diff options
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/test/test_itertools.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Lib/test/test_itertools.py b/Lib/test/test_itertools.py index 3aed779..993438c 100644 --- a/Lib/test/test_itertools.py +++ b/Lib/test/test_itertools.py @@ -985,6 +985,16 @@ class TestBasicOps(unittest.TestCase): for proto in range(pickle.HIGHEST_PROTOCOL + 1): self.pickletest(proto, product(*args)) + def test_product_issue_25021(self): + # test that indices are properly clamped to the length of the tuples + p = product((1, 2),(3,)) + p.__setstate__((0, 0x1000)) # will access tuple element 1 if not clamped + self.assertEqual(next(p), (2, 3)) + # test that empty tuple in the list will result in an immediate StopIteration + p = product((1, 2), (), (3,)) + p.__setstate__((0, 0, 0x1000)) # will access tuple element 1 if not clamped + self.assertRaises(StopIteration, next, p) + def test_repeat(self): self.assertEqual(list(repeat(object='a', times=3)), ['a', 'a', 'a']) self.assertEqual(lzip(range(3),repeat('a')), |