[pypy-commit] pypy default: add failing ctypes test that causes socket.sendall() failure

[mattip]

Author: Matti Picus <matti.picus at gmail.com>
Branch: 
Changeset: r97181:9920d591bb29
Date: 2019-08-14 19:39 +0300
http://bitbucket.org/pypy/pypy/changeset/9920d591bb29/

Log:	add failing ctypes test that causes socket.sendall() failure

diff --git a/extra_tests/ctypes_tests/test_cast.py b/extra_tests/ctypes_tests/test_cast.py
--- a/extra_tests/ctypes_tests/test_cast.py
+++ b/extra_tests/ctypes_tests/test_cast.py
@@ -28,3 +28,11 @@
     assert x.value is False
     x = c_bool(['yadda'])
     assert x.value is True
+
+def test_cast_array():
+    data = b'data'
+    ubyte = c_ubyte * len(data)
+    byteslike = ubyte.from_buffer_copy(data)
+    m = memoryview(byteslike)
+    b = m.cast('B')
+    assert bytes(b) == data