public static void PeekAtQueueNode() { //Arrange StackAndQueue.Queue queue = new StackAndQueue.Queue(new Node(1)); queue.Enqueue(new Node(5)); queue.Enqueue(new Node(6)); queue.Enqueue(new Node(7)); queue.Enqueue(new Node(8)); queue.Enqueue(new Node(9)); //Act queue.Peek(); //Assert Assert.Equal(1, queue.Front.Value); }