def test_parse_message(self):
     actual = SMB2ChangeNotifyResponse()
     assert actual.unpack(self.DATA) == b""
     assert len(actual) == 12
     assert actual['structure_size'].get_value() == 9
     assert actual['output_buffer_offset'].get_value() == 72
     assert actual['output_buffer_length'].get_value() == 4
     assert actual['buffer'].get_value() == b"\x01\x02\x03\x04"
 def test_create_message(self):
     message = SMB2ChangeNotifyResponse()
     message['buffer'] = b"\x01\x02\x03\x04"
     actual = message.pack()
     assert len(message) == 12
     assert actual == self.DATA