[Test] public void TestReverseIndex()
{
GenericStack <string> stringStack = new GenericStack <string>();
stringStack.Push("1");
stringStack.Push("2");
stringStack.Push("3");
Assert.AreEqual(2, stringStack.ReverseIndex(0));
Assert.AreEqual(1, stringStack.ReverseIndex(1));
Assert.AreEqual(0, stringStack.ReverseIndex(2));
Assert.AreEqual(0, stringStack.ReverseIndex(5));
Assert.AreEqual(2, stringStack.ReverseIndex(-20));
}
