File: Recommendations\TypeOfKeywordRecommenderTests.cs
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Project: src\src\EditorFeatures\CSharpTest2\Microsoft.CodeAnalysis.CSharp.EditorFeatures2.UnitTests.csproj (Microsoft.CodeAnalysis.CSharp.EditorFeatures2.UnitTests)
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.Test.Utilities;
using Roslyn.Test.Utilities;
using Xunit;
 
namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.Recommendations;
 
[Trait(Traits.Feature, Traits.Features.KeywordRecommending)]
public sealed class TypeOfKeywordRecommenderTests : KeywordRecommenderTests
{
    [Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/543541")]
    public async Task TestOfferedInAttributeConstructorArgumentList()
        => await VerifyKeywordAsync("using System.ComponentModel; [DefaultValue($$ class C { }");
 
    [Fact]
    public Task TestAtRoot_Interactive()
        => VerifyKeywordAsync(SourceCodeKind.Script,
@"$$");
 
    [Fact]
    public Task TestAfterClass_Interactive()
        => VerifyKeywordAsync(SourceCodeKind.Script,
            """
            class C { }
            $$
            """);
 
    [Fact]
    public Task TestAfterGlobalStatement()
        => VerifyKeywordAsync(
            """
            System.Console.WriteLine();
            $$
            """);
 
    [Fact]
    public Task TestAfterGlobalVariableDeclaration_Interactive()
        => VerifyKeywordAsync(SourceCodeKind.Script,
            """
            int i = 0;
            $$
            """);
 
    [Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538264")]
    public Task TestNotInConstMemberInitializer1()
        => VerifyAbsenceAsync(
            """
            class E {
                const int a = $$
            }
            """);
 
    [Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538264")]
    public Task TestNotInConstLocalInitializer1()
        => VerifyAbsenceAsync(
            """
            class E {
              void Goo() {
                const int a = $$
              }
            }
            """);
 
    [Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538264")]
    public Task TestInMemberInitializer1()
        => VerifyKeywordAsync(
            """
            class E {
                int a = $$
            }
            """);
 
    [Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538804")]
    public Task TestNotInTypeOf()
        => VerifyAbsenceAsync(AddInsideMethod(
@"typeof($$"));
 
    [Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538804")]
    public Task TestNotInDefault()
        => VerifyAbsenceAsync(AddInsideMethod(
@"default($$"));
 
    [Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/538804")]
    public Task TestNotInSizeOf()
        => VerifyAbsenceAsync(AddInsideMethod(
@"sizeof($$"));
 
    [Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/544219")]
    public Task TestNotInObjectInitializerMemberContext()
        => VerifyAbsenceAsync("""
            class C
            {
                public int x, y;
                void M()
                {
                    var c = new C { x = 2, y = 3, $$
            """);
 
    [Fact]
    public Task TestAfterRefExpression()
        => VerifyKeywordAsync(AddInsideMethod(
@"ref int x = ref $$"));
 
    #region Collection expressions
 
    [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
    public Task TestInCollectionExpressions_BeforeFirstElementToVar()
        => VerifyKeywordAsync(AddInsideMethod(
            """
            var x = [$$
            """));
 
    [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
    public Task TestInCollectionExpressions_BeforeFirstElementToReturn()
        => VerifyKeywordAsync(
            """
            class C
            {
                IEnumerable<string> M() => [$$
            }
            """);
 
    [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
    public Task TestInCollectionExpressions_AfterFirstElementToVar()
        => VerifyKeywordAsync(AddInsideMethod(
            """
            var x = [new object(), $$
            """));
 
    [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
    public Task TestInCollectionExpressions_AfterFirstElementToReturn()
        => VerifyKeywordAsync(
            """
            class C
            {
                IEnumerable<string> M() => [string.Empty, $$
            }
            """);
 
    [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
    public Task TestInCollectionExpressions_SpreadBeforeFirstElementToReturn()
        => VerifyKeywordAsync(
            """
            class C
            {
                IEnumerable<string> M() => [.. $$
            }
            """);
 
    [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
    public Task TestInCollectionExpressions_SpreadAfterFirstElementToReturn()
        => VerifyKeywordAsync(
            """
            class C
            {
                IEnumerable<string> M() => [string.Empty, .. $$
            }
            """);
 
    [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
    public Task TestInCollectionExpressions_ParenAtFirstElementToReturn()
        => VerifyKeywordAsync(
            """
            class C
            {
                IEnumerable<string> M() => [($$
            }
            """);
 
    [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
    public Task TestInCollectionExpressions_ParenAfterFirstElementToReturn()
        => VerifyKeywordAsync(
            """
            class C
            {
                IEnumerable<string> M() => [string.Empty, ($$
            }
            """);
 
    [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
    public Task TestInCollectionExpressions_ParenSpreadAtFirstElementToReturn()
        => VerifyKeywordAsync(
            """
            class C
            {
                IEnumerable<string> M() => [.. ($$
            }
            """);
 
    [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/70677")]
    public Task TestInCollectionExpressions_ParenSpreadAfterFirstElementToReturn()
        => VerifyKeywordAsync(
            """
            class C
            {
                IEnumerable<string> M() => [string.Empty, .. ($$
            }
            """);
 
    #endregion
}