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Diffstat (limited to 'Lib/test/test_devpoll.py')
| -rw-r--r-- | Lib/test/test_devpoll.py | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Lib/test/test_devpoll.py b/Lib/test/test_devpoll.py index bef4e18..c7bacf8 100644 --- a/Lib/test/test_devpoll.py +++ b/Lib/test/test_devpoll.py @@ -87,6 +87,17 @@ class DevPollTests(unittest.TestCase): self.assertRaises(OverflowError, pollster.poll, 1 << 63) self.assertRaises(OverflowError, pollster.poll, 1 << 64) + def test_events_mask_overflow(self): + pollster = select.devpoll() + w, r = os.pipe() + pollster.register(w) + # Issue #17919 + self.assertRaises(OverflowError, pollster.register, 0, -1) + self.assertRaises(OverflowError, pollster.register, 0, USHRT_MAX + 1) + self.assertRaises(OverflowError, pollster.modify, 1, -1) + self.assertRaises(OverflowError, pollster.modify, 1, USHRT_MAX + 1) + + def test_main(): run_unittest(DevPollTests) |