STINNER Victor <victor.stin...@haypocalc.com> added the comment:
test_zlib failure is on zlib.crc32(mmap.mmap(...)) with a mapping bigger than 4
GB:
----------------------
# Issue #10276 - check that inputs >=4GB are handled correctly.
class ChecksumBigBufferTestCase(unittest.TestCase):
def setUp(self):
with open(support.TESTFN, "wb+") as f:
f.seek(_4G)
f.write(b"asdf")
with open(support.TESTFN, "rb") as f:
self.mapping = mmap.mmap(f.fileno(), 0, access=mmap.ACCESS_READ)
def tearDown(self):
self.mapping.close()
support.unlink(support.TESTFN)
@unittest.skipUnless(mmap, "mmap() is not available.")
@unittest.skipUnless(sys.maxsize > _4G, "Can't run on a 32-bit system.")
@unittest.skipUnless(support.is_resource_enabled("largefile"),
"May use lots of disk space.")
def test_big_buffer(self):
self.assertEqual(zlib.crc32(self.mapping), 3058686908) <~~~ HERE
self.assertEqual(zlib.adler32(self.mapping), 82837919)
----------------------
It looks to be related to #11277 (and #10276).
----------
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue11760>
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