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Merged revisions 86857 via svnmerge from

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  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__.
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This commit is contained in:
Alexander Belopolsky 2010-11-30 01:18:17 +00:00
parent 30ec1154ac
commit 1fea5c4472
3 changed files with 17 additions and 3 deletions
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15
Lib/test/test_collections.py
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@ -355,8 +355,19 @@ class TestOneTrickPonyABCs(ABCTestCase):
for x in samples:
self.assertIsInstance(x, Iterator)
self.assertTrue(issubclass(type(x), Iterator), repr(type(x)))
self.validate_abstract_methods(Iterator, 'next')
self.validate_isinstance(Iterator, 'next')
self.validate_abstract_methods(Iterator, 'next', '__iter__')
# Issue 10565
class NextOnly:
def __next__(self):
yield 1
raise StopIteration
self.assertNotIsInstance(NextOnly(), Iterator)
class NextOnlyNew(object):
def __next__(self):
yield 1
raise StopIteration
self.assertNotIsInstance(NextOnlyNew(), Iterator)
def test_Sized(self):
non_samples = [None, 42, 3.14, 1j,