pypy/module/cpyext/test/test_buffer.py::AppTestBuffer::()::test_AsWriteBuffer

self = <pypy.interpreter.typedef.W_ObjectObjectUserDictWeakrefable object at 0x0ed3a810>

    def test_AsWriteBuffer(self):
            import array
            module = self.import_extension('buffer', [
                ('write_buffer_len', 'METH_O',
                 """
                 void* buf;
                 Py_ssize_t buf_len;
                 if (PyObject_AsWriteBuffer(args, &buf, &buf_len) < 0) {
                    //PyErr_SetString(PyExc_ValueError, "bad value");
                    return NULL;
                 }
                 return PyLong_FromLong(buf_len);
                 """)])
>           assert module.write_buffer_len(bytearray(b'123')) == 3
E           (application-level) ValueError: __release_buffer__ called with a buffer not obtained from this object

[/buildbot/slave/own-linux-x86-32/build/pypy/module/cpyext/test/test_buffer.py:21]:14: ValueError
---------- Captured stdout call ----------
Error in cpyext, CPython compatibility layer:
The function cpyext_bf_releasebuffer_bytearray was not supposed to fail
Fatal error in cpyext, CPython compatibility layer, calling cpyext_bf_releasebuffer_bytearray
Either report a bug or consider not using this particular extension
---------- Captured stderr call ----------
<function PyModule_Create2 at 0x0dab6710>  DONE
<function cpyext_bf_getbuffer_bytearray at 0x0e44ab10>  DONE
<function cpyext_bf_releasebuffer_bytearray at 0x0e44ab90>Traceback (most recent call last):
  File "/buildbot/slave/own-linux-x86-32/build/pypy/module/cpyext/api.py", line 1164, in wrapper_second_level
    raise not_supposed_to_fail(pname)
  File "/buildbot/slave/own-linux-x86-32/build/pypy/module/cpyext/api.py", line 1018, in not_supposed_to_fail
    raise SystemError
SystemError
  File "/opt/pypy2.7-v7.3.22-linux32/lib_pypy/_ctypes/function.py", line 283, in f
    return to_call(*args)
  File "/buildbot/slave/own-linux-x86-32/build/rpython/rtyper/lltypesystem/ll2ctypes.py", line 895, in callback
    return callback_internal(*cargs)
  File "/buildbot/slave/own-linux-x86-32/build/rpython/rtyper/lltypesystem/ll2ctypes.py", line 872, in callback_internal
    llres = container._callable(*llargs)
  File "/buildbot/slave/own-linux-x86-32/build/pypy/module/cpyext/api.py", line 990, in wrapper
    return wrapper_second_level(callable, pname, *args)
  File "/buildbot/slave/own-linux-x86-32/build/pypy/module/cpyext/api.py", line 1186, in wrapper_second_level
    state.check_and_raise_exception(always=True)
  File "/buildbot/slave/own-linux-x86-32/build/pypy/module/cpyext/state.py", line 79, in check_and_raise_exception
    raise operror
 OpErrFmtNoArgs: [<W_TypeObject 'ValueError' at 0xc661690>: W_BaseExceptionUserWeakrefable([W_UnicodeObject('__release_buffer__ called with a buffer not obtained from this object')])]
<function PyLong_FromLong at 0x0dbf6e50>  DONE

builder: own-linux-x86-32 build #9492+

test: pypy/module/cpyext/test/test_buffer.py::AppTestBuffer::()::test_AsWriteBuffer