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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.CSharp.UnitTests.Snippets;
[Trait(Traits.Feature, Traits.Features.Snippets)]
public sealed class CSharpUsingSnippetProviderTests : AbstractCSharpSnippetProviderTests
{
protected override string SnippetIdentifier => "using";
[Fact]
public Task InsertUsingSnippetInMethodTest()
=> VerifySnippetAsync("""
class Program
{
public void Method()
{
$$
}
}
""", """
class Program
{
public void Method()
{
using ({|0:resource|})
{
$$
}
}
}
""");
[Fact]
public Task InsertUsingSnippetInGlobalContextTest()
=> VerifySnippetAsync("""
$$
""", """
using ({|0:resource|})
{
$$
}
""");
[Fact]
public Task NoUsingSnippetInBusingNamespaceTest()
=> VerifySnippetIsAbsentAsync("""
namespace Namespace
{
$$
}
""");
[Fact]
public Task NoUsingSnippetInFileScopedNamespaceTest()
=> VerifySnippetIsAbsentAsync("""
namespace Namespace;
$$
""");
[Fact]
public Task InsertUsingSnippetInConstructorTest()
=> VerifySnippetAsync("""
class Program
{
public Program()
{
$$
}
}
""", """
class Program
{
public Program()
{
using ({|0:resource|})
{
$$
}
}
}
""");
[Fact]
public Task NoUsingSnippetInTypeBodyTest()
=> VerifySnippetIsAbsentAsync("""
class Program
{
$$
}
""");
[Fact]
public Task InsertUsingSnippetInLocalFunctionTest()
=> VerifySnippetAsync("""
class Program
{
public void Method()
{
void LocalFunction()
{
$$
}
}
}
""", """
class Program
{
public void Method()
{
void LocalFunction()
{
using ({|0:resource|})
{
$$
}
}
}
}
""");
[Fact]
public Task InsertUsingSnippetInAnonymousFunctionTest()
=> VerifySnippetAsync("""
class Program
{
public void Method()
{
var action = delegate()
{
$$
};
}
}
""", """
class Program
{
public void Method()
{
var action = delegate()
{
using ({|0:resource|})
{
$$
}
};
}
}
""");
[Fact]
public Task InsertUsingSnippetInParenthesizedLambdaExpressionTest()
=> VerifySnippetAsync("""
class Program
{
public void Method()
{
var action = () =>
{
$$
};
}
}
""", """
class Program
{
public void Method()
{
var action = () =>
{
using ({|0:resource|})
{
$$
}
};
}
}
""");
}
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