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Do not let overflows in enumerate() and count() pass silently.

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This commit is contained in:
Raymond Hettinger 2007-02-08 00:07:32 +00:00
parent de33c62466
commit 6d121f168c
3 changed files with 12 additions and 2 deletions
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3
Lib/test/test_itertools.py
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@ -52,8 +52,7 @@ class TestBasicOps(unittest.TestCase):
self.assertEqual(take(2, zip('abc',count(3))), [('a', 3), ('b', 4)])
self.assertRaises(TypeError, count, 2, 3)
self.assertRaises(TypeError, count, 'a')
c = count(sys.maxint-2) # verify that rollover doesn't crash
c.next(); c.next(); c.next(); c.next(); c.next()
self.assertRaises(OverflowError, list, islice(count(sys.maxint-5), 10))
c = count(3)
self.assertEqual(repr(c), 'count(3)')
c.next()