}

    @Nested
    @DisplayName("Message Encoding Tests")
    class MessageEncodingTests {

        @Test
        @DisplayName("encode should handle REQUEST ptype correctly")
        void testEncodeRequestPtype() throws NdrException {
            message.ptype = DcerpcConstants.RPC_PT_REQUEST; // 0
            message.call_id = 1;
            message.opnumValue = 5;