return executor;
  }

  @Benchmark
  int timeUncontendedExecute(int reps) {
    Executor executor = this.executor;
    CountingRunnable countingRunnable = this.countingRunnable;
    for (int i = 0; i < reps; i++) {
      executor.execute(countingRunnable);
    }
    return countingRunnable.integer.get();
  }

  @Benchmark
  int timeContendedExecute(int reps) {
    Executor executor = this.executor;

  }

  public void testListenLaterSetAsynchronouslyLaterDelegateCancelled() {
    CountingRunnable before = new CountingRunnable();
    CountingRunnable inBetween = new CountingRunnable();
    CountingRunnable after = new CountingRunnable();

    future.addListener(before, directExecutor());
    future.setFuture(delegate);
    future.addListener(inBetween, directExecutor());
    delegate.cancel(false);

  }

  public void testListenLaterSetAsynchronouslyLaterDelegateCancelled() {
    CountingRunnable before = new CountingRunnable();
    CountingRunnable inBetween = new CountingRunnable();
    CountingRunnable after = new CountingRunnable();

    future.addListener(before, directExecutor());
    future.setFuture(delegate);
    future.addListener(inBetween, directExecutor());
    delegate.cancel(false);

      joinPool(e);
    }
  }

  private static void assertListenerRunImmediately(ListenableFuture<?> future) {
    CountingRunnable listener = new CountingRunnable();
    future.addListener(listener, directExecutor());
    assertEquals(1, listener.count);
  }

  private static final class CountingRunnable implements Runnable {
    int count;

    @Override
    public void run() {
      count++;
    }
  }

      joinPool(e);
    }
  }

  private static void assertListenerRunImmediately(ListenableFuture<?> future) {
    CountingRunnable listener = new CountingRunnable();
    future.addListener(listener, directExecutor());
    assertEquals(1, listener.count);
  }

  private static final class CountingRunnable implements Runnable {
    int count;

    @Override
    public void run() {
      count++;
    }
  }