public void CheckCardNumber_CorrectNumber_ReturnTrue(string cardNumber)
{
// Act
var cardIsValid = _cardChecker.CheckCardNumber(cardNumber);
// Assert
Assert.True(cardIsValid);
}
/// <inheritdoc />
public CardType GetCardType(string number)
{
if (!_cardChecker.CheckCardNumber(number))
{
return(CardType.OTHER);
}
var firstDigit = number[0];
var secondDigit = number[1];
switch (firstDigit)
{
case '2':
return(CardType.MIR);
case '4':
return(CardType.VISA);
case '5'
when secondDigit == '0' || secondDigit > '5':
return(CardType.MAESTRO);
case '5'
when secondDigit >= '1' && secondDigit <= '5':
return(CardType.MASTERCARD);
case '6':
return(CardType.MAESTRO);
default:
return(CardType.OTHER);
}
}