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author | Serhiy Storchaka <storchaka@gmail.com> | 2016-07-03 14:42:17 +0300 |
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committer | Serhiy Storchaka <storchaka@gmail.com> | 2016-07-03 14:42:17 +0300 |
commit | 6e5626f7c423d97f740ca5b5f17a1496b704a9ab (patch) | |
tree | aa8d439acf2f7bfc83c2809999e34cc49a714a41 /Lib/test | |
parent | 6341b89ccbfcfb8720a07d133d0eb0d36a0a1bfc (diff) | |
parent | 18436ec5ddaac031fea2f7653d2c473e10d1c279 (diff) | |
download | cpython-6e5626f7c423d97f740ca5b5f17a1496b704a9ab.tar.gz |
Issue #27443: __length_hint__() of bytearray itearator no longer return
negative integer for resized bytearray.
Diffstat (limited to 'Lib/test')
-rw-r--r-- | Lib/test/test_bytes.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Lib/test/test_bytes.py b/Lib/test/test_bytes.py index 9d878caa44..05dc26afaf 100644 --- a/Lib/test/test_bytes.py +++ b/Lib/test/test_bytes.py @@ -1328,6 +1328,16 @@ class ByteArrayTest(BaseBytesTest, unittest.TestCase): 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 |