}
  }

  private static class StartFailingService extends AbstractService {
    @Override
    protected void doStart() {
      notifyFailed(EXCEPTION);
    }

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

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

    }
  }

  private static class StartFailingService extends AbstractService {
    @Override
    protected void doStart() {
      notifyFailed(EXCEPTION);
    }

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

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

 *
 * @author Luke Sandberg
 * @author Chris Nokleberg
 */
@NullUnmarked
@GwtIncompatible
@J2ktIncompatible
public class ServiceManagerTest extends TestCase {

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

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

  /*

   * it is excluded from {@link #servicesByState}, {@link #startupTimes}, {@link #toString} and all
   * logging statements.
   */
  private static final class NoOpService extends AbstractService {
    @Override
    protected void doStart() {
      notifyStarted();
    }

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