public void FourCanOfBeansPrice()
{
DiscountSuit suit = new DiscountSuit(3, 1.0);
Price price = new Price(4, 0.65);
BuyingItem buyingItem = new BuyingItem("Beans", suit, price);
Assert.AreEqual(1.65, buyingItem.getPrice());
}
private double HavingSuit(DiscountSuit suit)
{
return(quantity / suit.DiscountQuantity);
}
private double SingleItemAfterSuit(DiscountSuit suit)
{
return(quantity % suit.DiscountQuantity);
}
public double getPrice(DiscountSuit suit)
{
return(Math.Round(HavingSuit(suit)) * suit.DiscountPrice + Math.Round(SingleItemAfterSuit(suit)) * singlePrice);
}
public BuyingItem(string name, DiscountSuit suit, Price price)
{
this.discountSuit = suit;
this.price = price;
}