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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.
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 $$
"""));
}
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