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Diffstat (limited to 'Lib/test/test_array.py')
| -rwxr-xr-x | Lib/test/test_array.py | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Lib/test/test_array.py b/Lib/test/test_array.py index 7ae34a99a9..eb1fffb7dd 100755 --- a/Lib/test/test_array.py +++ b/Lib/test/test_array.py @@ -749,9 +749,25 @@ class BaseTest(unittest.TestCase): ArraySubclassWithKwargs('b', newarg=1) def test_create_from_bytes(self): + # XXX This test probably needs to be moved in a subclass or + # generalized to use self.typecode. a = array.array('H', b"1234") self.assertEqual(len(a) * a.itemsize, 4) + def test_memoryview_no_resize(self): + # Test for issue 4509. + a = array.array(self.typecode, self.example) + m = memoryview(a) + expected = m.tobytes() + self.assertRaises(BufferError, a.pop, 0) + self.assertEqual(m.tobytes(), expected) + self.assertRaises(BufferError, a.remove, a[0]) + self.assertEqual(m.tobytes(), expected) + self.assertRaises(BufferError, a.__setitem__, slice(0, 0), a) + self.assertEqual(m.tobytes(), expected) + self.assertRaises(BufferError, a.__delitem__, slice(0, len(a))) + self.assertEqual(m.tobytes(), expected) + class StringTest(BaseTest): |