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-rw-r--r--Lib/test/test_deque.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/Lib/test/test_deque.py b/Lib/test/test_deque.py
index 5ecbc73..e336e5a 100644
--- a/Lib/test/test_deque.py
+++ b/Lib/test/test_deque.py
@@ -508,6 +508,11 @@ class TestBasic(unittest.TestCase):
for s in ('abcd', range(2000)):
self.assertEqual(list(reversed(deque(s))), list(reversed(s)))
+ def test_reversed_new(self):
+ klass = type(reversed(deque()))
+ for s in ('abcd', range(2000)):
+ self.assertEqual(list(klass(deque(s))), list(reversed(s)))
+
def test_gc_doesnt_blowup(self):
import gc
# This used to assert-fail in deque_traverse() under a debug