diff options
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/test/test_itertools.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Lib/test/test_itertools.py b/Lib/test/test_itertools.py index ece7f99..835ae33 100644 --- a/Lib/test/test_itertools.py +++ b/Lib/test/test_itertools.py @@ -1267,6 +1267,14 @@ class TestBasicOps(unittest.TestCase): self.pickletest(a, compare=ans) self.pickletest(b, compare=ans) + # Issue 13454: Crash when deleting backward iterator from tee() + def test_tee_del_backward(self): + forward, backward = tee(range(20000000)) + for i in forward: + pass + + del backward + def test_StopIteration(self): self.assertRaises(StopIteration, next, zip()) |