def test_ArrayQueue(self):
queue = ArrayQueue()
queue.enqueue(1)
queue.enqueue(2)
queue.enqueue(3)
# test __iter__()
it = iter(queue)
self.assertEqual(1, next(it))
self.assertEqual(2, next(it))
self.assertEqual(3, next(it))
self.assertRaises(StopIteration, next, it)
# test __len__()
self.assertEqual(3, len(queue))
# test is_empty()
self.assertFalse(queue.is_empty())
# test peek()
self.assertEqual(1, queue.peek())
# test dequeue()
self.assertEqual(1, queue.dequeue())
self.assertEqual(2, queue.dequeue())
self.assertEqual(3, queue.dequeue())
self.assertTrue(queue.is_empty())
def test_ArrayQueue(self):
queue = ArrayQueue()
queue.enqueue(1)
queue.enqueue(2)
queue.enqueue(3)
# test __iter__()
it = iter(queue)
self.assertEqual(1, next(it))
self.assertEqual(2, next(it))
self.assertEqual(3, next(it))
self.assertRaises(StopIteration, next, it)
# test __len__()
self.assertEqual(3, len(queue))
# test is_empty()
self.assertFalse(queue.is_empty())
# test peek()
self.assertEqual(1, queue.peek())
# test dequeue()
self.assertEqual(1, queue.dequeue())
self.assertEqual(2, queue.dequeue())
self.assertEqual(3, queue.dequeue())
self.assertTrue(queue.is_empty())