/* use AbstractService for state management */
  private final Service delegate =
      new AbstractService() {
        @Override
        protected final void doStart() {
          Executor executor = renamingDecorator(executor(), () -> serviceName());
          executor.execute(
              () -> {
                try {
                  startUp();
                  notifyStarted();

@GwtIncompatible
@J2ktIncompatible
public class ExecutionSequencerTest extends TestCase {

  ExecutorService executor;

  private ExecutionSequencer serializer;
  private SettableFuture<@Nullable Void> firstFuture;
  private TestCallable firstCallable;

  @Override
  public void setUp() throws Exception {
    executor = newCachedThreadPool();
    serializer = ExecutionSequencer.create();
    firstFuture = SettableFuture.create();

      boolean allMustSucceed,
      Executor listenerExecutor,
      AsyncCallable<V> callable) {
    super(futures, allMustSucceed, false);
    this.task = new AsyncCallableInterruptibleTask(callable, listenerExecutor);
    init();
  }

  CombinedFuture(
      ImmutableCollection<? extends ListenableFuture<?>> futures,
      boolean allMustSucceed,
      Executor listenerExecutor,
      Callable<V> callable) {

      assertEquals(Service.State.STOPPING, state());
      shutdownCalled++;
    }

    @Override
    protected Executor executor() {
      return executor;
    }

    @Override
    public void tearDown() throws Exception {
      executor.shutdown();
    }
  }

    SettableFuture<?> future = SettableFuture.create();
    Executor delegate =
        new Executor() {
          @Override
          public void execute(Runnable task) {
            if (future.set(null)) {
              awaitUninterruptibly(latch);
            }
            throw new RejectedExecutionException();
          }
        };
    SequentialExecutor executor = new SequentialExecutor(delegate);

  }

  public void testNoOpScheduledExecutorShutdown() {
    ListeningScheduledExecutorService executor = TestingExecutors.noOpScheduledExecutor();
    assertFalse(executor.isShutdown());
    assertFalse(executor.isTerminated());
    executor.shutdown();
    assertTrue(executor.isShutdown());
    assertTrue(executor.isTerminated());
  }

  }

  public void testNoOpScheduledExecutorShutdown() {
    ListeningScheduledExecutorService executor = TestingExecutors.noOpScheduledExecutor();
    assertFalse(executor.isShutdown());
    assertFalse(executor.isTerminated());
    executor.shutdown();
    assertTrue(executor.isShutdown());
    assertTrue(executor.isTerminated());
  }

   *
   * @param listener the listener to run when the computation is complete
   * @param executor the executor to run the listener in
   * @throws RejectedExecutionException if we tried to execute the listener immediately but the
   *     executor rejected it.
   */
  void addListener(Runnable listener, Executor executor);

    c1.enqueue(callback)
    c2.enqueue(callback)
    c1.cancel()
    executor.assertJobs("http://a/1")
    executor.finishJob("http://a/1")
    executor.assertJobs("http://a/2")
  }

  @Test
  fun asyncCallAccessors() {
    dispatcher.maxRequests = 3
    val a1 = client.newCall(newRequest("http://a/1"))
    val a2 = client.newCall(newRequest("http://a/2"))

    ExecutorService executor = newFixedThreadPool(1);
    requestInterruptIn(500);
    executor.execute(new SleepTask(1000));
    executor.shutdown();
    assertTrue(awaitTerminationUninterruptibly(executor, LONG_DELAY_MS, MILLISECONDS));
    assertTrue(executor.isTerminated());
    assertInterrupted();
  }

  public void testTryAwaitTerminationUninterruptiblyLongTimeUnit_failure() {
    ExecutorService executor = newFixedThreadPool(1);