for (int j = 0; j < operationsPerThread; j++) {
                            crawlerContext.incrementAndGetAccessCount();
                        }
                    } catch (InterruptedException e) {
                        Thread.currentThread().interrupt();
                    } finally {
                        endLatch.countDown();
                    }
                }
            });

  }

  @ParametricNullness
  @SuppressWarnings("nullness") // TODO(b/147136275): Remove once our checker understands & and |.
  final V blockingGet() throws InterruptedException, ExecutionException {
    if (Thread.interrupted()) {
      throw new InterruptedException();
    }
    @RetainedLocalRef Object localValue = valueField;
    if (localValue != null & notInstanceOfDelegatingToFuture(localValue)) {

  }

  public void testExecute_idempotentConcurrently() throws InterruptedException {
    CountDownLatch okayToRun = new CountDownLatch(1);
    AtomicInteger runCalled = new AtomicInteger();
    list.add(
        new Runnable() {
          @Override
          public void run() {
            try {
              okayToRun.await();
            } catch (InterruptedException e) {
              Thread.currentThread().interrupt();

      assertFalse(shutDownCalled);
      runCalled = true;
      assertEquals(State.RUNNING, state());

      enterRun.countDown();
      try {
        exitRun.await();
      } catch (InterruptedException e) {
        throw new RuntimeException(e);
      }
    }

    @Override
    protected void shutDown() {
      assertTrue(startUpCalled);
      assertTrue(runCalled);

  private volatile boolean completed = false;

  @Override
  public void setUp() {
    builder = new ThreadFactoryBuilder();
  }

  public void testThreadFactoryBuilder_defaults() throws InterruptedException {
    ThreadFactory threadFactory = builder.build();
    Thread thread = threadFactory.newThread(monitoredRunnable);
    checkThreadPoolName(thread, 1);

    assertTrue(future.isDone());
    assertFalse(future.isCancelled());
  }

  /** Tests that the {@link Future#get(long, TimeUnit)} method times out correctly. */
  public void testTimeoutOnGetWorksCorrectly() throws InterruptedException, ExecutionException {

    // The task thread waits for the latch, so we expect a timeout here.
    try {
      future.get(20, MILLISECONDS);
      fail("Should have timed out trying to get the value.");

            @Override
            protected ResponseData getResponseData(final String uri, final boolean includeContent) {
                try {
                    Thread.sleep(2000);
                } catch (InterruptedException e) {
                    throw new CrawlingAccessException(e);
                }
                return null;
            }
        };
        client.setAccessTimeout(1);
        try {

      .isNotNull()
      .matchesPredicate { it is InterruptedException || it is RejectedExecutionException }
    assertThat(clientTestRule.takeUncaughtException())
      .matchesPredicate { it == null || it is RejectedExecutionException }
  }

  private fun sleep(delayMillis: Int) {
    try {
      Thread.sleep(delayMillis.toLong())
    } catch (e: InterruptedException) {
      Thread.currentThread().interrupt()
    }
  }

        int result = -1;

        synchronized (lock) {
            try {
                while (used == 0) {
                    lock.wait();
                }
            } catch (final InterruptedException ie) {
                throw new IOException(ie.getMessage());
            }
            result = pipe_buf[beg_idx] & 0xFF;
            beg_idx = (beg_idx + 1) % pipe_buf.length;
        }
        return result;

                try {
                    startLatch.await();
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }

                // wait for all thread to end
                try {
                    endLatch.await();
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }