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Issue #11675: Zero-out newly-created multiprocessing.[Raw]Array objects.

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Mark Dickinson 2011-03-26 10:19:03 +00:00
parent 211643b673
commit 89461ef8fc
3 changed files with 22 additions and 1 deletions
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15
Lib/test/test_multiprocessing.py
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@ -913,6 +913,21 @@ class _TestArray(BaseTestCase):
self.assertEqual(list(arr[:]), seq)
@unittest.skipIf(c_int is None, "requires _ctypes")
def test_array_from_size(self):
size = 10
# Test for zeroing (see issue #11675).
# The repetition below strengthens the test by increasing the chances
# of previously allocated non-zero memory being used for the new array
# on the 2nd and 3rd loops.
for _ in range(3):
arr = self.Array('i', size)
self.assertEqual(len(arr), size)
self.assertEqual(list(arr), [0] * size)
arr[:] = range(10)
self.assertEqual(list(arr), list(range(10)))
del arr
@unittest.skipIf(c_int is None, "requires _ctypes")
def test_rawarray(self):
self.test_array(raw=True)