public void PrintShoppingCart(ShoppingCart cart) {
Console.WriteLine("Shopping Cart");
Console.WriteLine("-------------");
foreach (LineItem lineItem in cart.GetLineItems()) {
Console.WriteLine("- {0}, Qty: {1}, Regular Price: ${2}",
lineItem.Item.ItemName,
lineItem.Quantity,
String.Format("{0:0.00}",lineItem.PricePerUnit));
if (lineItem.Promotion != null) {
Console.WriteLine(" Promotion Applied: {0}", lineItem.Promotion.GetPromotionDescription());
List<string> promotionText = lineItem.Promotion.GetPromotionText(lineItem);
foreach (string textLine in promotionText) {
Console.WriteLine(" {0}", textLine);
}
}
Console.WriteLine(" Cost: ${0}", String.Format("{0:0.00}",lineItem.TotalCost));
}
Console.WriteLine("-------------");
Console.WriteLine("Total Bill: ${0}", String.Format("{0:0.00}",cart.GetTotal()));
}
public void GetTotalTest_validTotalsReturned() {
ShoppingCart cart = new ShoppingCart();
Item apple = new Item("Apple");
Item bananas = new Item("Bananas");
cart.AddItem(apple, 3);
cart.AddItem(bananas, 3);
LineItem applesLineItem = cart.GetLineItemForItem(apple);
applesLineItem.PricePerUnit = 2.00;
LineItem bananasLineItem = cart.GetLineItemForItem(bananas);
bananasLineItem.PricePerUnit = 3.00;
Assert.AreEqual(15.00, cart.GetTotal());
}