public void JumpingAroundTheTape() { tapeUT.SetValue(10); tapeUT.Jump(); Assert.AreEqual(0, tapeUT.GetValue()); tapeUT.SetIndex(); Assert.AreEqual(10, tapeUT.GetValue()); tapeUT.Decrement(); Assert.AreEqual(9, tapeUT.GetValue()); tapeUT.Retrieve(); Assert.AreEqual(0, tapeUT.GetValue()); }