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-rw-r--r-- | Lib/test/test_re.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py index 07bc63b..c86f502 100644 --- a/Lib/test/test_re.py +++ b/Lib/test/test_re.py @@ -235,6 +235,16 @@ class ReTests(unittest.TestCase): self.assertEqual(re.match('^(?:(a)|c)((?(1)|d))$', 'a').groups(), ('a', '')) + # Tests for bug #1177831: exercise groups other than the first group + p = re.compile('(?P<g1>a)(?P<g2>b)?((?(g2)c|d))') + self.assertEqual(p.match('abc').groups(), + ('a', 'b', 'c')) + self.assertEqual(p.match('ad').groups(), + ('a', None, 'd')) + self.assertEqual(p.match('abd'), None) + self.assertEqual(p.match('ac'), None) + + def test_re_groupref(self): self.assertEqual(re.match(r'^(\|)?([^()]+)\1$', '|a|').groups(), ('|', 'a')) |