// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.ComponentModel.Design;
 
namespace System.Windows.Forms.Design.Editors.Tests;
 
public class EnsureDesignerTests
{
    [WinFormsFact]
    public void Ensure_designer_type_forwarded()
    {
        SystemDesignMetadataReader metadataReader = new();
        IReadOnlyList<string> forwardedTypes = metadataReader.GetExportedTypeNames();
 
        IEnumerable<Type> designers = typeof(ComponentDesigner).Assembly
                            .GetTypes()
                            .Where(t => t.IsSubclassOf(typeof(ComponentDesigner))
                                    && !t.IsPublic);
        foreach (Type designer in designers)
        {
            Assert.True(forwardedTypes.Contains(designer.FullName), $"{designer.FullName} must be type forwarded");
        }
    }
}