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Fix pickling of rangeiter. rangeiter_setstate would not allow setting it

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to the exhausted state.
This commit is contained in:
Kristján Valur Jónsson 2014-03-04 23:19:24 +00:00
parent 682ea5f70e
commit 4ca688edeb
2 changed files with 13 additions and 1 deletions
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12
Lib/test/test_range.py
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@ -379,6 +379,18 @@ class RangeTest(unittest.TestCase):
it = pickle.loads(d)
self.assertEqual(list(it), data[1:])
def test_exhausted_iterator_pickling(self):
r = range(20)
i = iter(r)
while True:
r = next(i)
if r == 19:
break
d = pickle.dumps(i)
i2 = pickle.loads(d)
self.assertEqual(list(i), [])
self.assertEqual(list(i2), [])
def test_odd_bug(self):
# This used to raise a "SystemError: NULL result without error"
# because the range validation step was eating the exception