public void AddTest()
        {
            var sut = new XorLinkedList();

            for (int i = 0; i < TestValues1.Length; i++)
            {
                Assert.AreEqual(i, sut.add(TestValues1[i]));
            }
        }
        public void GetTest()
        {
            var sut = new XorLinkedList();

            for (int i = 0; i < TestValues1.Length; i++)
            {
                sut.add(TestValues1[i]);
            }
            for (int i = 0; i < TestValues1.Length; i++)
            {
                Assert.AreEqual(TestValues1[i], sut.get(i));
            }
        }