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());
}
