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check for overflow in combinations_with_replacement (closes #23365)

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Benjamin Peterson 2015-02-01 21:10:47 -05:00
parent 4b40eeb339
commit 6f082297b2
3 changed files with 12 additions and 1 deletions
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6
Lib/test/test_itertools.py
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@ -344,8 +344,12 @@ class TestBasicOps(unittest.TestCase):
self.pickletest(cwr(values,r)) # test pickling
# Test implementation detail: tuple re-use
@support.bigaddrspacetest
def test_combinations_with_replacement_overflow(self):
with self.assertRaises(OverflowError):
combinations_with_replacement("AA", 2**30)
# Test implementation detail: tuple re-use
@support.impl_detail("tuple reuse is specific to CPython")
def test_combinations_with_replacement_tuple_reuse(self):
cwr = combinations_with_replacement