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";

    }

    @Test
    public void testCreateSuggestTextIdWithLongText() {
        // Test text that exceeds maximum length after encoding
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < 500; i++) {
            sb.append("0123456789");
        }
        String longText = sb.toString();
        String id = SuggestUtil.createSuggestTextId(longText);

    //                                                                      ==============
    @Override
    protected String doBuildColumnString(String dm) {
        StringBuilder sb = new StringBuilder();
        sb.append(dm).append(available);
        sb.append(dm).append(boost);
        sb.append(dm).append(createdBy);
        sb.append(dm).append(createdTime);

     * @param doc The document.
     * @param code The script code.
     * @return The script.
     */
    public Script createScript(final Map<String, Object> doc, final String code) {
        final StringBuilder buf = new StringBuilder(100);
        buf.append(code);
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String language = DocumentUtil.getValue(doc, fessConfig.getIndexFieldLang(), String.class);

    //                                                                      ==============
    @Override
    protected String doBuildColumnString(String dm) {
        StringBuilder sb = new StringBuilder();
        sb.append(dm).append(available);
        sb.append(dm).append(crawler);
        sb.append(dm).append(createdBy);
        sb.append(dm).append(createdTime);

    }
    reader.close();
    writer.close();

    assertExpectedString(writer.toString());
  }

  public void testCopyTo_appendable() throws IOException {
    StringBuilder builder = new StringBuilder();

    assertEquals(expected.length(), source.copyTo(builder));

    assertExpectedString(builder.toString());
  }

  public void testCopyTo_charSink() throws IOException {

    //                                                                      ==============
    @Override
    protected String doBuildColumnString(String dm) {
        StringBuilder sb = new StringBuilder();
        sb.append(dm).append(accessType);
        sb.append(dm).append(clientIp);
        sb.append(dm).append(hitCount);
        sb.append(dm).append(hitCountRelation);

    @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();

        assertFalse(exception1.getMessage().equals(exception2.getMessage()));
    }

    public void test_longMessage() {
        // Test with very long message
        StringBuilder longMessage = new StringBuilder();
        for (int i = 0; i < 1000; i++) {
            longMessage.append("LDAP error ").append(i).append(" ");
        }
        String message = longMessage.toString();

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

    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();