@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();
}