public void Verify_MakeConsumptionSound() { Drink drink = new Drink("A1", "Compu-Tears", 1.50M, "Drink"); Gum gum = new Gum("B1", "Com-Chew-ter", 0.90M, "Gum"); Chip chip = new Chip("C1", "Computer Chips", 3.15M, "Chip"); Candy candy = new Candy("D1", "Chocolate Computer Chips", 1.00M, "Candy"); Assert.AreEqual <string>("Glug Glug, Yum", drink.MakeConsumptionSound()); Assert.AreEqual <string>("Chew Chew, Yum", gum.MakeConsumptionSound()); Assert.AreEqual <string>("Crunch Crunch, Yum", chip.MakeConsumptionSound()); Assert.AreEqual <string>("Munch Munch, Yum", candy.MakeConsumptionSound()); }