(self)
| 474 | self.assertEqual(d, deque()) |
| 475 | |
| 476 | def test_len(self): |
| 477 | d = deque('ab') |
| 478 | self.assertEqual(len(d), 2) |
| 479 | d.popleft() |
| 480 | self.assertEqual(len(d), 1) |
| 481 | d.pop() |
| 482 | self.assertEqual(len(d), 0) |
| 483 | self.assertRaises(IndexError, d.pop) |
| 484 | self.assertEqual(len(d), 0) |
| 485 | d.append('c') |
| 486 | self.assertEqual(len(d), 1) |
| 487 | d.appendleft('d') |
| 488 | self.assertEqual(len(d), 2) |
| 489 | d.clear() |
| 490 | self.assertEqual(len(d), 0) |
| 491 | |
| 492 | def test_underflow(self): |
| 493 | d = deque() |
nothing calls this directly
no test coverage detected