public void Have_Count_Of_Current_Items()
{
LinkedList<int> list = new LinkedList<int>();
Node<int> node100 = new Node<int>(100);
Node<int> node200 = new Node<int>(200);
Node<int> node300 = new Node<int>(300);
Assert.AreEqual(0, list.Count);
list.AddToTail(node100);
Assert.AreEqual(1, list.Count);
list.AddToTail(node200);
Assert.AreEqual(2, list.Count);
list.AddToTail(node300);
Assert.AreEqual(3, list.Count);
}
public void Have_Ability_To_Remove_Head_Or_Tail_Node()
{
LinkedList<int> list = new LinkedList<int>();
Node<int> node100 = new Node<int>(100);
Node<int> node200 = new Node<int>(200);
Node<int> node300 = new Node<int>(300);
list.AddToTail(node100);
list.AddToTail(node200);
list.AddToTail(node300);
Assert.AreSame(node100, list.Head);
list.RemoveFromHead();
Assert.AreSame(node200, list.Head);
Assert.AreSame(node300, list.Tail);
list.RemoveFromTail();
Assert.AreSame(node200, list.Tail);
}
public void Have_Ability_To_Add_To_Head_Or_Tail_Node()
{
LinkedList<int> list = new LinkedList<int>();
Node<int> headNode = new Node<int>(100);
Node<int> tailNode = new Node<int>(200);
list.AddToHead(headNode);
list.AddToTail(tailNode);
Assert.AreSame(headNode, list.Head);
Assert.AreSame(tailNode, list.Tail);
}
