public void Contents_of_an_emptied_dishwasher_are_always_clean() { var fork = new Fork(); var spoon = new Spoon(); var glass = new Glass(); Avatar avatar = new Avatar(); avatar.PickUp(fork); avatar.PickUp(spoon); avatar.PickUp(glass); Dishwasher washer = new Dishwasher(); washer.Load(fork); washer.Load(spoon); washer.Load(glass); washer.TakeEverythingOut(); Assert.IsTrue(washer.ContentsAreClean()); }