def METHOD_NAME(self):
    func = testdll._testfunc_ai8
    func.restype = POINTER(c_int)
    func.argtypes = c_int * 8,
    func((c_int * 8)(1, 2, 3, 4, 5, 6, 7, 8))
    # This did crash before:
    def func(): pass
    CFUNCTYPE(None, c_int * 3)(func)