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Issue #27443: __length_hint__() of bytearray itearator no longer return

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negative integer for resized bytearray.
This commit is contained in:
Serhiy Storchaka 2016-07-03 14:42:17 +03:00
commit 6c94d10a19
3 changed files with 18 additions and 1 deletions
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10
Lib/test/test_bytes.py
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@ -1328,6 +1328,16 @@ def test_iterator_pickling2(self):
test_exhausted_iterator = test.list_tests.CommonTest.test_exhausted_iterator
def test_iterator_length_hint(self):
# Issue 27443: __length_hint__ can return negative integer
ba = bytearray(b'ab')
it = iter(ba)
next(it)
ba.clear()
# Shouldn't raise an error
self.assertEqual(list(it), [])
class AssortedBytesTest(unittest.TestCase):
#
# Test various combinations of bytes and bytearray