public void TestDrinkCoffeeFromCardBooleanFalse()
{
PaymentTerminal terminal = new PaymentTerminal();
PaymentCard card = new PaymentCard(2);
Assert.AreEqual(false, terminal.DrinkCoffee(card), "Buying coffee should return false if balance is not enough");
}
public void TestDrinkCoffeeFromCardBooleanTrue()
{
PaymentTerminal terminal = new PaymentTerminal();
PaymentCard card = new PaymentCard(5);
Assert.AreEqual(true, terminal.DrinkCoffee(card), "Buying coffee should return true if balance is enough");
}
public void TestDrinkCoffeeFromCard()
{
PaymentTerminal terminal = new PaymentTerminal();
PaymentCard card = new PaymentCard(5);
terminal.DrinkCoffee(card);
Assert.AreEqual(Math.Round(Convert.ToDouble("2.5", System.Globalization.CultureInfo.InvariantCulture), 2), Math.Round(card.balance, 2), "Buying coffee should decrease tha amount by 2.5!");
}