public void EmptyListSucceeds()
        {
            IList <int> list = new UnsortedList <int>(10);

            list.AddItem(16);

            Assert.IsTrue(list.Contains(16));

            list.Empty();

            Assert.IsFalse(list.Contains(16));
        }
        public void AddItemSucceeds()
        {
            IList <int> list = new UnsortedList <int>(10);

            list.AddItem(16);

            Assert.IsTrue(list.Contains(16));
        }