static void Main(string[] args)
{
Node node1 = new Node(1);
Node node2 = new Node(2);
Node node3 = new Node(3);
Node node4 = new Node(4);
Stack myStack = new Stack(null);
QueueStack myQueue = new QueueStack(myStack);
Console.WriteLine($"Enqueue: {node1.Value}");
myQueue.Enqueue(node1);
Console.WriteLine($"Enqueue: {node2.Value}");
myQueue.Enqueue(node2);
Console.WriteLine($"Enqueue: {node3.Value}");
myQueue.Enqueue(node3);
Console.WriteLine($"Enqueue: {node4.Value}");
myQueue.Enqueue(node4);
Console.WriteLine($"Deque: {myQueue.Dequeue().Value}");
Console.WriteLine($"Deque: {myQueue.Dequeue().Value}");
Console.WriteLine($"Deque: {myQueue.Dequeue().Value}");
Console.WriteLine($"Deque: {myQueue.Dequeue().Value}");
}
public void DequeueReturnsNullIfNoNodesInQeueue()
{
//Arrange
Stack myStack = new Stack(null);
QueueStack myQueue = new QueueStack(myStack);
//Asssert
Assert.Null(myQueue.Dequeue());
}
public void QueueFunctionsAsFIFO()
{
//Arrange
Node node1 = new Node(1);
Node node2 = new Node(2);
Stack myStack = new Stack(node1);
QueueStack myQueue = new QueueStack(myStack);
myQueue.Enqueue(node2);
//Asssert
Assert.Equal(1, myQueue.Dequeue().Value);
}