@Test
public void testDecodeWriteMultipleRegistersRequest() {

    ModbusRequestEncoder encoder = new ModbusRequestEncoder();
    WriteMultipleRegistersRequest request = new WriteMultipleRegistersRequest(
        0,
        64,
        new byte[128]
    );
    ByteBuf encoded = encoder.encode(request, Unpooled.buffer());
    ModbusRequestDecoder decoder = new ModbusRequestDecoder();
    WriteMultipleRegistersRequest decoded = (WriteMultipleRegistersRequest) decoder.decode(encoded);
    assertNotNull(decoded);
    assertEquals(decoded.getAddress(), 0);
    assertEquals(decoded.getQuantity(), 64);
    assertEquals(decoded.getValues().readableBytes(), 128);
}