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Diffstat (limited to 'Lib/test/test_itertools.py')
-rw-r--r-- | Lib/test/test_itertools.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Lib/test/test_itertools.py b/Lib/test/test_itertools.py index 8f8fc73..8e1118a 100644 --- a/Lib/test/test_itertools.py +++ b/Lib/test/test_itertools.py @@ -61,6 +61,10 @@ class TestBasicOps(unittest.TestCase): self.assertEqual(repr(c), 'count(3)') c.next() self.assertEqual(repr(c), 'count(4)') + c = count(-9) + self.assertEqual(repr(c), 'count(-9)') + c.next() + self.assertEqual(c.next(), -8) def test_cycle(self): self.assertEqual(take(10, cycle('abc')), list('abcabcabca')) @@ -375,6 +379,7 @@ class TestBasicOps(unittest.TestCase): # test values of n self.assertRaises(TypeError, tee, 'abc', 'invalid') + self.assertRaises(ValueError, tee, [], -1) for n in xrange(5): result = tee('abc', n) self.assertEqual(type(result), tuple) |