write(out, data, 0, 100, true);
    final File file = out.getFile();
    assertEquals(100, file.length());
    assertTrue(file.exists());
    out.close();

    // Make sure that finalize deletes the file
    out = null;

    // times out and throws RuntimeException on failure
    GcFinalization.awaitDone(
        new GcFinalization.FinalizationPredicate() {
          @Override

    write(out, data, 0, 100, true);
    final File file = out.getFile();
    assertEquals(100, file.length());
    assertTrue(file.exists());
    out.close();

    // Make sure that finalize deletes the file
    out = null;

    // times out and throws RuntimeException on failure
    GcFinalization.awaitDone(
        new GcFinalization.FinalizationPredicate() {
          @Override

        assertEquals(
            "contents of directory " + path + " not deleted with delete method " + this,
            0,
            MoreFiles.listFiles(path).size());
      }
    },
    DELETE_RECURSIVELY {
      @Override
      public void delete(Path path, RecursiveDeleteOption... options) throws IOException {
        MoreFiles.deleteRecursively(path, options);
      }

   *
   * <p>In contrast, {@code multisetToModify.retainAll(multisetToRetain)} keeps all occurrences of
   * elements that appear at all in {@code multisetToRetain}, and deletes all occurrences of all
   * other elements.
   *
   * @return {@code true} if {@code multisetToModify} was changed as a result of this operation
   * @since 10.0
   */
  @CanIgnoreReturnValue

        return next;
      }

      @Override
      public String toString() {
        return "Iterators.consumingIterator(...)";
      }
    };
  }

  /**
   * Deletes and returns the next value from the iterator, or returns {@code null} if there is no
   * such value.
   */
  @CheckForNull
  static <T extends @Nullable Object> T pollNext(Iterator<T> iterator) {

        memory = new MemoryOutput();
      } else {
        memory.reset();
      }
      out = memory;
      if (file != null) {
        File deleteMe = file;
        file = null;
        if (!deleteMe.delete()) {
          throw new IOException("Could not delete: " + deleteMe);
        }
      }
    }
  }

  @Override
  public synchronized void write(int b) throws IOException {
    update(1);

    assertTrue("ByteBuffers should be equal.", expected.equals(actual));
  }

  public void testMap_noSuchFile() throws IOException {
    // Setup
    File file = createTempFile();
    boolean deleted = file.delete();
    assertTrue(deleted);

    // Test
    assertThrows(FileNotFoundException.class, () -> Files.map(file));
  }

  public void testMap_readWrite() throws IOException {
    // Test data
    int size = 1024;

    /** The key of the message: Deleted failure urls. */
    public static final String SUCCESS_failure_url_delete_all = "{success.failure_url_delete_all}";

    /** The key of the message: Deleted {0} file. */
    public static final String SUCCESS_delete_file = "{success.delete_file}";

    /** The key of the message: Started job {0}. */

        try {
            urlFilterService.delete(sessionId);
        } catch (final Exception e) {
            logger.warn("Failed to delete url filters: {}", sessionId, e);
        }
        try {
            urlQueueService.delete(sessionId);
        } catch (final Exception e) {
            logger.warn("Failed to delete url queues: {}", sessionId, e);
        }
        try {

        }

        final List<Map<String, Object>> afterList = readJobLog(NAME_PREFIX);
        assertEquals(0, afterList.size()); // check if logs are successfully deleted
    }

    /**
     * Test for CrawlingInfo
     * */
    private void testReadCrawlingInfo() {
        final List<Map<String, Object>> logList = readCrawlingInfo(webConfigId);