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Issue #7561: Operations on empty bytearrays (such as int(bytearray()))

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could crash in many places because of the PyByteArray_AS_STRING() macro
returning NULL.  The macro now returns a statically allocated empty
string instead.
This commit is contained in:
Antoine Pitrou 2010-01-17 12:26:20 +00:00
parent aee900338e
commit e80a6a4ead
4 changed files with 23 additions and 18 deletions
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7
Lib/test/test_bytes.py
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@ -783,6 +783,13 @@ class ByteArrayTest(BaseBytesTest):
self.assertRaises(BufferError, delslice)
self.assertEquals(b, orig)
def test_empty_bytearray(self):
# Issue #7561: operations on empty bytearrays could crash in many
# situations, due to a fragile implementation of the
# PyByteArray_AS_STRING() C macro.
self.assertRaises(ValueError, int, bytearray(b''))
class AssortedBytesTest(unittest.TestCase):
#
# Test various combinations of bytes and bytearray