public void EnumeratingOnFixedStack()
{
var stack = new ResizingArrayStack <int>(1);
stack.Push(10);
stack.Push(15);
stack.Push(20);
stack.Push(30);
stack.Push(40);
var arr = stack.ToArray(); // because this uses the Enumerator
Assert.AreEqual(new int[] { 40, 30, 20, 15, 10 }, arr);
}