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| author | Serhiy Storchaka <storchaka@gmail.com> | 2013-01-25 11:19:31 (GMT) |
|---|---|---|
| committer | Serhiy Storchaka <storchaka@gmail.com> | 2013-01-25 11:19:31 (GMT) |
| commit | a3e9128aba49b99451b19b49982b7b48e4f7ffe6 (patch) | |
| tree | 768d8e543f44a9747172e84fe97094a42cf6bb0f /Lib | |
| parent | 2f2dd992a3b73ee320834916e678be7762c06383 (diff) | |
| download | cpython-a3e9128aba49b99451b19b49982b7b48e4f7ffe6.zip cpython-a3e9128aba49b99451b19b49982b7b48e4f7ffe6.tar.gz cpython-a3e9128aba49b99451b19b49982b7b48e4f7ffe6.tar.bz2 | |
Issue #13454: Fix a crash when deleting an iterator created by itertools.tee()
if all other iterators were very advanced before.
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 8cdc597..66e307d 100644 --- a/Lib/test/test_itertools.py +++ b/Lib/test/test_itertools.py @@ -930,6 +930,14 @@ class TestBasicOps(unittest.TestCase): del a self.assertRaises(ReferenceError, getattr, p, '__class__') + # 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()) |