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| author | Serhiy Storchaka <storchaka@gmail.com> | 2013-01-25 11:24:47 (GMT) |
|---|---|---|
| committer | Serhiy Storchaka <storchaka@gmail.com> | 2013-01-25 11:24:47 (GMT) |
| commit | 339e91d4cb5fcbd622447b5249c4570d35c577f9 (patch) | |
| tree | 3410e985aef9c6cc94e4678b2b7f3b9372be97ff /Lib | |
| parent | 5070c27a8f1ccc887c5cf60fd9993f0df3234f17 (diff) | |
| parent | a3e9128aba49b99451b19b49982b7b48e4f7ffe6 (diff) | |
| download | cpython-339e91d4cb5fcbd622447b5249c4570d35c577f9.zip cpython-339e91d4cb5fcbd622447b5249c4570d35c577f9.tar.gz cpython-339e91d4cb5fcbd622447b5249c4570d35c577f9.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 90e85a9..efd50ba 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()) |