speckle.xunit.runner.wpf/xunit.runner.wpf/ViewModel/TraitCollectionView.TraitViewModelComparer.cs

using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace xunit.runner.wpf.ViewModel
{
    public partial class TraitCollectionView
    {
        private sealed class TraitViewModelComparer : IEqualityComparer<TraitViewModel>, IComparer<TraitViewModel>
        {
            private readonly StringComparer _comparer = StringComparer.Ordinal;

            public int Compare(TraitViewModel x, TraitViewModel y)
            {
                var result = _comparer.Compare(x.Name, y.Name);
                if (result != 0)
                {
                    return result;
                }

                return _comparer.Compare(x.Value, y.Value);
            }

            public bool Equals(TraitViewModel x, TraitViewModel y)
            {
                return _comparer.Equals(x.Name, y.Name)
                    && _comparer.Equals(x.Value, y.Value);
            }

            public int GetHashCode(TraitViewModel obj)
            {
                return obj.Name.GetHashCode();
            }
        }
    }
}