* is complete. It does so by using daemon threads and adding a shutdown hook to wait for their
   * completion.
   *
   * <p>This is mainly for fixed thread pools. See {@link Executors#newFixedThreadPool(int)}.
   *
   * @param executor the executor to modify to make sure it exits when the application is finished

        jvmMemoryNonHeapObj.used = mem.getNonHeapUsed().getBytes();
        jvmMemoryNonHeapObj.committed = mem.getNonHeapCommitted().getBytes();
        final List<BufferPool> bufferPools = jvmStats.getBufferPools();
        jvmObj.pools = bufferPools.stream().map(p -> {
            final JvmPoolObj jvmPoolObj = new JvmPoolObj();
            jvmPoolObj.key = p.getName();
            jvmPoolObj.count = p.getCount();

        append(buf, "committed", () -> mem.getNonHeapCommitted().getBytes());
        buf.append('}');
        buf.append("},");
        final List<BufferPool> bufferPools = jvmStats.getBufferPools();
        buf.append("\"pools\":{");
        buf.append(bufferPools.stream().map(p -> {
            final StringBuilder b = new StringBuilder();
            b.append('"').append(StringEscapeUtils.escapeJson(p.getName())).append("\":{");

@RunWith(JUnit4.class)

public final class NetworkMutationTest {
  private static final int NUM_TRIALS = 5;
  private static final int NUM_NODES = 20;
  private static final int NUM_EDGES = 100;
  private static final int NODE_POOL_SIZE = 1000; // must be >> NUM_NODES

  @Test
  public void directedNetwork() {
    testNetworkMutation(NetworkBuilder.directed());
  }

  @Test
  public void undirectedNetwork() {

   * Returns the string representation of an {@link InetAddress}.
   *
   * <p>For IPv4 addresses, this is identical to {@link InetAddress#getHostAddress()}, but for IPv6
   * addresses, the output follows <a href="http://tools.ietf.org/html/rfc5952">RFC 5952</a> section
   * 4. The main difference is that this method uses "::" for zero compression, while Java's version
   * uses the uncompressed form.
   *

    private static final String DEFAULT_TESTDATA_PATH = "/tmp/fess-testdata";
    private static final String CRAWL_LABEL = NAME_PREFIX + "_label";
    private static final String TEST_LABEL = "tools";
    private static String fileConfigId;
    private static String labelId;
    private static String crawlLabelId;

    @BeforeAll
    protected static void initAll() {
        RestAssured.baseURI = getFessUrl();

    /** The key of the configuration. e.g. groovy */
    String CRAWLER_DEFAULT_SCRIPT = "crawler.default.script";

    /** The key of the configuration. e.g. 0 */
    String CRAWLER_HTTP_thread_pool_SIZE = "crawler.http.thread_pool.size";

    /** The key of the configuration. e.g. 100 */
    String CRAWLER_DOCUMENT_MAX_SITE_LENGTH = "crawler.document.max.site.length";

    /** The key of the configuration. e.g. UTF-8 */

        final ForkJoinPool pool = new ForkJoinPool(10);
        for (int i = 0; i < 1000; i++) {
            pool.execute(() -> {
                assertEquals(result, crawlingInfoHelper.generateId(dataMap));
                counter.incrementAndGet();
            });
        }
        pool.shutdown();
        pool.awaitTermination(10, TimeUnit.SECONDS);

                            result = new Result(null, null, e);
                        } finally {
                            pool.shutdown();
                        }
                        return true;
                    }
                };
                pool.submit(task);
                return task;
            });
            result = future.get();
        } catch (Exception e) {

      Thread.yield();
      long d = ns - (System.nanoTime() - startTime);
      if (d > 0L) millis = d / (1000 * 1000);
      else break;
    }
  }

  /** Waits out termination of a thread pool or fails doing so. */
  void joinPool(ExecutorService exec) {
    try {
      exec.shutdown();
      assertTrue(
          "ExecutorService did not terminate in a timely manner",