public void DataFromPosTest()
{
UniqueList list = new UniqueList();
list.AddToList(1);
list.AddToList(2);
list.AddToList(3);
list.AddToList(5);
list.AddToList(4);
Assert.AreEqual(3, list.DataFromPos(3));
Assert.AreEqual(4, list.DataFromPos(5));
}