@Test
public void testDequeue() {
System.out.println("dequeue");
// [].dequeue() -> []
ADTQueue instance = ADTQueue.createQ();
ADTQueue expResult = ADTQueue.createQ();
ADTQueue result = instance.dequeue();
assertEquals(expResult, result);
// [3,2,1].dequeue() -> [3,2]
ADTQueue instance2 = ADTQueue.createQ().enqueue(1).enqueue(2).enqueue(3);
ADTQueue expResult2 = ADTQueue.createQ().enqueue(2).enqueue(3);
ADTQueue result2 = instance2.dequeue();
assertEquals(expResult2, result2);
}
