if (thumbnailPath != null) {
            baseDir = new File(thumbnailPath);
        } else {
            final String varPath = System.getProperty(Constants.FESS_VAR_PATH);
            if (varPath != null) {
                baseDir = new File(varPath, THUMBNAILS_DIR_NAME);
            } else {
                baseDir = ResourceUtil.getThumbnailPath().toFile();

    super.setUp();

    emptyAccumulator = new StatsAccumulator();

    emptyAccumulatorByAddAllEmptyIterable = new StatsAccumulator();
    emptyAccumulatorByAddAllEmptyIterable.addAll(ImmutableList.<Double>of());

    emptyAccumulatorByAddAllEmptyStats = new StatsAccumulator();
    emptyAccumulatorByAddAllEmptyStats.addAll(Stats.of());

    oneValueAccumulator = new StatsAccumulator();
    oneValueAccumulator.add(ONE_VALUE);

      @Override
      public Checksum get() {
        return new CRC32();
      }
    },
    ADLER_32("Hashing.adler32()") {
      @Override
      public Checksum get() {
        return new Adler32();
      }
    };

    public final HashFunction hashFunction;

    ChecksumType(String toString) {
      this.hashFunction = new ChecksumHashFunction(this, 32, toString);
    }
  }

  /**

    void testGetInputStream() throws Exception {
        StringSource source = new StringSource("Hello World!");

        try (InputStream is = source.getInputStream();
                Scanner scanner = new Scanner(is)) {
            assertEquals("Hello World!", scanner.nextLine());
        }
    }

    @Test
    void testGetLocation() {
        StringSource source = new StringSource("Hello World!");

    private final GenerationListener listener = new DefaultGenerationListener();
    private final ClassDescriptionRenderer descriptionRenderer = new ClassDescriptionRenderer();
    private final List<ClassDocMemberRenderer> memberRenderers = new ArrayList<ClassDocMemberRenderer>();

    public ClassDocRenderer(LinkRenderer linkRenderer) {
        memberRenderers.add(new PropertiesRenderer(linkRenderer, listener));

        DataConfigCQ cq = new DataConfigCQ();
        if (queryLambda != null) {
            queryLambda.callback(cq);
        }
        FilterAggregationBuilder builder = regFilterA(name, cq.getQuery());
        if (opLambda != null) {
            opLambda.callback(builder);
        }
        if (aggsLambda != null) {
            DataConfigCA ca = new DataConfigCA();
            aggsLambda.callback(ca);

        AccessTokenCQ cq = new AccessTokenCQ();
        if (queryLambda != null) {
            queryLambda.callback(cq);
        }
        FilterAggregationBuilder builder = regFilterA(name, cq.getQuery());
        if (opLambda != null) {
            opLambda.callback(builder);
        }
        if (aggsLambda != null) {
            AccessTokenCA ca = new AccessTokenCA();
            aggsLambda.callback(ca);

        JobLogCQ cq = new JobLogCQ();
        if (queryLambda != null) {
            queryLambda.callback(cq);
        }
        FilterAggregationBuilder builder = regFilterA(name, cq.getQuery());
        if (opLambda != null) {
            opLambda.callback(builder);
        }
        if (aggsLambda != null) {
            JobLogCA ca = new JobLogCA();
            aggsLambda.callback(ca);

        CommonPoolUtil.execute(() -> {
            try (Reader reader = new BufferedReader(new InputStreamReader(form.badWordFile.getInputStream(), getCsvEncoding()))) {
                badWordService.importCsv(reader);
                suggestHelper.storeAllBadWords(false);
            } catch (final Exception e) {
                throw new FessSystemException("Failed to import data.", e);
            }
        });

            Authenticator.setDefault(new Authenticator() {
                @Override
                protected PasswordAuthentication getPasswordAuthentication() {
                    return new PasswordAuthentication(username, password);
                }
            });
        }
        URL website = new URL(urlString);
        ReadableByteChannel rbc;