*   cause if this Future has failed.
       *
       * - And this future *has* failed: This method is called only from handleException (through
       *   getOrInitSeenExceptions). handleException tried to call setException and failed, so
       *   either this Future was cancelled (which we ruled out with the isCancelled check above),

       *
       * Fortunately, exceptions rarely contain references to expensive resources.
       */

      //
      seenExceptionsLocal = newConcurrentHashSet();
      /*
       * Other handleException() callers may see this as soon as we publish it. We need to populate
       * it with the initial failure before we do, or else they may think that the initial failure
       * has never been seen before.
       */

    final EventBus eventBus =
        new EventBus(
            new SubscriberExceptionHandler() {
              @Override
              public void handleException(Throwable exception, SubscriberExceptionContext context) {
                throw new RuntimeException();
              }
            });
    final Object subscriber =
        new Object() {
          @Subscribe

    final EventBus eventBus =
        new EventBus(
            new SubscriberExceptionHandler() {
              @Override
              public void handleException(Throwable exception, SubscriberExceptionContext context) {
                throw new RuntimeException();
              }
            });
    final Object subscriber =
        new Object() {
          @Subscribe

expect(org.hamcrest.Matcher); public void expect(Class); public void expectMessage(String); public void expectMessage(org.hamcrest.Matcher); public void expectCause(org.hamcrest.Matcher); public final boolean isAnyExceptionExpect(); private void handleException(Throwable) throws Throwable; private void failDueToMissingExce() throws AssertionError; private String missingExceptionMess(); } org/junit/rules/TestRule.class package org.junit.rules; public abstract interface TestRule { public abstract org....