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deque_traverse(): If the deque had one block, and its rightindex was

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BLOCKLEN-1, this assert-failed in a debug build, or went wild with a
NULL pointer in a release build.  Reported on c.l.py by Stefan Behnel.
This commit is contained in:
Tim Peters 2004-10-01 02:01:04 +00:00
parent d6e0032768
commit 10c7e86454
2 changed files with 22 additions and 10 deletions
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9
Lib/test/test_deque.py
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@ -324,6 +324,15 @@ class TestBasic(unittest.TestCase):
for s in ('abcd', xrange(2000)):
self.assertEqual(list(reversed(deque(s))), list(reversed(s)))
def test_gc_doesnt_blowup(self):
import gc
# This used to assert-fail in deque_traverse() under a debug
# build, or run wild with a NULL pointer in a release build.
d = deque()
for i in xrange(100):
d.append(1)
gc.collect()
def R(seqn):
'Regular generator'
for i in seqn: