int namedPipeState = 0x03; // NP_NOWAIT | NP_READMODE_MESSAGE
        int readDataAvailable = 100;
        int numberOfMessages = 2;
        int messageLength = 50;
        byte[] testData = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };

        // Write values to buffer
        SMBUtil.writeInt4(namedPipeState, buffer, bufferIndex);
        SMBUtil.writeInt4(readDataAvailable, buffer, bufferIndex + 4);

     * Test constructor with malformed data (too short).
     */
    @Test
    void testConstructorMalformedData() {
        // Prepare data (only 2 bytes, less than an int)
        byte[] data = new byte[] { 0x01, 0x02 };

        // Verify that PACDecodingException is thrown
        assertThrows(PACDecodingException.class, () -> {
            new PacSignature(data);
        });
    }

    /**

    /**
     * Test constructor with raw bytes.
     */
    @Test
    void testAvFlagsByteArrayConstructor() {
        // Test with a positive integer
        byte[] rawBytes = new byte[] { 0x01, 0x02, 0x03, 0x04 }; // Represents 0x04030201 (little-endian)
        AvFlags avFlags = new AvFlags(rawBytes);
        assertNotNull(avFlags, "AvFlags object should not be null");

        // 2 bytes for fileAttributes, 4 bytes for lastWriteTime, 4 bytes for fileSize
        byte[] buffer = new byte[20];
        // File Attributes: 0x0010 (Directory)
        buffer[0] = 0x10;
        buffer[1] = 0x00;
        // Last Write Time (UTime): A sample timestamp in milliseconds
        long sampleTimeMillis = 1672531200000L; // Represents a specific date in milliseconds

     */
    public static final int SMB2_WATCH_TREE = 0x1;

    /**
     * Notify when a file name changes
     */
    public static final int FILE_NOTIFY_CHANGE_FILE_NAME = 0x1;
    /**
     * Notify when a directory name changes
     */
    public static final int FILE_NOTIFY_CHANGE_DIR_NAME = 0x2;
    /**
     * Notify when file attributes change
     */

        private final int flags;

        /** Flag indicating IPv4 address type */
        public static final int IPV4 = 0x01;
        /** Flag indicating IPv6 address type */
        public static final int IPV6 = 0x02;

        /**
         * Creates a new witness IP address.
         *
         * @param address the IP address
         */
        public WitnessIPAddress(InetAddress address) {
            this.address = address;

    @Test
    @DisplayName("Test OWNER_SECURITY_INFO constant value")
    void testOwnerSecurityInfo() {
        assertEquals(0x1, SecurityInfo.OWNER_SECURITY_INFO);
    }

    @Test
    @DisplayName("Test GROUP_SECURITY_INFO constant value")
    void testGroupSecurityInfo() {
        assertEquals(0x2, SecurityInfo.GROUP_SECURITY_INFO);
    }

    @Test
    @DisplayName("Test DACL_SECURITY_INFO constant value")

    /** Session service error class */
    public static final int ERR_SSN_SRVC = 0x02;

    // name service error codes
    /** Format error in the name service */
    public static final int FMT_ERR = 0x1;
    /** Server error in the name service */
    public static final int SRV_ERR = 0x2;
    /** Implementation error in the name service */
    public static final int IMP_ERR = 0x4;

    }

    @Test
    void testConstructor() {
        // Test that the constructor properly initializes the object
        assertNotNull(response);
        // The command should be SMB_COM_TRANSACTION2 (0x32 = 50)
        assertEquals(ServerMessageBlock.SMB_COM_TRANSACTION2, response.getCommand());
        // The subcommand should be TRANS2_FIND_FIRST2 (0x01 = 1)

        // When
        String result = Hexdump.toHexString(data, offset, length);

        // Then
        assertNotNull(result);
        assertFalse(result.isEmpty());
        // Check starts with byte at offset 16 (0x10)
        assertTrue(result.startsWith("10111213"));
        assertEquals(64, result.length()); // 32 bytes * 2 chars per byte
    }

    @Test
    @DisplayName("Should handle invalid offset and length parameters")