// 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.
 
#nullable disable
 
using System.Collections;
using System.Collections.Generic;
using Roslyn.Test.Utilities;
 
namespace Microsoft.CodeAnalysis.EditAndContinue.UnitTests;
 
public struct MatchingPair
{
    public string Old;
    public string New;
 
    public override readonly string ToString()
        => "{ \"" + Old.Replace("\"", "\\\"") + "\", \"" + New.Replace("\"", "\\\"") + "\" }";
}
 
public class MatchingPairs : IEnumerable<MatchingPair>
{
    public readonly List<MatchingPair> Pairs;
 
    public MatchingPairs()
        => Pairs = [];
 
    public MatchingPairs(IEnumerable<MatchingPair> pairs)
        => Pairs = [.. pairs];
 
    public void Add(string old, string @new)
        => Pairs.Add(new MatchingPair { Old = old, New = @new });
 
    public IEnumerator GetEnumerator()
        => Pairs.GetEnumerator();
 
    IEnumerator<MatchingPair> IEnumerable<MatchingPair>.GetEnumerator()
        => Pairs.GetEnumerator();
 
    public void AssertEqual(MatchingPairs actual)
        => AssertEx.Equal(this, actual, itemSeparator: ",\r\n");
}