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Diffstat (limited to 'Lib/test/test_re.py')
| -rw-r--r-- | Lib/test/test_re.py | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py index 7ebbf05..fe71c84 100644 --- a/Lib/test/test_re.py +++ b/Lib/test/test_re.py @@ -1,5 +1,6 @@ from test.test_support import verbose, run_unittest, import_module from test.test_support import precisionbigmemtest, _2G, cpython_only +from test.test_support import captured_stdout import re from re import Scanner import sre_constants @@ -920,6 +921,19 @@ class ReTests(unittest.TestCase): self.assertEqual(m.group(1), "") self.assertEqual(m.group(2), "y") + def test_debug_flag(self): + with captured_stdout() as out: + re.compile('foo', re.DEBUG) + self.assertEqual(out.getvalue().splitlines(), + ['literal 102', 'literal 111', 'literal 111']) + # Debug output is output again even a second time (bypassing + # the cache -- issue #20426). + with captured_stdout() as out: + re.compile('foo', re.DEBUG) + self.assertEqual(out.getvalue().splitlines(), + ['literal 102', 'literal 111', 'literal 111']) + + def run_re_tests(): from test.re_tests import tests, SUCCEED, FAIL, SYNTAX_ERROR if verbose: |