public void KnowWhenItWasUsedToPaid()
{
DateTime oneDate = DateTime.Parse("Sun, 25 Oct 2015 10:30:41 GMT");
PayMethod payMethod = new CashPayMethod(oneDate);
Assert.AreEqual(oneDate, payMethod.PayDate);
}
public void RefusePaymentWhenTotalIsNegative()
{
int paymentTotal = -3000;
int moneyPayedWith = 2500;
DateTime todaysDate = DateTime.Now;
PayMethod payMethod = new CashPayMethod(todaysDate);
payMethod.PayAndReturnChange(paymentTotal, moneyPayedWith);
}
public void BeAbleToPayAndReturnChange()
{
int paymentTotal = 1000;
int moneyPayedWith = 2500;
DateTime todaysDate = DateTime.Now;
PayMethod payMethod = new CashPayMethod(todaysDate);
double change = payMethod.PayAndReturnChange(paymentTotal, moneyPayedWith);
Assert.AreEqual(moneyPayedWith - paymentTotal, change);
}
public void NotHaveAFutureDate()
{
DateTime futureDate = DateTime.Now.AddYears(1);
PayMethod payMethod = new CashPayMethod(futureDate);
}
