public void AddToTailTest()
{
Node seven = new Node(7);
DoubleLinkedList.DoublyLinkedList expected = new DoubleLinkedList.DoublyLinkedList();
expected.Tail = seven;
DoubleLinkedList.DoublyLinkedList test = new DoubleLinkedList.DoublyLinkedList();
test.AddToTail(seven);
Assert.Equal(expected.Tail, test.Tail);
}
public void DoublyLinkedListTest()
{
DoubleLinkedList.DoublyLinkedList test = new DoubleLinkedList.DoublyLinkedList();
Assert.Null(test.Head);
Assert.Null(test.Tail);
}