commit 31668b8f7a3efc7b17511bb08525b28e8ff5f23a
author Kristján Valur Jónsson <kristjan@ccpgames.com> Tue Apr 03 10:49:41 2012 +0000
committer Kristján Valur Jónsson <kristjan@ccpgames.com> Tue Apr 03 10:49:41 2012 +0000
tree acc8d778b0135e0f345e94c3334d7c1eeb1dca0a
parent 283b96b6bd974179b7f7f93f1c4631c3cc20c96d

Issue #14288: Serialization support for builtin iterators.

Lib/test/test_deque.py

diff --git a/Lib/test/test_deque.py b/Lib/test/test_deque.py
index 0dcadeb..24125cd 100644
--- a/Lib/test/test_deque.py
+++ b/Lib/test/test_deque.py
@@ -471,6 +471,19 @@
 ##            self.assertNotEqual(id(d), id(e))
 ##            self.assertEqual(id(e), id(e[-1]))
 
+    def test_iterator_pickle(self):
+        data = deque(range(200))
+        it = itorg = iter(data)
+        d = pickle.dumps(it)
+        it = pickle.loads(d)
+        self.assertEqual(type(itorg), type(it))
+        self.assertEqual(list(it), list(data))
+
+        it = pickle.loads(d)
+        next(it)
+        d = pickle.dumps(it)
+        self.assertEqual(list(it), list(data)[1:])
+
     def test_deepcopy(self):
         mut = [10]
         d = deque([mut])