
{
await TestWithAllCodeStyleOff(
"""
using System;
class C
{
int [||]getGoo()
{
}
void setGoo(int i)
{
}
}
""",
"""
using System;
class C
{
int Goo
{
get
{
}
set
{
}
}
}
""",
index: 1);
}
[Fact]
public async Task Tuple()
{
await TestWithAllCodeStyleOff(
"""
class C
{
(int, string) [||]GetGoo()
{
}
}
""",
"""
class C
{
(int, string) Goo
{
get
{
}
}
}
""");
}
[Fact]
public async Task Tuple_GetAndSet()
{
await TestWithAllCodeStyleOff(
"""
using System;
class C
{
(int, string) [||]getGoo()
{
}
void setGoo((int, string) i)
{
}
}
""" + TestResources.NetFX.ValueTuple.tuplelib_cs,
"""
using System;
class C
{
(int, string) Goo
{
get
{
}
set
{
}
}
}
""" + TestResources.NetFX.ValueTuple.tuplelib_cs,
index: 1);
}
[Fact]
public async Task TupleWithNames_GetAndSet()
{
await TestWithAllCodeStyleOff(
"""
using System;
class C
{
(int a, string b) [||]getGoo()
{
}
void setGoo((int a, string b) i)
{
}
}
""" + TestResources.NetFX.ValueTuple.tuplelib_cs,
"""
using System;
class C
{
(int a, string b) Goo
{
get
{
}
set
{
}
}
}
""" + TestResources.NetFX.ValueTuple.tuplelib_cs,
index: 1);
}
[Fact]
public async Task TupleWithDifferentNames_GetAndSet()
{
// Cannot refactor tuples with different names together
await TestActionCountAsync(
"""
using System;
class C
{
(int a, string b) [||]getGoo()
{
}
void setGoo((int c, string d) i)
{
}
}
""",
count: 1, new TestParameters(options: AllCodeStyleOff));
}
[Fact]
public async Task TestOutVarDeclaration_1()
{
await TestWithAllCodeStyleOff(
"""
class C
{
// Goo
int [||]GetGoo()
{
}
// SetGoo
void SetGoo(out int i)
{
}
void Test()
{
SetGoo(out int i);
}
}
""",
"""
class C
{
// Goo
int Goo
{
get
{
}
}
// SetGoo
void SetGoo(out int i)
{
}
void Test()
{
SetGoo(out int i);
}
}
""",
index: 0);
}
[Fact]
public async Task TestOutVarDeclaration_2()
{
await TestWithAllCodeStyleOff(
"""
class C
{
// Goo
int [||]GetGoo()
{
}
// SetGoo
void SetGoo(int i)
{
}
void Test()
{
SetGoo(out int i);
}
}
""",
"""
class C
{
// Goo
// SetGoo
int Goo
{
get
{
}
set
{
}
}
void Test()
{
{|Conflict:Goo|}(out int i);
}
}
""",
index: 1);
}
[Fact]
public async Task TestOutVarDeclaration_3()
{
await TestMissingInRegularAndScriptAsync(
"""
class C
{
// Goo
int GetGoo()
{
}
// SetGoo
void [||]SetGoo(out int i)
{
}
void Test()
{
SetGoo(out int i);
}
}
""");
}
[Fact]
public async Task TestOutVarDeclaration_4()
{
await TestMissingInRegularAndScriptAsync(
"""
class C
{
// Goo
int [||]GetGoo(out int i)
{
}
// SetGoo
void SetGoo(out int i, int j)
{
}
void Test()
{
var y = GetGoo(out int i);
}
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/14327")]
public async Task TestUpdateChainedGet1()
{
await TestWithAllCodeStyleOff(
"""
public class Goo
{
public Goo()
{
Goo value = GetValue().GetValue();
}
public Goo [||]GetValue()
{
return this;
}
}
""",
"""
public class Goo
{
public Goo()
{
Goo value = Value.Value;
}
public Goo Value
{
get
{
return this;
}
}
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/16980")]
public async Task TestCodeStyle1()
{
await TestInRegularAndScriptAsync(
"""
class C
{
int [||]GetGoo()
{
return 1;
}
}
""",
"""
class C
{
int Goo { get => 1; }
}
""", options: PreferExpressionBodiedAccessors);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/16980")]
public async Task TestCodeStyle2()
{
await TestInRegularAndScriptAsync(
"""
class C
{
int [||]GetGoo()
{
return 1;
}
}
""",
"""
class C
{
int Goo => 1;
}
""", options: PreferExpressionBodiedProperties);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/16980")]
public async Task TestCodeStyle3()
{
await TestInRegularAndScriptAsync(
"""
class C
{
int [||]GetGoo()
{
return 1;
}
}
""",
"""
class C
{
int Goo => 1;
}
""", options: PreferExpressionBodiedAccessorsAndProperties);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/16980")]
public async Task TestCodeStyle4()
{
await TestInRegularAndScriptAsync(
"""
class C
{
int [||]GetGoo()
{
return 1;
}
void SetGoo(int i)
{
_i = i;
}
}
""",
"""
class C
{
int Goo { get => 1; set => _i = value; }
}
""",
index: 1,
options: PreferExpressionBodiedAccessors);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/16980")]
public async Task TestCodeStyle5()
{
await TestInRegularAndScriptAsync(
"""
class C
{
int [||]GetGoo()
{
return 1;
}
void SetGoo(int i)
{
_i = i;
}
}
""",
"""
class C
{
int Goo
{
get
{
return 1;
}
set
{
_i = value;
}
}
}
""",
index: 1,
options: PreferExpressionBodiedProperties);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/16980")]
public async Task TestCodeStyle6()
{
await TestInRegularAndScriptAsync(
"""
class C
{
int [||]GetGoo()
{
return 1;
}
void SetGoo(int i)
{
_i = i;
}
}
""",
"""
class C
{
int Goo { get => 1; set => _i = value; }
}
""",
index: 1,
options: PreferExpressionBodiedAccessorsAndProperties);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/16980")]
public async Task TestCodeStyle7()
{
await TestInRegularAndScriptAsync(
"""
class C
{
int [||]GetGoo() => 0;
}
""",
"""
class C
{
int Goo => 0;
}
""", options: PreferExpressionBodiedProperties);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/16980")]
public async Task TestCodeStyle8()
{
await TestInRegularAndScriptAsync(
"""
class C
{
int [||]GetGoo() => 0;
}
""",
"""
class C
{
int Goo { get => 0; }
}
""", options: PreferExpressionBodiedAccessors);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/16980")]
public async Task TestCodeStyle9()
{
await TestInRegularAndScriptAsync(
"""
class C
{
int [||]GetGoo() => throw e;
}
""",
"""
class C
{
int Goo { get => throw e; }
}
""", options: PreferExpressionBodiedAccessors);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/16980")]
public async Task TestCodeStyle10()
{
await TestInRegularAndScriptAsync(
"""
class C
{
int [||]GetGoo() { throw e; }
}
""",
"""
class C
{
int Goo => throw e;
}
""", options: PreferExpressionBodiedProperties);
}
[Fact]
public async Task TestUseExpressionBodyWhenOnSingleLine_AndIsSingleLine()
{
await TestInRegularAndScriptAsync(
"""
class C
{
int [||]GetGoo() { throw e; }
}
""",
"""
class C
{
int Goo => throw e;
}
""", options: Option(CSharpCodeStyleOptions.PreferExpressionBodiedProperties, CSharpCodeStyleOptions.WhenOnSingleLineWithSilentEnforcement));
}
[Fact]
public async Task TestUseExpressionBodyWhenOnSingleLine_AndIsNotSingleLine()
{
await TestInRegularAndScriptAsync(
"""
class C
{
int [||]GetGoo() { throw e +
e; }
}
""",
"""
class C
{
int Goo
{
get
{
throw e +
e;
}
}
}
""", options: new OptionsCollection(GetLanguage())
{
{ CSharpCodeStyleOptions.PreferExpressionBodiedProperties, CSharpCodeStyleOptions.WhenOnSingleLineWithSilentEnforcement },
{ CSharpCodeStyleOptions.PreferExpressionBodiedAccessors, CSharpCodeStyleOptions.WhenOnSingleLineWithSilentEnforcement },
});
}
[Fact]
public async Task TestExplicitInterfaceImplementation()
{
await TestWithAllCodeStyleOff(
"""
interface IGoo
{
int [||]GetGoo();
}
class C : IGoo
{
int IGoo.GetGoo()
{
throw new System.NotImplementedException();
}
}
""",
"""
interface IGoo
{
int Goo { get; }
}
class C : IGoo
{
int IGoo.Goo
{
get
{
throw new System.NotImplementedException();
}
}
}
""");
}
[Fact, WorkItem("https://devdiv.visualstudio.com/DevDiv/_workitems?id=443523")]
public async Task TestSystemObjectMetadataOverride()
{
await TestMissingAsync(
"""
class C
{
public override string [||]ToString()
{
}
}
""");
}
[Fact, WorkItem("https://devdiv.visualstudio.com/DevDiv/_workitems?id=443523")]
public async Task TestMetadataOverride()
{
await TestWithAllCodeStyleOff(
"""
class C : System.Type
{
public override int [||]GetArrayRank()
{
}
}
""",
"""
class C : System.Type
{
public override int {|Warning:ArrayRank|}
{
get
{
}
}
}
""");
}
[Fact]
public async Task IgnoreIfTopLevelNullableIsDifferent_GetterNullable()
{
await TestInRegularAndScriptAsync(
"""
#nullable enable
class C
{
private string? name;
public void SetName(string name)
{
this.name = name;
}
public string? [||]GetName()
{
return this.name;
}
}
""",
"""
#nullable enable
class C
{
private string? name;
public void SetName(string name)
{
this.name = name;
}
public string? Name => this.name;
}
""");
}
[Fact]
public async Task IgnoreIfTopLevelNullableIsDifferent_SetterNullable()
{
await TestInRegularAndScriptAsync(
"""
#nullable enable
class C
{
private string? name;
public void SetName(string? name)
{
this.name = name;
}
public string [||]GetName()
{
return this.name ?? "";
}
}
""",
"""
#nullable enable
class C
{
private string? name;
public void SetName(string? name)
{
this.name = name;
}
public string Name => this.name ?? "";
}
""");
}
[Fact]
public async Task IgnoreIfNestedNullableIsDifferent_GetterNullable()
{
await TestInRegularAndScriptAsync(
"""
#nullable enable
class C
{
private IEnumerable<string?> names;
public void SetNames(IEnumerable<string> names)
{
this.names = names;
}
public IEnumerable<string?> [||]GetNames()
{
return this.names;
}
}
""",
"""
#nullable enable
class C
{
private IEnumerable<string?> names;
public void SetNames(IEnumerable<string> names)
{
this.names = names;
}
public IEnumerable<string?> Names => this.names;
}
""");
}
[Fact]
public async Task IgnoreIfNestedNullableIsDifferent_SetterNullable()
{
await TestInRegularAndScriptAsync(
"""
#nullable enable
using System.Linq;
class C
{
private IEnumerable<string?> names;
public void SetNames(IEnumerable<string?> names)
{
this.names = names;
}
public IEnumerable<string> [||]GetNames()
{
return this.names.Where(n => n is object);
}
}
""",
"""
#nullable enable
using System.Linq;
class C
{
private IEnumerable<string?> names;
public void SetNames(IEnumerable<string?> names)
{
this.names = names;
}
public IEnumerable<string> Names => this.names.Where(n => n is object);
}
""");
}
[Fact]
public async Task NullabilityOfFieldDifferentThanProperty()
{
await TestInRegularAndScriptAsync(
"""
#nullable enable
class C
{
private string name;
public string? [||]GetName()
{
return name;
}
}
""",
"""
#nullable enable
class C
{
private string name;
public string? Name => name;
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/38379")]
public async Task TestUnsafeGetter()
{
await TestInRegularAndScriptAsync(
"""
class C
{
public unsafe int [||]GetP()
{
return 0;
}
public void SetP(int value)
{ }
}
""",
"""
class C
{
public unsafe int P
{
get => 0;
set
{ }
}
}
""", index: 1);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/38379")]
public async Task TestUnsafeSetter()
{
await TestInRegularAndScriptAsync(
"""
class C
{
public int [||]GetP()
{
return 0;
}
public unsafe void SetP(int value)
{ }
}
""",
"""
class C
{
public unsafe int P
{
get => 0;
set
{ }
}
}
""", index: 1);
}
[Fact]
public async Task TestAtStartOfMethod()
{
await TestWithAllCodeStyleOff(
"""
class C
{
[||]int GetGoo()
{
}
}
""",
"""
class C
{
int Goo
{
get
{
}
}
}
""");
}
[Fact]
public async Task TestBeforeStartOfMethod_OnSameLine()
{
await TestWithAllCodeStyleOff(
"""
class C
{
[||] int GetGoo()
{
}
}
""",
"""
class C
{
int Goo
{
get
{
}
}
}
""");
}
[Fact]
public async Task TestBeforeStartOfMethod_OnPreviousLine()
{
await TestWithAllCodeStyleOff(
"""
class C
{
[||]
int GetGoo()
{
}
}
""",
"""
class C
{
int Goo
{
get
{
}
}
}
""");
}
[Fact]
public async Task TestBeforeStartOfMethod_NotMultipleLinesPrior()
{
await TestMissingInRegularAndScriptAsync(
"""
class C
{
[||]
int GetGoo()
{
}
}
""");
}
[Fact]
public async Task TestBeforeStartOfMethod_NotBeforeAttributes()
{
await TestInRegularAndScript1Async(
"""
class C
{
[||][A]
int GetGoo()
{
}
}
""",
"""
class C
{
[A]
int Goo
{
get
{
}
}
}
""");
}
[Fact]
public async Task TestBeforeStartOfMethod_NotBeforeComments()
{
await TestMissingInRegularAndScriptAsync(
"""
class C
{
[||] /// <summary/>
int GetGoo()
{
}
}
""");
}
[Fact]
public async Task TestBeforeStartOfMethod_NotInComment()
{
await TestMissingInRegularAndScriptAsync(
"""
class C
{
/// [||]<summary/>
int GetGoo()
{
}
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/42699")]
public async Task TestSameNameMemberAsProperty()
{
await TestInRegularAndScript1Async(
"""
class C
{
int Goo;
[||]int GetGoo()
{
}
}
""",
"""
class C
{
int Goo;
int Goo1
{
get
{
}
}
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/42698")]
public async Task TestMethodWithTrivia_3()
{
await TestInRegularAndScript1Async(
"""
class C
{
[||]int Goo() //Vital Comment
{
return 1;
}
}
""",
"""
class C
{
//Vital Comment
int Goo => 1;
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/42698")]
public async Task TestMethodWithTrivia_4()
{
await TestWithAllCodeStyleOff(
"""
class C
{
int [||]GetGoo() // Goo
{
}
void SetGoo(int i) // SetGoo
{
}
}
""",
"""
class C
{
// Goo
// SetGoo
int Goo
{
get
{
}
set
{
}
}
}
""",
index: 1);
}
[Fact, Trait(Traits.Feature, Traits.Features.CodeActionsReplacePropertyWithMethods)]
[WorkItem("https://github.com/dotnet/roslyn/issues/57769")]
public async Task TestInLinkedFile()
{
await TestInRegularAndScriptAsync(
"""
<Workspace>
<Project Language='C#' CommonReferences='true' AssemblyName='LinkedProj' Name='CSProj.1'>
<Document FilePath='C.cs'>
class C
{
int [||]GetP();
bool M()
{
return GetP() == 0;
}
}
</Document>
</Project>
<Project Language='C#' CommonReferences='true' AssemblyName='LinkedProj' Name='CSProj.2'>
<Document IsLinkFile='true' LinkProjectName='CSProj.1' LinkFilePath='C.cs'/>
</Project>
</Workspace>
""",
"""
<Workspace>
<Project Language='C#' CommonReferences='true' AssemblyName='LinkedProj' Name='CSProj.1'>
<Document FilePath='C.cs'>
class C
{
int P { get; }
bool M()
{
return P == 0;
}
}
</Document>
</Project>
<Project Language='C#' CommonReferences='true' AssemblyName='LinkedProj' Name='CSProj.2'>
<Document IsLinkFile='true' LinkProjectName='CSProj.1' LinkFilePath='C.cs'/>
</Project>
</Workspace>
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/37991")]
public async Task AllowIfNestedNullableIsSame()
{
await TestInRegularAndScriptAsync(
"""
#nullable enable
using System.Linq;
class C
{
private IEnumerable<string?> names;
public void SetNames(IEnumerable<string?> names)
{
this.names = names;
}
public IEnumerable<string?> [||]GetNames()
{
return this.names.Where(n => n is object);
}
}
""",
"""
#nullable enable
using System.Linq;
class C
{
private IEnumerable<string?> names;
public IEnumerable<string?> Names { get => this.names.Where(n => n is object); set => this.names = value; }
}
""", index: 1);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/37991")]
public async Task TestGetSetWithGeneric()
{
await TestInRegularAndScriptAsync(
"""
using System.Threading.Tasks;
class C
{
private Task<string> someTask;
public void SetSomeTask(Task<string> t)
{
this.someTask = t;
}
public Task<string> [||]GetSomeTask()
{
return this.someTask;
}
}
""",
"""
using System.Threading.Tasks;
class C
{
private Task<string> someTask;
public Task<string> SomeTask { get => this.someTask; set => this.someTask = value; }
}
""", index: 1);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/40758")]
public async Task TestReferenceTrivia1()
{
await TestInRegularAndScriptAsync(
"""
class Class
{
static bool [||]Value() => default;
static void Main()
{
if (/*test*/Value())
{
}
}
}
""",
"""
class Class
{
static bool Value => default;
static void Main()
{
if (/*test*/Value)
{
}
}
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/40758")]
public async Task TestReferenceTrivia2()
{
await TestInRegularAndScriptAsync(
"""
class Class
{
static bool [||]Value() => default;
static void Main()
{
if (Value()/*test*/)
{
}
}
}
""",
"""
class Class
{
static bool Value => default;
static void Main()
{
if (Value/*test*/)
{
}
}
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/40758")]
public async Task TestReferenceTrivia3()
{
await TestInRegularAndScriptAsync(
"""
class Class
{
static bool [||]Value() => default;
static void Main()
{
var valueAsDelegate = /*test*/Value;
}
}
""",
"""
class Class
{
static bool Value => default;
static void Main()
{
var valueAsDelegate = /*test*/{|Conflict:Value|};
}
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/40758")]
public async Task TestReferenceTrivia4()
{
await TestInRegularAndScriptAsync(
"""
class Class
{
static bool [||]Value() => default;
static void Main()
{
var valueAsDelegate = Value/*test*/;
}
}
""",
"""
class Class
{
static bool Value => default;
static void Main()
{
var valueAsDelegate = {|Conflict:Value|}/*test*/;
}
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/72035")]
public async Task TestUpdateGetReferenceGeneratedPart()
{
await TestInRegularAndScript1Async(
"""
<Workspace>
<Project Language="C#" AssemblyName="Assembly1" CommonReferences="true">
<Document>partial class C
{
int [||]GetGoo()
{
}
}</Document>
<DocumentFromSourceGenerator>
partial class C
{
void Bar()
{
var x = GetGoo();
}
}
</DocumentFromSourceGenerator>
</Project>
</Workspace>
""",
"""
partial class C
{
int Goo
{
get
{
}
}
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/61161")]
public async Task TestEndOfLineTrivia1()
{
await TestInRegularAndScriptAsync(
"""
class C
{
public int [||]Test1() { return 1; }
public void Test2() { }
}
""",
"""
class C
{
public int Test1 => 1;
public void Test2() { }
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/61161")]
public async Task TestEndOfLineTrivia2()
{
await TestInRegularAndScriptAsync(
"""
class C
{
public int [||]Test1() { return 1; }
public void Test2() { }
}
""",
"""
class C
{
public int Test1 => 1;
public void Test2() { }
}
""");
}
}
|