| private static AssertIsInvalid ( string cardNumber ) : void | ||
| cardNumber | string | |
| return | void | |
private static void AssertIsInvalid(string cardNumber)
{
string errorMessage = string.Format("Card number '{0}' must be invalid!", cardNumber);
Assert.IsFalse(CardNumberValidator.IsValid(cardNumber.Replace(" ", "")), errorMessage);
}