// 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.Diagnostics;
 
namespace Microsoft.Xml
{
    using System;
 
 
    /// <summary>
    /// Ref class is used to verify string atomization in debug mode.
    /// </summary>
    internal static class Ref
    {
        public static bool Equal(string strA, string strB)
        {
#if DEBUG
            if (((object)strA != (object)strB) && string.Equals(strA, strB))
                Debug.Assert(false, "Ref.Equal: Object comparison used for non-atomized string '" + strA + "'");
#endif
            return (object)strA == (object)strB;
        }
 
        // Prevent typos. If someone uses Ref.Equals instead of Ref.Equal,
        // the program would not compile.
        public static new void Equals(object objA, object objB)
        {
        }
    }
}