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Antoine Pitrou 2012-02-27 01:01:44 +01:00
commit f12b4475cc
1 changed files with 5 additions and 18 deletions
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23
Lib/test/test_zlib.py
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@ -66,24 +66,11 @@ class ChecksumTestCase(unittest.TestCase):
# Issue #10276 - check that inputs >=4GB are handled correctly. # Issue #10276 - check that inputs >=4GB are handled correctly.
class ChecksumBigBufferTestCase(unittest.TestCase): class ChecksumBigBufferTestCase(unittest.TestCase):
def setUp(self): @bigmemtest(size=_4G + 4, memuse=1, dry_run=False)
with open(support.TESTFN, "wb+") as f: def test_big_buffer(self, size):
f.seek(_4G) data = b"nyan" * (_1G + 1)
f.write(b"asdf") self.assertEqual(zlib.crc32(data), 1044521549)
f.flush() self.assertEqual(zlib.adler32(data), 2256789997)
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)
self.assertEqual(zlib.adler32(self.mapping), 82837919)
class ExceptionTestCase(unittest.TestCase): class ExceptionTestCase(unittest.TestCase):