public void ReturnFalseAndUnmatchMessage_WhenArgumentIsNotMemberOfTheEnum()
{
// Arrange.
CustomEnum value = (CustomEnum)5;
// Act.
IValidationPredicateResult result = MemberOfEnumValidationPredicate<CustomEnum>.Instance.Match(value);
// Assert.
Assert.IsFalse(result.IsMatch);
Assert.AreEqual("Argument value <5> is not member of the enum <Bytes2you.Validation.UnitTests.Testing.Mocks.CustomEnum>.", result.Message);
}
}