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Diffstat (limited to 'Lib/test/test_buffer.py')
| -rw-r--r-- | Lib/test/test_buffer.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/Lib/test/test_buffer.py b/Lib/test/test_buffer.py index 0976fa9..d921a5a 100644 --- a/Lib/test/test_buffer.py +++ b/Lib/test/test_buffer.py @@ -2462,6 +2462,21 @@ class TestBufferProtocol(unittest.TestCase): self.assertEqual(m.tobytes(), b'') self.assertEqual(m.tolist(), []) + check_sizeof = support.check_sizeof + + def test_memoryview_sizeof(self): + check = self.check_sizeof + vsize = support.calcvobjsize + base_struct = 'Pnin 2P2n2i5P P' + per_dim = '3n' + + items = list(range(8)) + check(memoryview(b''), vsize(base_struct + 1 * per_dim)) + a = ndarray(items, shape=[2, 4], format="b") + check(memoryview(a), vsize(base_struct + 2 * per_dim)) + a = ndarray(items, shape=[2, 2, 2], format="b") + check(memoryview(a), vsize(base_struct + 3 * per_dim)) + def test_memoryview_struct_module(self): class INT(object): |