Method run

future-java/src/test/java/io/trane/future/PromiseTest.java:714–721

()

    AtomicReference<Throwable> cause = new AtomicReference<>();
    Thread t = new Thread() {
      @Override
      public void run() {
        try {
          (Promise.<Integer>apply()).get(Duration.ofMinutes(1));
        } catch (CheckedFutureException e) {
          cause.set(e.getCause());
        }
      }
    };
    t.start();
    t.interrupt();