diff options
Diffstat (limited to 'Lib/test/test_mmap.py')
| -rw-r--r-- | Lib/test/test_mmap.py | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/Lib/test/test_mmap.py b/Lib/test/test_mmap.py index b8998ea13d..1a23f2e467 100644 --- a/Lib/test/test_mmap.py +++ b/Lib/test/test_mmap.py @@ -1,6 +1,6 @@ from test.test_support import TESTFN, run_unittest, import_module import unittest -import os, re +import os, re, itertools mmap = import_module('mmap') @@ -351,9 +351,21 @@ class MmapTests(unittest.TestCase): self.assertEqual(m[:], expected) m.close() - # should not crash - m = mmap.mmap(-1, 1) - self.assertRaises(ValueError, m.move, 1, 1, -1) + # segfault test (Issue 5387) + m = mmap.mmap(-1, 100) + offsets = [-100, -1, 0, 1, 100] + for source, dest, size in itertools.product(offsets, offsets, offsets): + try: + m.move(source, dest, size) + except ValueError: + pass + self.assertRaises(ValueError, m.move, -1, -1, -1) + self.assertRaises(ValueError, m.move, -1, -1, 0) + self.assertRaises(ValueError, m.move, -1, 0, -1) + self.assertRaises(ValueError, m.move, 0, -1, -1) + self.assertRaises(ValueError, m.move, -1, 0, 0) + self.assertRaises(ValueError, m.move, 0, -1, 0) + self.assertRaises(ValueError, m.move, 0, 0, -1) m.close() def test_anonymous(self): |