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SF patch #1171417: bug fix for islice() in docs

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This commit is contained in:
Raymond Hettinger 2005-03-27 20:11:44 +00:00
parent 267b868f23
commit fdf3bd6630
2 changed files with 12 additions and 9 deletions
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5
Lib/test/test_itertools.py
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@ -265,6 +265,11 @@ class TestBasicOps(unittest.TestCase):
self.assertEqual(list(islice(xrange(10), 2, None)), range(2, 10))
self.assertEqual(list(islice(xrange(10), 1, None, 2)), range(1, 10, 2))
# Test number of items consumed SF #1171417
it = iter(range(10))
self.assertEqual(list(islice(it, 3)), range(3))
self.assertEqual(list(it), range(3, 10))
# Test invalid arguments
self.assertRaises(TypeError, islice, xrange(10))
self.assertRaises(TypeError, islice, xrange(10), 1, 2, 3, 4)