@NullUnmarked
@GwtIncompatible
@J2ktIncompatible
public class ServiceManagerTest extends TestCase {

  private static class NoOpService extends AbstractService {
    @Override
    protected void doStart() {
      notifyStarted();
    }

    @Override
    protected void doStop() {
      notifyStopped();
    }
  }

  /*
   * A NoOp service that will delay the startup and shutdown notification for a configurable amount

    protected final void doStart() {
      renamingDecorator(executor(), threadNameSupplier)
          .execute(
              () -> {
                try {
                  startUp();
                  notifyStarted();
                } catch (Throwable t) {
                  restoreInterruptIfIsInterruptedException(t);
                  notifyFailed(t);
                }
              });
    }

    @Override

          Executor executor = renamingDecorator(executor(), () -> serviceName());
          executor.execute(
              () -> {
                try {
                  startUp();
                  notifyStarted();
                  // If stopAsync() is called while starting we may be in the STOPPING state in
                  // which case we should skip right down to shutdown.
                  if (isRunning()) {

   * logging statements.
   */
  private static final class NoOpService extends AbstractService {
    @Override
    protected void doStart() {
      notifyStarted();
    }

    @Override
    protected void doStop() {
      notifyStopped();
    }
  }

  /** This is never thrown but only used for logging. */

               * assignment above.
               */
              requireNonNull(executorService);
              runningTask = scheduler().schedule(delegate, executorService, task);
              notifyStarted();
            } catch (Throwable t) {
              restoreInterruptIfIsInterruptedException(t);
              notifyFailed(t);
              if (runningTask != null) {