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Issue #9530: Fix undefined-behaviour-inducing overflow checks in bytes and bytearray implementations.

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This commit is contained in:
Mark Dickinson 2010-08-10 18:35:01 +00:00
parent 331ea92ade
commit cf940c701f
3 changed files with 49 additions and 68 deletions
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6
Lib/test/test_bytes.py
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@ -220,8 +220,10 @@ class BaseBytesTest(unittest.TestCase):
self.assertRaises(TypeError, lambda: b * 3.14)
self.assertRaises(TypeError, lambda: 3.14 * b)
# XXX Shouldn't bytes and bytearray agree on what to raise?
self.assertRaises((OverflowError, MemoryError),
lambda: b * sys.maxsize)
with self.assertRaises((OverflowError, MemoryError)):
c = b * sys.maxsize
with self.assertRaises((OverflowError, MemoryError)):
b *= sys.maxsize
def test_repeat_1char(self):
self.assertEqual(self.type2test(b'x')*100, self.type2test([ord('x')]*100))