commit 655720e2758a15c85effb340ff65f4b93e7cc7a7
author Serhiy Storchaka <storchaka@gmail.com> Mon Dec 15 14:02:43 2014 +0200
committer Serhiy Storchaka <storchaka@gmail.com> Mon Dec 15 14:02:43 2014 +0200
tree d582731bc3e14a86222093e806d2ec88b2640f8f
parent c3741a067b3443cdac7739b21e0cd1bacf155b02

Issue #22777: Test pickling with all protocols.

Lib/test/test_deque.py

diff --git a/Lib/test/test_deque.py b/Lib/test/test_deque.py
index 595a0c4..13ea02f 100644
--- a/Lib/test/test_deque.py
+++ b/Lib/test/test_deque.py
@@ -600,11 +600,12 @@
         self.assertEqual(type(d), type(e))
         self.assertEqual(list(d), list(e))
 
-        s = pickle.dumps(d)
-        e = pickle.loads(s)
-        self.assertNotEqual(id(d), id(e))
-        self.assertEqual(type(d), type(e))
-        self.assertEqual(list(d), list(e))
+        for proto in range(pickle.HIGHEST_PROTOCOL + 1):
+            s = pickle.dumps(d, proto)
+            e = pickle.loads(s)
+            self.assertNotEqual(id(d), id(e))
+            self.assertEqual(type(d), type(e))
+            self.assertEqual(list(d), list(e))
 
         d = Deque('abcde', maxlen=4)
 
@@ -616,11 +617,12 @@
         self.assertEqual(type(d), type(e))
         self.assertEqual(list(d), list(e))
 
-        s = pickle.dumps(d)
-        e = pickle.loads(s)
-        self.assertNotEqual(id(d), id(e))
-        self.assertEqual(type(d), type(e))
-        self.assertEqual(list(d), list(e))
+        for proto in range(pickle.HIGHEST_PROTOCOL + 1):
+            s = pickle.dumps(d, proto)
+            e = pickle.loads(s)
+            self.assertNotEqual(id(d), id(e))
+            self.assertEqual(type(d), type(e))
+            self.assertEqual(list(d), list(e))
 
 ##    def test_pickle(self):
 ##        d = Deque('abc')