Issue #22423: Fixed debugging output of the GROUPREF_EXISTS opcode in the re
module.
diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py
index 88eafc9..7bdf353 100644
--- a/Lib/test/test_re.py
+++ b/Lib/test/test_re.py
@@ -930,16 +930,33 @@
self.assertEqual(m.group(2), "y")
def test_debug_flag(self):
+ pat = r'(\.)(?:[ch]|py)(?(1)$|: )'
with captured_stdout() as out:
- re.compile('foo', re.DEBUG)
- self.assertEqual(out.getvalue().splitlines(),
- ['literal 102', 'literal 111', 'literal 111'])
+ re.compile(pat, re.DEBUG)
+ dump = '''\
+subpattern 1
+ literal 46
+subpattern None
+ branch
+ in
+ literal 99
+ literal 104
+ or
+ literal 112
+ literal 121
+subpattern None
+ groupref_exists 1
+ at at_end
+ else
+ literal 58
+ literal 32
+'''
+ self.assertEqual(out.getvalue(), dump)
# 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'])
+ re.compile(pat, re.DEBUG)
+ self.assertEqual(out.getvalue(), dump)
def test_keyword_parameters(self):
# Issue #20283: Accepting the string keyword parameter.