logger.setLevel(Level.FINEST);
    TestLogHandler logHandler = new TestLogHandler();
    logger.addHandler(logHandler);
    NoOpService service = new NoOpService();
    service.startAsync();
    assertThrows(IllegalArgumentException.class, () -> new ServiceManager(Arrays.asList(service)));
    service.stopAsync();
    // Nothing was logged!
    assertEquals(0, logHandler.getStoredLogRecords().size());
  }

        return object.toString();
      }
    };
  }

  public void testCancellationDuringReentrancy() throws Exception {
    TestLogHandler logHandler = new TestLogHandler();
    Logger.getLogger(AbstractFuture.class.getName()).addHandler(logHandler);

    List<Future<?>> results = new ArrayList<>();
    Runnable[] manualExecutorTask = new Runnable[1];
    Executor manualExecutor =
        new Executor() {