}
        return null;
    }

    void encode_header(final NdrBuffer buf) {
        buf.enc_ndr_small(5); /* RPC version */
        buf.enc_ndr_small(0); /* minor version */
        buf.enc_ndr_small(this.ptype);
        buf.enc_ndr_small(this.flags);
        buf.enc_ndr_long(0x00000010); /* Little-endian / ASCII / IEEE */
        buf.enc_ndr_short(this.length);

        assertNull(dcerpcBinding.getUuid(), "UUID should be null initially.");
        assertEquals(0, dcerpcBinding.getMajor(), "Major version should be 0 initially.");
        assertEquals(0, dcerpcBinding.getMinor(), "Minor version should be 0 initially.");
    }

    @Test
    void testSetOptionEndpointValidPipe() throws DcerpcException {
        String endpoint = "\\pipe\\srvsvc";
        dcerpcBinding.setOption("endpoint", endpoint);

        return this.uuid;
    }

    /**
     * @return the major
     */
    int getMajor() {
        return this.major;
    }

    /**
     * @return the minor
     */
    int getMinor() {
        return this.minor;
    }

    void setOption(final String key, final Object val) throws DcerpcException {
        if (key.equals("endpoint")) {
            this.endpoint = val.toString();

     *
     * @return the major version
     */
    public int getMajorVersion() {
        return (version >> 16) & 0xFFFF;
    }

    /**
     * Gets the minor version number.
     *
     * @return the minor version
     */
    public int getMinorVersion() {
        return version & 0xFFFF;
    }

        NdrBuffer buf = new NdrBuffer(new byte[1024], 0);

        // Manually encode a response header
        buf.enc_ndr_small(5); // RPC version
        buf.enc_ndr_small(0); // minor version
        buf.enc_ndr_small(2); // ptype = 2 (Response)
        buf.enc_ndr_small(0); // flags
        buf.enc_ndr_long(0x00000010); // data representation
        buf.enc_ndr_short(20); // length

        }

        @Test
        @DisplayName("decode_header should throw NdrException for invalid minor RPC version")
        void testDecodeHeaderThrowsNdrExceptionForMinorRpcVersion() {
            when(mockBuffer.dec_ndr_small()).thenReturn(5).thenReturn(1); // Incorrect minor RPC version
            assertThrows(NdrException.class, () -> message.decode_header(mockBuffer));
        }

        @Test

        INTERFACES.put(name, syntax);
    }

    String proto;
    String server;
    String endpoint = null;
    HashMap options = null;
    UUID uuid = null;
    int major;
    int minor;

    DcerpcBinding(final String proto, final String server) {
        this.proto = proto;
        this.server = server;
    }

    void setOption(final String key, final Object val) throws DcerpcException {

        bufferIndex += 16;

        // Write version major (1 byte)
        buffer[bufferIndex++] = (byte) versionMajor;

        // Write version minor (1 byte)
        buffer[bufferIndex++] = (byte) versionMinor;

        // Write type (4 bytes)
        SMBUtil.writeInt4(serverType, buffer, bufferIndex);
        bufferIndex += 4;

            return new DcerpcException(result);
        }
        return null;
    }

    void encode_header(final NdrBuffer buf) {
        buf.enc_ndr_small(5); /* RPC version */
        buf.enc_ndr_small(0); /* minor version */
        buf.enc_ndr_small(ptype);
        buf.enc_ndr_small(flags);
        buf.enc_ndr_long(0x00000010); /* Little-endian / ASCII / IEEE */
        buf.enc_ndr_short(length);

        buf.enc_ndr_small(1); /* number of items */
        buf.enc_ndr_small(0); /* reserved */
        binding.uuid.encode(buf);
        buf.enc_ndr_short(binding.major);
        buf.enc_ndr_short(binding.minor);
        DCERPC_UUID_SYNTAX_NDR.encode(buf);
        buf.enc_ndr_long(2); /* syntax version */
    }

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