diff options
| author | SKO <41810398+uyw4687@users.noreply.github.com> | 2023-08-16 07:43:45 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-08-16 07:43:45 (GMT) |
| commit | abd9cc52d94b8e2835322b62c29f09bb0e6fcfe9 (patch) | |
| tree | 252a5f9d86fa4746cf7615ab7e6f16ceb12dede5 /Lib/test/test_re.py | |
| parent | a86df298df5b02e2d69ea6879e9ed10a7adb85d0 (diff) | |
| download | cpython-abd9cc52d94b8e2835322b62c29f09bb0e6fcfe9.zip cpython-abd9cc52d94b8e2835322b62c29f09bb0e6fcfe9.tar.gz cpython-abd9cc52d94b8e2835322b62c29f09bb0e6fcfe9.tar.bz2 | |
gh-100061: Proper fix of the bug in the matching of possessive quantifiers (GH-102612)
Restore the global Input Stream pointer after trying to match a sub-pattern.
Co-authored-by: Ma Lin <animalize@users.noreply.github.com>
Diffstat (limited to 'Lib/test/test_re.py')
| -rw-r--r-- | Lib/test/test_re.py | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py index bf3698a..042f97f 100644 --- a/Lib/test/test_re.py +++ b/Lib/test/test_re.py @@ -2342,7 +2342,17 @@ class ReTests(unittest.TestCase): self.assertTrue(re.fullmatch(r'(?s:(?>.*?\.).*)\Z', "a.txt")) # reproducer self.assertTrue(re.fullmatch(r'(?s:(?=(?P<g0>.*?\.))(?P=g0).*)\Z', "a.txt")) - def test_bug_gh106052(self): + def test_bug_gh100061(self): + # gh-100061 + self.assertEqual(re.match('(?>(?:.(?!D))+)', 'ABCDE').span(), (0, 2)) + self.assertEqual(re.match('(?:.(?!D))++', 'ABCDE').span(), (0, 2)) + self.assertEqual(re.match('(?>(?:.(?!D))*)', 'ABCDE').span(), (0, 2)) + self.assertEqual(re.match('(?:.(?!D))*+', 'ABCDE').span(), (0, 2)) + self.assertEqual(re.match('(?>(?:.(?!D))?)', 'CDE').span(), (0, 0)) + self.assertEqual(re.match('(?:.(?!D))?+', 'CDE').span(), (0, 0)) + self.assertEqual(re.match('(?>(?:.(?!D)){1,3})', 'ABCDE').span(), (0, 2)) + self.assertEqual(re.match('(?:.(?!D)){1,3}+', 'ABCDE').span(), (0, 2)) + # gh-106052 self.assertEqual(re.match("(?>(?:ab?c)+)", "aca").span(), (0, 2)) self.assertEqual(re.match("(?:ab?c)++", "aca").span(), (0, 2)) self.assertEqual(re.match("(?>(?:ab?c)*)", "aca").span(), (0, 2)) @@ -2451,7 +2461,6 @@ ATOMIC_GROUP 17: SUCCESS ''') - @unittest.expectedFailure # gh-106052 def test_possesive_repeat_one(self): self.assertEqual(get_debug_out(r'a?+'), '''\ POSSESSIVE_REPEAT 0 1 @@ -2464,7 +2473,6 @@ POSSESSIVE_REPEAT 0 1 12: SUCCESS ''') - @unittest.expectedFailure # gh-106052 def test_possesive_repeat(self): self.assertEqual(get_debug_out(r'(?:ab)?+'), '''\ POSSESSIVE_REPEAT 0 1 |