public void Insert() { int[] input = new int[] { }; LinkedTableBy2Array lta = new LinkedTableBy2Array(); lta.Initial(input); lta.Insert(1, 3); Assert.AreEqual("3", lta.ToString()); lta.Insert(1, 1); Assert.AreEqual("13", lta.ToString()); lta.Insert(2, 2); Assert.AreEqual("123", lta.ToString()); lta.Insert(4, 4); Assert.AreEqual("1234", lta.ToString()); }