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Revert r82044, since it changed the semantics of negated imaginary literals.

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Before r82044, '-7j' became complex(0.0, -7.0);  afterwards it was
complex(-0.0, -7.0).  See issue 9011.
This commit is contained in:
Mark Dickinson 2010-06-30 10:34:53 +00:00
parent 881c1b4c10
commit ce5b6c43bf
3 changed files with 26 additions and 15 deletions
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10
Lib/test/test_parser.py
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@ -479,16 +479,6 @@ def test_compile_badunicode(self):
st = parser.suite('a = "\\u1"')
self.assertRaises(SyntaxError, parser.compilest, st)
def test_issue_9011(self):
# Issue 9011: compilation of an unary minus expression changed
# the meaning of the ST, so that a second compilation produced
# incorrect results.
st = parser.expr('-3')
code1 = parser.compilest(st)
self.assertEqual(eval(code1), -3)
code2 = parser.compilest(st)
self.assertEqual(eval(code2), -3)
class ParserStackLimitTestCase(unittest.TestCase):
"""try to push the parser to/over its limits.
see http://bugs.python.org/issue1881 for a discussion