commit fdb32c15e4c5ab924b7f547c803befa58c2a490f
author Alexander Belopolsky <alexander.belopolsky@gmail.com> Tue Nov 30 01:01:02 2010 +0000
committer Alexander Belopolsky <alexander.belopolsky@gmail.com> Tue Nov 30 01:01:02 2010 +0000
tree 79055ed660d05d55ef2ed8ea956118b111980bd4
parent 34cc20255955151d35cef512bd29a818804e115b

Merged revisions 86857 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r86857 | raymond.hettinger | 2010-11-28 22:56:12 -0500 (Sun, 28 Nov 2010) | 1 line

  Issue #10565:  Iterator ABC should require both __next__ and __iter__.
........

Lib/test/test_collections.py

diff --git a/Lib/test/test_collections.py b/Lib/test/test_collections.py
index dc61fa4..988db92 100644
--- a/Lib/test/test_collections.py
+++ b/Lib/test/test_collections.py
@@ -328,7 +328,14 @@
         for x in samples:
             self.assertTrue(isinstance(x, Iterator), repr(x))
             self.assertTrue(issubclass(type(x), Iterator), repr(type(x)))
-        self.validate_abstract_methods(Iterator, '__next__')
+        self.validate_abstract_methods(Iterator, '__next__', '__iter__')
+
+        # Issue 10565
+        class NextOnly:
+            def __next__(self):
+                yield 1
+                raise StopIteration
+        self.assertFalse(isinstance(NextOnly(), Iterator))
 
     def test_Sized(self):
         non_samples = [None, 42, 3.14, 1j,