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.
     */

        while (size > 0) {
            final int i = dstIndex + size - 1;
            if (i < dst.length) {
                dst[i] = HEX_DIGITS[val & 0x000F];
            }
            if (val != 0) {
                val >>>= 4;
            }
            size--;
        }
    }

    /**

        assertEquals((byte) 0x08, SmbComTransaction.TRANS2_SET_FILE_INFORMATION);

        // Test NET subcommands
        assertEquals(0x0000, SmbComTransaction.NET_SHARE_ENUM);
        assertEquals(0x0068, SmbComTransaction.NET_SERVER_ENUM2);
        assertEquals(0x00D7, SmbComTransaction.NET_SERVER_ENUM3);

        // Test TRANS subcommands
        assertEquals((byte) 0x23, SmbComTransaction.TRANS_PEEK_NAMED_PIPE);

                }

                serverChallenge = msg2.getChallenge();
                ntlmsspFlags &= msg2.getFlags();

                //                  netbiosName = getNtlmsspListItem(token, 0x0001);

                final Type3Message msg3 =
                        new Type3Message(msg2, auth.getPassword(), auth.getDomain(), auth.getUsername(), workstation, ntlmsspFlags);
                token = msg3.toByteArray();

    static final byte TRANS2_FIND_NEXT2 = (byte) 0x02;
    static final byte TRANS2_QUERY_FS_INFORMATION = (byte) 0x03;
    static final byte TRANS2_QUERY_PATH_INFORMATION = (byte) 0x05;
    static final byte TRANS2_GET_DFS_REFERRAL = (byte) 0x10;
    static final byte TRANS2_SET_FILE_INFORMATION = (byte) 0x08;

    static final int NET_SHARE_ENUM = 0x0000;
    static final int NET_SERVER_ENUM2 = 0x0068;
    static final int NET_SERVER_ENUM3 = 0x00D7;

        // Credit charge
        SMBUtil.writeInt2(1, buffer, headerStart + 6);
        // Status
        SMBUtil.writeInt4(0, buffer, headerStart + 8);
        // Command (READ = 0x0008)
        SMBUtil.writeInt2(0x0008, buffer, headerStart + 12);
        // Credit request/response
        SMBUtil.writeInt2(1, buffer, headerStart + 14);
        // Flags
        SMBUtil.writeInt4(0, buffer, headerStart + 16);

        buffer.put(new byte[] { 0, 0, 0, 0, 0, 1 }); // IdentifierAuthority
        buffer.putInt(0); // SubAuthority

        // Group SID at offset 40
        buffer.position(40);
        buffer.put((byte) 0x01); // Revision
        buffer.put((byte) 0x01); // SubAuthorityCount
        buffer.put(new byte[] { 0, 0, 0, 0, 0, 2 }); // IdentifierAuthority
        buffer.putInt(0); // SubAuthority

    }

    @Test
    void testWriteHeaderReadHeader() {
        byte[] buffer = new byte[32];
        smb.command = ServerMessageBlock.SMB_COM_NEGOTIATE;
        smb.flags = (byte) 0x18;
        smb.flags2 = 0x0001;
        smb.tid = 1;
        smb.pid = 2;
        smb.uid = 3;
        smb.mid = 4;

        smb.writeHeaderWireFormat(buffer, 0);

        TestServerMessageBlock readSmb = new TestServerMessageBlock();

        assertNotNull(result);
        assertTrue(result.contains("FileNotifyInformation"));
        assertTrue(result.contains("nextEntry=0"));
        assertTrue(result.contains("action=0x0000")); // Hexdump.toHexString produces 4-char padded hex
        assertTrue(result.contains("file=null"));
    }

    @ParameterizedTest
    @DisplayName("Test decode with aligned next entry offsets")

            defaultClientGuid[i] = (byte) (i + 1);
        }

        // Initialize default dialects
        defaultDialects = new int[] { 0x0202, 0x0210, 0x0300, 0x0302, 0x0311 };
    }

    @Test
    @DisplayName("Test constructor with valid parameters")
    void testConstructor() {
        ValidateNegotiateInfoRequest request =