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authorGregory P. Smith <greg@krypto.org>2011-05-14 22:32:19 (GMT)
committerGregory P. Smith <greg@krypto.org>2011-05-14 22:32:19 (GMT)
commitec075e6479fa7e98b17625e954b442c205ce5672 (patch)
treeea48a8208569004ce88156ec62e44452e6d32334 /Lib
parent79aa5bf5ed78fd298c5744a31a867237d9062090 (diff)
parentccb33bf0028e966a7b0a3d67f6a83a8bf2cddcff (diff)
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-rw-r--r--Lib/test/test_zlib.py11
1 files changed, 11 insertions, 0 deletions
diff --git a/Lib/test/test_zlib.py b/Lib/test/test_zlib.py
index 48d9f58..930aac6 100644
--- a/Lib/test/test_zlib.py
+++ b/Lib/test/test_zlib.py
@@ -523,6 +523,17 @@ class CompressObjectTestCase(BaseCompressTestCase, unittest.TestCase):
decompress = lambda s: d.decompress(s) + d.flush()
self.check_big_decompress_buffer(size, decompress)
+ @precisionbigmemtest(size=_4G + 100, memuse=1)
+ def test_length_overflow(self, size):
+ if size < _4G + 100:
+ self.skipTest("not enough free memory, need at least 4 GB")
+ data = b'x' * size
+ try:
+ self.assertRaises(OverflowError, zlib.compress, data, 1)
+ self.assertRaises(OverflowError, zlib.decompress, data)
+ finally:
+ data = None
+
def genblock(seed, length, step=1024, generator=random):
"""length-byte stream of random data from a seed (in step-byte blocks)."""