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authorNadeem Vawda <nadeem.vawda@gmail.com>2011-05-14 12:05:20 (GMT)
committerNadeem Vawda <nadeem.vawda@gmail.com>2011-05-14 12:05:20 (GMT)
commit7619e88adb27d1cd167483304cd1514812b68039 (patch)
treed065af7688874814b8d15485f9d35f18c504d0fe /Lib/test/test_zlib.py
parenteda199030b1004dbce32486c9285c25c68871478 (diff)
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Issue #12050: zlib.decompressobj().decompress() now clears the unconsumed_tail
attribute when called without a max_length argument.
Diffstat (limited to 'Lib/test/test_zlib.py')
-rw-r--r--Lib/test/test_zlib.py9
1 files changed, 9 insertions, 0 deletions
diff --git a/Lib/test/test_zlib.py b/Lib/test/test_zlib.py
index 7593c06..f991900 100644
--- a/Lib/test/test_zlib.py
+++ b/Lib/test/test_zlib.py
@@ -350,6 +350,15 @@ class CompressObjectTestCase(BaseCompressTestCase, unittest.TestCase):
self.assertRaises(ValueError, dco.decompress, b"", -1)
self.assertEqual(b'', dco.unconsumed_tail)
+ def test_clear_unconsumed_tail(self):
+ # Issue #12050: calling decompress() without providing max_length
+ # should clear the unconsumed_tail attribute.
+ cdata = b"x\x9cKLJ\x06\x00\x02M\x01" # "abc"
+ dco = zlib.decompressobj()
+ ddata = dco.decompress(cdata, 1)
+ ddata += dco.decompress(dco.unconsumed_tail)
+ self.assertEqual(dco.unconsumed_tail, b"")
+
def test_flushes(self):
# Test flush() with the various options, using all the
# different levels in order to provide more variations.