public void BuyItems(Item item, int purchaseQty)
{
sale.BuyItems(item, purchaseQty);
}
public void TestThatSaleReflectsTotal_ForThreeLineItemsWorthFiveDollarAndQuantityOfSix()
{
sale.BuyItems(inventory.FindItem(1), 6);
sale.BuyItems(inventory.FindItem(2), 6);
sale.BuyItems(inventory.FindItem(3), 6);
sale.TotalSale();
Assert.AreEqual(90M, sale.SaleTotal);
}
public void TestThatSaleStateSwitchesToAwaitingPaymentState_WhenTotalled()
{
sale.BuyItems(inventory.FindItem(2), 3);
sale.TotalSale();
Assert.IsTrue(sale.SaleState is AwaitingPaymentSaleState);
}