public void TestMethod1()
{
ShoppingCartClass mainClass = new ShoppingCartClass();
Category food = new Category("food");
Category electronics = new Category("electronics");
Product apple = new Product("Apple", 10.25, food);
Product almonds = new Product("Almonds", 15.40, food);
Product macbook = new Product("MacBook", 4990.50, electronics);
Product iPad = new Product("iPad", 2999.90, electronics);
ShoppingCartItem item1 = new ShoppingCartItem(apple, 2);
ShoppingCartItem item2 = new ShoppingCartItem(almonds, 3);
ShoppingCartItem item3 = new ShoppingCartItem(macbook, 1);
ShoppingCartItem item4 = new ShoppingCartItem(iPad, 1);
ShoppingCart.ShoppingCart cart = new ShoppingCart.ShoppingCart();
cart.Items = new List <ShoppingCartItem>();
cart.Items.Add(item1);
cart.Items.Add(item2);
cart.Items.Add(item3);
cart.Items.Add(item4);
Campaign discount1 = new Campaign(food, 20.00, 3, DiscountType.Rate);
Campaign discount2 = new Campaign(food, 50.00, 5, DiscountType.Rate);
Campaign discount3 = new Campaign(electronics, 50.00, 2, DiscountType.Amount);
Coupon coupon1 = new Coupon(100.00, 10, DiscountType.Rate);
List <Campaign> discounts = new List <Campaign>();
discounts.Add(discount1);
discounts.Add(discount2);
discounts.Add(discount3);
List <Coupon> coupons = new List <Coupon>();
coupons.Add(coupon1);
mainClass.Shopping(ref cart, ref discounts, ref coupons);
}
