public void VisaCalculateInterest_IntegerMonths_Decimal(ICreditCard card, decimal expected)
{
//ACT
var actual = card.CalculateInterest(1);
//ASSERT
Assert.AreEqual(actual, expected);
}
private static void ShopWithCreditCard(ICreditCard creditCard, decimal amount)
{
Console.WriteLine($"Brand {creditCard.GetBrand()}");
var holderInformation = creditCard.GetHolderInformation();
Console.WriteLine($"information:{holderInformation.Name} {holderInformation.Address}");
var interest = creditCard.CalculateInterest(amount);
Console.WriteLine($"the interes will be: {interest}$ if you spend {amount}$");
}
