AtomicBoolean interruptedExceptionThrown = new AtomicBoolean();
    CountDownLatch enterLatch = new CountDownLatch(1);
    CountDownLatch exitLatch = new CountDownLatch(1);
    TrustedListenableFutureTask<Integer> task =
        TrustedListenableFutureTask.create(
            () -> {
              enterLatch.countDown();
              try {
                new CountDownLatch(1).await(); // wait forever
                throw new AssertionError();

  public void testRunOnPopulatedList() throws Exception {
    Executor exec = newCachedThreadPool();
    CountDownLatch countDownLatch = new CountDownLatch(3);
    list.add(new MockRunnable(countDownLatch), exec);
    list.add(new MockRunnable(countDownLatch), exec);
    list.add(new MockRunnable(countDownLatch), exec);
    assertEquals(3L, countDownLatch.getCount());

    list.execute();

        int numThreads = 8;
        int eventsPerThread = 200;
        ExecutorService executor = Executors.newFixedThreadPool(numThreads);
        CountDownLatch startLatch = new CountDownLatch(1);
        CountDownLatch doneLatch = new CountDownLatch(numThreads);
        AtomicInteger totalDrained = new AtomicInteger(0);

        for (int t = 0; t < numThreads; t++) {
            final int threadId = t;

  public void testRunOnPopulatedList() throws Exception {
    Executor exec = newCachedThreadPool();
    CountDownLatch countDownLatch = new CountDownLatch(3);
    list.add(new MockRunnable(countDownLatch), exec);
    list.add(new MockRunnable(countDownLatch), exec);
    list.add(new MockRunnable(countDownLatch), exec);
    assertEquals(3L, countDownLatch.getCount());

    list.execute();

    assertTrue(successLatch.await(200, MILLISECONDS));

    latch.countDown();
  }

  public void testListenersNotifiedOnError() throws Exception {
    CountDownLatch successLatch = new CountDownLatch(1);
    CountDownLatch listenerLatch = new CountDownLatch(1);

    ExecutorService exec = newCachedThreadPool();

    future.addListener(listenerLatch::countDown, exec);

    new Thread(
            () -> {

    AtomicBoolean interruptedExceptionThrown = new AtomicBoolean();
    CountDownLatch enterLatch = new CountDownLatch(1);
    CountDownLatch exitLatch = new CountDownLatch(1);
    TrustedListenableFutureTask<Integer> task =
        TrustedListenableFutureTask.create(
            () -> {
              enterLatch.countDown();
              try {
                new CountDownLatch(1).await(); // wait forever
                throw new AssertionError();

  // Regression test for a deadlock where a task could be stuck busy waiting for the task to
  // transition to DONE
  public void testInterruptThrows() throws Exception {
    CountDownLatch isInterruptibleRegistered = new CountDownLatch(1);
    SettableFuture<String> taskResult = SettableFuture.create();
    InterruptibleTask<String> task =
        new InterruptibleTask<String>() {
          @Override

  // Regression test for a deadlock where a task could be stuck busy waiting for the task to
  // transition to DONE
  public void testInterruptThrows() throws Exception {
    CountDownLatch isInterruptibleRegistered = new CountDownLatch(1);
    SettableFuture<String> taskResult = SettableFuture.create();
    InterruptibleTask<String> task =
        new InterruptibleTask<String>() {
          @Override

    assertTrue(successLatch.await(200, MILLISECONDS));

    latch.countDown();
  }

  public void testListenersNotifiedOnError() throws Exception {
    CountDownLatch successLatch = new CountDownLatch(1);
    CountDownLatch listenerLatch = new CountDownLatch(1);

    ExecutorService exec = newCachedThreadPool();

    future.addListener(listenerLatch::countDown, exec);

    new Thread(
            () -> {

@GwtIncompatible
@J2ktIncompatible
public class ListenableFutureTaskTest extends TestCase {

  private ExecutorService exec;

  private final CountDownLatch runLatch = new CountDownLatch(1);
  private final CountDownLatch taskLatch = new CountDownLatch(1);
  private final CountDownLatch listenerLatch = new CountDownLatch(1);

  private volatile boolean throwException = false;

  private final ListenableFutureTask<Integer> task =