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test for reference counting

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This commit is contained in:
homm 2016-07-04 13:42:45 +03:00
parent cedaaad1cf
commit af75f7ab40
1 changed files with 11 additions and 0 deletions
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Tests/test_image_access.py
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@ -221,6 +221,17 @@ class TestCffi(AccessTest):
# im = Image.new('I;32B', (10, 10), 2**10) # im = Image.new('I;32B', (10, 10), 2**10)
# self._test_set_access(im, 2**13-1) # self._test_set_access(im, 2**13-1)
# ref https://github.com/python-pillow/Pillow/pull/2009
def test_reference_counting(self):
size = 10
for _ in range(10):
# Do not save references to the image, only to the access object
px = Image.new('L', (size, 1), 0).load()
for i in range(size):
# pixels can contain garbarge if image is released
self.assertEqual(px[i, 0], 0)
if __name__ == '__main__': if __name__ == '__main__':
unittest.main() unittest.main()