From b85a97600a45bf235fd8b541ebab358f6a8aa5dd Mon Sep 17 00:00:00 2001
From: Serhiy Storchaka <storchaka@gmail.com>
Date: Mon, 15 Sep 2014 11:33:19 +0300
Subject: Restored re pickling test.

---
 Lib/test/test_re.py | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py
index c650f7a..011fba9 100644
--- a/Lib/test/test_re.py
+++ b/Lib/test/test_re.py
@@ -659,11 +659,15 @@ class ReTests(unittest.TestCase):
         res = re.findall(re.escape('\u2620'.encode('utf-8')), b)
         self.assertEqual(len(res), 2)
 
-    def pickle_test(self, pickle):
-        oldpat = re.compile('a(?:b|(c|e){1,2}?|d)+?(.)')
-        s = pickle.dumps(oldpat)
-        newpat = pickle.loads(s)
-        self.assertEqual(oldpat, newpat)
+    def test_pickling(self):
+        import pickle
+        oldpat = re.compile('a(?:b|(c|e){1,2}?|d)+?(.)', re.UNICODE)
+        for proto in range(pickle.HIGHEST_PROTOCOL + 1):
+            pickled = pickle.dumps(oldpat, proto)
+            newpat = pickle.loads(pickled)
+            self.assertEqual(newpat, oldpat)
+        # current pickle expects the _compile() reconstructor in re module
+        from re import _compile
 
     def test_constants(self):
         self.assertEqual(re.I, re.IGNORECASE)
-- 
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