public void VerifyThatNewProductWasAddedToTheCart() { Shopping.ShoppingCart[] expectedNewCart = new Shopping.ShoppingCart[] { new Shopping.ShoppingCart { product = "bananaaaaas", price = 10 }, new Shopping.ShoppingCart { product = "apples", price = 3 }, new Shopping.ShoppingCart { product = "grapes", price = 50 }, new Shopping.ShoppingCart { product = "pears", price = 3 }, new Shopping.ShoppingCart { product = "oranges", price = 11 }, new Shopping.ShoppingCart { product = "lemons", price = 11 }, new Shopping.ShoppingCart { product = "applepie", price = 50 }, new Shopping.ShoppingCart { product = "cherries", price = 25 }, new Shopping.ShoppingCart { product = "melon", price = 37 } }; Shopping.ShoppingCart[] newCart = Shopping.AddNewEntry(cart, "melon", 37); CollectionAssert.AreEqual(expectedNewCart, newCart); }