public void IsCreditCard_Test_ReturnsTrue()
{
// arrange
var customValidator = new CustomValidator();
// Isolate.WhenCalled(() => Regex.IsMatch(null, null)).WillReturn(true);
// act
var result = customValidator.IsCreditCard("4234567890123");
// assert
Assert.AreEqual(true, result);
}
public void IsCreditCard_Test_ReturnsFalse()
{
// arrange
var customValidator = new CustomValidator();
Isolate.WhenCalled(() => Regex.IsMatch(null, null)).WillReturn(false);
// act
var result = customValidator.IsCreditCard("ccnumber");
// assert
Assert.AreEqual(false, result);
}
