result = KuromojiCSVUtil.parse(value);
        assertEquals(3, result.length);
        assertEquals("quoted", result[0]);
        assertEquals("unquoted", result[1]);
        assertEquals("\"another quoted\"", result[2]);
    }

    @Test
    public void test_parse_escaped_quotes() {
        String value;
        String[] result;

            return "^" + Pattern.quote(s.substring(1, s.length() - 1)) + "$";
        }
        if (s.startsWith("^")) {
            return "^" + Pattern.quote(s.substring(1));
        }
        if (s.endsWith("$")) {
            return Pattern.quote(s.substring(0, s.length() - 1)) + "$";
        }
        return Pattern.quote(s);
    }

    /**

        // Test toString with special characters
        String name = "special[]param";
        String[] values = { "[value]", ",comma,", "quote\"test" };
        RequestParameter param = new RequestParameter(name, values);

        String expected = "[special[]param, [[value], ,comma,, quote\"test]]";
        assertEquals(expected, param.toString());
    }

    @Test
    public void test_immutability() {

        discloser.setSubject("Test \"Subject\" with 'quotes'");
        discloser.setPlainText("Test content with\nnewlines and\ttabs");

        String result = notificationHelper.toSlackMessage(discloser);

        assertNotNull(result);
        assertTrue(result.contains("Test"));
        assertTrue(result.contains("Subject"));
        assertTrue(result.contains("quotes"));
        assertTrue(result.contains("content"));

        result = jobExecutor.execute("test", "script with \"quotes\"");
        assertEquals("Executed: test script with \"quotes\"", result);

        result = jobExecutor.execute("test", "script with 'single quotes'");
        assertEquals("Executed: test script with 'single quotes'", result);
    }

    @Test
    public void test_execute_longScript() {

        }
        source = source.replaceAll(Pattern.quote("${fess.dictionary.path}"), dictionaryPath)//
                .replaceAll(Pattern.quote("${fess.index.codec}"), fessConfig.getIndexCodec())//
                .replaceAll(Pattern.quote("${fess.index.number_of_shards}"), numberOfShards)//
                .replaceAll(Pattern.quote("${fess.index.auto_expand_replicas}"), autoExpandReplicas);

    public void test_append_stringWithSpecialChars() {
        StringBuilder buf = new StringBuilder();
        Supplier<Object> supplier = () -> "test \"quotes\" and \n newline";

        monitorTarget.append(buf, "specialKey", supplier);
        assertEquals("\"specialKey\":\"test \\\"quotes\\\" and \\n newline\"", buf.toString());
    }

    // Test append method with String containing backslash
    @Test

    }

    @Test
    public void test_sourceTitles_emptyTitles() {
        final ChatMessage msg = ChatMessage.assistantMessage("Some content here that is quite long enough to be truncated.");
        final Map<String, Object> doc = new HashMap<>();
        doc.put("title", "");
        doc.put("url", "http://example.com/1");
        msg.addSource(new ChatSource(1, doc));

        }
    }

    @Test
    public void test_complex_query_strings() {
        // Test various complex query strings
        String[] queryStrings = { "title:test", "content:\"quoted value\"", "field:value AND other:value", "field:value OR other:value",
                "field:[1 TO 100]", "field:value*", "field:?value", "field:~value", "field:value^2", "タイトル:テスト", "标题:测试", "제목:테스트" };

            if (excludedUrlList != null) {
                excludedUrlList.stream().filter(StringUtil::isNotBlank).map(String::trim).distinct().forEach(u -> {
                    final String urlValue = Pattern.quote(u);
                    crawler.addExcludeFilter(urlValue);
                    if (logger.isInfoEnabled()) {
                        logger.info("Excluded URL from failures: {}", urlValue);
                    }