public void TestCount()
        {
            SingleLinkedList <int> list = GetIntList(30);

            Assert.AreEqual(30, list.Count);
        }
        public void ReverseEmptyList()
        {
            var list = new SingleLinkedList <int>();

            list.Reverse();
        }
        public void TestContains()
        {
            SingleLinkedList <int> list = GetIntList(30);

            Assert.IsTrue(list.Contains(25));
        }