public void ReturnFalseAndUnmatchMessage_WhenBoundIsNotNullAndArgumentIsNull()
{
// Arrange.
EqualValidationPredicate<string> validationPredicate = new EqualValidationPredicate<string>("a");
// Act.
IValidationPredicateResult result = validationPredicate.Match(null);
// Assert.
Assert.IsFalse(result.IsMatch);
Assert.AreEqual("Argument value <null> is not equal to <a>.", result.Message);
}