File: Recommendations\LetKeywordRecommenderTests.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 Xunit;
 
namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.Recommendations;
 
[Trait(Traits.Feature, Traits.Features.KeywordRecommending)]
public sealed class LetKeywordRecommenderTests : KeywordRecommenderTests
{
    [Fact]
    public Task TestNotAtRoot_Interactive()
        => VerifyAbsenceAsync(SourceCodeKind.Script,
@"$$");
 
    [Fact]
    public Task TestNotAfterClass_Interactive()
        => VerifyAbsenceAsync(SourceCodeKind.Script,
            """
            class C { }
            $$
            """);
 
    [Fact]
    public Task TestNotAfterGlobalStatement_Interactive()
        => VerifyAbsenceAsync(SourceCodeKind.Script,
            """
            System.Console.WriteLine();
            $$
            """);
 
    [Fact]
    public Task TestNotAfterGlobalVariableDeclaration_Interactive()
        => VerifyAbsenceAsync(SourceCodeKind.Script,
            """
            int i = 0;
            $$
            """);
 
    [Fact]
    public Task TestNotInUsingAlias()
        => VerifyAbsenceAsync(
@"using Goo = $$");
 
    [Fact]
    public Task TestNotInGlobalUsingAlias()
        => VerifyAbsenceAsync(
@"global using Goo = $$");
 
    [Fact]
    public Task TestNotInEmptyStatement()
        => VerifyAbsenceAsync(AddInsideMethod(
@"$$"));
 
    [Fact]
    public Task TestNotAtEndOfPreviousClause()
        => VerifyAbsenceAsync(AddInsideMethod(
@"var q = from x in y$$"));
 
    [Fact]
    public Task TestNewClause()
        => VerifyKeywordAsync(AddInsideMethod(
            """
            var q = from x in y
                      $$
            """));
 
    [Fact]
    public Task TestAfterPreviousClause()
        => VerifyKeywordAsync(AddInsideMethod(
            """
            var v = from x in y
                      where x > y
                      $$
            """));
 
    [Fact]
    public Task TestAfterPreviousContinuationClause()
        => VerifyKeywordAsync(AddInsideMethod(
            """
            var v = from x in y
                      group x by y into g
                      $$
            """));
 
    [Fact]
    public Task TestBetweenClauses()
        => VerifyKeywordAsync(AddInsideMethod(
            """
            var q = from x in y
                      $$
                      from z in w
            """));
 
    [Fact]
    public Task TestNotAfterLet()
        => VerifyAbsenceAsync(AddInsideMethod(
            """
            var q = from x in y
                      let $$
            """));
}