Thread interrupter =
        new Thread("Interrupter") {
          @Override
          public void run() {
            task.interruptTask();
          }
        };
    interrupter.start();
    // this will happen once the interrupt has been set which means that
    // 1. the runner has been woken up
    // 2. the interrupter is stuck in the call the Thread.interrupt()

    Thread interrupter =
        new Thread("Interrupter") {
          @Override
          public void run() {
            task.interruptTask();
          }
        };
    interrupter.start();
    // this will happen once the interrupt has been set which means that
    // 1. the runner has been woken up
    // 2. the interrupter is stuck in the call the Thread.interrupt()

  private static final class Interruptenator implements Runnable {
    private final long everyMillis;
    private final Thread interruptee;
    private volatile boolean shouldStop = false;

    Interruptenator(Thread interruptee, long everyMillis) {
      this.everyMillis = everyMillis;
      this.interruptee = interruptee;
    }

    @Override
    public void run() {
      while (true) {
        try {

  private static final class Interruptenator implements Runnable {
    private final long everyMillis;
    private final Thread interruptee;
    private volatile boolean shouldStop = false;

    Interruptenator(Thread interruptee, long everyMillis) {
      this.everyMillis = everyMillis;
      this.interruptee = interruptee;
    }

    @Override
    public void run() {
      while (true) {
        try {

    Interruptenator(final Thread interruptee) {
      this(interruptee, new AtomicBoolean(false));
    }

    Interruptenator(final Thread interruptee, final AtomicBoolean shutdown) {
      super(
          new Runnable() {
            @Override
            public void run() {
              while (!shutdown.get()) {
                interruptee.interrupt();
                Thread.yield();

    final AtomicBoolean shutdown;

    Interruptenator(final Thread interruptee) {
      this(interruptee, new AtomicBoolean(false));
    }

    Interruptenator(final Thread interruptee, final AtomicBoolean shutdown) {
      super(
          new Runnable() {
            public void run() {
              while (!shutdown.get()) {
                interruptee.interrupt();
                Thread.yield();
              }

    assertFalse(Thread.interrupted());
    try {
      delayedFuture.get(20000, TimeUnit.MILLISECONDS);
      fail("expected to be interrupted");
    } catch (InterruptedException expected) {
    } catch (TimeoutException e) {
      throw new RuntimeException(e);
    }

    // we were interrupted, but it's been cleared now
    assertFalse(Thread.interrupted());

    assertFalse(sleeper.completed);

    assertFalse(Thread.interrupted());
    try {
      delayedFuture.get(20000, TimeUnit.MILLISECONDS);
      fail("expected to be interrupted");
    } catch (InterruptedException expected) {
    } catch (TimeoutException e) {
      throw new RuntimeException(e);
    }

    // we were interrupted, but it's been cleared now
    assertFalse(Thread.interrupted());

    assertFalse(sleeper.completed);

                }
                Thread.sleep(1000L);
            }
        } catch (final InterruptedException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Interrupted.", e);
            }
        } finally {
            if (logger.isDebugEnabled()) {
                logger.debug("TimeoutManagerThread stopped.");
            }
            thread = null;
            try {

  }

  @J2ktIncompatible
  @GwtIncompatible // Thread.interrupt
  public void testGetUnchecked_interrupted() {
    Thread.currentThread().interrupt();
    try {
      assertEquals("foo", getUnchecked(immediateFuture("foo")));
      assertTrue(Thread.currentThread().isInterrupted());
    } finally {
      Thread.interrupted();
    }
  }

  public void testGetUnchecked_cancelled() {