@Test
    void testInitializationWithoutMultiChannelSupport() throws IOException {
        when(mockConfig.isUseMultiChannel()).thenReturn(false);
        ChannelManager manager = new ChannelManager(mockContext, mockSession);

        manager.initializeMultiChannel();

        assertFalse(manager.isUseMultiChannel());
    }

    @Test
    void testGetHealthyChannels() throws UnknownHostException {

    void testGetDialectRevision() throws Exception {
        // Given
        setPrivateField(response, "dialectRevision", 0x0311);

        // When
        int dialect = response.getDialectRevision();

        // Then
        assertEquals(0x0311, dialect);
    }

    @Test
    @DisplayName("Should return server GUID")
    void testGetServerGuid() throws Exception {
        // Given

    assertNull(tester.instantiate(Runnable.class));
  }

  public void testInstantiate_abstractClass() throws Exception {
    assertNull(tester.instantiate(AbstractList.class));
  }

  public void testInstantiate_annotation() throws Exception {
    assertNull(tester.instantiate(MyAnnotation.class));
  }

  public void testInstantiate_setDefault() throws Exception {

  }

  private void assertGood(String spec) throws ParseException {
    // Throws exception if not working correctly
    HostSpecifier unused = HostSpecifier.fromValid(spec);
    unused = HostSpecifier.from(spec);
    assertTrue(HostSpecifier.isValid(spec));
  }

  private void assertBad(String spec) {
    try {
      HostSpecifier.fromValid(spec);
      fail("Should have thrown IllegalArgumentException: " + spec);

     * @return a DCERPC handle for the connection
     * @throws UnknownHostException if the host cannot be resolved
     * @throws MalformedURLException if the URL is malformed
     * @throws DcerpcException if DCERPC initialization fails
     */
    public static DcerpcHandle getHandle(final String url, final NtlmPasswordAuthentication auth)
            throws UnknownHostException, MalformedURLException, DcerpcException {

        @Test
        @DisplayName("read(null) throws NullPointerException")
        void readNullArrayThrows() throws Exception {
            SmbFileInputStream in = newStream();
            assertThrows(NullPointerException.class, () -> in.read(null));
        }

        @Test
        @DisplayName("readDirect with len <= 0 returns 0")
        void readDirectZeroLen() throws Exception {

        }
    }

    /**
     * Opens a connection to the specified URL.
     *
     * @param u the URL
     * @return the HttpURLConnection
     * @throws IOException if an I/O exception occurs
     */
    protected HttpURLConnection open(final URL u) throws IOException {
        final HttpURLConnection connection = (HttpURLConnection) (proxy != null ? u.openConnection(proxy) : u.openConnection());

        // When - should not throw exception
        response.prepare(mockRequest);

        // Then - method completes without error
        assertTrue(true);
    }

    @Test
    @DisplayName("Should verify wire format protocol compliance")
    void testWireFormatProtocolCompliance() throws SMBProtocolDecodingException {

     * @param hashAlgorithm the selected hash algorithm
     * @return the created context
     * @throws CIFSException if initialization fails
     */
    public PreauthIntegrityContext initializeSession(String sessionId, byte[] salt, int hashAlgorithm) throws CIFSException {
        if (sessionId == null || sessionId.isEmpty()) {
            throw new CIFSException("Session ID cannot be null or empty");
        }

     * @param data the data to calculate the MAC for
     * @return the calculated MAC bytes
     * @throws GeneralSecurityException if cryptographic operations fail
     */
    public static byte[] calculateMacArcfourHMACMD5(int keyusage, Key key, byte[] data) throws GeneralSecurityException {
        int ms_usage = mapArcfourMD5KeyUsage(keyusage);
        Mac mac = Mac.getInstance("HmacMD5");