}

    /**
     * Test constructor with a malformed token.
     */
    @Test
    void testConstructorMalformed() {
        byte[] malformedToken = new byte[] { 0x01, 0x02, 0x03, 0x04 };
        assertThrows(PACDecodingException.class, () -> new KerberosEncData(malformedToken, Collections.emptyMap()));
    }

    /**
     * Test constructor with an unknown field.
     *

    private CommonServerMessageBlock message;

    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;

        Configuration cfg = mock(Configuration.class);
        SmbComLockingAndX cmd = new SmbComLockingAndX(cfg);
        setField(cmd, "fid", 42);
        setField(cmd, "typeOfLock", (byte) 0x07);
        setField(cmd, "newOpLockLevel", (byte) 0x02);
        String repr = cmd.toString();
        assertTrue(repr.contains("fid=42"));
        assertTrue(repr.contains("typeOfLock=7"));
        assertTrue(repr.contains("newOplockLevel=2"));

        new byte[] {
          0x01, (byte) 0xc0, 0x00, 0x00,
          0x00, 0x00, 0x00, 0x00,
          0x00, 0x00, 0x00, 0x00,
          0x00, 0x00, 0x00, 0x00,
          0x14, 0x00, 0x00, 0x00,
          0x00, 0x00, 0x04, 0x00,
          0x00, 0x00, 0x00, 0x14,
          0x00, 0x00, 0x00, 0x18,
          0x28, 0x00, 0x00, 0x00,
          0x00, 0x00, 0x00, 0x00,
          0x02, 0x00, 0x00, 0x00,

    void testSubcommandConstants() {
        // Test Trans2 subcommands
        assertEquals((byte) 0x01, SmbComTransaction.TRANS2_FIND_FIRST2);
        assertEquals((byte) 0x02, SmbComTransaction.TRANS2_FIND_NEXT2);
        assertEquals((byte) 0x03, SmbComTransaction.TRANS2_QUERY_FS_INFORMATION);
        assertEquals((byte) 0x05, SmbComTransaction.TRANS2_QUERY_PATH_INFORMATION);

            request.setOffset(1000L);
            request.setMinimumCount(200);
            request.setRemainingBytes(3000);
            request.setPadding((byte) 4);
            request.setReadFlags((byte) 0x02);

            // Update file ID
            byte[] newFileId = new byte[16];
            Arrays.fill(newFileId, (byte) 0xEF);
            request.setFileId(newFileId);

            // Write and verify

            assertEquals(0x01, ACE.FLAGS_OBJECT_INHERIT, "FLAGS_OBJECT_INHERIT should be 0x01");
            assertEquals(0x02, ACE.FLAGS_CONTAINER_INHERIT, "FLAGS_CONTAINER_INHERIT should be 0x02");
            assertEquals(0x04, ACE.FLAGS_NO_PROPAGATE, "FLAGS_NO_PROPAGATE should be 0x04");
            assertEquals(0x08, ACE.FLAGS_INHERIT_ONLY, "FLAGS_INHERIT_ONLY should be 0x08");

        buffer[38] = 0x00;

        // Parameter count (2 bytes)
        buffer[39] = 0x00;
        buffer[40] = 0x00;

        // Parameter offset (2 bytes)
        buffer[41] = 0x00;
        buffer[42] = 0x00;

        // Parameter displacement (2 bytes)
        buffer[43] = 0x00;
        buffer[44] = 0x00;

        // Data count (2 bytes)
        buffer[45] = 0x00;
        buffer[46] = 0x00;

        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
        assertEquals(1, Trans2FindFirst2.SMB_INFO_STANDARD);

        buffer.position(20);
        buffer.put((byte) 0x01); // Revision
        buffer.put((byte) 0x01); // SubAuthorityCount
        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