diff options
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_rational.py | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Lib/test/test_rational.py b/Lib/test/test_rational.py index 3c3d1f96fe..1c378742a5 100644 --- a/Lib/test/test_rational.py +++ b/Lib/test/test_rational.py @@ -119,6 +119,17 @@ class RationalTest(unittest.TestCase): r.__init__(2, 15) self.assertEquals((7, 3), _components(r)) + self.assertRaises(AttributeError, setattr, r, 'numerator', 12) + self.assertRaises(AttributeError, setattr, r, 'denominator', 6) + self.assertEquals((7, 3), _components(r)) + + # But if you _really_ need to: + r._numerator = 4 + r._denominator = 2 + self.assertEquals((4, 2), _components(r)) + # Which breaks some important operations: + self.assertNotEquals(R(4, 2), r) + def testFromFloat(self): self.assertRaisesMessage( TypeError, "Rational.from_float() only takes floats, not 3 (int)", |