doc.put("title", "タイトル");
        doc.put("content", 123); // Non-string content
        doc.put("url", "http://example.com"); // Field not in langFields

        languageHelper.updateDocument(doc);

        assertEquals("ja", doc.get("lang"));
        assertEquals("タイトル", doc.get("title_ja"));
        assertEquals(123, doc.get("content_ja"));
        assertNull(doc.get("url_ja")); // url is not in langFields

        assertEquals(1, results.length);
        assertEquals("Test Content for testing", results[0]);

        results = relatedContentHelper.getRelatedContents("123");
        assertEquals(1, results.length);
        assertEquals("Number: 123", results[0]);

        results = relatedContentHelper.getRelatedContents("abc");
        assertEquals(0, results.length);
    }

    public void test_load_invalidRegex() {

	postgresDSN  = "user=gorm password=gorm dbname=gorm host=localhost port=9920 sslmode=disable TimeZone=Asia/Shanghai"
	gaussdbDSN   = "user=gaussdb password=Gaussdb@123 dbname=gorm host=localhost port=9950 sslmode=disable TimeZone=Asia/Shanghai"
	sqlserverDSN = "sqlserver://sa:LoremIpsum86@localhost:9930?database=master"

        response.sid = 123;
        response.numEntries = 5;
        response.isEndOfSearch = true;
        response.eaErrorOffset = 0;
        response.lastNameOffset = 100;
        response.lastName = "file5.txt";

        String actual = response.toString();
        assertTrue(actual.startsWith("Trans2FindFirst2Response["));
        assertTrue(actual.contains("sid=123"));

        }

        @Test
        @DisplayName("Should get and set tree ID")
        void testTreeIdProperty() {
            assertEquals(0, testMessage.getTreeId());
            testMessage.setTreeId(123);
            assertEquals(123, testMessage.getTreeId());
        }

        @Test
        @DisplayName("Should propagate tree ID to chained message")
        void testTreeIdPropagation() {

        assertEquals("new_value1", crawlingInfoHelper.infoMap.get("key1"));
    }

    public void test_store_create() {
        final String sessionId = "test-session-123";

        // Mock CrawlingInfoService
        ComponentUtil.register(new CrawlingInfoService() {
            private CrawlingInfo storedInfo;
            private List<CrawlingInfoParam> storedParams;

        testDir = File.createTempFile("synonymtest", "_dir");
        testDir.delete();
        testDir.mkdirs();
        file1 = new File(testDir, "synonym.txt");
        FileUtil.writeBytes(file1.getAbsolutePath(), "abc=>123\nxyz,890".getBytes(Constants.UTF_8));
    }

    @Override
    public void tearDown() throws Exception {
        super.tearDown();
        FileUtils.deleteDirectory(testDir);
    }

    public void test_init() {

    webServer.enqueue(
      MockResponse
        .Builder()
        .webSocketUpgrade(serverListener)
        .build(),
    )
    val clientReason = repeat('C', 123)
    val serverReason = repeat('S', 123)
    val webSocket: WebSocket = newWebSocket()
    val server = serverListener.assertOpen()
    clientListener.assertOpen()
    webSocket.close(1000, clientReason)

        SID unknownSid = new SID(rpcSid, SID.SID_TYPE_UNKNOWN, null, null, false);
        unknownSid.sub_authority_count = 1;
        unknownSid.sub_authority = new int[] { 123 };
        assertEquals("123", unknownSid.getAccountName());
    }

    /**
     * Test getting the SID type as text.
     */
    @Test
    void testGetTypeText() {
        rpc.sid_t rpcSid = new rpc.sid_t();

    void getTree_acquiresAndReturnsTree() {
        when(cfg.isTraceResourceUsage()).thenReturn(false);
        stubValidTree(7L, true, true);

        SmbFileHandleImpl h = new SmbFileHandleImpl(cfg, 123, tree, "//server/share", 0, 0, 0, 0, 0L);

        SmbTreeHandleImpl t1 = h.getTree();
        SmbTreeHandleImpl t2 = h.getTree();

        assertSame(tree, t1, "Expected same mocked tree");