// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using Microsoft.AspNetCore.Builder;
 
namespace Microsoft.AspNetCore.Localization;
 
public class RequestLocalizationOptionsExtensionsTest
{
    [Fact]
    public void AddInitialRequestCultureProvider_ShouldBeInsertedAtFirstPostion()
    {
        // Arrange
        var options = new RequestLocalizationOptions();
        var provider = new CustomRequestCultureProvider(context => Task.FromResult(new ProviderCultureResult("ar-YE")));
 
        // Act
        options.AddInitialRequestCultureProvider(provider);
 
        // Assert
        Assert.Same(provider, options.RequestCultureProviders[0]);
    }
}