Give itertools.repeat() a length method.
diff --git a/Lib/test/test_itertools.py b/Lib/test/test_itertools.py
index fe49f75..73e8809 100644
--- a/Lib/test/test_itertools.py
+++ b/Lib/test/test_itertools.py
@@ -607,6 +607,12 @@
self.assertRaises(TypeError, list, tee(N(s))[0])
self.assertRaises(ZeroDivisionError, list, tee(E(s))[0])
+class LengthTransparency(unittest.TestCase):
+
+ def test_repeat(self):
+ self.assertEqual(len(repeat(None, 50)), 50)
+ self.assertRaises(TypeError, len, repeat(None))
+
class RegressionTests(unittest.TestCase):
def test_sf_793826(self):
@@ -826,7 +832,7 @@
def test_main(verbose=None):
test_classes = (TestBasicOps, TestVariousIteratorArgs, TestGC,
- RegressionTests)
+ RegressionTests, LengthTransparency)
test_support.run_unittest(*test_classes)
# verify reference counting