*/
    protected final Object inLock = new Object();
    /**
     * Lock object for synchronizing output operations
     */
    protected final Object outLock = new Object();

    /**
     * Map for tracking pending responses by their key
     */
    protected final Map<Long, Response> response_map = new ConcurrentHashMap<>(10);
    private final AtomicLong usageCount = new AtomicLong(1);

    /**

                    handle.sendrecv(rpc);
                    if (rpc.retval != 0) {
                        throw new SmbException(rpc.retval, false);
                    }
                }

                return new SID(info.sid, jcifs.SID.SID_TYPE_DOMAIN, new UnicodeString(info.name, false).toString(), null, false);

        // Test with all zeros
        byte[] zeroFileId = new byte[16];
        Smb2FlushRequest zeroRequest = new Smb2FlushRequest(mockConfig, zeroFileId);
        testFileIdInRequest(zeroRequest, zeroFileId);

        // Test with all ones
        byte[] onesFileId = new byte[16];
        Arrays.fill(onesFileId, (byte) 0xFF);
        Smb2FlushRequest onesRequest = new Smb2FlushRequest(mockConfig, onesFileId);

 */
class DfsReferralResponseBufferTest {

    private DfsReferralResponseBuffer buffer;

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
        buffer = new DfsReferralResponseBuffer();
    }

    @Nested
    @DisplayName("Constructor and Initial State Tests")
    class ConstructorTests {

        @Test
        @DisplayName("Should initialize with null referrals")

        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    @Test
    @DisplayName("Test setFileId method")
    void testSetFileId() {
        request = new Smb2QueryInfoRequest(mockConfig);
        byte[] newFileId = new byte[16];
        for (int i = 0; i < 16; i++) {
            newFileId[i] = (byte) (i + 10);
        }

        if (tc.getConfig().isUseRawNTLM()) {
            return setupTargetName(tc, host, new NtlmContext(tc, this, doSigning));
        }

        try {
            if (initialToken != null && initialToken.length > 0) {
                NegTokenInit tok = new NegTokenInit(initialToken);
                if (log.isDebugEnabled()) {
                    log.debug("Have initial token " + tok);

        byte[] dst = new byte[100];

        int result = response.writeDataWireFormat(dst, 0);

        assertEquals(0, result);
    }

    @Test
    @DisplayName("Test readSetupWireFormat returns 0")
    void testReadSetupWireFormat() {
        response = new Trans2QueryPathInformationResponse(mockConfig, FileInformation.FILE_BASIC_INFO);

    @BeforeEach
    void setUp() {
        keys = new HashMap<>();
    }

    // Test successful PAC creation with mocked Pac construction
    @Test
    void testConstructorSuccess() throws PACDecodingException {
        // Setup key
        byte[] keyBytes = new byte[32];
        KerberosKey kdcKey = new KerberosKey(null, keyBytes, PacSignature.HMAC_SHA1_96_AES256, 1);

    /**
     * Test constructor with raw bytes.
     */
    @Test
    public void testConstructorWithRawBytes() {
        byte[] rawBytes = new byte[8];
        SMBUtil.writeInt8(1234567890L, rawBytes, 0); // Example timestamp
        AvTimestamp avTimestamp = new AvTimestamp(rawBytes);

        assertNotNull(avTimestamp);
        assertEquals(AvPair.MsvAvTimestamp, avTimestamp.getType());

    /**
     * Creates a new DFS root enumeration request for the specified server.
     *
     * @param server the server name to enumerate DFS roots from
     */
    public MsrpcDfsRootEnum(final String server) {
        super(server, 200, 0xFFFF, new netdfs.DfsEnumStruct(), new NdrLong(0));
        this.info.level = this.level;
        this.info.e = new netdfs.DfsEnumArray200();
        this.ptype = 0;