Issue #19145: Fix handling of negative values for a "times" keyword argument to itertools.repeat()>
(Patch contributed by Vajrasky Kok.)
diff --git a/Lib/test/test_itertools.py b/Lib/test/test_itertools.py
index 291aeb0..1bf6c53 100644
--- a/Lib/test/test_itertools.py
+++ b/Lib/test/test_itertools.py
@@ -698,6 +698,9 @@
def test_repeat(self):
self.assertEqual(list(repeat(object='a', times=3)), ['a', 'a', 'a'])
+ self.assertEqual(list(repeat(object='a', times=0)), [])
+ self.assertEqual(list(repeat(object='a', times=-1)), [])
+ self.assertEqual(list(repeat(object='a', times=-2)), [])
self.assertEqual(zip(xrange(3),repeat('a')),
[(0, 'a'), (1, 'a'), (2, 'a')])
self.assertEqual(list(repeat('a', 3)), ['a', 'a', 'a'])
@@ -714,6 +717,12 @@
list(r)
self.assertEqual(repr(r), 'repeat((1+0j), 0)')
+ def test_repeat_with_negative_times(self):
+ self.assertEqual(repr(repeat('a', -1)), "repeat('a', 0)")
+ self.assertEqual(repr(repeat('a', -2)), "repeat('a', 0)")
+ self.assertEqual(repr(repeat('a', times=-1)), "repeat('a', 0)")
+ self.assertEqual(repr(repeat('a', times=-2)), "repeat('a', 0)")
+
def test_imap(self):
self.assertEqual(list(imap(operator.pow, range(3), range(1,7))),
[0**1, 1**2, 2**3])