(self)
| 19 | self.assertFalse(self.history.is_at_end) |
| 20 | |
| 21 | def test_is_at_end(self): |
| 22 | self.history.last() |
| 23 | |
| 24 | self.assertEqual(self.history.index, 0) |
| 25 | self.assertTrue(self.history.is_at_start) |
| 26 | self.assertFalse(self.history.is_at_end) |
| 27 | |
| 28 | def test_first(self): |
| 29 | self.history.first() |