message.encode_in(mockNdrBuffer);

            // Then: Should encode all parameters
            verify(mockNdrBuffer).enc_ndr_referent("system", 1);
            verify(mockNdrBuffer).enc_ndr_string("system");
            verify(mockNdrBuffer).enc_ndr_long(123);
        }

        @Test
        @DisplayName("Should encode input with null system name")

            message.encode_in(mockNdrBuffer);

            // Then: Should encode all parameters
            verify(mockNdrBuffer).enc_ndr_referent("system", 1);
            verify(mockNdrBuffer).enc_ndr_string("system");
            verify(mockNdrBuffer).enc_ndr_long(123);
        }

        @Test
        @DisplayName("Should encode input with null system name")

        return val;
    }

    /* float */
    /* double */
    /**
     * Encodes a string in NDR format.
     *
     * @param s the string to encode
     */
    public void enc_ndr_string(final String s) {
        align(4);
        int i = index;
        final int len = s.length();
        Encdec.enc_uint32le(len + 1, buf, i);
        i += 4;
        Encdec.enc_uint32le(0, buf, i);

        return val;
    }

    /* float */
    /* double */
    /**
     * Encodes a string in NDR format.
     *
     * @param s the string to encode
     */
    public void enc_ndr_string(final String s) {
        align(4);
        int i = this.index;
        final int len = s.length();
        Encdec.enc_uint32le(len + 1, this.buf, i);
        i += 4;
        Encdec.enc_uint32le(0, this.buf, i);

        // Note: getDeferred() method does not exist in NdrBuffer
        public NdrBuffer getDeferred() {
            return this; // For simplicity, return self
        }

        @Override
        public void enc_ndr_string(String s) {
            // Simulate encoding a string
            offset += (s.length() * 2) + 4; // Length + null terminator + actual string
        }
    }

    // Test for LsarQosInfo
    @Test

                _dst = _dst.deferred;
                _dst.enc_ndr_string(this.netname);

            }
            if (this.remark != null) {
                _dst = _dst.deferred;
                _dst.enc_ndr_string(this.remark);

            }
            if (this.path != null) {
                _dst = _dst.deferred;
                _dst.enc_ndr_string(this.path);

            }

            if (server_name != null) {
                _dst = _dst.deferred;
                _dst.enc_ndr_string(server_name);

            }
            if (share_name != null) {
                _dst = _dst.deferred;
                _dst.enc_ndr_string(share_name);

            }
        }

        @Override
        public void decode(NdrBuffer _src) throws NdrException {

            // Encode WitnessRegister request parameters
            buffer.enc_ndr_long(request.getVersion());
            buffer.enc_ndr_string(request.getShareName());
            buffer.enc_ndr_string(request.getServerAddress());
            buffer.enc_ndr_long(request.getFlags());
        }
        
        @Override

        ndrBuffer.setIndex(0);
        String decodedString = ndrBuffer.dec_ndr_string();
        assertEquals(testString, decodedString);
        assertEquals(expectedLength, ndrBuffer.getIndex());

        // Test empty string
        ndrBuffer.reset();
        String emptyString = "";
        ndrBuffer.enc_ndr_string(emptyString);
        expectedLength = 4 + 4 + 4 + (emptyString.length() * 2) + 2;

        @Override
        public void encode_in(final NdrBuffer _dst) throws NdrException {
            _dst.enc_ndr_referent(this.system_name, 1);
            if (this.system_name != null) {
                _dst.enc_ndr_string(this.system_name);

            }
            _dst.enc_ndr_long(this.access_mask);
        }

        @Override
        public void decode_out(final NdrBuffer _src) throws NdrException {