using System; using System.Linq; using System.Reflection; using System.Runtime.CompilerServices; namespace NUnit.Framework.Constraints.Comparers { internal static class PropertiesComparer { [System.Runtime.CompilerServices.NullableContext(1)] public static EqualMethodResult Equal(object x, object y, ref Tolerance tolerance, ComparisonState state, NUnitEqualityComparer equalityComparer) { Type type = x.GetType(); Type type2 = y.GetType(); if (type != type2) return EqualMethodResult.TypesNotSupported; if (type.IsPrimitive) return EqualMethodResult.TypesNotSupported; PropertyInfo[] properties = type.GetProperties(BindingFlags.Instance | BindingFlags.Public); if (properties.Length == 0 || properties.Length >= 32 || properties.Any((PropertyInfo p) => p.GetIndexParameters().Length != 0)) return EqualMethodResult.TypesNotSupported; ComparisonState state2 = state.PushComparison(x, y); uint num = 0; if (tolerance.HasVariance) { for (int i = 0; i < properties.Length; i++) { PropertyInfo propertyInfo = properties[i]; object value = propertyInfo.GetValue(x, null); object value2 = propertyInfo.GetValue(y, null); EqualMethodResult equalMethodResult = equalityComparer.AreEqual(value, value2, ref tolerance, state2); switch (equalMethodResult) { case EqualMethodResult.ComparedNotEqual: return equalMethodResult; case EqualMethodResult.ToleranceNotSupported: num = (uint)((int)num | (1 << i)); break; } } if (num == (uint)((1 << properties.Length) - 1)) return EqualMethodResult.ToleranceNotSupported; } else num = (uint)((1 << properties.Length) - 1); if (num != 0) { Tolerance tolerance2 = Tolerance.Exact; for (int j = 0; j < properties.Length; j++) { if (((int)num & (1 << j)) != 0) { PropertyInfo propertyInfo2 = properties[j]; object value3 = propertyInfo2.GetValue(x, null); object value4 = propertyInfo2.GetValue(y, null); EqualMethodResult equalMethodResult2 = equalityComparer.AreEqual(value3, value4, ref tolerance2, state2); if (equalMethodResult2 == EqualMethodResult.ComparedNotEqual) return equalMethodResult2; } } } return EqualMethodResult.ComparedEqual; } } }