public static boolean equal(File file1, File file2) throws IOException {
    checkNotNull(file1);
    checkNotNull(file2);
    if (file1 == file2 || file1.equals(file2)) {
      return true;
    }

    /*
     * Some operating systems may return zero as the length for files denoting system-dependent
     * entities such as devices or pipes, in which case we must fall back on comparing the bytes
     * directly.
     */

        crawlJob.fileConfigIds(new String[] { "file1" });
        crawlJob.dataConfigIds(new String[] { "data1", "data2", "data3" });

        String result = crawlJob.execute();

        assertNotNull(result);
        assertTrue(result.contains("Web  Config Id: web1 web2"));
        assertTrue(result.contains("File Config Id: file1"));
        assertTrue(result.contains("Data Config Id: data1 data2 data3"));

        Crawler.Options options = new Crawler.Options();
        options.fileConfigIds = "file1,file2";

        List<String> result = options.getFileConfigIdList();
        assertNotNull(result);
        assertEquals(2, result.size());
        assertTrue(result.contains("file1"));
        assertTrue(result.contains("file2"));
    }

    public void test_Options_getFileConfigIdList_withSingleId() {

  public static boolean equal(File file1, File file2) throws IOException {
    checkNotNull(file1);
    checkNotNull(file2);
    if (file1 == file2 || file1.equals(file2)) {
      return true;
    }

    /*
     * Some operating systems may return zero as the length for files denoting system-dependent
     * entities such as devices or pipes, in which case we must fall back on comparing the bytes
     * directly.
     */

      |--AaB03x
      |Content-Disposition: form-data; name="files"
      |Content-Type: multipart/mixed; boundary=BbC04y
      |
      |--BbC04y
      |Content-Disposition: file; filename="file1.txt"
      |Content-Type: text/plain; charset=utf-8
      |
      |... contents of file1.txt ...
      |--BbC04y
      |Content-Disposition: file; filename="file2.gif"
      |Content-Transfer-Encoding: binary

      (d) If the Work includes a "NOTICE" text file as part of its
          distribution, then any Derivative Works that You distribute must
          include a readable copy of the attribution notices contained
          within such NOTICE file, excluding those notices that do not
          pertain to any part of the Derivative Works, in at least one
          of the following places: within a NOTICE text file distributed

      (d) If the Work includes a "NOTICE" text file as part of its
          distribution, then any Derivative Works that You distribute must
          include a readable copy of the attribution notices contained
          within such NOTICE file, excluding those notices that do not
          pertain to any part of the Derivative Works, in at least one
          of the following places: within a NOTICE text file distributed

      (d) If the Work includes a "NOTICE" text file as part of its
          distribution, then any Derivative Works that You distribute must
          include a readable copy of the attribution notices contained
          within such NOTICE file, excluding those notices that do not
          pertain to any part of the Derivative Works, in at least one
          of the following places: within a NOTICE text file distributed

      (d) If the Work includes a "NOTICE" text file as part of its
          distribution, then any Derivative Works that You distribute must
          include a readable copy of the attribution notices contained
          within such NOTICE file, excluding those notices that do not
          pertain to any part of the Derivative Works, in at least one
          of the following places: within a NOTICE text file distributed

        // Create a temporary file for testing
        Path tempFile = Files.createTempFile("test-thread-dump", ".txt");

        try {
            ThreadDumpUtil.writeThreadDump(tempFile.toString());

            // Verify the file was created and contains content
            assertTrue("Thread dump file should exist", Files.exists(tempFile));
            assertTrue("Thread dump file should not be empty", Files.size(tempFile) > 0);