(self)
| 38 | self.assertFalse(self.history.is_at_end) |
| 39 | |
| 40 | def test_back(self): |
| 41 | self.assertEqual(self.history.back(), "#999") |
| 42 | self.assertNotEqual(self.history.back(), "#999") |
| 43 | self.assertEqual(self.history.back(), "#997") |
| 44 | for x in range(997): |
| 45 | self.history.back() |
| 46 | self.assertEqual(self.history.back(), "#0") |
| 47 | |
| 48 | def test_forward(self): |
| 49 | self.history.first() |