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bpo-31577: Fix a crash in os.utime() in case of a bad ns argument. (GH-3752)

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Oren Milman 2018-09-12 22:14:35 +03:00 • committed by Serhiy Storchaka
parent e502451781
commit 0bd1a2dcfd
3 changed files with 24 additions and 0 deletions
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16
Lib/test/test_os.py
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@ -635,6 +635,22 @@ class UtimeTests(unittest.TestCase):
with self.assertRaises(ValueError):
os.utime(self.fname, (5, 5), ns=(5, 5))
@support.cpython_only
def test_issue31577(self):
# The interpreter shouldn't crash in case utime() received a bad
# ns argument.
def get_bad_int(divmod_ret_val):
class BadInt:
def __divmod__(*args):
return divmod_ret_val
return BadInt()
with self.assertRaises(TypeError):
os.utime(self.fname, ns=(get_bad_int(42), 1))
with self.assertRaises(TypeError):
os.utime(self.fname, ns=(get_bad_int(()), 1))
with self.assertRaises(TypeError):
os.utime(self.fname, ns=(get_bad_int((1, 2, 3)), 1))
from test import mapping_tests