// 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 Xunit;
 
namespace System.Windows.Markup.Tests;
 
public class NullExtensionTests
{
    [Fact]
    public void ProvideValue_Invoke_ReturnsNull()
    {
        var extension = new NullExtension();
        Assert.Null(extension.ProvideValue(null));
    }
}