Issue #12050: zlib.decompressobj().decompress() now clears the unconsumed_tail

attribute when called without a max_length argument.
This commit is contained in:
Nadeem Vawda 2011-05-14 14:29:07 +02:00
parent 9b323a521c
commit 0cc4fd9df7
3 changed files with 24 additions and 7 deletions

View file

@ -310,6 +310,15 @@ class CompressObjectTestCase(BaseCompressTestCase, unittest.TestCase):
self.assertRaises(ValueError, dco.decompress, "", -1)
self.assertEqual('', dco.unconsumed_tail)
def test_clear_unconsumed_tail(self):
# Issue #12050: calling decompress() without providing max_length
# should clear the unconsumed_tail attribute.
cdata = "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, "")
def test_flushes(self):
# Test flush() with the various options, using all the
# different levels in order to provide more variations.