// ReSharper disable once UnusedParameter.Local
private static bool MemberValueEquals(
object x,
object y,
MemberInfo propertyInfo,
MemberSettings settings,
ReferencePairCollection referencePairs)
{
bool result;
if (TryGetValueEquals(x, y, settings, out result))
{
return(result);
}
switch (settings.ReferenceHandling)
{
case ReferenceHandling.References:
return(ReferenceEquals(x, y));
case ReferenceHandling.Structural:
Verify.CanEqualByMemberValues(x, y, settings);
return(MemberValues(x, y, settings, referencePairs));
case ReferenceHandling.Throw:
throw Throw.ShouldNeverGetHereException();
default:
throw new ArgumentOutOfRangeException(
nameof(settings.ReferenceHandling),
settings.ReferenceHandling,
null);
}
}
internal static bool MemberValues <T>(T x, T y, MemberSettings settings)
{
if (TryGetValueEquals(x, y, settings, out var result))
{
return(result);
}
Verify.CanEqualByMemberValues(x, y, settings, typeof(EqualBy).Name, settings.EqualByMethodName());
using (var borrowed = settings.ReferenceHandling == ReferenceHandling.Structural
? ReferencePairCollection.Borrow()
: null)
{
return(MemberValues(x, y, settings, borrowed?.Value));
}
}
/// <summary>
/// Check if the fields of <paramref name="type"/> can be compared for equality
/// This method will throw an exception if copy cannot be performed for <paramref name="type"/>
/// Read the exception message for detailed instructions about what is wrong.
/// Use this to fail fast or in unit tests.
/// </summary>
/// <param name="type">The type to check.</param>
/// <param name="settings">The settings to use.</param>
public static void VerifyCanEqualByFieldValues(Type type, FieldsSettings settings)
{
Verify.CanEqualByMemberValues(type, settings, typeof(EqualBy).Name, nameof(EqualBy.FieldValues));
}
/// <summary>
/// Check if the properties of <paramref name="type"/> can be compared for equality
/// This method will throw an exception if copy cannot be performed for <paramref name="type"/>
/// Read the exception message for detailed instructions about what is wrong.
/// Use this to fail fast or in unit tests.
/// </summary>
/// <param name="type">The type to check.</param>
/// <param name="settings">The settings to use.</param>
public static void VerifyCanEqualByPropertyValues(Type type, PropertiesSettings settings)
{
Verify.CanEqualByMemberValues(type, settings, typeof(EqualBy).Name, nameof(EqualBy.PropertyValues));
}