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Close #17666: Fix reading gzip files with an extra field.

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This commit is contained in:
Serhiy Storchaka 2013-04-08 22:35:02 +03:00
parent cf86d9441e
commit a6df938fef
3 changed files with 24 additions and 5 deletions
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7
Lib/test/test_gzip.py
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@ -379,6 +379,13 @@ class TestGzip(unittest.TestCase):
with gzip.GzipFile(fileobj=io.BytesIO(truncated[:i])) as f:
self.assertRaises(EOFError, f.read, 1)
def test_read_with_extra(self):
# Gzip data with an extra field
gzdata = (b'\x1f\x8b\x08\x04\xb2\x17cQ\x02\xff'
b'\x05\x00Extra'
b'\x0bI-.\x01\x002\xd1Mx\x04\x00\x00\x00')
with gzip.GzipFile(fileobj=io.BytesIO(gzdata)) as f:
self.assertEqual(f.read(), b'Test')
def test_main(verbose=None):
support.run_unittest(TestGzip)