final StringBuilder textBuilder = new StringBuilder();

        // Add headers to text
        if (headers != null) {
            textBuilder.append(String.join(fieldSeparator, headers)).append(lineSeparator);
        }

        // Add rows to text
        for (final String[] row : rows) {
            if (headers != null && headers.length > 0) {

                    done.set(true);
                }
            }, Thread.currentThread().getName() + "-pdf");
            task.setDaemon(isDaemonThread);
            task.start();
            task.join(timeout);
            if (!done.get()) {
                for (int i = 0; i < 100 && !done.get(); i++) {
                    task.interrupt();
                    ThreadUtil.sleep(100L);
                }

        client.admin().indices().prepareDelete(indexName).execute().actionGet();
        suggester.shutdown();
    }

    /**
     * Test getIndicesForAlias method with non-existing alias.
     * Verifies that the method returns an empty list for non-existing alias.
     */
    @Test
    @SuppressWarnings("unchecked")
    public void testGetIndicesForAlias_nonExistingAlias() throws Exception {

                }
            });
        }

        for (Thread th : threads) {
            th.start();
        }
        for (Thread th : threads) {
            th.join();
        }
        assertEquals(num, count.get());
        assertEquals(num, valueSet.size());

        Set<String> valueSet2 = Collections.synchronizedSet(new HashSet<>());
        threads = new Thread[threadNum];

        }
        for (int i = 0; i < crawlerContext.numOfThread; i++) {
            threads[i].start();
        }

        // join
        for (int i = 0; i < crawlerContext.numOfThread; i++) {
            try {
                threads[i].join();
            } catch (final InterruptedException e) {

labels.error_title=Errore
labels.system_error_title=Errore di sistema
labels.contact_site_admin=Contatta l'amministratore del sito.
labels.request_error_title=Formato richiesta non valido.
labels.bad_request=La richiesta all'URL non è valida.
labels.page_not_found_title=Pagina non trovata.
labels.check_url=Controlla l'URL.
labels.user_name=Nome utente
labels.login=Accedi
labels.login.placeholder_username=Nome utente

                assertEquals("Mismatch at position " + i, data[i], readBuffer[i]);
            }
        }
    }

    public void test_fileNotFoundException() {
        // Test with non-existent file
        File nonExistentFile = new File("/tmp/non-existent-file-" + System.currentTimeMillis() + ".tmp");

        try {
            new TemporaryFileInputStream(nonExistentFile);
            fail("Should throw FileNotFoundException");

                    name = null;
                } else if (values.length == 2) {
                    parent = "/";
                    name = values[1];
                } else {
                    parent = StringUtils.join(values, "/", 0, values.length - 1);
                    name = values[values.length - 1];
                }
            }
        }

        /**

            cmdList.add(StringUtils.join(webConfigIds, ','));
        }
        if (fileConfigIds != null && fileConfigIds.length > 0) {
            cmdList.add("-f");
            cmdList.add(StringUtils.join(fileConfigIds, ','));
        }
        if (dataConfigIds != null && dataConfigIds.length > 0) {
            cmdList.add("-d");
            cmdList.add(StringUtils.join(dataConfigIds, ','));
        }

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        extractor = new TestExtractor();
    }

    /**
     * Test that validateInputStream accepts non-null input streams.
     */
    public void test_validateInputStream_acceptsNonNullStream() {
        final InputStream in = new ByteArrayInputStream(new byte[0]);

        // Should not throw exception