assertNotNull(results);
    }

    @Test
    public void testConvertWithLongText() throws IOException {
        // Test convert with long text
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < 100; i++) {
            sb.append("word").append(i).append(" ");
        }
        String text = sb.toString();
        String field = "content";

    @Nested
    @DisplayName("Edge Cases")
    class EdgeCaseTests {

        @Test
        @DisplayName("Should handle very long messages")
        void testVeryLongMessage() {
            StringBuilder longMessage = new StringBuilder();
            for (int i = 0; i < 10000; i++) {
                longMessage.append("x");
            }
            String message = longMessage.toString();

    }

    /**
     * Returns the item as a line string.
     *
     * @return The item as a line string.
     */
    public String toLineString() {
        final StringBuilder buf = new StringBuilder(100);
        if (isUpdated()) {
            buf.append(quoteEscape(newToken));
            buf.append(',');
            buf.append(quoteEscape(newSegmentation));
            buf.append(',');

            }
        }
    }

    @Test
    public void test_getSearchEngineHttpAddress_withLongValue() {
        // Test with a very long URL
        StringBuilder longUrl = new StringBuilder("http://");
        for (int i = 0; i < 1000; i++) {
            longUrl.append("a");
        }
        longUrl.append(".example.com:9200");

    }

    @Test
    public void testConvertWithLongText() throws IOException {
        // Test convert with long text
        converter.init();
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < 1000; i++) {
            sb.append("word").append(i).append(" ");
        }
        String text = sb.toString();
        String field = "content";

     * @return cache key string
     */
    protected String getCacheKey(final String seed, final String[] tags, final String[] roles, final String[] fields,
            final String[] excludes) {
        final StringBuilder buf = new StringBuilder(100);
        buf.append(seed).append(CACHE_KEY_SPLITTER);
        stream(tags).of(stream -> stream.sorted().reduce((l, r) -> l + r).ifPresent(v -> buf.append(v)));
        buf.append(CACHE_KEY_SPLITTER);

            final String path = entry.getKey();
            if (servletPath.startsWith(path)) {
                req.setCharacterEncoding(entry.getValue());
                final StringBuilder locationBuf = new StringBuilder(1000);
                final String contextPath = servletContext.getContextPath();
                if (StringUtil.isNotBlank(contextPath) && !"/".equals(contextPath)) {

    }

    @Test
    @DisplayName("Test parameter encoding with long filename")
    void testParameterEncodingWithLongFilename() {
        // Given
        StringBuilder longFilename = new StringBuilder("\\\\server\\share");
        for (int i = 0; i < 100; i++) {
            longFilename.append("\\verylongdirectoryname");
        }

        assertEquals("Root cause", exception.getCause().getCause().getMessage());
    }

    @Test
    public void test_withLongMessage() {
        // Test with a very long message
        StringBuilder longMessage = new StringBuilder();
        for (int i = 0; i < 1000; i++) {
            longMessage.append("Error message part ").append(i).append(" ");
        }
        String message = longMessage.toString();

  String convert(CaseFormat format, String s) {
    // deal with camel conversion
    StringBuilder out = null;
    int i = 0;
    int j = -1;
    while ((j = wordBoundary.indexIn(s, ++j)) != -1) {
      if (i == 0) {
        // include some extra space for separators
        out = new StringBuilder(s.length() + 4 * format.wordSeparator.length());
        out.append(format.normalizeFirstWord(s.substring(i, j)));