Make reversed() transparent with respect to length.
diff --git a/Lib/test/test_enumerate.py b/Lib/test/test_enumerate.py
index ab1a60d..00ecbcc 100644
--- a/Lib/test/test_enumerate.py
+++ b/Lib/test/test_enumerate.py
@@ -145,6 +145,10 @@
s = 'hello'
self.assertEqual(list(reversed(reversed(s))), list(s))
+ def test_len(self):
+ s = 'hello'
+ self.assertEqual(len(reversed(s)), len(s))
+
def test_main(verbose=None):
testclasses = (EnumerateTestCase, SubclassTestCase, TestEmpty, TestBig,
TestReversed)