public void CompareToTest() { Toy toy1 = new Toy(); Toy toy2 = new Toy(); toy1.SetParameters("0-3", "Small", "Wood"); toy1.GetPrice("Ball"); toy2.SetParameters("0-3", "Small", "Wood"); toy2.GetPrice("Car"); int expected = -1; int actual = toy1.CompareTo(toy2); Assert.AreEqual(expected, actual); }