1 files changed, 14 insertions, 1 deletions
diff --git a/Lib/test/test_deque.py b/Lib/test/test_deque.py
index f0afe1d..a8487d2 100644
--- a/Lib/test/test_deque.py
+++ b/Lib/test/test_deque.py
@@ -472,6 +472,19 @@ class TestBasic(unittest.TestCase):
 ##            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])
@@ -524,7 +537,7 @@ class TestBasic(unittest.TestCase):
     @support.cpython_only
     def test_sizeof(self):
         BLOCKLEN = 62
-        basesize = support.calcobjsize('2P4PlP')
+        basesize = support.calcobjsize('2P4nlP')
         blocksize = struct.calcsize('2P%dP' % BLOCKLEN)
         self.assertEqual(object.__sizeof__(deque()), basesize)
         check = self.check_sizeof