commit 14a0e16c8805f7ba7c98132ead815dcfdf0e9d33
author Serhiy Storchaka <storchaka@gmail.com> Fri May 31 10:39:47 2019 +0300
committer GitHub <noreply@github.com> Fri May 31 10:39:47 2019 +0300
tree 61218c9101386ee2ce9eaab2a226be191e5950b6
parent 65fb2c08c0d66fcf96fb1eb06270feadec830866

bpo-36548: Improve the repr of re flags. (GH-12715)

Lib/test/test_re.py

diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py
index 137c31d..4817d76 100644
--- a/Lib/test/test_re.py
+++ b/Lib/test/test_re.py
@@ -2170,6 +2170,18 @@
         self.assertEqual(r[:30], "re.compile('Very long long lon")
         self.assertEqual(r[-16:], ", re.IGNORECASE)")
 
+    def test_flags_repr(self):
+        self.assertEqual(repr(re.I), "re.IGNORECASE")
+        self.assertEqual(repr(re.I|re.S|re.X),
+                         "re.IGNORECASE|re.DOTALL|re.VERBOSE")
+        self.assertEqual(repr(re.I|re.S|re.X|(1<<20)),
+                         "re.IGNORECASE|re.DOTALL|re.VERBOSE|0x100000")
+        self.assertEqual(repr(~re.I), "~re.IGNORECASE")
+        self.assertEqual(repr(~(re.I|re.S|re.X)),
+                         "~(re.IGNORECASE|re.DOTALL|re.VERBOSE)")
+        self.assertEqual(repr(~(re.I|re.S|re.X|(1<<20))),
+                         "~(re.IGNORECASE|re.DOTALL|re.VERBOSE|0x100000)")
+
 
 class ImplementationTest(unittest.TestCase):
     """