diff options
Diffstat (limited to 'unittest/rational.py')
| -rw-r--r-- | unittest/rational.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/unittest/rational.py b/unittest/rational.py index 8ae6d65..f475846 100644 --- a/unittest/rational.py +++ b/unittest/rational.py @@ -36,6 +36,14 @@ class TestRational(unittest.TestCase): self.assertEqual(r.denominator, 1) self.assertRaises(ZeroDivisionError, Rational, 1, 0) + def test_from_string(self): + self.assertEqual(Rational.from_string('4/3'), Rational(4, 3)) + self.assertEqual(Rational.from_string('-4/3'), Rational(-4, 3)) + self.assertRaises(ValueError, Rational.from_string, '+3/5') + self.assertRaises(ValueError, Rational.from_string, '3 / 5') + self.assertRaises(ValueError, Rational.from_string, '3/-5') + self.assertRaises(ValueError, Rational.from_string, 'invalid') + def test_equality(self): r1 = Rational(2, 1) r2 = Rational(2, 1) |