InlineTemporaryTests.cs 110.0 KB
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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.
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using System.Threading.Tasks;
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using Microsoft.CodeAnalysis.CodeRefactorings;
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using Microsoft.CodeAnalysis.CSharp;
using Microsoft.CodeAnalysis.CSharp.CodeRefactorings.InlineTemporary;
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using Microsoft.CodeAnalysis.CSharp.Shared.Extensions;
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using Microsoft.CodeAnalysis.CSharp.Test.Utilities;
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using Microsoft.CodeAnalysis.Test.Utilities;
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using Roslyn.Test.Utilities;
using Xunit;

namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.CodeRefactorings.InlineTemporary
{
    public class InlineTemporaryTests : AbstractCSharpCodeActionTest
    {
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        protected override CodeRefactoringProvider CreateCodeRefactoringProvider(Workspace workspace, TestParameters parameters)
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            => new InlineTemporaryCodeRefactoringProvider();
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        private async Task TestFixOneAsync(string initial, string expected)
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            => await TestInRegularAndScript1Async(GetTreeText(initial), GetTreeText(expected));
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        private string GetTreeText(string initial)
        {
            return @"class C
{
    void F() " + initial + @"
}";
        }

        private SyntaxNode GetNodeToFix(dynamic initialRoot, int declaratorIndex)
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            => initialRoot.Members[0].Members[0].Body.Statements[0].Declaration.Variables[declaratorIndex];
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        private SyntaxNode GetFixedNode(dynamic fixedRoot)
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            => fixedRoot.Members[0].Members[0].BodyOpt;
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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task NotWithNoInitializer1()
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            => await TestMissingInRegularAndScriptAsync(GetTreeText(@"{ int [||]x; System.Console.WriteLine(x); }"));
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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task NotWithNoInitializer2()
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            => await TestMissingInRegularAndScriptAsync(GetTreeText(@"{ int [||]x = ; System.Console.WriteLine(x); }"));
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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task NotOnSecondWithNoInitializer()
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            => await TestMissingInRegularAndScriptAsync(GetTreeText(@"{ int x = 42, [||]y; System.Console.WriteLine(y); }"));
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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task NotOnField()
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        {
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            await TestMissingInRegularAndScriptAsync(
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@"class C
{
    int [||]x = 42;

    void M()
    {
        System.Console.WriteLine(x);
    }
}");
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        }

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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task WithRefInitializer1()
        {
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            await TestMissingInRegularAndScriptAsync(
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@"class C
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{
    ref int M()
    {
        int[] arr = new[] { 1, 2, 3 };
        ref int [||]x = ref arr[2];
        return ref x;
    }
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}");
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        }

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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task SingleStatement()
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            => await TestMissingInRegularAndScriptAsync(GetTreeText(@"{ int [||]x = 27; }"));
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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task MultipleDeclarators_First()
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            => await TestMissingInRegularAndScriptAsync(GetTreeText(@"{ int [||]x = 0, y = 1, z = 2; }"));
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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task MultipleDeclarators_Second()
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            => await TestMissingInRegularAndScriptAsync(GetTreeText(@"{ int x = 0, [||]y = 1, z = 2; }"));
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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task MultipleDeclarators_Last()
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            => await TestMissingInRegularAndScriptAsync(GetTreeText(@"{ int x = 0, y = 1, [||]z = 2; }"));
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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task Escaping1()
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        {
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            await TestFixOneAsync(
@"{ int [||]x = 0;

Console.WriteLine(x); }",
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@"{
        Console.WriteLine(0); }");
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        }

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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task Escaping2()
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        {
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            await TestFixOneAsync(
@"{ int [||]@x = 0;

Console.WriteLine(x); }",
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@"{
        Console.WriteLine(0); }");
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        }

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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task Escaping3()
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        {
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            await TestFixOneAsync(
@"{ int [||]@x = 0;

Console.WriteLine(@x); }",
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@"{
        Console.WriteLine(0); }");
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        }

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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task Escaping4()
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        {
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            await TestFixOneAsync(
@"{ int [||]x = 0;

Console.WriteLine(@x); }",
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@"{
        Console.WriteLine(0); }");
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        }

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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task Escaping5()
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        {
            var code = @"
using System.Linq;
class C
{
    static void Main()
    {
        var @where[||] = 0;
        var q = from e in """" let a = new { @where } select a;
    }
}";

            var expected = @"
using System.Linq;
class C
{
    static void Main()
    {
        var q = from e in """" let a = new { @where = 0 } select a;
    }
}";

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            await TestInRegularAndScriptAsync(code, expected);
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        }

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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task Call()
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        {
            var code = @"
using System;
class C 
{
    public void M()
    {
        int [||]x = 1 + 1;
        x.ToString();
    }
}";

            var expected = @"
using System;
class C 
{
    public void M()
    {
        (1 + 1).ToString();
    }
}";

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            await TestInRegularAndScriptAsync(code, expected);
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        }

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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task Conversion_NoChange()
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        {
            var code = @"
using System;
class C 
{
    public void M()
    {
        double [||]x = 3;
        x.ToString();
    }
}";

            var expected = @"
using System;
class C 
{
    public void M()
    {
        ((double)3).ToString();
    }
}";

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            await TestInRegularAndScriptAsync(code, expected);
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        }

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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task Conversion_NoConversion()
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        {
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            await TestFixOneAsync(
@"{ int [||]x = 3;

x.ToString(); }",
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                       @"{ 3.ToString(); }");
        }

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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task Conversion_DifferentOverload()
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        {
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            await TestInRegularAndScriptAsync(
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@"
using System;
class C
{
    void M()
    {
        double [||]x = 3;
        Console.WriteLine(x);
    }
}",

@"
using System;
class C
{
    void M()
    {
        Console.WriteLine((double)3);
    }
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}");
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        }

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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task Conversion_DifferentMethod()
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        {
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            await TestInRegularAndScriptAsync(
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@"
class Base 
{
    public void M(object o) { }
}
class Derived : Base
{
    public void M(string s) { }
}
class C
{
    void F()
    {
        Base [||]b = new Derived();
        b.M(""hi"");
    }
}
",

@"
class Base 
{
    public void M(object o) { }
}
class Derived : Base
{
    public void M(string s) { }
}
class C
{
    void F()
    {
        ((Base)new Derived()).M(""hi"");
    }
}
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");
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        }

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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task Conversion_SameMethod()
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        {
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            await TestInRegularAndScriptAsync(
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@"
class Base 
{
    public void M(int i) { }
}
class Derived : Base
{
    public void M(string s) { }
}
class C
{
    void F()
    {
        Base [||]b = new Derived();
        b.M(3);
    }
}
",

@"
class Base 
{
    public void M(int i) { }
}
class Derived : Base
{
    public void M(string s) { }
}
class C
{
    void F()
    {
        new Derived().M(3);
    }
}
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");
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        }

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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task NoCastOnVar()
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        {
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            await TestFixOneAsync(
@"{ var [||]x = 0;

Console.WriteLine(x); }",
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@"{
        Console.WriteLine(0); }");
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        }

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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task DoubleAssignment()
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        {
            var code = @"
class C
{
    void M()
    {
        int [||]x = x = 1;
        int y = x;
    }
}";

            var expected = @"
class C
{
    void M()
    {
        int y = 1;
    }
}";

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            await TestInRegularAndScriptAsync(code, expected);
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        }

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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task TestAnonymousType1()
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        {
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            await TestFixOneAsync(
@"{ int [||]x = 42;
var a = new { x }; }",
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                       @"{ var a = new { x = 42 }; }");
        }

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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task TestParenthesizedAtReference_Case3()
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        {
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            await TestFixOneAsync(
@"{ int [||]x = 1 + 1;
int y = x * 2; }",
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                       @"{ int y = (1 + 1) * 2; }");
        }

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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task DontBreakOverloadResolution_Case5()
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        {
            var code = @"
class C
{
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    void Goo(object o) { }
    void Goo(int i) { }
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    void M()
    {
        object [||]x = 1 + 1;
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        Goo(x);
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    }
}";

            var expected = @"
class C
{
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    void Goo(object o) { }
    void Goo(int i) { }
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    void M()
    {
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        Goo((object)(1 + 1));
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    }
}";

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            await TestInRegularAndScriptAsync(code, expected);
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        }

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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task DontTouchUnrelatedBlocks()
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        {
            var code = @"
class C
{
    void M()
    {
        int [||]x = 1;
        { Unrelated(); }
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        Goo(x);
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    }
}";

            var expected = @"
class C
{
    void M()
    {
        { Unrelated(); }
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        Goo(1);
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    }
}";

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            await TestInRegularAndScriptAsync(code, expected);
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        }

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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task TestLambdaParenthesizeAndCast_Case7()
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        {
            var code = @"
class C
{
    void M()
    {
        System.Func<int> [||]x = () => 1;
        int y = x();
    }
}";

            var expected = @"
class C
{
    void M()
    {
        int y = ((System.Func<int>)(() => 1))();
    }
}";

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            await TestInRegularAndScriptAsync(code, expected);
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        }

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        [WorkItem(538094, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538094")]
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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task ParseAmbiguity1()
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        {
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            await TestInRegularAndScriptAsync(
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@"
class C
{
    void F(object a, object b)
    {
        int x = 2;
        bool [||]y = x > (f);
        F(x < x, y);
    }
    int f = 0;
}",
@"
class C
{
    void F(object a, object b)
    {
        int x = 2;
        F(x < x, (x > (f)));
    }
    int f = 0;
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}");
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        }

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        [WorkItem(538094, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538094"), WorkItem(541462, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/541462")]
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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task ParseAmbiguity2()
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        {
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            await TestInRegularAndScriptAsync(
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@"
class C
{
    void F(object a, object b)
    {
        int x = 2;
        object [||]y = x > (f);
        F(x < x, y);
    }
    int f = 0;
}",
@"
class C
{
    void F(object a, object b)
    {
        int x = 2;
        F(x < x, (x > (f)));
    }
    int f = 0;
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}");
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        }

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        [WorkItem(538094, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538094")]
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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task ParseAmbiguity3()
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        {
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            await TestInRegularAndScriptAsync(
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@"
class C
{
    void F(object a, object b)
    {
        int x = 2;
        bool [||]y = x > (int)1;
        F(x < x, y);
    }
    int f = 0;
}",
@"
class C
{
    void F(object a, object b)
    {
        int x = 2;
        F(x < x, (x > (int)1));
    }
    int f = 0;
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}");
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        }

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        [WorkItem(544924, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544924")]
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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task ParseAmbiguity4()
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        {
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            await TestInRegularAndScriptAsync(
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@"
class Program
{
    static void Main()
    {
        int x = 2;
        int y[||] = (1+2);
        Bar(x < x, x > y);
    }

    static void Bar(object a, object b)
    {
    }
}",
@"
class Program
{
    static void Main()
    {
        int x = 2;
        Bar(x < x, (x > (1 + 2)));
    }

    static void Bar(object a, object b)
    {
    }
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}");
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        }

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        [WorkItem(544613, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544613")]
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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task ParseAmbiguity5()
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        {
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            await TestInRegularAndScriptAsync(
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@"
class Program
{
    static void Main()
    {
        int x = 2;
        int y[||] = (1 + 2);
        var z = new[] { x < x, x > y };
    }
}",
@"
class Program
{
    static void Main()
    {
        int x = 2;
        var z = new[] { x < x, (x > (1 + 2)) };
    }
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}");
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        }

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        [WorkItem(538131, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538131")]
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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task TestArrayInitializer()
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        {
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            await TestFixOneAsync(
@"{ int[] [||]x = {
    3,
    4,
    5
};
int a = Array.IndexOf(x, 3); }",
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@"{
        int a = Array.IndexOf(new int[] {
        3,
        4,
        5
    }, 3); }");
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        }

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        [WorkItem(545657, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545657")]
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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task TestArrayInitializer2()
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        {
            var initial = @"
class Program
{ 
    static void Main()
    {
        int[] [||]x = { 3, 4, 5 };
        System.Array a = x;
    }
}";

            var expected = @"
class Program
{ 
    static void Main()
    {
        System.Array a = new int[] { 3, 4, 5 };
    }
}";

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            await TestInRegularAndScriptAsync(initial, expected);
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        }

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        [WorkItem(545657, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545657")]
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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task TestArrayInitializer3()
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        {
            var initial = @"
class Program
{ 
    static void Main()
    {
        int[] [||]x = {
                          3,
                          4,
                          5
                      };
        System.Array a = x;
    }
}";

            var expected = @"
class Program
{ 
    static void Main()
    {
        System.Array a = new int[] {
            3,
            4,
            5
        };
    }
}";

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            await TestInRegularAndScriptAsync(initial, expected);
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        }

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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task TestConflict_RefParameter1()
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        {
            var initial =
@"using System;
class Program
{
    void Main()
    {
        int [||]x = 0;
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        Goo(ref x);
        Goo(x);
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    }

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    void Goo(int x)
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    {
    }

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    void Goo(ref int x)
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    {
    }
}";

            var expected =
@"using System;
class Program
{
    void Main()
    {
        int x = 0;
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        Goo(ref {|Conflict:x|});
        Goo(0);
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    }

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    void Goo(int x)
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    {
    }

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    void Goo(ref int x)
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    {
    }
}";

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            await TestInRegularAndScriptAsync(initial, expected);
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        }

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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task TestConflict_RefParameter2()
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        {
            var initial =
@"using System;
class Program
{
    void Main()
    {
        int [||]x = 0;
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        Goo(x, ref x);
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    }

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    void Goo(int x, ref int y)
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    {
    }
}";

            var expected =
@"using System;
class Program
{
    void Main()
    {
        int x = 0;
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        Goo(0, ref {|Conflict:x|});
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    }

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    void Goo(int x, ref int y)
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    {
    }
}";

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            await TestInRegularAndScriptAsync(initial, expected);
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        }

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        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
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        public async Task TestConflict_AssignExpression()
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        {
            var initial =
@"using System;
class Program
{
    void Main()
    {
        int [||]i = 1;
        i = 2;
        Console.WriteLine(i);
    }
}";

            var expected =
@"using System;
class Program
{
    void Main()
    {
        int i = 1;
        {|Conflict:i|} = 2;
        Console.WriteLine(1);
    }
}";

811
            await TestInRegularAndScriptAsync(initial, expected);
812 813
        }

814
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
815
        public async Task TestConflict_AddAssignExpression1()
816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840
        {
            var initial =
@"using System;
class Program
{
    void Main()
    {
        int [||]i = 1;
        i += 2;
        Console.WriteLine(i);
    }
}";

            var expected =
@"using System;
class Program
{
    void Main()
    {
        int i = 1;
        {|Conflict:i|} += 2;
        Console.WriteLine(1);
    }
}";

841
            await TestInRegularAndScriptAsync(initial, expected);
842 843
        }

844
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
845
        public async Task TestConflict_AddAssignExpression2()
846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872
        {
            var initial =
@"using System;
class C
{
    static int x;

    static void M()
    {
        int [||]x = (x = 0) + (x += 1);
        int y = x;
    }
}";

            var expected =
@"using System;
class C
{
    static int x;

    static void M()
    {
        int x = ({|Conflict:x|} = 0) + ({|Conflict:x|} += 1);
        int y = 0 + ({|Conflict:x|} += 1);
    }
}";

873
            await TestInRegularAndScriptAsync(initial, expected);
874 875
        }

876
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
877
        public async Task TestConflict_SubtractAssignExpression()
878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902
        {
            var initial =
@"using System;
class Program
{
    void Main()
    {
        int [||]i = 1;
        i -= 2;
        Console.WriteLine(i);
    }
}";

            var expected =
@"using System;
class Program
{
    void Main()
    {
        int i = 1;
        {|Conflict:i|} -= 2;
        Console.WriteLine(1);
    }
}";

C
CyrusNajmabadi 已提交
903
            await TestInRegularAndScriptAsync(initial, expected);
904 905
        }

906
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
907
        public async Task TestConflict_MultiplyAssignExpression()
908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932
        {
            var initial =
@"using System;
class Program
{
    void Main()
    {
        int [||]i = 1;
        i *= 2;
        Console.WriteLine(i);
    }
}";

            var expected =
@"using System;
class Program
{
    void Main()
    {
        int i = 1;
        {|Conflict:i|} *= 2;
        Console.WriteLine(1);
    }
}";

933
            await TestInRegularAndScriptAsync(initial, expected);
934 935
        }

936
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
937
        public async Task TestConflict_DivideAssignExpression()
938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962
        {
            var initial =
@"using System;
class Program
{
    void Main()
    {
        int [||]i = 1;
        i /= 2;
        Console.WriteLine(i);
    }
}";

            var expected =
@"using System;
class Program
{
    void Main()
    {
        int i = 1;
        {|Conflict:i|} /= 2;
        Console.WriteLine(1);
    }
}";

963
            await TestInRegularAndScriptAsync(initial, expected);
964 965
        }

966
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
967
        public async Task TestConflict_ModuloAssignExpression()
968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992
        {
            var initial =
@"using System;
class Program
{
    void Main()
    {
        int [||]i = 1;
        i %= 2;
        Console.WriteLine(i);
    }
}";

            var expected =
@"using System;
class Program
{
    void Main()
    {
        int i = 1;
        {|Conflict:i|} %= 2;
        Console.WriteLine(1);
    }
}";

993
            await TestInRegularAndScriptAsync(initial, expected);
994 995
        }

996
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
997
        public async Task TestConflict_AndAssignExpression()
998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022
        {
            var initial =
@"using System;
class Program
{
    void Main()
    {
        int [||]i = 1;
        i &= 2;
        Console.WriteLine(i);
    }
}";

            var expected =
@"using System;
class Program
{
    void Main()
    {
        int i = 1;
        {|Conflict:i|} &= 2;
        Console.WriteLine(1);
    }
}";

1023
            await TestInRegularAndScriptAsync(initial, expected);
1024 1025
        }

1026
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1027
        public async Task TestConflict_OrAssignExpression()
1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052
        {
            var initial =
@"using System;
class Program
{
    void Main()
    {
        int [||]i = 1;
        i |= 2;
        Console.WriteLine(i);
    }
}";

            var expected =
@"using System;
class Program
{
    void Main()
    {
        int i = 1;
        {|Conflict:i|} |= 2;
        Console.WriteLine(1);
    }
}";

1053
            await TestInRegularAndScriptAsync(initial, expected);
1054 1055
        }

1056
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1057
        public async Task TestConflict_ExclusiveOrAssignExpression()
1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082
        {
            var initial =
@"using System;
class Program
{
    void Main()
    {
        int [||]i = 1;
        i ^= 2;
        Console.WriteLine(i);
    }
}";

            var expected =
@"using System;
class Program
{
    void Main()
    {
        int i = 1;
        {|Conflict:i|} ^= 2;
        Console.WriteLine(1);
    }
}";

1083
            await TestInRegularAndScriptAsync(initial, expected);
1084 1085
        }

1086
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1087
        public async Task TestConflict_LeftShiftAssignExpression()
1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112
        {
            var initial =
@"using System;
class Program
{
    void Main()
    {
        int [||]i = 1;
        i <<= 2;
        Console.WriteLine(i);
    }
}";

            var expected =
@"using System;
class Program
{
    void Main()
    {
        int i = 1;
        {|Conflict:i|} <<= 2;
        Console.WriteLine(1);
    }
}";

1113
            await TestInRegularAndScriptAsync(initial, expected);
1114 1115
        }

1116
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1117
        public async Task TestConflict_RightShiftAssignExpression()
1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142
        {
            var initial =
@"using System;
class Program
{
    void Main()
    {
        int [||]i = 1;
        i >>= 2;
        Console.WriteLine(i);
    }
}";

            var expected =
@"using System;
class Program
{
    void Main()
    {
        int i = 1;
        {|Conflict:i|} >>= 2;
        Console.WriteLine(1);
    }
}";

1143
            await TestInRegularAndScriptAsync(initial, expected);
1144 1145
        }

1146
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1147
        public async Task TestConflict_PostIncrementExpression()
1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172
        {
            var initial =
@"using System;
class Program
{
    void Main()
    {
        int [||]i = 1;
        i++;
        Console.WriteLine(i);
    }
}";

            var expected =
@"using System;
class Program
{
    void Main()
    {
        int i = 1;
        {|Conflict:i|}++;
        Console.WriteLine(1);
    }
}";

1173
            await TestInRegularAndScriptAsync(initial, expected);
1174 1175
        }

1176
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1177
        public async Task TestConflict_PreIncrementExpression()
1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202
        {
            var initial =
@"using System;
class Program
{
    void Main()
    {
        int [||]i = 1;
        ++i;
        Console.WriteLine(i);
    }
}";

            var expected =
@"using System;
class Program
{
    void Main()
    {
        int i = 1;
        ++{|Conflict:i|};
        Console.WriteLine(1);
    }
}";

1203
            await TestInRegularAndScriptAsync(initial, expected);
1204 1205
        }

1206
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1207
        public async Task TestConflict_PostDecrementExpression()
1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232
        {
            var initial =
@"using System;
class Program
{
    void Main()
    {
        int [||]i = 1;
        i--;
        Console.WriteLine(i);
    }
}";

            var expected =
@"using System;
class Program
{
    void Main()
    {
        int i = 1;
        {|Conflict:i|}--;
        Console.WriteLine(1);
    }
}";

1233
            await TestInRegularAndScriptAsync(initial, expected);
1234 1235
        }

1236
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1237
        public async Task TestConflict_PreDecrementExpression()
1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262
        {
            var initial =
@"using System;
class Program
{
    void Main()
    {
        int [||]i = 1;
        --i;
        Console.WriteLine(i);
    }
}";

            var expected =
@"using System;
class Program
{
    void Main()
    {
        int i = 1;
        --{|Conflict:i|};
        Console.WriteLine(1);
    }
}";

1263
            await TestInRegularAndScriptAsync(initial, expected);
1264 1265
        }

1266
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1267
        public async Task TestConflict_AddressOfExpression()
1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290
        {
            var initial = @"
class C
{
    unsafe void M()
    {
        int x = 0;
        var y[||] = &x;
        var z = &y;
    }
}";

            var expected = @"
class C
{
    unsafe void M()
    {
        int x = 0;
        var y = &x;
        var z = &{|Conflict:y|};
    }
}";

1291
            await TestInRegularAndScriptAsync(initial, expected);
1292 1293
        }

J
Jared Parsons 已提交
1294
        [WorkItem(545342, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545342")]
1295
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1296
        public async Task TestConflict_UsedBeforeDeclaration()
1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317
        {
            var initial =
@"class Program
{
    static void Main(string[] args)
    {
        var x = y;
        var y[||] = 45;
    }
}";

            var expected =
@"class Program
{
    static void Main(string[] args)
    {
        var x = {|Conflict:y|};
        var y = 45;
    }
}";

1318
            await TestInRegularAndScriptAsync(initial, expected);
1319 1320
        }

1321
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1322
        public async Task Preprocessor1()
1323
        {
1324
            await TestFixOneAsync(@"
1325 1326 1327 1328 1329 1330 1331 1332 1333
{
    int [||]x = 1,
#if true
        y,
#endif
        z;

    int a = x;
}",
1334 1335
@"
{
1336 1337
        int
#if true
1338
        y,
1339
#endif
1340
        z;
1341 1342

        int a = 1;
1343
}");
1344 1345
        }

1346
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1347
        public async Task Preprocessor2()
1348
        {
1349
            await TestFixOneAsync(@"
1350 1351 1352 1353 1354 1355 1356 1357 1358
{
    int y,
#if true
        [||]x = 1,
#endif
        z;

    int a = x;
}",
1359 1360
@"
{
1361
        int y,
1362 1363
#if true

1364
#endif
1365
        z;
1366 1367

        int a = 1;
1368
}");
1369 1370
        }

1371
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1372
        public async Task Preprocessor3()
1373
        {
1374
            await TestFixOneAsync(@"
1375 1376 1377 1378 1379 1380 1381 1382 1383
{
    int y,
#if true
        z,
#endif
        [||]x = 1;

    int a = x;
}",
1384 1385
@"
{
1386 1387
        int y,
#if true
1388 1389 1390
        z
#endif
        ;
1391 1392

        int a = 1;
1393
}");
1394 1395
        }

J
Jared Parsons 已提交
1396
        [WorkItem(540164, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/540164")]
1397
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1398
        public async Task TriviaOnArrayInitializer()
1399 1400 1401 1402 1403 1404 1405
        {
            var initial =
@"class C
{
    void M()
    {
        int[] [||]a = /**/{ 1 };
1406
        Goo(a);
1407 1408 1409 1410 1411 1412 1413 1414
    }
}";

            var expected =
@"class C
{
    void M()
    {
1415
        Goo(new int[]/**/{ 1 });
1416 1417 1418
    }
}";

1419
            await TestInRegularAndScriptAsync(initial, expected);
1420 1421
        }

J
Jared Parsons 已提交
1422
        [WorkItem(540156, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/540156")]
1423
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1424
        public async Task ProperlyFormatWhenRemovingDeclarator1()
1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445
        {
            var initial =
@"class C
{
    void M()
    {
        int [||]i = 1, j = 2, k = 3;
        System.Console.Write(i);
    }
}";

            var expected =
@"class C
{
    void M()
    {
        int j = 2, k = 3;
        System.Console.Write(1);
    }
}";

1446
            await TestInRegularAndScriptAsync(initial, expected);
1447 1448
        }

J
Jared Parsons 已提交
1449
        [WorkItem(540156, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/540156")]
1450
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1451
        public async Task ProperlyFormatWhenRemovingDeclarator2()
1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472
        {
            var initial =
@"class C
{
    void M()
    {
        int i = 1, [||]j = 2, k = 3;
        System.Console.Write(j);
    }
}";

            var expected =
@"class C
{
    void M()
    {
        int i = 1, k = 3;
        System.Console.Write(2);
    }
}";

1473
            await TestInRegularAndScriptAsync(initial, expected);
1474 1475
        }

J
Jared Parsons 已提交
1476
        [WorkItem(540156, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/540156")]
1477
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1478
        public async Task ProperlyFormatWhenRemovingDeclarator3()
1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499
        {
            var initial =
@"class C
{
    void M()
    {
        int i = 1, j = 2, [||]k = 3;
        System.Console.Write(k);
    }
}";

            var expected =
@"class C
{
    void M()
    {
        int i = 1, j = 2;
        System.Console.Write(3);
    }
}";

1500
            await TestInRegularAndScriptAsync(initial, expected);
1501 1502
        }

J
Jared Parsons 已提交
1503
        [WorkItem(540186, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/540186")]
1504
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1505
        public async Task ProperlyFormatAnonymousTypeMember()
1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525
        {
            var initial =
@"class C
{
    void M()
    {
        var [||]x = 123;
        var y = new { x };
    }
}";

            var expected =
@"class C
{
    void M()
    {
        var y = new { x = 123 };
    }
}";

1526
            await TestInRegularAndScriptAsync(initial, expected);
1527 1528 1529
        }

        [WorkItem(6356, "DevDiv_Projects/Roslyn")]
1530
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1531
        public async Task InlineToAnonymousTypeProperty()
1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551
        {
            var initial =
@"class C
{
    void M()
    {
        var [||]x = 123;
        var y = new { x = x };
    }
}";

            var expected =
@"class C
{
    void M()
    {
        var y = new { x = 123 };
    }
}";

1552
            await TestInRegularAndScriptAsync(initial, expected);
1553 1554
        }

J
Jared Parsons 已提交
1555
        [WorkItem(528075, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/528075")]
1556
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1557
        public async Task InlineIntoDelegateInvocation()
1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579
        {
            var initial =
@"using System;
class Program
{
    static void Main(string[] args)
    {
        Action<string[]> [||]del = Main;
        del(null);
    }
}";

            var expected =
@"using System;
class Program
{
    static void Main(string[] args)
    {
        ((Action<string[]>)Main)(null);
    }
}";

1580
            await TestInRegularAndScriptAsync(initial, expected);
1581 1582
        }

J
Jared Parsons 已提交
1583
        [WorkItem(541341, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/541341")]
1584
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1585
        public async Task InlineAnonymousMethodIntoNullCoalescingExpression()
1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609
        {
            var initial =
@"using System;
 
class Program
{
    static void Main()
    {
        Action [||]x = delegate { };
        Action y = x ?? null;
    }
}";

            var expected =
@"using System;
 
class Program
{
    static void Main()
    {
        Action y = (Action)delegate { } ?? null;
    }
}";

1610
            await TestInRegularAndScriptAsync(initial, expected);
1611 1612
        }

J
Jared Parsons 已提交
1613
        [WorkItem(541341, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/541341")]
1614
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1615
        public async Task InlineLambdaIntoNullCoalescingExpression()
1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639
        {
            var initial =
@"using System;
 
class Program
{
    static void Main()
    {
        Action [||]x = () => { };
        Action y = x ?? null;
    }
}";

            var expected =
@"using System;
 
class Program
{
    static void Main()
    {
        Action y = (Action)(() => { }) ?? null;
    }
}";

1640
            await TestInRegularAndScriptAsync(initial, expected);
1641 1642
        }

J
Jared Parsons 已提交
1643
        [WorkItem(538079, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538079")]
1644
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1645
        public async Task InsertCastForBoxingOperation1()
1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669
        {
            var initial =
@"using System;
class A
{
    static void Main()
    {
        long x[||] = 1;
        object z = x;
        Console.WriteLine((long)z);
    }
}";

            var expected =
@"using System;
class A
{
    static void Main()
    {
        object z = (long)1;
        Console.WriteLine((long)z);
    }
}";

1670
            await TestInRegularAndScriptAsync(initial, expected);
1671 1672
        }

J
Jared Parsons 已提交
1673
        [WorkItem(538079, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538079")]
1674
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1675
        public async Task InsertCastForBoxingOperation2()
1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701
        {
            var initial =
@"using System;
class A
{
    static void Main()
    {
        int y = 1;
        long x[||] = y;
        object z = x;
        Console.WriteLine((long)z);
    }
}";

            var expected =
@"using System;
class A
{
    static void Main()
    {
        int y = 1;
        object z = (long)y;
        Console.WriteLine((long)z);
    }
}";

1702
            await TestInRegularAndScriptAsync(initial, expected);
1703 1704
        }

J
Jared Parsons 已提交
1705
        [WorkItem(538079, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538079")]
1706
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1707
        public async Task InsertCastForBoxingOperation3()
1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731
        {
            var initial =
@"using System;
class A
{
    static void Main()
    {
        byte x[||] = 1;
        object z = x;
        Console.WriteLine((byte)z);
    }
}";

            var expected =
@"using System;
class A
{
    static void Main()
    {
        object z = (byte)1;
        Console.WriteLine((byte)z);
    }
}";

1732
            await TestInRegularAndScriptAsync(initial, expected);
1733 1734
        }

J
Jared Parsons 已提交
1735
        [WorkItem(538079, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538079")]
1736
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1737
        public async Task InsertCastForBoxingOperation4()
1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761
        {
            var initial =
@"using System;
class A
{
    static void Main()
    {
        sbyte x[||] = 1;
        object z = x;
        Console.WriteLine((sbyte)z);
    }
}";

            var expected =
@"using System;
class A
{
    static void Main()
    {
        object z = (sbyte)1;
        Console.WriteLine((sbyte)z);
    }
}";

1762
            await TestInRegularAndScriptAsync(initial, expected);
1763 1764
        }

J
Jared Parsons 已提交
1765
        [WorkItem(538079, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538079")]
1766
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1767
        public async Task InsertCastForBoxingOperation5()
1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791
        {
            var initial =
@"using System;
class A
{
    static void Main()
    {
        short x[||] = 1;
        object z = x;
        Console.WriteLine((short)z);
    }
}";

            var expected =
@"using System;
class A
{
    static void Main()
    {
        object z = (short)1;
        Console.WriteLine((short)z);
    }
}";

1792
            await TestInRegularAndScriptAsync(initial, expected);
1793 1794
        }

J
Jared Parsons 已提交
1795
        [WorkItem(540278, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/540278")]
1796
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1797
        public async Task TestLeadingTrivia()
1798
        {
C
CyrusNajmabadi 已提交
1799
            await TestInRegularAndScriptAsync(
1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817
@"class Program
{
    static void Main(string[] args)
    {
        // Leading
        int [||]i = 10;
        //print
        Console.Write(i);
    }
}",
@"class Program
{
    static void Main(string[] args)
    {
        // Leading
        //print
        Console.Write(10);
    }
1818
}");
1819 1820
        }

J
Jared Parsons 已提交
1821
        [WorkItem(540278, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/540278")]
1822
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1823
        public async Task TestLeadingAndTrailingTrivia()
1824
        {
C
CyrusNajmabadi 已提交
1825
            await TestInRegularAndScriptAsync(
1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844
@"class Program
{
    static void Main(string[] args)
    {
        // Leading
        int [||]i = 10; // Trailing
        //print
        Console.Write(i);
    }
}",
@"class Program
{
    static void Main(string[] args)
    {
        // Leading
        // Trailing
        //print
        Console.Write(10);
    }
1845
}");
1846 1847
        }

J
Jared Parsons 已提交
1848
        [WorkItem(540278, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/540278")]
1849
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1850
        public async Task TestTrailingTrivia()
1851
        {
C
CyrusNajmabadi 已提交
1852
            await TestInRegularAndScriptAsync(
1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869
@"class Program
{
    static void Main(string[] args)
    {
        int [||]i = 10; // Trailing
        //print
        Console.Write(i);
    }
}",
@"class Program
{
    static void Main(string[] args)
    {
        // Trailing
        //print
        Console.Write(10);
    }
1870
}");
1871 1872
        }

J
Jared Parsons 已提交
1873
        [WorkItem(540278, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/540278")]
1874
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1875
        public async Task TestPreprocessor()
1876
        {
C
CyrusNajmabadi 已提交
1877
            await TestInRegularAndScriptAsync(
1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897
@"class Program
{
    static void Main(string[] args)
    {
#if true
        int [||]i = 10; 
        //print
        Console.Write(i);
#endif
    }
}",
@"class Program
{
    static void Main(string[] args)
    {
#if true
        //print
        Console.Write(10);
#endif
    }
1898
}");
1899 1900
        }

J
Jared Parsons 已提交
1901
        [WorkItem(540277, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/540277")]
1902
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1903
        public async Task TestFormatting()
1904
        {
C
CyrusNajmabadi 已提交
1905
            await TestInRegularAndScriptAsync(
1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920
@"class Program
{
    static void Main(string[] args)
    {
        int [||]i = 5; int j = 110;
        Console.Write(i + j);
    }
}",
@"class Program
{
    static void Main(string[] args)
    {
        int j = 110;
        Console.Write(5 + j);
    }
1921
}");
1922 1923
        }

J
Jared Parsons 已提交
1924
        [WorkItem(541694, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/541694")]
1925
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1926
        public async Task TestSwitchSection()
1927
        {
C
CyrusNajmabadi 已提交
1928
            await TestInRegularAndScriptAsync(
1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954
@"using System;
class C
{
    void M()
    {
        switch (10)
        {
            default:
                int i[||] = 10;
                Console.WriteLine(i);
                break;
        }
    }
}",
@"using System;
class C
{
    void M()
    {
        switch (10)
        {
            default:
                Console.WriteLine(10);
                break;
        }
    }
1955
}");
1956 1957
        }

J
Jared Parsons 已提交
1958
        [WorkItem(542647, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/542647")]
1959
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1960
        public async Task UnparenthesizeExpressionIfNeeded1()
1961
        {
C
CyrusNajmabadi 已提交
1962
            await TestInRegularAndScriptAsync(
1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985
@"
using System;
class C
{
    static Action X;
    static void M()
    {
        var [||]y = (X);
        y();
    }
}
",

@"
using System;
class C
{
    static Action X;
    static void M()
    {
        X();
    }
}
1986
");
1987 1988
        }

J
Jared Parsons 已提交
1989
        [WorkItem(545619, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545619")]
1990
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
1991
        public async Task UnparenthesizeExpressionIfNeeded2()
1992
        {
C
CyrusNajmabadi 已提交
1993
            await TestInRegularAndScriptAsync(
1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
@"
using System;
class Program
{
    static void Main()
    {
        Action x = Console.WriteLine;
        Action y[||] = x;
        y();
    }
}
",

@"
using System;
class Program
{
    static void Main()
    {
        Action x = Console.WriteLine;
        x();
    }
}
2017
");
2018 2019
        }

J
Jared Parsons 已提交
2020
        [WorkItem(542656, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/542656")]
2021
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2022
        public async Task ParenthesizeIfNecessary1()
2023
        {
C
CyrusNajmabadi 已提交
2024
            await TestInRegularAndScriptAsync(
2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050
            @"using System;
using System.Collections;
using System.Linq;

class A
{
    static void Main()
    {
        var [||]q = from x in """" select x;
        if (q is IEnumerable)
        {
        }
    }
}",
            @"using System;
using System.Collections;
using System.Linq;

class A
{
    static void Main()
    {
        if ((from x in """" select x) is IEnumerable)
        {
        }
    }
2051
}");
2052 2053
        }

J
Jared Parsons 已提交
2054
        [WorkItem(544626, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544626")]
2055
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2056
        public async Task ParenthesizeIfNecessary2()
2057
        {
C
CyrusNajmabadi 已提交
2058
            await TestInRegularAndScriptAsync(
2059 2060 2061 2062 2063 2064
            @"
using System;
class C
{
    static void Main()
    {
2065
        Action<string> f[||] = Goo<string>;
2066 2067 2068 2069
        Action<string> g = null;
        var h = f + g;
    }

2070
    static void Goo<T>(T y) { }
2071 2072 2073 2074 2075 2076 2077 2078
}",
            @"
using System;
class C
{
    static void Main()
    {
        Action<string> g = null;
2079
        var h = Goo + g;
2080 2081
    }

2082
    static void Goo<T>(T y) { }
2083
}");
2084 2085
        }

J
Jared Parsons 已提交
2086
        [WorkItem(544415, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544415")]
2087
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2088
        public async Task ParenthesizeAddressOf1()
2089
        {
C
CyrusNajmabadi 已提交
2090
            await TestInRegularAndScriptAsync(
2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110
            @"
using System;
unsafe class C
{
    static void M()
    {
        int x;
        int* p[||] = &x;
        var i = (Int32)p;
    }
}",
            @"
using System;
unsafe class C
{
    static void M()
    {
        int x;
        var i = (Int32)(&x);
    }
2111
}");
2112 2113
        }

J
Jared Parsons 已提交
2114
        [WorkItem(544922, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544922")]
2115
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2116
        public async Task ParenthesizeAddressOf2()
2117
        {
C
CyrusNajmabadi 已提交
2118
            await TestInRegularAndScriptAsync(
2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138
            @"
using System;
unsafe class C
{
    static void M()
    {
        int x;
        int* p[||] = &x;
        var i = p->ToString();
    }
}",
            @"
using System;
unsafe class C
{
    static void M()
    {
        int x;
        var i = (&x)->ToString();
    }
2139
}");
2140 2141
        }

J
Jared Parsons 已提交
2142
        [WorkItem(544921, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544921")]
2143
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2144
        public async Task ParenthesizePointerIndirection1()
2145
        {
C
CyrusNajmabadi 已提交
2146
            await TestInRegularAndScriptAsync(
2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166
            @"
using System;
unsafe class C
{
    static void M()
    {
        int* x = null;
        int p[||] = *x;
        var i = (Int64)p;
    }
}",
            @"
using System;
unsafe class C
{
    static void M()
    {
        int* x = null;
        var i = (Int64)(*x);
    }
2167
}");
2168 2169
        }

J
Jared Parsons 已提交
2170
        [WorkItem(544614, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544614")]
2171
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2172
        public async Task ParenthesizePointerIndirection2()
2173
        {
C
CyrusNajmabadi 已提交
2174
            await TestInRegularAndScriptAsync(
2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194
            @"
using System;
unsafe class C
{
    static void M()
    {
        int** x = null;
        int* p[||] = *x;
        var i = p[1].ToString();
    }
}",
            @"
using System;
unsafe class C
{
    static void M()
    {
        int** x = null;
        var i = (*x)[1].ToString();
    }
2195
}");
2196 2197
        }

J
Jared Parsons 已提交
2198
        [WorkItem(544563, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544563")]
2199
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2200
        public async Task DontInlineStackAlloc()
2201
        {
C
CyrusNajmabadi 已提交
2202
            await TestMissingInRegularAndScriptAsync(
C
CyrusNajmabadi 已提交
2203 2204
@"using System;

2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216
unsafe class C
{
    static void M()
    {
        int* values[||] = stackalloc int[20];
        int* copy = values;
        int* p = &values[1];
        int* q = &values[15];
    }
}");
        }

J
Jared Parsons 已提交
2217
        [WorkItem(543744, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/543744")]
2218
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2219
        public async Task InlineTempLambdaExpressionCastingError()
2220
        {
C
CyrusNajmabadi 已提交
2221
            await TestInRegularAndScriptAsync(
2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238
            @"using System;
class Program
{
    static void Main(string[] args)
    {
        Func<int?,int?> [||]lam = (int? s) => { return s; };
        Console.WriteLine(lam);
    }
}",

            @"using System;
class Program
{
    static void Main(string[] args)
    {
        Console.WriteLine((Func<int?, int?>)((int? s) => { return s; }));
    }
2239
}");
2240 2241
        }

2242
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2243
        public async Task InsertCastForNull()
2244
        {
C
CyrusNajmabadi 已提交
2245
            await TestInRegularAndScriptAsync(
2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264
            @"
using System;
class C
{
    void M()
    {
        string [||]x = null;
        Console.WriteLine(x);
    }
}",

            @"
using System;
class C
{
    void M()
    {
        Console.WriteLine((string)null);
    }
2265
}");
2266 2267
        }

2268
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2269
        public async Task InsertCastIfNeeded1()
2270
        {
C
CyrusNajmabadi 已提交
2271
            await TestInRegularAndScriptAsync(
2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287
            @"
class C
{
    void M()
    {
        long x[||] = 1;
        System.IComparable<long> y = x;
    }
}",
            @"
class C
{
    void M()
    {
        System.IComparable<long> y = (long)1;
    }
2288
}");
2289 2290
        }

J
Jared Parsons 已提交
2291
        [WorkItem(545161, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545161")]
2292
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2293
        public async Task InsertCastIfNeeded2()
2294
        {
C
CyrusNajmabadi 已提交
2295
            await TestInRegularAndScriptAsync(
2296 2297 2298 2299 2300 2301 2302
            @"
using System;
 
class C
{
    static void Main()
    {
2303
        Goo(x => { int [||]y = x[0]; x[1] = y; });
2304 2305
    }
 
2306 2307
    static void Goo(Action<int[]> x) { }
    static void Goo(Action<string[]> x) { }
2308 2309 2310 2311 2312 2313 2314 2315
}",
            @"
using System;
 
class C
{
    static void Main()
    {
2316
        Goo((Action<int[]>)(x => { x[1] = x[0]; }));
2317 2318
    }
 
2319 2320
    static void Goo(Action<int[]> x) { }
    static void Goo(Action<string[]> x) { }
2321
}");
2322 2323
        }

J
Jared Parsons 已提交
2324
        [WorkItem(544612, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544612")]
2325
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2326
        public async Task InlineIntoBracketedList()
2327
        {
C
CyrusNajmabadi 已提交
2328
            await TestInRegularAndScriptAsync(
2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351
            @"
class C
{
    void M()
    {
        var c = new C();
        int x[||] = 1;
        c[x] = 2;
    }

    int this[object x] { set { } }
}",

            @"
class C
{
    void M()
    {
        var c = new C();
        c[1] = 2;
    }

    int this[object x] { set { } }
2352
}");
2353 2354
        }

J
Jared Parsons 已提交
2355
        [WorkItem(542648, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/542648")]
2356
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2357
        public async Task ParenthesizeAfterCastIfNeeded()
2358
        {
2359
            await TestAsync(
2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385
            @"
using System;

enum E { }

class Program
{
    static void Main()
    {
        E x[||] = (global::E) -1;
        object y = x;
    }
}",

            @"
using System;

enum E { }

class Program
{
    static void Main()
    {
        object y = (global::E)-1;
    }
}",
2386
            parseOptions: null);
2387 2388
        }

J
Jared Parsons 已提交
2389
        [WorkItem(544635, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544635")]
2390
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2391
        public async Task InsertCastForEnumZeroIfBoxed()
2392
        {
2393
            await TestAsync(
2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415
            @"
using System;
class Program
{
    static void M()
    {
        DayOfWeek x[||] = 0;
        object y = x;
        Console.WriteLine(y);
    }
}",

            @"
using System;
class Program
{
    static void M()
    {
        object y = (DayOfWeek)0;
        Console.WriteLine(y);
    }
}",
2416
            parseOptions: null);
2417 2418
        }

J
Jared Parsons 已提交
2419 2420
        [WorkItem(544636, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544636")]
        [WorkItem(554010, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/554010")]
2421
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2422
        public async Task InsertCastForMethodGroupIfNeeded1()
2423
        {
2424
            await TestAsync(
2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444
            @"
using System;
class Program
{
    static void M()
    {
        Action a[||] = Console.WriteLine;
        Action b = a + Console.WriteLine;
    }
}",

            @"
using System;
class Program
{
    static void M()
    {
        Action b = (Action)Console.WriteLine + Console.WriteLine;
    }
}",
2445
            parseOptions: null);
2446 2447
        }

J
Jared Parsons 已提交
2448 2449
        [WorkItem(544978, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544978")]
        [WorkItem(554010, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/554010")]
2450
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2451
        public async Task InsertCastForMethodGroupIfNeeded2()
2452
        {
2453
            await TestAsync(
2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473
            @"
using System;
class Program
{
    static void Main()
    {
        Action a[||] = Console.WriteLine;
        object b = a;
    }
}",

            @"
using System;
class Program
{
    static void Main()
    {
        object b = (Action)Console.WriteLine;
    }
}",
2474
            parseOptions: null);
2475 2476
        }

J
Jared Parsons 已提交
2477
        [WorkItem(545103, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545103")]
2478
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2479
        public async Task DontInsertCastForTypeThatNoLongerBindsToTheSameType()
2480
        {
2481
            await TestAsync(
2482 2483 2484 2485 2486 2487
            @"
class A<T>
{
    static T x;
    class B<U>
    {
2488
        static void Goo()
2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501
        {
            var y[||] = x;
            var z = y;
        }
    }
}",

            @"
class A<T>
{
    static T x;
    class B<U>
    {
2502
        static void Goo()
2503 2504 2505 2506 2507
        {
            var z = x;
        }
    }
}",
2508
            parseOptions: null);
2509 2510
        }

J
Jared Parsons 已提交
2511
        [WorkItem(545170, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545170")]
2512
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2513
        public async Task InsertCorrectCastForDelegateCreationExpression()
2514
        {
C
CyrusNajmabadi 已提交
2515
            await TestInRegularAndScriptAsync(
2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538
            @"
using System;
 
class Program
{
    static void Main()
    {
        Predicate<object> x[||] = y => true;
        var z = new Func<string, bool>(x);
    }
}
",

            @"
using System;
 
class Program
{
    static void Main()
    {
        var z = new Func<string, bool>(y => true);
    }
}
2539
");
2540 2541
        }

J
Jared Parsons 已提交
2542
        [WorkItem(545523, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545523")]
2543
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2544
        public async Task DontInsertCastForObjectCreationIfUnneeded()
2545
        {
C
CyrusNajmabadi 已提交
2546
            await TestInRegularAndScriptAsync(
2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567
            @"
using System;
class Program
{
    static void Main()
    {
        Exception e[||] = new ArgumentException();
        Type b = e.GetType();
    }
}
",

            @"
using System;
class Program
{
    static void Main()
    {
        Type b = new ArgumentException().GetType();
    }
}
2568
");
2569 2570
        }

2571
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2572
        public async Task DontInsertCastInForeachIfUnneeded01()
2573
        {
C
CyrusNajmabadi 已提交
2574
            await TestInRegularAndScriptAsync(
2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601
            @"
using System;
using System.Collections.Generic;

class Program
{
    static void Main()
    {
        IEnumerable<char> s[||] = ""abc"";
        foreach (var x in s)
            Console.WriteLine(x);
    }
}
",

            @"
using System;
using System.Collections.Generic;

class Program
{
    static void Main()
    {
        foreach (var x in ""abc"")
            Console.WriteLine(x);
    }
}
2602
");
2603 2604
        }

2605
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2606
        public async Task InsertCastInForeachIfNeeded01()
2607
        {
C
CyrusNajmabadi 已提交
2608
            await TestInRegularAndScriptAsync(
2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635
            @"
using System;
using System.Collections;

class Program
{
    static void Main()
    {
        IEnumerable s[||] = ""abc"";
        foreach (object x in s)
            Console.WriteLine(x);
    }
}
",

            @"
using System;
using System.Collections;

class Program
{
    static void Main()
    {
        foreach (object x in (IEnumerable)""abc"")
            Console.WriteLine(x);
    }
}
2636
");
2637 2638
        }

2639
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2640
        public async Task InsertCastInForeachIfNeeded02()
2641
        {
C
CyrusNajmabadi 已提交
2642
            await TestInRegularAndScriptAsync(
2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669
            @"
using System;
using System.Collections;

class Program
{
    static void Main()
    {
        IEnumerable s[||] = ""abc"";
        foreach (char x in s)
            Console.WriteLine(x);
    }
}
",

            @"
using System;
using System.Collections;

class Program
{
    static void Main()
    {
        foreach (char x in (IEnumerable)""abc"")
            Console.WriteLine(x);
    }
}
2670
");
2671 2672
        }

J
Jared Parsons 已提交
2673
        [WorkItem(545601, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545601")]
2674
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2675
        public async Task InsertCastToKeepGenericMethodInference()
2676
        {
C
CyrusNajmabadi 已提交
2677
            await TestInRegularAndScriptAsync(
2678 2679 2680 2681
            @"
using System;
class C
{
2682
    static T Goo<T>(T x, T y) { return default(T); }
2683 2684 2685 2686

    static void M()
    {
        long [||]x = 1;
2687
        IComparable<long> c = Goo(x, x);
2688 2689 2690 2691 2692 2693 2694 2695
    }
}
",

            @"
using System;
class C
{
2696
    static T Goo<T>(T x, T y) { return default(T); }
2697 2698 2699

    static void M()
    {
2700
        IComparable<long> c = Goo(1, (long)1);
2701 2702
    }
}
2703
");
2704 2705
        }

J
Jared Parsons 已提交
2706
        [WorkItem(545601, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545601")]
2707
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2708
        public async Task InsertCastForKeepImplicitArrayInference()
2709
        {
C
CyrusNajmabadi 已提交
2710
            await TestInRegularAndScriptAsync(
2711 2712 2713 2714 2715 2716 2717
            @"
class C
{
    static void M()
    {
        object x[||] = null;
        var a = new[] { x, x };
2718
        Goo(a);
2719 2720
    }

2721
    static void Goo(object[] o) { }
2722 2723 2724 2725 2726 2727 2728 2729 2730
}
",

            @"
class C
{
    static void M()
    {
        var a = new[] { null, (object)null };
2731
        Goo(a);
2732 2733
    }

2734
    static void Goo(object[] o) { }
2735
}
2736
");
2737 2738
        }

J
Jared Parsons 已提交
2739
        [WorkItem(545601, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545601")]
2740
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2741
        public async Task InsertASingleCastToNotBreakOverloadResolution()
2742
        {
C
CyrusNajmabadi 已提交
2743
            await TestInRegularAndScriptAsync(
2744 2745 2746 2747 2748 2749
            @"
class C
{
    static void M()
    {
        long x[||] = 42;
2750
        Goo(x, x);
2751 2752
    }

2753 2754
    static void Goo(int x, int y) { }
    static void Goo(long x, long y) { }
2755 2756 2757 2758 2759 2760 2761
}",

            @"
class C
{
    static void M()
    {
2762
        Goo(42, (long)42);
2763 2764
    }

2765 2766
    static void Goo(int x, int y) { }
    static void Goo(long x, long y) { }
2767
}");
2768 2769
        }

J
Jared Parsons 已提交
2770
        [WorkItem(545601, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545601")]
2771
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2772
        public async Task InsertASingleCastToNotBreakOverloadResolutionInLambdas()
2773
        {
C
CyrusNajmabadi 已提交
2774
            await TestInRegularAndScriptAsync(
2775 2776 2777 2778 2779 2780 2781
            @"
using System;
class C
{
    static void M()
    {
        long x[||] = 42;
2782
        Goo(() => { return x; }, () => { return x; });
2783 2784
    }

2785 2786
    static void Goo(Func<int> x, Func<int> y) { }
    static void Goo(Func<long> x, Func<long> y) { }
2787 2788 2789 2790 2791 2792 2793 2794
}",

            @"
using System;
class C
{
    static void M()
    {
2795
        Goo(() => { return 42; }, (Func<long>)(() => { return 42; }));
2796 2797
    }

2798 2799
    static void Goo(Func<int> x, Func<int> y) { }
    static void Goo(Func<long> x, Func<long> y) { }
2800
}");
2801 2802
        }

J
Jared Parsons 已提交
2803
        [WorkItem(545601, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545601")]
2804
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2805
        public async Task InsertASingleCastToNotBreakResolutionOfOperatorOverloads()
2806
        {
C
CyrusNajmabadi 已提交
2807
            await TestInRegularAndScriptAsync(
2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864
            @"
using System;
class C
{
    private int value;

    void M()
    {
        C x[||] = 42;
        Console.WriteLine(x + x);
    }

    public static int operator +(C x, C y)
    {
        return x.value + y.value;
    }

    public static implicit operator C(int l)
    {
        var c = new C();
        c.value = l;
        return c;
    }

    static void Main()
    {
        new C().M();
    }
}",

            @"
using System;
class C
{
    private int value;

    void M()
    {
        Console.WriteLine(42 + (C)42);
    }

    public static int operator +(C x, C y)
    {
        return x.value + y.value;
    }

    public static implicit operator C(int l)
    {
        var c = new C();
        c.value = l;
        return c;
    }

    static void Main()
    {
        new C().M();
    }
2865
}");
2866 2867
        }

J
Jared Parsons 已提交
2868
        [WorkItem(545561, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545561")]
2869
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2870
        public async Task InsertCastToNotBreakOverloadResolutionInUncheckedContext()
2871
        {
C
CyrusNajmabadi 已提交
2872
            await TestInRegularAndScriptAsync(
2873 2874 2875 2876 2877
            @"
using System;

class X
{
2878 2879
    static int Goo(Func<int?, byte> x, object y) { return 1; }
    static int Goo(Func<X, byte> x, string y) { return 2; }
2880 2881 2882 2883

    const int Value = 1000;
    static void Main()
    {
2884
        var a[||] = Goo(X => (byte)X.Value, null);
2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896
        unchecked
        {
            Console.WriteLine(a);
        }
    }
}",

            @"
using System;

class X
{
2897 2898
    static int Goo(Func<int?, byte> x, object y) { return 1; }
    static int Goo(Func<X, byte> x, string y) { return 2; }
2899 2900 2901 2902 2903 2904

    const int Value = 1000;
    static void Main()
    {
        unchecked
        {
2905
            Console.WriteLine(Goo(X => (byte)X.Value, (object)null));
2906 2907
        }
    }
2908
}");
2909 2910
        }

J
Jared Parsons 已提交
2911
        [WorkItem(545564, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545564")]
2912
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2913
        public async Task InsertCastToNotBreakOverloadResolutionInUnsafeContext()
2914
        {
C
CyrusNajmabadi 已提交
2915
            await TestInRegularAndScriptAsync(
2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954
            @"
using System;

static class C
{
    static int Outer(Action<int> x, object y) { return 1; }
    static int Outer(Action<string> x, string y) { return 2; }

    static void Inner(int x, int[] y) { }
    unsafe static void Inner(string x, int*[] y) { }

    static void Main()
    {
        var a[||] = Outer(x => Inner(x, null), null);
        unsafe
        {
            Console.WriteLine(a);
        }
    }
}",

            @"
using System;

static class C
{
    static int Outer(Action<int> x, object y) { return 1; }
    static int Outer(Action<string> x, string y) { return 2; }

    static void Inner(int x, int[] y) { }
    unsafe static void Inner(string x, int*[] y) { }

    static void Main()
    {
        unsafe
        {
            Console.WriteLine(Outer(x => Inner(x, null), (object)null));
        }
    }
2955
}");
2956 2957
        }

J
Jared Parsons 已提交
2958
        [WorkItem(545783, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/545783")]
2959
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
2960
        public async Task InsertCastToNotBreakOverloadResolutionInNestedLambdas()
2961
        {
C
CyrusNajmabadi 已提交
2962
            await TestInRegularAndScriptAsync(
2963 2964 2965 2966 2967
            @"
using System;

class C
{
2968 2969
    static void Goo(Action<object> a) { }
    static void Goo(Action<string> a) { }
2970 2971 2972

    static void Main()
    {
2973
        Goo(x =>
2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985
        {
            string s[||] = x;
            var y = s;
        });
    }
}",

            @"
using System;

class C
{
2986 2987
    static void Goo(Action<object> a) { }
    static void Goo(Action<string> a) { }
2988 2989 2990

    static void Main()
    {
2991
        Goo((Action<string>)(x =>
2992 2993 2994 2995
        {
            var y = x;
        }));
    }
2996
}");
2997 2998
        }

J
Jared Parsons 已提交
2999
        [WorkItem(546069, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/546069")]
3000
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
3001
        public async Task TestBrokenVariableDeclarator()
3002
        {
C
CyrusNajmabadi 已提交
3003
            await TestMissingInRegularAndScriptAsync(
3004 3005 3006 3007
@"class C
{
    static void M()
    {
C
CyrusNajmabadi 已提交
3008 3009 3010 3011
        int [||]a[10] = {
            0,
            0
        };
3012 3013 3014 3015 3016
        System.Console.WriteLine(a);
    }
}");
        }

3017
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
3018
        public async Task TestHiddenRegion1()
3019
        {
C
CyrusNajmabadi 已提交
3020
            await TestMissingInRegularAndScriptAsync(
3021 3022 3023 3024 3025 3026
@"class Program
{
    void Main()
    {
        int [|x|] = 0;

C
CyrusNajmabadi 已提交
3027
#line hidden
3028
        Goo(x);
C
CyrusNajmabadi 已提交
3029
#line default
3030 3031 3032 3033
    }
}");
        }

3034
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
3035
        public async Task TestHiddenRegion2()
3036
        {
C
CyrusNajmabadi 已提交
3037
            await TestMissingInRegularAndScriptAsync(
3038 3039 3040 3041 3042
@"class Program
{
    void Main()
    {
        int [|x|] = 0;
3043
        Goo(x);
C
CyrusNajmabadi 已提交
3044
#line hidden
3045
        Goo(x);
C
CyrusNajmabadi 已提交
3046
#line default
3047 3048 3049 3050
    }
}");
        }

3051
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
3052
        public async Task TestHiddenRegion3()
3053
        {
C
CyrusNajmabadi 已提交
3054
            await TestInRegularAndScriptAsync(
3055 3056 3057 3058 3059 3060 3061
@"#line default
class Program
{
    void Main()
    {
        int [|x|] = 0;

3062
        Goo(x);
3063
        #line hidden
3064
        Goo();
3065 3066 3067 3068 3069 3070 3071 3072 3073
        #line default
    }
}",
@"#line default
class Program
{
    void Main()
    {

3074
        Goo(0);
3075
        #line hidden
3076
        Goo();
3077 3078
        #line default
    }
3079
}");
3080 3081
        }

3082
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
3083
        public async Task TestHiddenRegion4()
3084
        {
C
CyrusNajmabadi 已提交
3085
            await TestInRegularAndScriptAsync(
3086 3087 3088 3089 3090 3091 3092
@"#line default
class Program
{
    void Main()
    {
        int [||]x = 0;

3093
        Goo(x);
3094
#line hidden
3095
        Goo();
3096
#line default
3097
        Goo(x);
3098 3099 3100 3101 3102 3103 3104 3105
    }
}",
@"#line default
class Program
{
    void Main()
    {

3106
        Goo(0);
3107
#line hidden
3108
        Goo();
3109
#line default
3110
        Goo(0);
3111
    }
3112
}");
3113 3114
        }

3115
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
3116
        public async Task TestHiddenRegion5()
3117
        {
C
CyrusNajmabadi 已提交
3118
            await TestMissingInRegularAndScriptAsync(
3119 3120 3121 3122 3123
@"class Program
{
    void Main()
    {
        int [||]x = 0;
3124
        Goo(x);
3125
#line hidden
3126
        Goo(x);
3127
#line default
3128
        Goo(x);
3129 3130 3131 3132
    }
}");
        }

J
Jared Parsons 已提交
3133
        [WorkItem(530743, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/530743")]
3134
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
3135
        public async Task InlineFromLabeledStatement()
3136
        {
C
CyrusNajmabadi 已提交
3137
            await TestInRegularAndScriptAsync(
3138 3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162
            @"
using System;
 
class Program
{
    static void Main()
    {
    label:
        int [||]x = 1;
        Console.WriteLine();
        int y = x;        
    }
}",

            @"
using System;
 
class Program
{
    static void Main()
    {
    label:
        Console.WriteLine();
        int y = 1;        
    }
3163
}");
3164 3165
        }

J
Jared Parsons 已提交
3166
        [WorkItem(529698, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/529698")]
3167
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
3168
        public async Task InlineCompoundAssignmentIntoInitializer()
3169
        {
C
CyrusNajmabadi 已提交
3170
            await TestInRegularAndScriptAsync(
3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193
            @"
using System.Collections.Generic;

class Program
{
    static void Main()
    {
        int x = 0;
        int y[||] = x += 1;
        var z = new List<int> { y };
    }
}",

            @"
using System.Collections.Generic;

class Program
{
    static void Main()
    {
        int x = 0;
        var z = new List<int> { (x += 1) };
    }
3194
}");
3195 3196
        }

J
Jared Parsons 已提交
3197
        [WorkItem(609497, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/609497")]
3198
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
3199
        public async Task Bugfix_609497()
3200
        {
C
CyrusNajmabadi 已提交
3201
            await TestInRegularAndScriptAsync(
3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222
            @"
using System.Collections.Generic;
 
class Program
{
    static void Main()
    {
        IList<dynamic> x[||] = new List<object>();
        IList<object> y = x;
    }
}",

            @"
using System.Collections.Generic;
 
class Program
{
    static void Main()
    {
        IList<object> y = new List<object>();
    }
3223
}");
3224 3225
        }

J
Jared Parsons 已提交
3226
        [WorkItem(636319, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/636319")]
3227
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
3228
        public async Task Bugfix_636319()
3229
        {
C
CyrusNajmabadi 已提交
3230
            await TestInRegularAndScriptAsync(
3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253
            @"
using System.Collections.Generic;
 
class Program
{
    static void Main()
    {
        IList<object> x[||] = new List<dynamic>();
        IList<dynamic> y = x;
    }
}
",

            @"
using System.Collections.Generic;
 
class Program
{
    static void Main()
    {
        IList<dynamic> y = new List<dynamic>();
    }
}
3254
");
3255 3256
        }

J
Jared Parsons 已提交
3257
        [WorkItem(609492, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/609492")]
3258
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
3259
        public async Task Bugfix_609492()
3260
        {
C
CyrusNajmabadi 已提交
3261
            await TestInRegularAndScriptAsync(
3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284
            @"
using System;
 
class Program
{
    static void Main()
    {
        ValueType x[||] = 1;
        object y = x;
    }
}
",

            @"
using System;
 
class Program
{
    static void Main()
    {
        object y = 1;
    }
}
3285
");
3286 3287
        }

J
Jared Parsons 已提交
3288
        [WorkItem(529950, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/529950")]
3289
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
3290
        public async Task InlineTempDoesNotInsertUnnecessaryExplicitTypeInLambdaParameter()
3291
        {
C
CyrusNajmabadi 已提交
3292
            await TestInRegularAndScriptAsync(
3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326 3327 3328
            @"
using System;

static class C
{
    static void Inner(Action<string> x, string y) { }
    static void Inner(Action<string> x, int y) { }
    static void Inner(Action<int> x, int y) { }

    static void Outer(Action<string> x, object y) { Console.WriteLine(1); }
    static void Outer(Action<int> x, string y) { Console.WriteLine(2); }

    static void Main()
    {
        Outer(y => Inner(x => { var z[||] = x; Action a = () => z.GetType(); }, y), null);
    }
}
",

            @"
using System;

static class C
{
    static void Inner(Action<string> x, string y) { }
    static void Inner(Action<string> x, int y) { }
    static void Inner(Action<int> x, int y) { }

    static void Outer(Action<string> x, object y) { Console.WriteLine(1); }
    static void Outer(Action<int> x, string y) { Console.WriteLine(2); }

    static void Main()
    {
        Outer(y => Inner(x => { Action a = () => x.GetType(); }, y), null);
    }
}
3329
");
3330 3331
        }

J
Jared Parsons 已提交
3332
        [WorkItem(619425, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/619425")]
3333
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
3334
        public async Task Bugfix_619425_RestrictedSimpleNameExpansion()
3335
        {
C
CyrusNajmabadi 已提交
3336
            await TestInRegularAndScriptAsync(
3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367
            @"
class A<B>
{
    class C : A<C>
    {
        class B : C
        {
            void M()
            {
                var x[||] = new C[0];
                C[] y = x;
            }
        }
    }
}
",

            @"
class A<B>
{
    class C : A<C>
    {
        class B : C
        {
            void M()
            {
                C[] y = new C[0];
            }
        }
    }
}
3368
");
3369 3370
        }

J
Jared Parsons 已提交
3371
        [WorkItem(529840, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/529840")]
3372
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
3373
        public async Task Bugfix_529840_DetectSemanticChangesAtInlineSite()
3374
        {
C
CyrusNajmabadi 已提交
3375
            await TestInRegularAndScriptAsync(
3376 3377 3378 3379 3380 3381 3382 3383
            @"
using System;
 
class A
{
    static void Main()
    {
        var a[||] = new A(); // Inline a
3384
        Goo(a);
3385 3386
    }
 
3387
    static void Goo(long x)
3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411
    {
        Console.WriteLine(x);
    }
 
    public static implicit operator int (A x)
    {
        return 1;
    }
 
    public static explicit operator long (A x)
    {
        return 2;
    }
}
",

            @"
using System;
 
class A
{
    static void Main()
    {
        // Inline a
3412
        Goo(new A());
3413 3414
    }
 
3415
    static void Goo(long x)
3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429
    {
        Console.WriteLine(x);
    }
 
    public static implicit operator int (A x)
    {
        return 1;
    }
 
    public static explicit operator long (A x)
    {
        return 2;
    }
}
3430
");
3431 3432
        }

J
Jared Parsons 已提交
3433
        [WorkItem(1091946, "http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/1091946")]
3434
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
3435
        public async Task TestConditionalAccessWithConversion()
3436
        {
C
CyrusNajmabadi 已提交
3437
            await TestInRegularAndScriptAsync(
C
CyrusNajmabadi 已提交
3438
@"class A
3439 3440 3441 3442 3443 3444
{
    bool M(string[] args)
    {
        var [|x|] = args[0];
        return x?.Length == 0;
    }
D
dotnet-bot 已提交
3445
}",
C
CyrusNajmabadi 已提交
3446
@"class A
3447 3448 3449
{
    bool M(string[] args)
    {
3450 3451 3452 3453 3454
        return args[0]?.Length == 0;
    }
}");
        }

3455
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
3456
        public async Task TestSimpleConditionalAccess()
3457
        {
C
CyrusNajmabadi 已提交
3458
            await TestInRegularAndScriptAsync(
C
CyrusNajmabadi 已提交
3459
@"class A
3460 3461 3462 3463 3464 3465
{
    void M(string[] args)
    {
        var [|x|] = args.Length.ToString();
        var y = x?.ToString();
    }
D
dotnet-bot 已提交
3466
}",
C
CyrusNajmabadi 已提交
3467
@"class A
3468 3469 3470 3471 3472 3473 3474 3475
{
    void M(string[] args)
    {
        var y = args.Length.ToString()?.ToString();
    }
}");
        }

3476
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
3477
        public async Task TestConditionalAccessWithConditionalExpression()
3478
        {
C
CyrusNajmabadi 已提交
3479
            await TestInRegularAndScriptAsync(
C
CyrusNajmabadi 已提交
3480
@"class A
3481 3482 3483 3484 3485 3486
{
    void M(string[] args)
    {
        var [|x|] = args[0]?.Length ?? 10;
        var y = x == 10 ? 10 : 4;
    }
D
dotnet-bot 已提交
3487
}",
C
CyrusNajmabadi 已提交
3488
@"class A
3489 3490 3491 3492
{
    void M(string[] args)
    {
        var y = (args[0]?.Length ?? 10) == 10 ? 10 : 4;
3493 3494 3495 3496
    }
}");
        }

3497
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
3498
        [WorkItem(2593, "https://github.com/dotnet/roslyn/issues/2593")]
3499
        public async Task TestConditionalAccessWithExtensionMethodInvocation()
3500
        {
C
CyrusNajmabadi 已提交
3501
            await TestInRegularAndScriptAsync(
C
CyrusNajmabadi 已提交
3502
@"using System;
3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522
using System.Collections.Generic;
using System.Linq;

static class M
{
    public static IEnumerable<string> Something(this C cust)
    {
        throw new NotImplementedException();
    }
}

class C
{
    private object GetAssemblyIdentity(IEnumerable<C> types)
    {
        foreach (var t in types)
        {
            var [|assembly|] = t?.Something().First();
            var identity = assembly?.ToArray();
        }
C
CyrusNajmabadi 已提交
3523

3524 3525
        return null;
    }
D
dotnet-bot 已提交
3526
}",
C
CyrusNajmabadi 已提交
3527
@"using System;
3528 3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544
using System.Collections.Generic;
using System.Linq;

static class M
{
    public static IEnumerable<string> Something(this C cust)
    {
        throw new NotImplementedException();
    }
}

class C
{
    private object GetAssemblyIdentity(IEnumerable<C> types)
    {
        foreach (var t in types)
        {
C
Cyrus Najmabadi 已提交
3545
            var identity = (t?.Something().First())?.ToArray();
3546
        }
C
CyrusNajmabadi 已提交
3547

3548 3549
        return null;
    }
C
CyrusNajmabadi 已提交
3550
}");
3551 3552
        }

3553
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
3554
        [WorkItem(2593, "https://github.com/dotnet/roslyn/issues/2593")]
3555
        public async Task TestConditionalAccessWithExtensionMethodInvocation_2()
3556
        {
C
CyrusNajmabadi 已提交
3557
            await TestInRegularAndScriptAsync(
C
CyrusNajmabadi 已提交
3558
@"using System;
3559 3560 3561 3562 3563 3564 3565 3566 3567 3568 3569 3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583
using System.Collections.Generic;
using System.Linq;

static class M
{
    public static IEnumerable<string> Something(this C cust)
    {
        throw new NotImplementedException();
    }

    public static Func<C> Something2(this C cust)
    {
        throw new NotImplementedException();
    }
}

class C
{
    private object GetAssemblyIdentity(IEnumerable<C> types)
    {
        foreach (var t in types)
        {
            var [|assembly|] = (t?.Something2())()?.Something().First();
            var identity = assembly?.ToArray();
        }
C
CyrusNajmabadi 已提交
3584

3585 3586
        return null;
    }
D
dotnet-bot 已提交
3587
}",
C
CyrusNajmabadi 已提交
3588
@"using System;
3589 3590 3591 3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608 3609 3610
using System.Collections.Generic;
using System.Linq;

static class M
{
    public static IEnumerable<string> Something(this C cust)
    {
        throw new NotImplementedException();
    }

    public static Func<C> Something2(this C cust)
    {
        throw new NotImplementedException();
    }
}

class C
{
    private object GetAssemblyIdentity(IEnumerable<C> types)
    {
        foreach (var t in types)
        {
C
Cyrus Najmabadi 已提交
3611
            var identity = ((t?.Something2())()?.Something().First())?.ToArray();
3612
        }
C
CyrusNajmabadi 已提交
3613

3614 3615
        return null;
    }
C
CyrusNajmabadi 已提交
3616
}");
3617 3618
        }

3619
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
3620
        public async Task TestAliasQualifiedNameIntoInterpolation()
3621
        {
C
CyrusNajmabadi 已提交
3622
            await TestInRegularAndScriptAsync(
C
CyrusNajmabadi 已提交
3623
@"class A
3624 3625 3626 3627 3628 3629
{
    void M()
    {
        var [|g|] = global::System.Guid.Empty;
        var s = $""{g}"";
    }
D
dotnet-bot 已提交
3630
}",
C
CyrusNajmabadi 已提交
3631
@"class A
3632 3633 3634 3635 3636 3637 3638 3639
{
    void M()
    {
        var s = $""{(global::System.Guid.Empty)}"";
    }
}");
        }

3640
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
3641
        public async Task TestConditionalExpressionIntoInterpolation()
3642
        {
C
CyrusNajmabadi 已提交
3643
            await TestInRegularAndScriptAsync(
C
CyrusNajmabadi 已提交
3644
@"class A
3645 3646 3647 3648 3649 3650
{
    bool M(bool b)
    {
        var [|x|] = b ? 19 : 23;
        var s = $""{x}"";
    }
D
dotnet-bot 已提交
3651
}",
C
CyrusNajmabadi 已提交
3652
@"class A
3653 3654 3655 3656 3657 3658 3659 3660
{
    bool M(bool b)
    {
        var s = $""{(b ? 19 : 23)}"";
    }
}");
        }

3661
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
3662
        public async Task TestConditionalExpressionIntoInterpolationWithFormatClause()
3663
        {
C
CyrusNajmabadi 已提交
3664
            await TestInRegularAndScriptAsync(
C
CyrusNajmabadi 已提交
3665
@"class A
3666 3667 3668 3669 3670 3671
{
    bool M(bool b)
    {
        var [|x|] = b ? 19 : 23;
        var s = $""{x:x}"";
    }
D
dotnet-bot 已提交
3672
}",
C
CyrusNajmabadi 已提交
3673
@"class A
3674 3675 3676 3677 3678 3679 3680 3681
{
    bool M(bool b)
    {
        var s = $""{(b ? 19 : 23):x}"";
    }
}");
        }

3682
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
3683
        public async Task TestInvocationExpressionIntoInterpolation()
3684
        {
C
CyrusNajmabadi 已提交
3685
            await TestInRegularAndScriptAsync(
C
CyrusNajmabadi 已提交
3686
@"class A
3687 3688 3689 3690 3691 3692
{
    public static void M(string s)
    {
        var [|x|] = s.ToUpper();
        var y = $""{x}"";
    }
D
dotnet-bot 已提交
3693
}",
C
CyrusNajmabadi 已提交
3694
@"class A
3695 3696 3697 3698 3699
{
    public static void M(string s)
    {
        var y = $""{s.ToUpper()}"";
    }
3700 3701 3702 3703
}");
        }

        [WorkItem(4583, "https://github.com/dotnet/roslyn/issues/4583")]
3704
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
O
Omar Tawfik 已提交
3705
        public async Task DontParenthesizeInterpolatedStringWithNoInterpolation_CSharp7()
3706
        {
C
CyrusNajmabadi 已提交
3707
            await TestInRegularAndScriptAsync(
C
CyrusNajmabadi 已提交
3708
@"class C
3709 3710 3711 3712 3713 3714
{
    public void M()
    {
        var [|s1|] = $""hello"";
        var s2 = string.Replace(s1, ""world"");
    }
O
Omar Tawfik 已提交
3715
}",
C
CyrusNajmabadi 已提交
3716
@"class C
3717 3718 3719 3720 3721
{
    public void M()
    {
        var s2 = string.Replace($""hello"", ""world"");
    }
O
Omar Tawfik 已提交
3722 3723 3724 3725
}", parseOptions: TestOptions.Regular7);
        }

        [WorkItem(4583, "https://github.com/dotnet/roslyn/issues/4583")]
3726 3727 3728
        [WorkItem(33108, "https://github.com/dotnet/roslyn/issues/33108")]
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task CastInterpolatedStringWhenInliningIntoInvalidCall()
O
Omar Tawfik 已提交
3729
        {
3730 3731
            // Note: This is an error case.  This test just demonstrates our current behavior.  It
            // is ok if this behavior changes in the future in response to an implementation change.
O
Omar Tawfik 已提交
3732 3733 3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744
            await TestInRegularAndScriptAsync(
@"class C
{
    public void M()
    {
        var [|s1|] = $""hello"";
        var s2 = string.Replace(s1, ""world"");
    }
}",
@"class C
{
    public void M()
    {
3745
        var s2 = string.Replace((string)$""hello"", ""world"");
O
Omar Tawfik 已提交
3746
    }
3747 3748 3749
}");
        }

3750 3751 3752 3753 3754 3755 3756 3757 3758 3759 3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772 3773 3774 3775 3776
        [WorkItem(4583, "https://github.com/dotnet/roslyn/issues/4583")]
        [WorkItem(33108, "https://github.com/dotnet/roslyn/issues/33108")]
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task DoNotCastInterpolatedStringWhenInliningIntoValidCall()
        {
            await TestInRegularAndScriptAsync(
@"class C
{
    public void M()
    {
        var [|s1|] = $""hello"";
        var s2 = Replace(s1, ""world"");
    }

    void Replace(string s1, string s2) { }
}",
@"class C
{
    public void M()
    {
        var s2 = Replace($""hello"", ""world"");
    }

    void Replace(string s1, string s2) { }
}");
        }

3777
        [WorkItem(4583, "https://github.com/dotnet/roslyn/issues/4583")]
3778
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
O
Omar Tawfik 已提交
3779
        public async Task DontParenthesizeInterpolatedStringWithInterpolation_CSharp7()
3780
        {
C
CyrusNajmabadi 已提交
3781
            await TestInRegularAndScriptAsync(
C
CyrusNajmabadi 已提交
3782
@"class C
3783 3784 3785 3786 3787 3788
{
    public void M(int x)
    {
        var [|s1|] = $""hello {x}"";
        var s2 = string.Replace(s1, ""world"");
    }
O
Omar Tawfik 已提交
3789
}",
C
CyrusNajmabadi 已提交
3790
@"class C
3791 3792 3793 3794 3795
{
    public void M(int x)
    {
        var s2 = string.Replace($""hello {x}"", ""world"");
    }
O
Omar Tawfik 已提交
3796 3797 3798 3799
}", parseOptions: TestOptions.Regular7);
        }

        [WorkItem(4583, "https://github.com/dotnet/roslyn/issues/4583")]
A
Andy Gocke 已提交
3800
        [Fact(Skip = "https://github.com/dotnet/roslyn/issues/33108"), Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
O
Omar Tawfik 已提交
3801 3802 3803 3804 3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815
        public async Task DontParenthesizeInterpolatedStringWithInterpolation()
        {
            await TestInRegularAndScriptAsync(
@"class C
{
    public void M(int x)
    {
        var [|s1|] = $""hello {x}"";
        var s2 = string.Replace(s1, ""world"");
    }
}",
@"class C
{
    public void M(int x)
    {
A
Andy Gocke 已提交
3816
        var s2 = string.Replace($""hello {x}"", ""world"");
O
Omar Tawfik 已提交
3817
    }
3818 3819
}");
        }
3820

3821 3822 3823 3824
        [WorkItem(15530, "https://github.com/dotnet/roslyn/issues/15530")]
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task PArenthesizeAwaitInlinedIntoReducedExtensionMethod()
        {
C
CyrusNajmabadi 已提交
3825
            await TestInRegularAndScriptAsync(
3826 3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839 3840 3841 3842 3843 3844 3845 3846 3847 3848
@"using System.Linq;
using System.Threading.Tasks;

internal class C
{
    async Task M()
    {
        var [|t|] = await Task.FromResult("""");
        t.Any();
    }
}",
@"using System.Linq;
using System.Threading.Tasks;

internal class C
{
    async Task M()
    {
        (await Task.FromResult("""")).Any();
    }
}");
        }

3849
        [WorkItem(4583, "https://github.com/dotnet/roslyn/issues/4583")]
3850
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
3851
        public async Task InlineFormattableStringIntoCallSiteRequiringFormattableString()
3852
        {
3853 3854 3855
            const string initial = @"
using System;
" + CodeSnippets.FormattableStringType + @"
3856 3857 3858 3859 3860 3861 3862 3863 3864 3865 3866 3867 3868
class C
{
    static void M(FormattableString s)
    {
    }

    static void N(int x, int y)
    {
        FormattableString [||]s = $""{x}, {y}"";
        M(s);
    }
}";

3869 3870 3871
            const string expected = @"
using System;
" + CodeSnippets.FormattableStringType + @"
3872 3873 3874 3875 3876 3877 3878 3879
class C
{
    static void M(FormattableString s)
    {
    }

    static void N(int x, int y)
    {
3880
        M($""{x}, {y}"");
3881 3882 3883
    }
}";

3884
            await TestInRegularAndScriptAsync(initial, expected);
3885 3886 3887
        }

        [WorkItem(4624, "https://github.com/dotnet/roslyn/issues/4624")]
3888
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
3889
        public async Task InlineFormattableStringIntoCallSiteWithFormattableStringOverload()
3890
        {
3891 3892 3893
            const string initial = @"
using System;
" + CodeSnippets.FormattableStringType + @"
3894 3895 3896 3897 3898 3899 3900 3901 3902 3903 3904 3905
class C
{
    static void M(string s) { }
    static void M(FormattableString s) { }

    static void N(int x, int y)
    {
        FormattableString [||]s = $""{x}, {y}"";
        M(s);
    }
}";

3906 3907 3908
            const string expected = @"
using System;
" + CodeSnippets.FormattableStringType + @"
3909 3910 3911 3912 3913 3914 3915
class C
{
    static void M(string s) { }
    static void M(FormattableString s) { }

    static void N(int x, int y)
    {
3916
        M((FormattableString)$""{x}, {y}"");
3917 3918
    }
}";
3919
            await TestInRegularAndScriptAsync(initial, expected);
3920
        }
D
Dustin Campbell 已提交
3921 3922 3923 3924 3925 3926 3927 3928 3929 3930 3931 3932 3933 3934 3935 3936 3937 3938 3939 3940 3941 3942 3943 3944 3945 3946 3947 3948 3949 3950 3951 3952 3953 3954 3955 3956 3957 3958

        [WorkItem(9576, "https://github.com/dotnet/roslyn/issues/9576")]
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task InlineIntoLambdaWithReturnStatementWithNoExpression()
        {
            const string initial = @"
using System;
class C
{
    static void M(Action a) { }

    static void N()
    {
        var [||]x = 42;
        M(() =>
        {
            Console.WriteLine(x);
            return;
        });
    }
}";

            const string expected = @"
using System;
class C
{
    static void M(Action a) { }

    static void N()
    {
        M(() =>
        {
            Console.WriteLine(42);
            return;
        });
    }
}";

3959
            await TestInRegularAndScriptAsync(initial, expected);
D
Dustin Campbell 已提交
3960
        }
3961 3962 3963 3964 3965 3966 3967 3968 3969 3970 3971 3972 3973 3974 3975

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task Tuples_Disabled()
        {
            var code = @"
using System;
class C
{
    public void M()
    {
        (int, string) [||]x = (1, ""hello"");
        x.ToString();
    }
}";

3976
            await TestMissingAsync(code, new TestParameters(parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp6)));
3977 3978 3979 3980 3981 3982 3983 3984 3985 3986 3987 3988 3989 3990 3991 3992 3993 3994 3995 3996 3997 3998
        }

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task Tuples()
        {
            var code = @"
using System;
class C
{
    public void M()
    {
        (int, string) [||]x = (1, ""hello"");
        x.ToString();
    }
}";

            var expected = @"
using System;
class C
{
    public void M()
    {
3999
        (1, ""hello"").ToString();
4000 4001 4002
    }
}";

4003
            await TestInRegularAndScriptAsync(code, expected);
4004 4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021 4022 4023 4024 4025
        }

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task TuplesWithNames()
        {
            var code = @"
using System;
class C
{
    public void M()
    {
        (int a, string b) [||]x = (a: 1, b: ""hello"");
        x.ToString();
    }
}";

            var expected = @"
using System;
class C
{
    public void M()
    {
4026
        (a: 1, b: ""hello"").ToString();
4027 4028 4029
    }
}";

4030
            await TestInRegularAndScriptAsync(code, expected);
4031 4032 4033 4034 4035 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048 4049 4050 4051
        }

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        [WorkItem(11028, "https://github.com/dotnet/roslyn/issues/11028")]
        public async Task TuplesWithDifferentNames()
        {
            var code = @"
class C
{
    public void M()
    {
        (int a, string b) [||]x = (c: 1, d: ""hello"");
        x.a.ToString();
    }
}";

            var expected = @"
class C
{
    public void M()
    {
4052
        (((int a, string b))(c: 1, d: ""hello"")).a.ToString();
4053 4054 4055
    }
}";

4056
            await TestInRegularAndScriptAsync(code, expected);
4057 4058 4059 4060 4061 4062 4063 4064 4065 4066 4067 4068 4069 4070 4071 4072 4073 4074 4075 4076 4077 4078 4079
        }

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task Deconstruction()
        {
            var code = @"
using System;
class C
{
    public void M()
    {
        var [||]temp = new C();
        var (x1, x2) = temp;
        var x3 = temp;
    }
}";

            var expected = @"
using System;
class C
{
    public void M()
    {
4080
        {|Warning:var (x1, x2) = new C()|};
4081 4082 4083 4084
        var x3 = new C();
    }
}";

C
CyrusNajmabadi 已提交
4085
            await TestInRegularAndScriptAsync(code, expected);
4086
        }
4087 4088 4089 4090 4091 4092 4093 4094 4095 4096 4097 4098 4099 4100 4101 4102 4103 4104 4105 4106 4107 4108 4109 4110 4111 4112 4113 4114

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        [WorkItem(12802, "https://github.com/dotnet/roslyn/issues/12802")]
        public async Task Deconstruction2()
        {
            var code = @"
class Program
{
    static void Main()
    {
        var [||]kvp = KVP.Create(42, ""hello"");
        var(x1, x2) = kvp;
    }
}
public static class KVP
{
    public static KVP<T1, T2> Create<T1, T2>(T1 item1, T2 item2) { return null; }
}
public class KVP<T1, T2>
{
    public void Deconstruct(out T1 item1, out T2 item2) { item1 = default(T1); item2 = default(T2); }
}";

            var expected = @"
class Program
{
    static void Main()
    {
4115
        var (x1, x2) = KVP.Create(42, ""hello"");
4116 4117 4118 4119 4120 4121 4122 4123 4124 4125 4126
    }
}
public static class KVP
{
    public static KVP<T1, T2> Create<T1, T2>(T1 item1, T2 item2) { return null; }
}
public class KVP<T1, T2>
{
    public void Deconstruct(out T1 item1, out T2 item2) { item1 = default(T1); item2 = default(T2); }
}";

C
CyrusNajmabadi 已提交
4127
            await TestInRegularAndScriptAsync(code, expected);
4128
        }
D
Dustin Campbell 已提交
4129 4130 4131 4132 4133 4134 4135 4136 4137 4138 4139 4140 4141 4142 4143 4144 4145 4146 4147 4148 4149 4150 4151 4152

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        [WorkItem(11958, "https://github.com/dotnet/roslyn/issues/11958")]
        public async Task EnsureParenthesesInStringConcatenation()
        {
            var code = @"
class C
{
    void M()
    {
        int [||]i = 1 + 2;
        string s = ""a"" + i;
    }
}";

            var expected = @"
class C
{
    void M()
    {
        string s = ""a"" + (1 + 2);
    }
}";

4153
            await TestInRegularAndScriptAsync(code, expected);
D
Dustin Campbell 已提交
4154
        }
4155 4156 4157 4158 4159 4160 4161 4162 4163 4164 4165 4166 4167 4168 4169 4170 4171 4172 4173 4174 4175 4176 4177

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task ExplicitTupleNameAdded()
        {
            var code = @"
class C
{
    void M()
    {
        int [||]i = 1 + 2;
        var t = (i, 3);
    }
}";

            var expected = @"
class C
{
    void M()
    {
        var t = (i: 1 + 2, 3);
    }
}";

4178
            await TestInRegularAndScriptAsync(code, expected);
4179 4180 4181 4182 4183 4184 4185 4186 4187 4188 4189 4190 4191 4192 4193 4194 4195 4196 4197 4198 4199 4200 4201 4202
        }

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task ExplicitTupleNameAdded_Trivia()
        {
            var code = @"
class C
{
    void M()
    {
        int [||]i = 1 + 2;
        var t = ( /*comment*/ i, 3);
    }
}";

            var expected = @"
class C
{
    void M()
    {
        var t = ( /*comment*/ i: 1 + 2, 3);
    }
}";

4203
            await TestInRegularAndScriptAsync(code, expected);
4204 4205 4206 4207 4208 4209 4210 4211 4212 4213 4214 4215 4216 4217 4218 4219 4220 4221 4222 4223 4224 4225 4226 4227 4228 4229 4230 4231 4232 4233
        }

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task ExplicitTupleNameAdded_Trivia2()
        {
            var code = @"
class C
{
    void M()
    {
        int [||]i = 1 + 2;
        var t = (
            /*comment*/ i,
            /*comment*/ 3
        );
    }
}";

            var expected = @"
class C
{
    void M()
    {
        var t = (
            /*comment*/ i: 1 + 2,
            /*comment*/ 3
        );
    }
}";

4234
            await TestInRegularAndScriptAsync(code, expected);
4235 4236 4237 4238 4239 4240 4241 4242 4243 4244 4245 4246 4247 4248 4249 4250 4251 4252 4253 4254 4255 4256 4257
        }

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task ExplicitTupleNameAdded_NoDuplicateNames()
        {
            var code = @"
class C
{
    void M()
    {
        int [||]i = 1 + 2;
        var t = (i, i);
    }
}";

            var expected = @"
class C
{
    void M()
    {
        var t = (1 + 2, 1 + 2);
    }
}";
4258
            await TestInRegularAndScriptAsync(code, expected);
4259 4260 4261
        }

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
4262
        [WorkItem(19047, "https://github.com/dotnet/roslyn/issues/19047")]
4263 4264 4265 4266 4267 4268 4269 4270 4271 4272 4273 4274 4275 4276 4277 4278 4279 4280
        public async Task ExplicitTupleNameAdded_DeconstructionDeclaration()
        {
            var code = @"
class C
{
    static int y = 1;
    void M()
    {
        int [||]i = C.y;
        var t = ((i, (i, _)) = (1, (i, 3)));
    }
}";
            var expected = @"
class C
{
    static int y = 1;
    void M()
    {
4281 4282
        int i = C.y;
        var t = (({|Conflict:(int)C.y|}, ({|Conflict:(int)C.y|}, _)) = (1, (C.y, 3)));
4283 4284
    }
}";
4285
            await TestInRegularAndScriptAsync(code, expected);
4286 4287 4288
        }

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
4289
        [WorkItem(19047, "https://github.com/dotnet/roslyn/issues/19047")]
4290 4291 4292 4293 4294 4295 4296 4297 4298 4299 4300 4301 4302 4303 4304 4305 4306 4307
        public async Task ExplicitTupleNameAdded_DeconstructionDeclaration2()
        {
            var code = @"
class C
{
    static int y = 1;
    void M()
    {
        int [||]i = C.y;
        var t = ((i, _) = (1, 2));
    }
}";
            var expected = @"
class C
{
    static int y = 1;
    void M()
    {
4308 4309
        int i = C.y;
        var t = (({|Conflict:(int)C.y|}, _) = (1, 2));
4310 4311
    }
}";
4312
            await TestInRegularAndScriptAsync(code, expected);
4313 4314 4315 4316 4317 4318 4319 4320 4321 4322 4323 4324 4325 4326 4327 4328 4329 4330 4331 4332 4333 4334 4335
        }

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task ExplicitTupleNameAdded_NoReservedNames()
        {
            var code = @"
class C
{
    void M()
    {
        int [||]Rest = 1 + 2;
        var t = (Rest, 3);
    }
}";

            var expected = @"
class C
{
    void M()
    {
        var t = (1 + 2, 3);
    }
}";
4336
            await TestInRegularAndScriptAsync(code, expected);
4337 4338 4339 4340 4341 4342 4343 4344 4345 4346 4347 4348 4349 4350 4351 4352 4353 4354 4355 4356 4357 4358 4359
        }

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task ExplicitTupleNameAdded_NoReservedNames2()
        {
            var code = @"
class C
{
    void M()
    {
        int [||]Item1 = 1 + 2;
        var t = (Item1, 3);
    }
}";

            var expected = @"
class C
{
    void M()
    {
        var t = (1 + 2, 3);
    }
}";
4360
            await TestInRegularAndScriptAsync(code, expected);
4361 4362 4363 4364 4365 4366 4367 4368 4369 4370 4371 4372 4373 4374 4375 4376 4377 4378 4379 4380 4381 4382 4383
        }

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task ExplicitTupleNameAdded_EscapeKeywords()
        {
            var code = @"
class C
{
    void M()
    {
        int [||]@int = 1 + 2;
        var t = (@int, 3);
    }
}";

            var expected = @"
class C
{
    void M()
    {
        var t = (@int: 1 + 2, 3);
    }
}";
4384
            await TestInRegularAndScriptAsync(code, expected);
4385 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399 4400 4401 4402 4403 4404 4405 4406 4407
        }

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task ExplicitTupleNameAdded_DoNotEscapeContextualKeywords()
        {
            var code = @"
class C
{
    void M()
    {
        int [||]@where = 1 + 2;
        var t = (@where, 3);
    }
}";

            var expected = @"
class C
{
    void M()
    {
        var t = (where: 1 + 2, 3);
    }
}";
4408
            await TestInRegularAndScriptAsync(code, expected);
4409 4410 4411 4412 4413 4414 4415 4416 4417 4418 4419 4420 4421 4422 4423 4424 4425 4426 4427 4428 4429 4430 4431
        }

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task ExplicitAnonymousTypeMemberNameAdded_DuplicateNames()
        {
            var code = @"
class C
{
    void M()
    {
        int [||]i = 1 + 2;
        var t = new { i, i }; // error already
    }
}";

            var expected = @"
class C
{
    void M()
    {
        var t = new { i = 1 + 2, i = 1 + 2 }; // error already
    }
}";
4432
            await TestInRegularAndScriptAsync(code, expected);
4433 4434 4435 4436 4437 4438 4439 4440 4441 4442 4443 4444 4445 4446 4447 4448 4449 4450 4451 4452 4453 4454 4455 4456 4457
        }

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task ExplicitAnonymousTypeMemberNameAdded_AssignmentEpression()
        {
            var code = @"
class C
{
    void M()
    {
        int j = 0;
        int [||]i = j = 1;
        var t = new { i, k = 3 };
    }
}";

            var expected = @"
class C
{
    void M()
    {
        int j = 0;
        var t = new { i = j = 1, k = 3 };
    }
}";
4458
            await TestInRegularAndScriptAsync(code, expected);
4459 4460 4461 4462 4463 4464 4465 4466 4467 4468 4469 4470 4471 4472 4473 4474 4475 4476 4477 4478 4479 4480 4481
        }

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task ExplicitAnonymousTypeMemberNameAdded_Comment()
        {
            var code = @"
class C
{
    void M()
    {
        int [||]i = 1 + 2;
        var t = new { /*comment*/ i, j = 3 };
    }
}";

            var expected = @"
class C
{
    void M()
    {
        var t = new { /*comment*/ i = 1 + 2, j = 3 };
    }
}";
4482
            await TestInRegularAndScriptAsync(code, expected);
4483 4484 4485 4486 4487 4488 4489 4490 4491 4492 4493 4494 4495 4496 4497 4498 4499 4500 4501 4502 4503 4504 4505 4506
        }

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task ExplicitAnonymousTypeMemberNameAdded_Comment2()
        {
            var code = @"
class C
{
    void M()
    {
        int [||]i = 1 + 2;
        var t = new {
            /*comment*/ i,
            /*comment*/ j = 3
        };
    }
}";

            var expected = @"
class C
{
    void M()
    {
        var t = new {
V
Victor Zaytsev 已提交
4507
            /*comment*/ i = 1 + 2,
4508 4509 4510 4511
            /*comment*/ j = 3
        };
    }
}";
4512
            await TestInRegularAndScriptAsync(code, expected);
4513
        }
V
Victor Zaytsev 已提交
4514 4515 4516 4517 4518 4519 4520 4521 4522 4523 4524 4525 4526 4527 4528 4529 4530 4531 4532 4533 4534 4535 4536 4537 4538 4539 4540 4541 4542 4543 4544 4545 4546 4547 4548

        [WorkItem(19247, "https://github.com/dotnet/roslyn/issues/19247")]
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task InlineTemporary_LocalFunction()
        {
            await TestInRegularAndScriptAsync(
@"
using System;
class C
{
    void M()
    {
        var [|testStr|] = ""test"";
        expand(testStr);

        void expand(string str)
        {

        }
    }
}",

@"
using System;
class C
{
    void M()
    {
        expand(""test"");

        void expand(string str)
        {

        }
    }
4549
}");
V
Victor Zaytsev 已提交
4550 4551 4552 4553 4554 4555 4556 4557 4558 4559 4560 4561 4562 4563 4564 4565 4566 4567 4568 4569 4570 4571
        }

        [WorkItem(11712, "https://github.com/dotnet/roslyn/issues/11712")]
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task InlineTemporary_RefParams()
        {
            await TestInRegularAndScriptAsync(
@"
class C
{
    bool M<T>(ref T x) 
    {
        var [||]b = M(ref x);
        return b || b;
    }
}",

@"
class C
{
    bool M<T>(ref T x) 
    {
4572
        return {|Warning:M(ref x) || M(ref x)|};
V
Victor Zaytsev 已提交
4573
    }
4574
}");
V
Victor Zaytsev 已提交
4575 4576 4577 4578 4579 4580 4581 4582 4583 4584 4585 4586 4587 4588 4589 4590 4591 4592 4593 4594 4595 4596
        }

        [WorkItem(11712, "https://github.com/dotnet/roslyn/issues/11712")]
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task InlineTemporary_OutParams()
        {
            await TestInRegularAndScriptAsync(
@"
class C
{
    bool M<T>(out T x) 
    {
        var [||]b = M(out x);
        return b || b;
    }
}",

@"
class C
{
    bool M<T>(out T x) 
    {
4597
        return {|Warning:M(out x) || M(out x)|};
V
Victor Zaytsev 已提交
4598
    }
4599
}");
V
Victor Zaytsev 已提交
4600 4601
        }

4602
        [WorkItem(24791, "https://github.com/dotnet/roslyn/issues/24791")]
4603
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
4604 4605 4606 4607 4608 4609 4610 4611 4612 4613 4614 4615 4616 4617 4618 4619 4620 4621 4622 4623 4624 4625
        public async Task InlineVariableDoesNotAddUnnecessaryCast()
        {
            await TestInRegularAndScriptAsync(
@"class C
{
    bool M()
    {
        var [||]o = M();
        if (!o) throw null;
        throw null;
    }
}",
@"class C
{
    bool M()
    {
        if (!M()) throw null;
        throw null;
    }
}");
        }

4626
        [WorkItem(16819, "https://github.com/dotnet/roslyn/issues/16819")]
4627
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
4628
        public async Task InlineVariableDoesNotAddsDuplicateCast()
V
Victor Zaytsev 已提交
4629 4630
        {
            await TestInRegularAndScriptAsync(
4631 4632
@"using System;

V
Victor Zaytsev 已提交
4633 4634
class C
{
4635
    void M()
V
Victor Zaytsev 已提交
4636
    {
4637 4638
        var [||]o = (Exception)null;
        Console.Write(o == new Exception());
V
Victor Zaytsev 已提交
4639 4640
    }
}",
4641
@"using System;
V
Victor Zaytsev 已提交
4642 4643 4644

class C
{
4645
    void M()
V
Victor Zaytsev 已提交
4646
    {
4647
        Console.Write((Exception)null == new Exception());
V
Victor Zaytsev 已提交
4648
    }
4649 4650 4651 4652 4653 4654 4655 4656 4657 4658 4659 4660 4661 4662 4663 4664 4665
}");
        }

        [WorkItem(30903, "https://github.com/dotnet/roslyn/issues/30903")]
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task InlineVariableContainsAliasOfValueTupleType()
        {
            await TestInRegularAndScriptAsync(
@"using X = System.ValueTuple<int, int>;

class C
{
    void M()
    {
        var [|x|] = (X)(0, 0);
        var x2 = x;
    }
4666
}",
4667 4668 4669 4670 4671 4672
@"using X = System.ValueTuple<int, int>;

class C
{
    void M()
    {
4673
        var x2 = (X)(0, 0);
4674
    }
4675
}");
4676 4677 4678 4679 4680 4681 4682 4683 4684 4685 4686 4687 4688 4689 4690 4691
        }

        [WorkItem(30903, "https://github.com/dotnet/roslyn/issues/30903")]
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task InlineVariableContainsAliasOfMixedValueTupleType()
        {
            await TestInRegularAndScriptAsync(
@"using X = System.ValueTuple<int, (int, int)>;

class C
{
    void M()
    {
        var [|x|] = (X)(0, (0, 0));
        var x2 = x;
    }
4692
}",
4693 4694 4695 4696 4697 4698 4699 4700
@"using X = System.ValueTuple<int, (int, int)>;

class C
{
    void M()
    {
        var x2 = (X)(0, (0, 0));
    }
4701
}");
V
Victor Zaytsev 已提交
4702
        }
4703 4704 4705 4706 4707 4708 4709 4710 4711 4712 4713 4714 4715 4716 4717 4718 4719 4720 4721

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        [WorkItem(35645, "https://github.com/dotnet/roslyn/issues/35645")]
        public async Task UsingDeclaration()
        {
            var code = @"
using System;
class C : IDisposable
{
    public void M()
    {
        using var [||]c = new C();
        c.ToString();
    }
    public void Dispose() { }
}";

            await TestMissingInRegularAndScriptAsync(code, new TestParameters(parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp8)));
        }
4722 4723 4724 4725 4726 4727 4728 4729 4730 4731 4732 4733 4734 4735 4736 4737 4738 4739 4740 4741 4742 4743 4744 4745 4746 4747 4748 4749 4750 4751 4752 4753 4754 4755 4756 4757 4758 4759 4760 4761

        [WorkItem(35180, "https://github.com/dotnet/roslyn/issues/35180")]
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task Selections1()
        {
            await TestFixOneAsync(
    @"{ [|int x = 0;|]

Console.WriteLine(x); }",
    @"{
        Console.WriteLine(0); }");
        }

        [WorkItem(35180, "https://github.com/dotnet/roslyn/issues/35180")]
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task Selections2()
        {
            await TestFixOneAsync(
    @"{ int [|x = 0|], y = 1;

Console.WriteLine(x); }",
    @"{
        int y = 1;

        Console.WriteLine(0); }");
        }

        [WorkItem(35180, "https://github.com/dotnet/roslyn/issues/35180")]
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task Selections3()
        {
            await TestFixOneAsync(
    @"{ int x = 0, [|y = 1|], z = 2;

Console.WriteLine(y); }",
    @"{
        int x = 0, z = 2;

        Console.WriteLine(1); }");
        }
4762 4763 4764 4765 4766 4767 4768 4769 4770 4771 4772 4773 4774 4775 4776 4777 4778 4779 4780 4781 4782 4783 4784 4785

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task WarnOnInlineIntoConditional1()
        {
            await TestFixOneAsync(
    @"{ var [|x = true|];

System.Diagnostics.Debug.Assert(x); }",
    @"{
        {|Warning:System.Diagnostics.Debug.Assert(true)|}; }");
        }

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task WarnOnInlineIntoConditional2()
        {
            await TestFixOneAsync(
    @"{ var [|x = true|];

System.Diagnostics.Debug.Assert(x == true); }",
    @"{
        {|Warning:System.Diagnostics.Debug.Assert(true == true)|}; }");
        }

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
4786 4787 4788 4789 4790 4791 4792 4793 4794 4795 4796 4797 4798 4799 4800 4801 4802 4803 4804 4805 4806 4807 4808 4809
        public async Task WarnOnInlineIntoMultipleConditionalLocations()
        {
            await TestInRegularAndScriptAsync(
@"class C
{
    void M()
    {
        var [|x = true|];
        System.Diagnostics.Debug.Assert(x);
        System.Diagnostics.Debug.Assert(x);
    }
}",
@"class C
{
    void M()
    {
        {|Warning:System.Diagnostics.Debug.Assert(true)|};
        {|Warning:System.Diagnostics.Debug.Assert(true)|};
    }
}");
        }

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task OnlyWarnOnConditionalLocations()
4810 4811 4812 4813 4814 4815 4816 4817 4818 4819
        {
            await TestInRegularAndScriptAsync(
@"using System;

class C
{
    void M()
    {
        var [|x = true|];
        System.Diagnostics.Debug.Assert(x);
4820
        Console.Writeline(x);
4821 4822 4823 4824 4825 4826 4827 4828
    }
}",
@"using System;

class C
{
    void M()
    {
4829 4830
        {|Warning:System.Diagnostics.Debug.Assert(true)|};
        Console.Writeline(true);
4831
    }
4832 4833 4834 4835 4836 4837 4838 4839 4840 4841 4842 4843 4844 4845 4846 4847 4848 4849 4850 4851 4852 4853 4854 4855 4856 4857 4858 4859 4860 4861
}");
        }

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        [WorkItem(40201, "https://github.com/dotnet/roslyn/issues/40201")]
        public async Task TestUnaryNegationOfDeclarationPattern()
        {
            await TestInRegularAndScriptAsync(
@"using System.Threading;

class C
{
    void Test()
    {
        var [|ct|] = CancellationToken.None;
        if (!(Helper(ct) is string notDiscard)) { }
    }

    object Helper(CancellationToken ct) { return null; }
}",
@"using System.Threading;

class C
{
    void Test()
    {
        if (!(Helper(CancellationToken.None) is string notDiscard)) { }
    }

    object Helper(CancellationToken ct) { return null; }
4862 4863
}");
        }
4864 4865 4866 4867 4868 4869 4870 4871 4872 4873 4874 4875 4876 4877 4878 4879 4880 4881 4882 4883 4884 4885 4886 4887 4888 4889

        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        [WorkItem(18322, "https://github.com/dotnet/roslyn/issues/18322")]
        public async Task TestInlineIntoExtensionMethodInvokedOnThis()
        {
            await TestInRegularAndScriptAsync(
@"public class Class1
{
    void M()
    {
        var [|c|] = 8;
        this.DoStuff(c);
    }
}

public static class Class1Extensions { public static void DoStuff(this Class1 c, int x) { } }",
@"public class Class1
{
    void M()
    {
        this.DoStuff(8);
    }
}

public static class Class1Extensions { public static void DoStuff(this Class1 c, int x) { } }");
        }
4890

4891 4892 4893 4894 4895 4896 4897 4898 4899 4900 4901 4902 4903 4904 4905 4906 4907 4908 4909 4910 4911 4912 4913 4914 4915 4916 4917 4918 4919 4920
        [WorkItem(8716, "https://github.com/dotnet/roslyn/issues/8716")]
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task DoNotQualifyInlinedLocalFunction()
        {
            await TestInRegularAndScriptAsync(@"
using System;
class C
{
    void Main()
    {
        void LocalFunc()
        {
            Console.Write(2);
        }
        var [||]local = new Action(LocalFunc);
        local();
    }
}",
@"
using System;
class C
{
    void Main()
    {
        void LocalFunc()
        {
            Console.Write(2);
        }
        new Action(LocalFunc)();
    }
4921 4922 4923 4924 4925
}");
        }

        [WorkItem(22540, "https://github.com/dotnet/roslyn/issues/22540")]
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
4926
        public async Task DoNotQualifyWhenInliningIntoPattern_01()
4927 4928 4929 4930 4931 4932 4933 4934 4935 4936 4937 4938 4939 4940 4941 4942 4943 4944 4945 4946 4947 4948 4949 4950 4951 4952 4953 4954 4955 4956 4957 4958 4959 4960 4961 4962 4963 4964 4965
        {
            await TestInRegularAndScriptAsync(@"
using Syntax;

namespace Syntax
{
    class AwaitExpressionSyntax : ExpressionSyntax { public ExpressionSyntax Expression; }
    class ExpressionSyntax { }
    class ParenthesizedExpressionSyntax : ExpressionSyntax { }
}

static class Goo
{
    static void Bar(AwaitExpressionSyntax awaitExpression)
    {
        ExpressionSyntax [||]expression = awaitExpression.Expression;

        if (!(expression is ParenthesizedExpressionSyntax parenthesizedExpression))
            return;
    }
}",
@"
using Syntax;

namespace Syntax
{
    class AwaitExpressionSyntax : ExpressionSyntax { public ExpressionSyntax Expression; }
    class ExpressionSyntax { }
    class ParenthesizedExpressionSyntax : ExpressionSyntax { }
}

static class Goo
{
    static void Bar(AwaitExpressionSyntax awaitExpression)
    {

        if (!(awaitExpression.Expression is ParenthesizedExpressionSyntax parenthesizedExpression))
            return;
    }
4966 4967 4968
}");
        }

4969 4970 4971 4972 4973 4974 4975 4976 4977 4978 4979 4980 4981 4982 4983 4984 4985 4986 4987 4988 4989 4990 4991 4992 4993 4994 4995 4996 4997 4998 4999 5000 5001 5002 5003 5004 5005 5006 5007 5008 5009 5010 5011 5012 5013
        [WorkItem(45661, "https://github.com/dotnet/roslyn/issues/45661")]
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task DoNotQualifyWhenInliningIntoPattern_02()
        {
            await TestInRegularAndScriptAsync(@"
using Syntax;

namespace Syntax
{
    class AwaitExpressionSyntax : ExpressionSyntax { public ExpressionSyntax Expression; }
    class ExpressionSyntax { }
    class ParenthesizedExpressionSyntax : ExpressionSyntax { }
}

static class Goo
{
    static void Bar(AwaitExpressionSyntax awaitExpression)
    {
        ExpressionSyntax [||]expression = awaitExpression.Expression;

        if (!(expression is ParenthesizedExpressionSyntax { } parenthesizedExpression))
            return;
    }
}",
@"
using Syntax;

namespace Syntax
{
    class AwaitExpressionSyntax : ExpressionSyntax { public ExpressionSyntax Expression; }
    class ExpressionSyntax { }
    class ParenthesizedExpressionSyntax : ExpressionSyntax { }
}

static class Goo
{
    static void Bar(AwaitExpressionSyntax awaitExpression)
    {

        if (!(awaitExpression.Expression is ParenthesizedExpressionSyntax { } parenthesizedExpression))
            return;
    }
}");
        }

5014 5015 5016 5017 5018 5019 5020 5021 5022 5023 5024 5025 5026 5027 5028 5029 5030 5031 5032 5033 5034 5035 5036 5037 5038 5039 5040 5041 5042 5043 5044 5045 5046 5047 5048 5049 5050 5051 5052 5053 5054 5055 5056 5057 5058 5059 5060 5061 5062 5063 5064 5065 5066 5067 5068 5069 5070 5071 5072 5073 5074 5075 5076 5077 5078 5079 5080 5081 5082 5083 5084 5085 5086 5087 5088 5089 5090 5091 5092 5093 5094 5095 5096 5097 5098 5099 5100 5101 5102 5103 5104 5105 5106 5107 5108 5109 5110 5111 5112 5113 5114 5115 5116 5117 5118 5119 5120 5121 5122 5123 5124 5125 5126 5127 5128 5129 5130 5131 5132 5133 5134 5135 5136 5137 5138 5139 5140 5141 5142 5143 5144 5145 5146
        [WorkItem(42835, "https://github.com/dotnet/roslyn/issues/42835")]
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task WarnWhenPossibleChangeInSemanticMeaning()
        {
            await TestInRegularAndScriptAsync(@"
class C
{
    int P { get; set; }

    void M()
    {
        var [||]c = new C();
        c.P = 1;
        var c2 = c;
    }
}",
@"
class C
{
    int P { get; set; }

    void M()
    {
        {|Warning:new C().P = 1|};
        var c2 = new C();
    }
}");
        }

        [WorkItem(42835, "https://github.com/dotnet/roslyn/issues/42835")]
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task WarnWhenPossibleChangeInSemanticMeaning_IgnoreParentheses()
        {
            await TestInRegularAndScriptAsync(@"
class C
{
    int P { get; set; }

    void M()
    {
        var [||]c = (new C());
        c.P = 1;
        var c2 = c;
    }
}",
@"
class C
{
    int P { get; set; }

    void M()
    {
        {|Warning:(new C()).P = 1|};
        var c2 = (new C());
    }
}");
        }

        [WorkItem(42835, "https://github.com/dotnet/roslyn/issues/42835")]
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task WarnWhenPossibleChangeInSemanticMeaning_MethodInvocation()
        {
            await TestInRegularAndScriptAsync(@"
class C
{
    int P { get; set; }

    void M()
    {
        var [||]c = M2();
        c.P = 1;
        var c2 = c;
    }

    C M2()
    {
        return new C();
    }
}",
@"
class C
{
    int P { get; set; }

    void M()
    {
        {|Warning:M2().P = 1|};
        var c2 = M2();
    }

    C M2()
    {
        return new C();
    }
}");
        }

        [WorkItem(42835, "https://github.com/dotnet/roslyn/issues/42835")]
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task WarnWhenPossibleChangeInSemanticMeaning_MethodInvocation2()
        {
            await TestInRegularAndScriptAsync(@"
class C
{
    int P { get; set; }

    void M()
    {
        var [||]c = new C();
        c.M2();
        var c2 = c;
    }

    void M2()
    {
        P = 1;
    }
}",
@"
class C
{
    int P { get; set; }

    void M()
    {
        {|Warning:new C().M2()|};
        var c2 = new C();
    }

    void M2()
    {
        P = 1;
    }
5147 5148 5149 5150 5151 5152 5153 5154 5155 5156 5157 5158 5159 5160 5161 5162 5163 5164 5165 5166 5167 5168 5169 5170 5171 5172 5173 5174 5175 5176 5177 5178 5179 5180 5181 5182 5183 5184 5185 5186 5187 5188 5189 5190 5191 5192 5193 5194 5195 5196 5197 5198 5199 5200 5201 5202 5203 5204 5205 5206 5207 5208 5209 5210 5211 5212 5213 5214 5215 5216
}");
        }

        [WorkItem(42835, "https://github.com/dotnet/roslyn/issues/42835")]
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task WarnWhenPossibleChangeInSemanticMeaning_NestedObjectInitialization()
        {
            await TestInRegularAndScriptAsync(@"
class C
{
    int P { get; set; }

    void M()
    {
        var [||]c = new C[1] { new C() };
        c[0].P = 1;
        var c2 = c;
    }
}",
@"
class C
{
    int P { get; set; }

    void M()
    {
        {|Warning:(new C[1] { new C() })[0].P = 1|};
        var c2 = new C[1] { new C() };
    }
}");
        }

        [WorkItem(42835, "https://github.com/dotnet/roslyn/issues/42835")]
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task WarnWhenPossibleChangeInSemanticMeaning_NestedMethodCall()
        {
            await TestInRegularAndScriptAsync(@"
class C
{
    int P { get; set; }

    void M()
    {
        var [||]c = new C[1] { M2() };
        c[0].P = 1;
        var c2 = c;
    }

    C M2()
    {
        P += 1;
        return new C();
    }
}",
@"
class C
{
    int P { get; set; }

    void M()
    {
        {|Warning:(new C[1] { M2() })[0].P = 1|};
        var c2 = new C[1] { M2() };
    }

    C M2()
    {
        P += 1;
        return new C();
    }
5217 5218
}");
        }
5219

5220 5221 5222 5223 5224 5225 5226 5227 5228 5229 5230 5231 5232 5233 5234 5235 5236 5237 5238 5239 5240 5241 5242 5243 5244 5245 5246 5247 5248 5249 5250 5251 5252 5253 5254 5255
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task InlineIntoWithExpression()
        {
            await TestInRegularAndScriptAsync(@"
record Person(string Name)
{
    void M(Person p)
    {
        string [||]x = """";
        _ = p with { Name = x };
    }
}

namespace System.Runtime.CompilerServices
{
    public sealed class IsExternalInit
    {
    }
}",
@"
record Person(string Name)
{
    void M(Person p)
    {
        _ = p with { Name = """" };
    }
}

namespace System.Runtime.CompilerServices
{
    public sealed class IsExternalInit
    {
    }
}", parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.Preview));
        }

5256 5257 5258 5259 5260 5261 5262 5263 5264 5265 5266 5267 5268 5269 5270 5271 5272 5273 5274 5275 5276 5277 5278 5279 5280 5281 5282 5283 5284 5285 5286 5287 5288 5289 5290 5291 5292 5293 5294 5295 5296 5297 5298 5299 5300 5301 5302 5303 5304 5305 5306 5307 5308 5309 5310 5311 5312 5313 5314 5315 5316 5317 5318 5319 5320 5321 5322
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        [WorkItem(44263, "https://github.com/dotnet/roslyn/issues/44263")]
        public async Task Call_TopLevelStatement()
        {
            var code = @"
using System;

int [||]x = 1 + 1;
x.ToString();
";

            var expected = @"
using System;

(1 + 1).ToString();
";

            // Global statements in regular code are local variables, so Inline Temporary works. Script code is not
            // tested because global statements in script code are field declarations, which are not considered
            // temporary.
            await TestAsync(code, expected, TestOptions.Regular.WithLanguageVersion(LanguageVersionExtensions.CSharp9));
        }

        [WorkItem(44263, "https://github.com/dotnet/roslyn/issues/44263")]
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task TopLevelStatement()
        {
            // Note: we should simplify 'global' as well
            // https://github.com/dotnet/roslyn/issues/44420
            var code = @"
int val = 0;
int [||]val2 = val + 1;
System.Console.WriteLine(val2);
";

            var expected = @"
int val = 0;
global::System.Console.WriteLine(val + 1);
";

            // Global statements in regular code are local variables, so Inline Temporary works. Script code is not
            // tested because global statements in script code are field declarations, which are not considered
            // temporary.
            await TestAsync(code, expected, TestOptions.Regular.WithLanguageVersion(LanguageVersionExtensions.CSharp9));
        }

        [WorkItem(44263, "https://github.com/dotnet/roslyn/issues/44263")]
        [Fact, Trait(Traits.Feature, Traits.Features.CodeActionsInlineTemporary)]
        public async Task TopLevelStatement_InScope()
        {
            // Note: we should simplify 'global' as well
            // https://github.com/dotnet/roslyn/issues/44420
            await TestAsync(@"
{
    int val = 0;
    int [||]val2 = val + 1;
    System.Console.WriteLine(val2);
}
",
@"
{
    int val = 0;
    global::System.Console.WriteLine(val + 1);
}
",
                TestOptions.Regular.WithLanguageVersion(LanguageVersionExtensions.CSharp9));
        }
5323 5324
    }
}