diff options
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/test/datetimetester.py | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Lib/test/datetimetester.py b/Lib/test/datetimetester.py index 29b70e1..a042efd 100644 --- a/Lib/test/datetimetester.py +++ b/Lib/test/datetimetester.py @@ -866,6 +866,26 @@ class TestTimeDelta(HarmlessMixedComparison, unittest.TestCase): self.assertRaises(TypeError, divmod, t, 10) + def test_issue31293(self): + # The interpreter shouldn't crash in case a timedelta is divided or + # multiplied by a float with a bad as_integer_ratio() method. + def get_bad_float(bad_ratio): + class BadFloat(float): + def as_integer_ratio(self): + return bad_ratio + return BadFloat() + + with self.assertRaises(TypeError): + timedelta() / get_bad_float(1 << 1000) + with self.assertRaises(TypeError): + timedelta() * get_bad_float(1 << 1000) + + for bad_ratio in [(), (42, ), (1, 2, 3)]: + with self.assertRaises(ValueError): + timedelta() / get_bad_float(bad_ratio) + with self.assertRaises(ValueError): + timedelta() * get_bad_float(bad_ratio) + ############################################################################# # date tests |