long data4 = bb2.getLong();

        // Construct UUID from components - Java UUID expects big-endian representation
        long mostSig = ((long) data1 << 32) | ((long) (data2 & 0xFFFF) << 16) | (data3 & 0xFFFF);
        long leastSig = data4;

        this.guid = new UUID(mostSig, leastSig);
    }

    /**
     * Create a handle GUID from existing UUID
     * @param uuid the UUID to wrap
     */

    }

    @Test
    @DisplayName("Test close flags with different values")
    void testCloseFlagsWithDifferentValues() {
        // Test with different flag values
        int[] testFlagValues = { 0x0000, 0x0001, 0xFFFF };

        for (int flagValue : testFlagValues) {
            request.setCloseFlags(flagValue);

            byte[] buffer = new byte[256];
            request.writeBytesWireFormat(buffer, 0);

                this.negotiatedFlags2 |= SmbConstants.FLAGS2_SECURITY_REQUIRE_SIGNATURES;
            }
        } else {
            this.negotiatedFlags2 &= 0xFFFF ^ SmbConstants.FLAGS2_SECURITY_SIGNATURES;
            this.negotiatedFlags2 &= 0xFFFF ^ SmbConstants.FLAGS2_SECURITY_REQUIRE_SIGNATURES;
        }

        if (log.isDebugEnabled()) {

        byte[] src = { (byte) 0x00, (byte) 0x01, (byte) 0xFF, (byte) 0xFF };
        int length = SessionServicePacket.readLength(src, 0);

        assertEquals(0x01FFFF, length);
    }

    @Test
    @DisplayName("readLength should handle zero length")
    void testReadLengthZero() {
        byte[] src = { (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00 };

                final int _arrayi = _src.index;
                _src.advance(4 * _arrays);

                if (array == null) {
                    if (_arrays < 0 || _arrays > 0xFFFF) {
                        throw new NdrException(NdrException.INVALID_CONFORMANCE);
                    }
                    array = new ShareInfo0[_arrays];
                }

                (byte) 0xF0, (byte) 0xDE, (byte) 0xBC, (byte) 0x9A, (byte) 0x78, (byte) 0x56, (byte) 0x34, (byte) 0x12,
                // 0xFFFFFFFFFFFFFFFFL
                (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF,
                // 0x0000000000000000L
                (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00 };

        ByteBuffer bb = ByteBuffer.allocate(8).order(ByteOrder.LITTLE_ENDIAN);
        bb.putShort((short) fid);
        bb.put((byte) 0x00); // Reserved
        bb.put((byte) 0x00); // Reserved
        bb.putInt(securityInformation);
        return bb.array();
    }

    /**
     * Provide a range of values that are valid for the constructor.
     */

            }

            // there seems to be a bug with some servers that causes corruption if using signatures + CAP_LARGE_WRITE
            if (th.hasCapability(SmbConstants.CAP_LARGE_WRITEX) && !th.areSignaturesActive()) {
                this.writeSize = Math.min(th.getConfig().getSendBufferSize() - 70, 0xFFFF - 70);
            }

            this.fp = 0L;

     *
     * @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;
    }

        assertEquals(0x0002, SmbConstants.FLAGS2_EXTENDED_ATTRIBUTES);
        assertEquals(0x0800, SmbConstants.FLAGS2_EXTENDED_SECURITY_NEGOTIATION);
        assertEquals(0x0004, SmbConstants.FLAGS2_SECURITY_SIGNATURES);
        assertEquals(0x4000, SmbConstants.FLAGS2_STATUS32);
        assertEquals(0x8000, SmbConstants.FLAGS2_UNICODE);
    }

    /**
     * Test capability flags.
     */
    @Test