init.setContextFlag(NegTokenInit.CONFIDENTIALITY, true);
        assertTrue(init.getContextFlag(NegTokenInit.CONFIDENTIALITY));
        assertEquals(NegTokenInit.CONFIDENTIALITY, init.getContextFlags());

        init.setContextFlag(NegTokenInit.INTEGRITY, true);
        assertTrue(init.getContextFlag(NegTokenInit.INTEGRITY));
        assertEquals(NegTokenInit.CONFIDENTIALITY | NegTokenInit.INTEGRITY, init.getContextFlags());

    <filter-class>org.apache.catalina.filters.HttpHeaderSecurityFilter</filter-class>
    <init-param>
      <param-name>blockContentTypeSniffingEnabled</param-name>
      <param-value>true</param-value>
    </init-param>
    <init-param>
      <param-name>hstsEnabled</param-name>
      <param-value>false</param-value>
    </init-param>
    <init-param>
      <param-name>antiClickJackingEnabled</param-name>

        urlFilter.addInclude(".*test.*");

        assertEquals(1, urlFilter.cachedIncludeSet.size());
        assertEquals(0, urlFilter.cachedExcludeSet.size());

        final String sessionId = "id1";
        urlFilter.init(sessionId);
        assertEquals(0, urlFilter.cachedIncludeSet.size());
        assertEquals(0, urlFilter.cachedExcludeSet.size());
        assertEquals(1, dataHelper.getIncludeUrlPatternList(sessionId).size());

    @Test
    void testInitAlreadyInitializedThrowsException() throws CIFSException {
        // Test attempting to initialize when already initialized
        SingletonContext.init(null);
        CIFSException e = assertThrows(CIFSException.class, () -> SingletonContext.init(null));
        assertEquals("Singleton context is already initialized", e.getMessage());
    }

    @Test

        // Add patterns before init
        newFilter.addInclude("https://example.com/.*");
        newFilter.addExclude(".*\\.css$");

        // Initialize with session
        String sessionId = "test-session-016";
        newFilter.init(sessionId);

        // Patterns should be applied after init
        assertTrue(newFilter.match("https://example.com/page"));

        assertDoesNotThrow(() -> networkExplorer.init(servletConfig));
    }

    /**
     * Test servlet initialization with custom JCIFS parameters
     */
    @Test
    void testInit_WithJcifsParameters() throws ServletException {
        // Reset mocks for this test
        reset(servletConfig, servletContext);

        // Setup init parameters
        Vector<String> paramNames = new Vector<>();

        ASN1ObjectIdentifier unsupported = new ASN1ObjectIdentifier("1.2.3.4.5");
        byte[] init = spnegoInitWithMechs(unsupported);

        // Host is a FQDN to pass the short-name check
        SmbUnsupportedOperationException ex =
                assertThrows(SmbUnsupportedOperationException.class, () -> auth.createContext(tc, null, "server.example.com", init, false));

    }

    /**
     * Test the init method of the servlet.
     * Verifies that servlet is correctly initialized with parameters from ServletConfig.
     * @throws ServletException
     */
    @Test
    void testInit() throws ServletException {
        assertDoesNotThrow(() -> ntlmServlet.init(servletConfig));

        int ms_usage = mapArcfourMD5KeyUsage(keyusage);
        Mac mac = Mac.getInstance("HmacMD5");
        MessageDigest md = MessageDigest.getInstance("MD5");
        mac.init(key);
        byte[] dk = mac.doFinal(MD5_CONSTANT);
        try {
            // little endian
            md.update((byte) (ms_usage & 0xFF));
            md.update((byte) (ms_usage >> 8 & 0xFF));

        assertNotNull(testConverter);
    }

    @Test
    public void testInit() throws IOException {
        // Test init method (should do nothing)
        converter.init();
        // No exception should be thrown
    }

    @Test
    public void testConvertWithNoLanguages() throws IOException {
        // Test convert with no languages specified