diff options
Diffstat (limited to 'Lib/test/test_fractions.py')
| -rw-r--r-- | Lib/test/test_fractions.py | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/Lib/test/test_fractions.py b/Lib/test/test_fractions.py index 4649a34bcc..c748533c79 100644 --- a/Lib/test/test_fractions.py +++ b/Lib/test/test_fractions.py @@ -703,6 +703,28 @@ class FractionTest(unittest.TestCase): r = F(13, 7) self.assertRaises(AttributeError, setattr, r, 'a', 10) + def test_int_subclass(self): + class myint(int): + def __mul__(self, other): + return type(self)(int(self) * int(other)) + def __floordiv__(self, other): + return type(self)(int(self) // int(other)) + def __mod__(self, other): + x = type(self)(int(self) % int(other)) + return x + @property + def numerator(self): + return type(self)(int(self)) + @property + def denominator(self): + return type(self)(1) + + f = fractions.Fraction(myint(1 * 3), myint(2 * 3)) + self.assertEqual(f.numerator, 1) + self.assertEqual(f.denominator, 2) + self.assertEqual(type(f.numerator), myint) + self.assertEqual(type(f.denominator), myint) + if __name__ == '__main__': unittest.main() |