diff options
Diffstat (limited to 'Lib/test/test_decimal.py')
| -rw-r--r-- | Lib/test/test_decimal.py | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/Lib/test/test_decimal.py b/Lib/test/test_decimal.py index d00ed5aa40..3ca5927f79 100644 --- a/Lib/test/test_decimal.py +++ b/Lib/test/test_decimal.py @@ -1992,7 +1992,8 @@ class UsabilityTest(unittest.TestCase): d = Decimal("-4.34913534E-17") self.assertEqual(d.as_tuple(), (1, (4, 3, 4, 9, 1, 3, 5, 3, 4), -25) ) - # XXX non-compliant infinity payload. + # The '0' coefficient is implementation specific to decimal.py. + # It has no meaning in the C-version and is ignored there. d = Decimal("Infinity") self.assertEqual(d.as_tuple(), (0, (0,), 'F') ) @@ -2012,12 +2013,14 @@ class UsabilityTest(unittest.TestCase): d = Decimal( (1, (), 'n') ) self.assertEqual(d.as_tuple(), (1, (), 'n') ) - # XXX coefficient in infinity should raise an error - if self.decimal == P: - d = Decimal( (0, (4, 5, 3, 4), 'F') ) - self.assertEqual(d.as_tuple(), (0, (0,), 'F')) - d = Decimal( (1, (0, 2, 7, 1), 'F') ) - self.assertEqual(d.as_tuple(), (1, (0,), 'F')) + # For infinities, decimal.py has always silently accepted any + # coefficient tuple. + d = Decimal( (0, (0,), 'F') ) + self.assertEqual(d.as_tuple(), (0, (0,), 'F')) + d = Decimal( (0, (4, 5, 3, 4), 'F') ) + self.assertEqual(d.as_tuple(), (0, (0,), 'F')) + d = Decimal( (1, (0, 2, 7, 1), 'F') ) + self.assertEqual(d.as_tuple(), (1, (0,), 'F')) def test_subclassing(self): # Different behaviours when subclassing Decimal |