CrawlingParameterUtil.setUrlQueue(urlQueue);

        // Verify it can be retrieved
        UrlQueue<?> retrieved = CrawlingParameterUtil.getUrlQueue();
        assertNotNull(retrieved);
        assertEquals("test-session", retrieved.getSessionId());
        assertEquals("http://example.com", retrieved.getUrl());
    }

    public void test_urlQueue_setNull() {
        // Set a UrlQueue first

        Directive retrieved = robotsTxt.getDirective("OtherBot");
        assertNull(retrieved);
    }

    public void test_getDirectiveWithNull() {
        // Test getDirective with null user agent
        RobotsTxt robotsTxt = new RobotsTxt();

        Directive retrieved = robotsTxt.getDirective(null);
        assertNull(retrieved);
    }

        String[] retrieved = data.getValues("empty");
        assertNotNull(retrieved);
        assertEquals(0, retrieved.length);
    }

    public void test_nullValues() {
        // Test with null values
        ExtractData data = new ExtractData();

        data.putValue("key", null);

        String[] retrieved = data.getValues("key");
        assertNotNull(retrieved);

        keyManager.storeSessionKey(sessionId2, key2, "AES");

        byte[] retrieved1 = keyManager.getRawKey(sessionId1);
        byte[] retrieved2 = keyManager.getRawKey(sessionId2);

        assertArrayEquals(key1, retrieved1, "Key 1 should match");
        assertArrayEquals(key2, retrieved2, "Key 2 should match");
        assertFalse(Arrays.equals(retrieved1, retrieved2), "Keys should be different");
    }

    @Test

                .setSize(0)
                .execute()
                .actionGet()
                .getHits()
                .getTotalHits()
                .value() > 0);

        // Verify pattern can be retrieved
        final List<Pattern> patterns = urlFilterService.getIncludeUrlPatternList(sessionId);
        assertEquals(1, patterns.size());
        assertTrue(patterns.get(0).matcher("http://example.com/page1").matches());

                    startLatch.await();
                    crawlerContext.addSitemaps(thread1Sitemaps);
                    String[] retrieved = crawlerContext.removeSitemaps();
                    if (retrieved != null && retrieved.length == 1 && "http://thread1.com/sitemap.xml".equals(retrieved[0])) {
                        successCount.incrementAndGet();
                    }
                } catch (InterruptedException e) {

     * address, isPermanent, isBeingDeleted, ...etc. This information can only
     * be retrieved with the Node Status request.
     *
     * The degree of state that an NbtAddress has is dependant on how it was
     * created and what is required of it. The second degree of state is the
     * most common. This is the state information that would be retrieved from
     * WINS for example. Natrually it is not practical for every NbtAddress

     * which hold TGT retrieved from KDC. If multiple TGT are contained, the
     * first one will be used to retrieve user principal.
     *
     * @param subject
     *            represents the user who perform Kerberos authentication.
     *            It contains tickets retrieve from KDC.
     */
    public Kerb5Authenticator(Subject subject) {

        assertThrows(UnknownHostException.class, () -> {
            nameServiceClient.getNodeStatus(mockNetbiosAddress);
        }, "Should throw UnknownHostException when node status cannot be retrieved");
    }

    @Test
    @DisplayName("Should handle getByName with boolean flag")
    void testGetByNameWithFlag() throws UnknownHostException {
        // When

     * When enabled, users can save favorite search results.
     */
    @Size(max = 10)
    public String userFavorite;

    /**
     * Enable or disable JSON Web API.
     * When enabled, search results can be retrieved via JSON API.
     */
    @Size(max = 10)
    public String webApiJson;

    /**
     * Application-specific value for custom configurations.
     * This field can be used to store custom application settings.