public void DequeueShouldReturnHeadNode()
{
LinkedListQueue target = new LinkedListQueue();
Node firstNode = new Node();
target.Enqueue(firstNode);
Node expected = firstNode;
Node actual = target.Dequeue();
Assert.AreEqual(expected, actual);
}
public void DequeueShouldCreateNewHeadNode()
{
LinkedListQueue target = new LinkedListQueue();
Node firstNode = new Node();
Node secondNode = new Node(firstNode);
Node thirdNode = new Node(secondNode);
target.Enqueue(firstNode);
target.Enqueue(secondNode);
target.Enqueue(thirdNode);
target.Dequeue();
Node expected = secondNode;
Node actual = target.Head();
Assert.AreEqual(expected, actual);
}
