diff options
Diffstat (limited to 'Lib')
-rw-r--r-- | Lib/test/test_memoryview.py | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Lib/test/test_memoryview.py b/Lib/test/test_memoryview.py index e7df8a7..bd9d0d4 100644 --- a/Lib/test/test_memoryview.py +++ b/Lib/test/test_memoryview.py @@ -360,6 +360,25 @@ class AbstractMemoryTests: self.assertEqual(list(reversed(m)), aslist) self.assertEqual(list(reversed(m)), list(m[::-1])) + def test_issue22668(self): + m = memoryview(bytes(range(8))) + b = m.cast('H') + c = b[0:2] + d = memoryview(b) + + del b + + self.assertEqual(c[0], 256) + self.assertEqual(d[0], 256) + self.assertEqual(c.format, "H") + self.assertEqual(d.format, "H") + + _ = m.cast('I') + self.assertEqual(c[0], 256) + self.assertEqual(d[0], 256) + self.assertEqual(c.format, "H") + self.assertEqual(d.format, "H") + # Variations on source objects for the buffer: bytes-like objects, then arrays # with itemsize > 1. |