default:
            throw new IllegalArgumentException("Unknown dialect");
        }

        // Initialize the digest once to validate configuration
        this.digest = createMacInstance();
    }

    /**
     * Create a new Mac instance for thread-safe operations
     * @return initialized Mac instance
     * @throws GeneralSecurityException if Mac cannot be created
     */

     */
    private static byte[] newBuffer(int length) {
        // initialise with distinct pattern to detect unused trailing bytes
        byte[] buf = new byte[length];
        Arrays.fill(buf, (byte) 0xFF);
        return buf;
    }

    @Test
    @DisplayName("constructor initialises command and parameters correctly")
    void testConstructorInitialisesFields() throws Exception {

        assertEquals(TEST_SERVER, dfsRootEnum.dfs_name);

        // Verify preferred max length is set to maximum
        assertEquals(0xFFFF, dfsRootEnum.prefmaxlen);

        // Verify totalentries is initialized
        assertNotNull(dfsRootEnum.totalentries);
    }

    @Test
    @DisplayName("getEntries should return empty array when no DFS roots exist")
    void testGetEntries_emptyArray() throws Exception {

            log.trace(msg1.toString());
            log.trace(Hexdump.toHexString(out));
        }

        this.state++;
        return out;
    }

    /**
     * Initializes session security keys for signing and sealing.
     * @param mk the master key to derive session keys from
     */
    protected void initSessionSecurity(final byte[] mk) {

    /**
     * Constructs a new ApiExtractor.
     */
    public ApiExtractor() {
        // NOP
    }

    /**
     * Initializes the API extractor, setting up the HTTP client and configuration.
     * This method is called after construction to initialize the HTTP client with
     * configured timeouts, authentication, and request headers.
     */
    @PostConstruct
    public void init() {

    @BeforeEach
    void setUp() {
        msrpcShareGetInfo = new MsrpcShareGetInfo(testServer, testSharename);
    }

    @Test
    void testConstructor() {
        // Verify constructor properly initializes the object
        assertNotNull(msrpcShareGetInfo);
        assertEquals(0, msrpcShareGetInfo.getPtype());
        assertEquals(DcerpcConstants.DCERPC_FIRST_FRAG | DcerpcConstants.DCERPC_LAST_FRAG, msrpcShareGetInfo.getFlags());

        // Test that ChannelManager initializes properly
        assertNotNull(channelManager);
        assertNotNull(channelManager.getChannels());
        // Note: isUseMultiChannel() checks if actual multi-channel is negotiated with server
        // In mock environment, this will be false until we mock successful negotiation

        // Verify load balancer is initialized
        assertNotNull(channelManager.getLoadBalancer());

    protected boolean useFilenameOnOctetStream = true;

    /**
     * Creates a new MimeTypeHelperImpl instance.
     * Initializes the MimeTypes instance using the default configuration.
     * @throws CrawlerSystemException if the MIME types configuration cannot be loaded
     */
    public MimeTypeHelperImpl() {
        try {

    }

    @Test
    void testSetOptionOtherKey() throws DcerpcException {
        dcerpcBinding.setOption("connect", "80");
        assertNotNull(dcerpcBinding.getOptions(), "Options map should be initialized.");
        assertEquals("80", dcerpcBinding.getOptions().get("connect"), "Option value should be set correctly.");
    }

    @Test
    void testGetOptionEndpoint() throws DcerpcException {

        negotiation = new SmbNegotiation(mockRequest, mockResponse, testRequestBuffer, testResponseBuffer);
    }

    @Test
    @DisplayName("Constructor should properly initialize all fields")
    void testConstructor() {
        // Verify all fields are properly initialized
        assertNotNull(negotiation);
        assertSame(mockRequest, negotiation.getRequest());
        assertSame(mockResponse, negotiation.getResponse());