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());
}