* <p>Exceptions thrown by a listener will be propagated up to the executor. Any exception thrown
 * during {@code Executor.execute} (e.g., a {@code RejectedExecutionException} or an exception
 * thrown by {@linkplain MoreExecutors#directExecutor direct execution}) will be caught and logged.
 *
 * @author Nishant Thakkar
 * @author Sven Mawson
 * @since 1.0
 */
@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault

import static com.google.common.truth.Truth.assertThat;
import static com.google.common.util.concurrent.AbstractScheduledService.Scheduler.newFixedDelaySchedule;
import static com.google.common.util.concurrent.MoreExecutors.directExecutor;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.NANOSECONDS;
import static java.util.concurrent.TimeUnit.SECONDS;
import static org.junit.Assert.assertThrows;

      synchronized (queue) {
        boolean removed =
            (workerRunningState == IDLE || workerRunningState == QUEUING)
                && queue.removeLastOccurrence(submittedTask);
        // If the delegate is directExecutor(), the submitted runnable could have thrown a REE. But
        // that's handled by the log check that catches RuntimeExceptions in the queue worker.
        if (!(t instanceof RejectedExecutionException) || removed) {

import static com.google.common.base.Predicates.in;
import static com.google.common.base.Predicates.instanceOf;
import static com.google.common.base.Predicates.not;
import static com.google.common.util.concurrent.MoreExecutors.directExecutor;
import static com.google.common.util.concurrent.Service.State.FAILED;
import static com.google.common.util.concurrent.Service.State.NEW;
import static com.google.common.util.concurrent.Service.State.RUNNING;

import static com.google.common.util.concurrent.Futures.immediateFailedFuture;
import static com.google.common.util.concurrent.Futures.immediateFuture;
import static com.google.common.util.concurrent.MoreExecutors.directExecutor;
import static com.google.common.util.concurrent.MoreExecutors.shutdownAndAwaitTermination;
import static com.google.common.util.concurrent.Uninterruptibles.awaitUninterruptibly;

import static com.google.common.util.concurrent.Futures.immediateFailedFuture;
import static com.google.common.util.concurrent.Futures.immediateFuture;
import static com.google.common.util.concurrent.MoreExecutors.directExecutor;
import static com.google.common.util.concurrent.MoreExecutors.shutdownAndAwaitTermination;
import static com.google.common.util.concurrent.Uninterruptibles.awaitUninterruptibly;

import static com.google.common.truth.Truth.assertThat;
import static com.google.common.util.concurrent.AbstractScheduledService.Scheduler.newFixedDelaySchedule;
import static com.google.common.util.concurrent.MoreExecutors.directExecutor;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.NANOSECONDS;
import static java.util.concurrent.TimeUnit.SECONDS;
import static org.junit.Assert.assertThrows;

   * @param identifier a brief name for this bus, for logging purposes. Should be a valid Java
   *     identifier.
   */
  public EventBus(String identifier) {
    this(
        identifier,
        MoreExecutors.directExecutor(),
        Dispatcher.perThreadDispatchQueue(),
        LoggingHandler.INSTANCE);
  }

  /**
   * Creates a new EventBus with the given {@link SubscriberExceptionHandler}.
   *

          }
        },
        MoreExecutors.directExecutor());
    assertThat(ranImmediately.get()).isTrue();
    t.interrupt();
    t.join();
  }

  public void testCatchesUndeclaredThrowableFromListener() {
    AbstractFuture<String> f = new AbstractFuture<String>() {};
    f.set("foo");
    f.addListener(() -> sneakyThrow(new SomeCheckedException()), directExecutor());
  }

          }
        },
        MoreExecutors.directExecutor());
    assertThat(ranImmediately.get()).isTrue();
    t.interrupt();
    t.join();
  }

  public void testCatchesUndeclaredThrowableFromListener() {
    AbstractFuture<String> f = new AbstractFuture<String>() {};
    f.set("foo");
    f.addListener(() -> sneakyThrow(new SomeCheckedException()), directExecutor());
  }