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-rw-r--r--Lib/test/test_itertools.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/Lib/test/test_itertools.py b/Lib/test/test_itertools.py
index 6898725..2baa507 100644
--- a/Lib/test/test_itertools.py
+++ b/Lib/test/test_itertools.py
@@ -58,6 +58,10 @@ 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'))