@Test public void RequestMessageTest()
    {
        final TTKProtocol.MessageID message_id = TTKProtocol.MessageID.kMessageSRV;
        final int ttk_version = 2;
        final String ecr_number = "1";
        final int ern = 1;
        final String language = "ru";
        final byte[] transaction_mode  = new byte[]{(byte)0xC0};
        final TTKProtocol.ServiceFunction service_func = TTKProtocol.ServiceFunction.kFunctionMenu;

        TTKTransactionMessage msg = (TTKTransactionMessage)TTKMessage.createMessage(message_id);
        msg.setTTKVersion(ttk_version);
        msg.setECRNumber(ecr_number);
        msg.setERN(ern);
        msg.setInterfaceLanguage(language);
        msg.setSrvSubFunction(service_func);
        msg.setTransactionMode(transaction_mode);

        final TTKTransactionMessage parsed_msg = (TTKTransactionMessage)TTKMessage.parseMessage(msg.buildPacket());

        assertNotNull(parsed_msg);
        assertEquals(message_id, parsed_msg.getMessageID());
        assertEquals(ttk_version, (int)parsed_msg.getTTKVersion());
        assertEquals(ecr_number, parsed_msg.getECRNumber());
        assertEquals(ern, (int)parsed_msg.getERN());
        assertEquals(language, parsed_msg.getInterfaceLanguage());
        assertEquals(service_func, parsed_msg.getSrvSubFunction());
        assertArrayEquals(transaction_mode, parsed_msg.getTransactionMode());
    }