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Testcase for patch #1484695.

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This commit is contained in:
Georg Brandl 2006-12-20 11:55:16 +00:00
parent 94547f7646
commit ded1c4df0b
2 changed files with 28 additions and 6 deletions
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23
Lib/test/test_tarfile.py
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@ -601,6 +601,28 @@ class FileModeTest(unittest.TestCase):
self.assertEqual(tarfile.filemode(0755), '-rwxr-xr-x')
self.assertEqual(tarfile.filemode(07111), '---s--s--t')
class HeaderErrorTest(unittest.TestCase):
def test_truncated_header(self):
self.assertRaises(tarfile.HeaderError, tarfile.TarInfo.frombuf, "")
self.assertRaises(tarfile.HeaderError, tarfile.TarInfo.frombuf, "filename\0")
self.assertRaises(tarfile.HeaderError, tarfile.TarInfo.frombuf, "\0" * 511)
self.assertRaises(tarfile.HeaderError, tarfile.TarInfo.frombuf, "\0" * 513)
def test_empty_header(self):
self.assertRaises(tarfile.HeaderError, tarfile.TarInfo.frombuf, "\0" * 512)
def test_invalid_header(self):
buf = tarfile.TarInfo("filename").tobuf()
buf = buf[:148] + "foo\0\0\0\0\0" + buf[156:] # invalid number field.
self.assertRaises(tarfile.HeaderError, tarfile.TarInfo.frombuf, buf)
def test_bad_checksum(self):
buf = tarfile.TarInfo("filename").tobuf()
b = buf[:148] + " " + buf[156:] # clear the checksum field.
self.assertRaises(tarfile.HeaderError, tarfile.TarInfo.frombuf, b)
b = "a" + buf[1:] # manipulate the buffer, so checksum won't match.
self.assertRaises(tarfile.HeaderError, tarfile.TarInfo.frombuf, b)
if bz2:
# Bzip2 TestCases
@ -646,6 +668,7 @@ def test_main():
tests = [
FileModeTest,
HeaderErrorTest,
ReadTest,
ReadStreamTest,
ReadDetectTest,