Merged revisions 81525 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

........
  r81525 | mark.dickinson | 2010-05-25 20:01:08 +0100 (Tue, 25 May 2010) | 3 lines

  Issue #8816: Extra tests for some built-in functions.  These tests are
  ports of IronPython tests.  Thanks Gregory Nofi.
........

1 files changed, 12 insertions, 0 deletions

diff --git a/Lib/test/test_enumerate.py b/Lib/test/test_enumerate.py
index 315069c4..b8b9719 100644
--- a/Lib/test/test_enumerate.py
+++ b/Lib/test/test_enumerate.py
@@ -198,6 +198,18 @@ class TestReversed(unittest.TestCase):
                 self.fail("non-callable __reversed__ didn't raise!")
         self.assertEqual(rc, sys.getrefcount(r))
 
+    def test_objmethods(self):
+        # Objects must have __len__() and __getitem__() implemented.
+        class NoLen(object):
+            def __getitem__(self): return 1
+        nl = NoLen()
+        self.assertRaises(TypeError, reversed, nl)
+
+        class NoGetItem(object):
+            def __len__(self): return 2
+        ngi = NoGetItem()
+        self.assertRaises(TypeError, reversed, ngi)
+
 
 class EnumerateStartTestCase(EnumerateTestCase):