@Test public void testQueue() throws EmptyQueueException { Question_3_4<Integer> queue = new Question_3_4<Integer>(); queue.add(1); queue.add(2); assertEquals(new Integer(1), queue.remove()); queue.add(3); assertEquals(new Integer(2), queue.remove()); assertEquals(new Integer(3), queue.remove()); queue.add(4); assertEquals(new Integer(4), queue.remove()); }
@Test public void testIsEmpty() throws EmptyQueueException { Question_3_4<Integer> queue = new Question_3_4<Integer>(); assertTrue(queue.isEmpty()); queue.add(1); assertFalse(queue.isEmpty()); queue.remove(); assertTrue(queue.isEmpty()); }
@Test(expected = EmptyQueueException.class) public void testRemove_QueueIsEmpty() throws EmptyQueueException { Question_3_4<Integer> queue = new Question_3_4<Integer>(); queue.remove(); }