boolean changed = false;

        if (metadata != null && reference != null) {
            Versioning versioning = metadata.getVersioning();
            Versioning versioningRef = reference.getVersioning();
            if (versioning != null && versioningRef != null) {
                String lastUpdated = versioning.getLastUpdated();

        return toFloat(o, null);
    }

    /**
     * Converts to {@link Float}.
     *
     * @param o
     *            The object to convert
     * @param pattern
     *            The pattern string
     * @return The converted {@link Float}
     */
    public static Float toFloat(final Object o, final String pattern) {
        if (o == null) {
            return null;

        }
    }

    // Test property filter returning null simulation
    @Test
    public void test_get_filterReturnsNull() {
        // The filter.null property is configured to simulate null filter behavior
        try {
            fessConfig.get("filter.null");
            fail("Should throw exception when property is not found");

    @Test
    @DisplayName("Test equals method with null netName")
    void testEqualsWithNullNetName() {
        SmbShareInfo info1 = new SmbShareInfo();
        SmbShareInfo info2 = new SmbShareInfo();

        // Both have null netName
        assertTrue(info1.equals(info2));

        SmbShareInfo info3 = new SmbShareInfo(TEST_NET_NAME, 0, TEST_REMARK);
        // One null, one non-null
        assertFalse(info1.equals(info3));

     *
     * @param name the name to register the data store under, must not be null
     * @param dataStore the data store instance to register, must not be null
     * @throws IllegalArgumentException if either name or dataStore is null
     */
    public void add(final String name, final DataStore dataStore) {
        if (name == null || dataStore == null) {
            throw new IllegalArgumentException(

            return redirectToLogin();
        }

        Map<String, Object> doc = null;
        try {
            doc = searchHelper
                    .getDocumentByDocId(form.docId, new String[] { fessConfig.getIndexFieldUrl(), fessConfig.getIndexFieldConfigId() },
                            getUserBean())
                    .orElse(null);
        } catch (final Exception e) {

    @Test
    public void test_inherited_methods_from_monitor_target() throws Exception {
        // Test that inherited methods are accessible
        Method appendMethod = null;
        Method appendTimestampMethod = null;
        Method appendExceptionMethod = null;

        // These are protected methods in MonitorTarget
        Method[] methods = MonitorTarget.class.getDeclaredMethods();
        for (Method method : methods) {

     */
    public void stop() {
        running.set(false);

        if (serverSocket != null && !serverSocket.isClosed()) {
            try {
                serverSocket.close();
            } catch (IOException e) {
                log.debug("Error closing server socket", e);
            }
        }

        if (serverThread != null) {
            try {
                serverThread.join(5000); // Wait up to 5 seconds

    }

    @Test
    void testVersionParsing() {
        checkVersionParsing("1", 1, 0, 0, 0, null);
        checkVersionParsing("1.2", 1, 2, 0, 0, null);
        checkVersionParsing("1.2.3", 1, 2, 3, 0, null);
        checkVersionParsing("1.2.3-1", 1, 2, 3, 1, null);
        checkVersionParsing("1.2.3-alpha-1", 1, 2, 3, 0, "alpha-1");
        checkVersionParsing("1.2-alpha-1", 1, 2, 0, 0, "alpha-1");

    @Override
    public Mirror getMirror(ArtifactRepository repository, List<Mirror> mirrors) {
        String repoId = repository.getId();

        if (repoId != null && mirrors != null) {
            for (Mirror mirror : mirrors) {
                if (repoId.equals(mirror.getMirrorOf()) && matchesLayout(repository, mirror)) {
                    return mirror;
                }
            }