.matches(
            "[^\\[]+\\[status=PENDING, info=\\[Exception thrown from implementation: "
                + "class java.lang.RuntimeException\\]\\]");
  }

  public void testCompletionFinishesWithDone() {
    ExecutorService executor = newFixedThreadPool(10);
    for (int i = 0; i < 50000; i++) {
      AbstractFuture<String> future = new AbstractFuture<String>() {};

        .matches(
            "[^\\[]+\\[status=PENDING, info=\\[Exception thrown from implementation: "
                + "class java.lang.RuntimeException\\]\\]");
  }

  public void testCompletionFinishesWithDone() {
    ExecutorService executor = newFixedThreadPool(10);
    for (int i = 0; i < 50000; i++) {
      AbstractFuture<String> future = new AbstractFuture<String>() {};