diff -r 438cdc97d8ee Lib/test/test_frame.py
--- a/Lib/test/test_frame.py	Mon Aug 05 23:35:43 2013 +0200
+++ b/Lib/test/test_frame.py	Tue Aug 06 12:58:31 2013 +0800
@@ -90,6 +90,9 @@
         gen = g()
         f = next(gen)
         self.assertFalse(endly)
+        # Clearing the frame closes the generator
+        f.clear()
+        self.assertTrue(endly)
 
     @support.cpython_only
     def test_clear_refcycles(self):