}

    @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);

            assertEquals(0x04, ACE.FLAGS_NO_PROPAGATE, "FLAGS_NO_PROPAGATE should be 0x04");
            assertEquals(0x08, ACE.FLAGS_INHERIT_ONLY, "FLAGS_INHERIT_ONLY should be 0x08");
            assertEquals(0x10, ACE.FLAGS_INHERITED, "FLAGS_INHERITED should be 0x10");
        }
    }

    @Nested
    @DisplayName("Bitwise Operations Tests")

    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;

    static final byte TRANS_PEEK_NAMED_PIPE = (byte) 0x23;

        assertNotNull(response);
        // The command is not set in the constructor, defaults to 0
        assertEquals(0, response.getCommand());
        // The subcommand should be TRANS2_SET_FILE_INFORMATION (0x08)
        assertEquals(SmbComTransaction.TRANS2_SET_FILE_INFORMATION, response.getSubCommand());
    }

    @Test
    @DisplayName("Test constructor with mock configuration")
    void testConstructorWithMockConfig() {

            // Share flags (DFS)
            buffer[4] = 0x01;
            buffer[5] = 0x00;
            buffer[6] = 0x00;
            buffer[7] = 0x00;
            // Capabilities (DFS)
            buffer[8] = 0x08;
            buffer[9] = 0x00;
            buffer[10] = 0x00;
            buffer[11] = 0x00;
            // Maximal access
            buffer[12] = (byte) 0xFF;
            buffer[13] = 0x01;

        // Little-endian 0x12345678 -> 0x78 0x56 0x34 0x12
        byte[] data = new byte[] { 0x78, 0x56, 0x34, 0x12 };
        PacDataInputStream pdis = createInputStream(data);
        assertEquals(0x12345678, pdis.readInt());
    }

    @Test
    public void testReadLong() throws IOException {
        // Little-endian 0x123456789ABCDEF0 -> 0xF0 0xDE 0xBC 0x9A 0x78 0x56 0x34 0x12

        assertEquals(0x02, Trans2FindFirst2.FLAGS_CLOSE_IF_END_REACHED);
        assertEquals(0x04, Trans2FindFirst2.FLAGS_RETURN_RESUME_KEYS);
        assertEquals(0x08, Trans2FindFirst2.FLAGS_RESUME_FROM_PREVIOUS_END);
        assertEquals(0x10, Trans2FindFirst2.FLAGS_FIND_WITH_BACKUP_INTENT);

        // Test information level constants

    private byte[] testData;

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
        testData = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };
    }

    @Test
    @DisplayName("Test sign method with valid parameters")
    void testSignWithValidParameters() {
        // Arrange
        int offset = 0;
        int length = testData.length;

                (byte) 0x67, (byte) 0x45, (byte) 0x23, (byte) 0x01
              },
              0x89abcdef,
              0x0123456789abcdefL,
              "efcdab8967452301"),
          new ExpectedHashCode(
              new byte[] {
                (byte) 0xef, (byte) 0xcd, (byte) 0xab, (byte) 0x89,
                (byte) 0x67, (byte) 0x45, (byte) 0x23,

    public static final int FLAGS_NO_PROPAGATE = 0x04;
    /** Inheritance flag: ACE applies only to children, not to the object itself */
    public static final int FLAGS_INHERIT_ONLY = 0x08;
    /** Inheritance flag: ACE was inherited from parent */
    public static final int FLAGS_INHERITED = 0x10;

    boolean allow;
    int flags;
    int access;
    SID sid;

    /**