diff options
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_parser.py | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/Lib/test/test_parser.py b/Lib/test/test_parser.py index a36b544..071d362 100644 --- a/Lib/test/test_parser.py +++ b/Lib/test/test_parser.py @@ -484,8 +484,18 @@ class CompileTestCase(unittest.TestCase): 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 it's limits. + """try to push the parser to/over its limits. see http://bugs.python.org/issue1881 for a discussion """ def _nested_expression(self, level): |