def test_insert_two_then_remove(self): queue = ListQueue() queue.insert(1) queue.insert(2) res = queue.remove() self.assertEqual(res, 1) self.assertEqual(queue.list(), [2])
def test_is_empty_when_inserted_and_deleted(self): queue = ListQueue() queue.insert(1) queue.remove() self.assertTrue(queue.isEmpty())
def test_insert_one(self): queue = ListQueue() queue.insert(1) self.assertEqual(queue.list(), [1])
def test_is_empty_when_inserted(self): queue = ListQueue() queue.insert(1) self.assertFalse(queue.isEmpty())
def test_is_empty_when_empty(self): queue = ListQueue() self.assertTrue(queue.isEmpty())
def test_remove_empty(self): queue = ListQueue() with self.assertRaises(ValueError): res = queue.remove()
def test_insert_until_full(self): queue = ListQueue(5) for i in range(5): queue.insert(i) self.assertEqual(queue.list(), [0, 1, 2, 3, 4])
def test_head_non_empty(self): queue = ListQueue() queue.insert(1) self.assertEqual(queue.head(), 1)
def test_head_empty(self): queue = ListQueue() with self.assertRaises(ValueError): queue.head()
def test_insert_two(self): queue = ListQueue() queue.insert(1) queue.insert(2) self.assertEqual(queue.list(), [1, 2])