diff options
Diffstat (limited to 'Lib/test/test_re.py')
| -rw-r--r-- | Lib/test/test_re.py | 65 |
1 files changed, 45 insertions, 20 deletions
diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py index 60b816e..755cb00 100644 --- a/Lib/test/test_re.py +++ b/Lib/test/test_re.py @@ -83,23 +83,6 @@ class ReTests(unittest.TestCase): self.assertEqual(re.sub('\r\n', '\n', 'abc\r\ndef\r\n'), 'abc\ndef\n') - def test_bug_1140(self): - # re.sub(x, y, b'') should return b'', not '', and - # re.sub(x, y, '') should return '', not b''. - # Also: - # re.sub(x, y, str(x)) should return str(y), and - # re.sub(x, y, bytes(x)) should return - # str(y) if isinstance(y, str) else unicode(y). - for x in 'x', b'x': - for y in 'y', b'y': - z = re.sub(x, y, b'') - self.assertEqual(z, b'') - self.assertEqual(type(z), bytes) - # - z = re.sub(x, y, '') - self.assertEqual(z, '') - self.assertEqual(type(z), str) - def test_bug_1661(self): # Verify that flags do not get silently ignored with compiled patterns pattern = re.compile('.') @@ -327,7 +310,7 @@ class ReTests(unittest.TestCase): def test_getattr(self): self.assertEqual(re.compile("(?i)(a)(b)").pattern, "(?i)(a)(b)") - self.assertEqual(re.compile("(?i)(a)(b)").flags, re.I) + self.assertEqual(re.compile("(?i)(a)(b)").flags, re.I | re.U) self.assertEqual(re.compile("(?i)(a)(b)").groups, 2) self.assertEqual(re.compile("(?i)(a)(b)").groupindex, {}) self.assertEqual(re.compile("(?i)(?P<first>a)(?P<other>b)").groupindex, @@ -614,8 +597,8 @@ class ReTests(unittest.TestCase): import array for typecode in 'bBuhHiIlLfd': a = array.array(typecode) - self.assertEqual(re.compile("bla").match(a), None) - self.assertEqual(re.compile("").match(a).groups(), ()) + self.assertEqual(re.compile(b"bla").match(a), None) + self.assertEqual(re.compile(b"").match(a).groups(), ()) def test_inline_flags(self): # Bug #1700 @@ -658,6 +641,48 @@ class ReTests(unittest.TestCase): self.assertEqual(pattern.sub('#', 'a\nb\nc'), 'a#\nb#\nc#') self.assertEqual(pattern.sub('#', '\n'), '#\n#') + def test_bytes_str_mixing(self): + # Mixing str and bytes is disallowed + pat = re.compile('.') + bpat = re.compile(b'.') + self.assertRaises(TypeError, pat.match, b'b') + self.assertRaises(TypeError, bpat.match, 'b') + self.assertRaises(TypeError, pat.sub, b'b', 'c') + self.assertRaises(TypeError, pat.sub, 'b', b'c') + self.assertRaises(TypeError, pat.sub, b'b', b'c') + self.assertRaises(TypeError, bpat.sub, b'b', 'c') + self.assertRaises(TypeError, bpat.sub, 'b', b'c') + self.assertRaises(TypeError, bpat.sub, 'b', 'c') + + def test_ascii_and_unicode_flag(self): + # String patterns + for flags in (0, re.UNICODE): + pat = re.compile('\xc0', flags | re.IGNORECASE) + self.assertNotEqual(pat.match('\xe0'), None) + pat = re.compile('\w', flags) + self.assertNotEqual(pat.match('\xe0'), None) + pat = re.compile('\xc0', re.ASCII | re.IGNORECASE) + self.assertEqual(pat.match('\xe0'), None) + pat = re.compile('(?a)\xc0', re.IGNORECASE) + self.assertEqual(pat.match('\xe0'), None) + pat = re.compile('\w', re.ASCII) + self.assertEqual(pat.match('\xe0'), None) + pat = re.compile('(?a)\w') + self.assertEqual(pat.match('\xe0'), None) + # Bytes patterns + for flags in (0, re.ASCII): + pat = re.compile(b'\xc0', re.IGNORECASE) + self.assertEqual(pat.match(b'\xe0'), None) + pat = re.compile(b'\w') + self.assertEqual(pat.match(b'\xe0'), None) + # Incompatibilities + self.assertRaises(ValueError, re.compile, b'\w', re.UNICODE) + self.assertRaises(ValueError, re.compile, b'(?u)\w') + self.assertRaises(ValueError, re.compile, '\w', re.UNICODE | re.ASCII) + self.assertRaises(ValueError, re.compile, '(?u)\w', re.ASCII) + self.assertRaises(ValueError, re.compile, '(?a)\w', re.UNICODE) + self.assertRaises(ValueError, re.compile, '(?au)\w') + def run_re_tests(): from test.re_tests import benchmarks, tests, SUCCEED, FAIL, SYNTAX_ERROR |