static void Main(string[] args)
{
// AddFirst and AddLast tests
CustomLinkedList <int> testList1 = new CustomLinkedList <int>(new ListItem <int>(1));
testList1.AddFirst(5);
testList1.AddFirst(15);
testList1.AddLast(12345);
testList1.AddLast(54321);
Traverse <int>(testList1);
Console.WriteLine("Elements count is: {0}", testList1.Count());
Console.WriteLine("----------------------------------------------------------");
// AddBefore and AddAfter tests
CustomLinkedList <int> testList2 = new CustomLinkedList <int>(new ListItem <int>(11));
testList2.AddLast(111);
testList2.AddBefore(testList2.FirstElement, 555);
testList2.AddAfter(testList2.FirstElement.NextItem, 6543);
Traverse <int>(testList2);
Console.WriteLine("Elements count is: {0}", testList2.Count());
Console.WriteLine("----------------------------------------------------------");
// RemoveFirst and RemoveLastTests
CustomLinkedList <int> testList3 = new CustomLinkedList <int>(new ListItem <int>(33));
testList3.AddAfter(testList3.FirstElement, 333);
testList3.AddAfter(testList3.FirstElement.NextItem, 3333);
testList3.AddAfter(testList3.FirstElement.NextItem.NextItem, 33333);
testList3.AddAfter(testList3.FirstElement.NextItem.NextItem.NextItem, 333333);
testList3.RemoveFirst();
testList3.RemoveLast();
Traverse <int>(testList3);
Console.WriteLine("Elements count is: {0}", testList3.Count());
}
private static void Traverse <T>(CustomLinkedList <T> myList)
{
ListItem <T> currentElement = myList.FirstElement;
while (true)
{
Console.WriteLine(currentElement.Value);
if (currentElement.NextItem == null)
{
return;
}
else
{
currentElement = currentElement.NextItem;
}
}
}
