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author | Serhiy Storchaka <storchaka@gmail.com> | 2013-01-19 12:26:26 +0200 |
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committer | Serhiy Storchaka <storchaka@gmail.com> | 2013-01-19 12:26:26 +0200 |
commit | 47b7a0515b94d83b8eb07548116e10ec971282b7 (patch) | |
tree | 523ee130d55a69d7d208e40fbb56c2e5d11eeb36 /Lib/test/test_fileio.py | |
parent | dd97b3243aab31dd2c7bb9ca910207a94690c774 (diff) | |
download | cpython-47b7a0515b94d83b8eb07548116e10ec971282b7.tar.gz |
Issue #15989: Fix several occurrences of integer overflow
when result of PyLong_AsLong() narrowed to int without checks.
This is a backport of changesets 13e2e44db99d and 525407d89277.
Diffstat (limited to 'Lib/test/test_fileio.py')
-rw-r--r-- | Lib/test/test_fileio.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Lib/test/test_fileio.py b/Lib/test/test_fileio.py index b5bd8d45ad..8267d9eb99 100644 --- a/Lib/test/test_fileio.py +++ b/Lib/test/test_fileio.py @@ -7,6 +7,7 @@ import unittest from array import array from weakref import proxy from functools import wraps +import _testcapi from test.support import TESTFN, check_warnings, run_unittest, make_bad_fd from collections import UserList @@ -346,6 +347,9 @@ class OtherFileTests(unittest.TestCase): if sys.platform == 'win32': import msvcrt self.assertRaises(IOError, msvcrt.get_osfhandle, make_bad_fd()) + # Issue 15989 + self.assertRaises(TypeError, _FileIO, _testcapi.INT_MAX + 1) + self.assertRaises(TypeError, _FileIO, _testcapi.INT_MIN - 1) def testBadModeArgument(self): # verify that we get a sensible error message for bad mode argument |