public void NoDiscountForOneItem()
{
Item[] listofItem = new Item[1];
listofItem[0] = new Item("1001", "1001.1", 99.50);
order o = new order();
double totalBill = o.totalbill(listofItem);
Assert.AreEqual(listofItem[0].cost, totalBill);
}
public void DiscountFor2ndItemSameStyle()
{
Item[] listofItem = new Item[2];
listofItem[0] = new Item("1001", "1001.1", 10.00);
listofItem[1] = new Item("1001", "1001.2", 100.00);
order o = new order();
double totalBill = o.totalbill(listofItem);
Assert.AreEqual(60, totalBill);
}
public void CountTotalAmountOfPurchase()
{
Item[] listofItem = new Item[3];
listofItem[0] = new Item("1001", "1001.1", 100.00);
listofItem[1] = new Item("1001", "1001.2", 100.00);
listofItem[2] = new Item("1001", "1001.3", 100.00);
order o = new order();
double calTotal = o.CalTotalAmountWithOutDis(listofItem);
Assert.AreEqual(300, calTotal);
}