# This test
    def test___buffer__(self):
        import sys
        if '__pypy__' not in sys.builtin_module_names:
            skip('pypy only test')
        module = self.import_module(name='array')
        a = module.array('i', [1, 2, 3])
        v = map(ord, a.__buffer__())
        assert v == [1, 0, 0, 0, 2, 0, 0, 0, 3, 0, 0, 0]

# has this in stderr

<function _Py_InitPyPyModule at 0x7f603b4dd320>  DONE
<function PyType_Ready at 0x7f603b3d4a28>  DONE
<function PyType_Ready at 0x7f603b3d4a28>  DONE
<function PyModule_Check at 0x7f603b4dd578>  DONE
<function PyModule_GetDict at 0x7f603b4dd6e0>  DONE
<function PyDict_GetItemString at 0x7f603b38b938>  DONE
<function PyDict_SetItemString at 0x7f603b38b758>  DONE
<function PyModule_Check at 0x7f603b4dd578>  DONE
<function PyModule_GetDict at 0x7f603b4dd6e0>  DONE
<function PyDict_GetItemString at 0x7f603b38b938>  DONE
<function PyDict_SetItemString at 0x7f603b38b758>  DONE
<function PyModule_Check at 0x7f603b4dd578>  DONE
<function PyModule_GetDict at 0x7f603b4dd6e0>  DONE
<function PyDict_GetItemString at 0x7f603b38b938>  DONE
<function PyDict_SetItemString at 0x7f603b38b758>  DONE
<function tp_new_wrapper at 0x7f603b3d1140> <function PyTuple_Check at 0x7f603b3e3b90>  DONE
<function PyString_Check at 0x7f603b421140>  DONE
<function PyString_Size at 0x7f603b424230>  DONE
<function PyString_AS_STRING at 0x7f603b421e60>  DONE
<function PyList_Check at 0x7f603b3958c0>  DONE
<function PyList_Check at 0x7f603b3958c0>  DONE
<function PySequence_Size at 0x7f603b3a7f50>  DONE
<function PyType_GenericAlloc at 0x7f603b3d9140>  DONE
<function PySequence_GetItem at 0x7f603b33c320>  DONE
<function PyFloat_Check at 0x7f603b8269b0>  DONE
<function PyInt_AsLong at 0x7f603b297c80>  DONE
<function PySequence_GetItem at 0x7f603b33c320>  DONE
<function PyFloat_Check at 0x7f603b8269b0>  DONE
<function PyInt_AsLong at 0x7f603b297c80>  DONE
<function PySequence_GetItem at 0x7f603b33c320>  DONE
<function PyFloat_Check at 0x7f603b8269b0>  DONE
<function PyInt_AsLong at 0x7f603b297c80>  DONE
 DONE
<function PyObject_GenericGetAttr at 0x7f603b2a7410>  DONE
<function PyBuffer_FillInfo at 0x7f603b347c80>  DONE
Exception Exception: Exception('invalid free() - data already freed or not allocated from RPython at all',) in <function callback at 0x7f6038654b18> ignored
Fdealloc_trigger...
deallocating PyObject * <C object Struct PyObject { c_ob_refcnt, c_ob_pypy_link, c_ob_type } at 0x2276f60>
<function tuple_dealloc at 0x7f603b3ed0c8> <function PyObject_Free at 0x7f603b31eb18>  DONE
 DONE
deallocating PyObject * <C object Struct PyObject { c_ob_refcnt, c_ob_pypy_link, c_ob_type } at 0x235f490>
<function dict_dealloc at 0x7f603b389a28> <function PyObject_Free at 0x7f603b31eb18>  DONE
 DONE
deallocating PyObject * <C object Struct PyObject { c_ob_refcnt, c_ob_pypy_link, c_ob_type } at 0x2361460>
<function tuple_dealloc at 0x7f603b3ed0c8> <function PyObject_Free at 0x7f603b31eb18>  DONE
 DONE
deallocating PyObject * <C object Struct PyObject { c_ob_refcnt, c_ob_pypy_link, c_ob_type } at 0x2369730>
<function subtype_dealloc at 0x7f603b3d1848> <function PyObject_dealloc at 0x7f603b320230> <function PyObject_Free at 0x7f603b31eb18>  DONE
 DONE
 DONE
deallocating PyObject * <C object Struct PyObject { c_ob_refcnt, c_ob_pypy_link, c_ob_type } at 0x236abd0>
<function subtype_dealloc at 0x7f603b3d1848> <function PyObject_dealloc at 0x7f603b320230> <function PyObject_Free at 0x7f603b31eb18>  DONE
 DONE
 DONE
deallocating PyObject * <C object Struct PyObject { c_ob_refcnt, c_ob_pypy_link, c_ob_type } at 0x236c3b0>
<function subtype_dealloc at 0x7f603b3d1848> <function PyObject_dealloc at 0x7f603b320230> <function PyObject_Free at 0x7f603b31eb18>  DONE
 DONE
 DONE
deallocating PyObject * <C object Struct PyObject { c_ob_refcnt, c_ob_pypy_link, c_ob_type } at 0x23994b0>
<function subtype_dealloc at 0x7f603b3d1848> <function PyObject_dealloc at 0x7f603b320230> <function PyObject_Free at 0x7f603b31eb18>  DONE
 DONE
 DONE
dealloc_trigger DONE
dealloc_trigger...
deallocating PyObject * <C object Struct PyObject { c_ob_refcnt, c_ob_pypy_link, c_ob_type } at 0x235f470>
<function subtype_dealloc at 0x7f603b3d1848> <function PyObject_dealloc at 0x7f603b320230> <function PyObject_Free at 0x7f603b31eb18>  DONE
 DONE
 DONE
dealloc_trigger DONE