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Make the various iterators' "setstate" sliently and consistently clip the

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index.  This avoids the possibility of setting an iterator to an invalid
state.
This commit is contained in:
Kristján Valur Jónsson 2014-03-05 15:23:07 +00:00
commit c5cc5011ac
8 changed files with 66 additions and 15 deletions
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12
Lib/test/test_range.py
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@ -381,6 +381,18 @@ class RangeTest(unittest.TestCase):
self.assertEqual(list(it), data[1:])
def test_exhausted_iterator_pickling(self):
r = range(2**65, 2**65+2)
i = iter(r)
while True:
r = next(i)
if r == 2**65+1:
break
d = pickle.dumps(i)
i2 = pickle.loads(d)
self.assertEqual(list(i), [])
self.assertEqual(list(i2), [])
def test_large_exhausted_iterator_pickling(self):
r = range(20)
i = iter(r)
while True: