// Test nested exception handling
        Exception level3 = new RuntimeException("Level 3 error");
        Exception level2 = new IllegalStateException("Level 2 error", level3);
        Exception level1 = new IOException("Level 1 error", level2);
        SsoLoginException exception = new SsoLoginException("Top level SSO error", level1);

        assertEquals("Top level SSO error", exception.getMessage());

    if (bubbledTo == vacated) {
      // Could not bubble toTrickle up min levels, try moving
      // it from min level to max level (or max to min level) and bubble up
      // there.
      return heap.tryCrossOverAndBubbleUp(index, vacated, toTrickle);
    } else {
      return (bubbledTo < index) ? new MoveDesc<E>(toTrickle, elementData(index)) : null;
    }
  }

    if (bubbledTo == vacated) {
      // Could not bubble toTrickle up min levels, try moving
      // it from min level to max level (or max to min level) and bubble up
      // there.
      return heap.tryCrossOverAndBubbleUp(index, vacated, toTrickle);
    } else {
      return (bubbledTo < index) ? new MoveDesc<E>(toTrickle, elementData(index)) : null;
    }
  }

 *       <ul>
 *         <li>2 levels: average of 64ns per lock()/unlock()
 *         <li>3 levels: average of 77ns per lock()/unlock()
 *         <li>4 levels: average of 99ns per lock()/unlock()
 *         <li>5 levels: average of 103ns per lock()/unlock()
 *         <li>10 levels: average of 184ns per lock()/unlock()
 *         <li>20 levels: average of 393ns per lock()/unlock()
 *       </ul>
 * </ul>

                .setLevel(Level.ERROR)
                .setMessage(new SimpleMessage("test message 3"))
                .build();

        LogEvent result1 = policy.rewrite(event1);
        LogEvent result2 = policy.rewrite(event2);
        LogEvent result3 = policy.rewrite(event3);

        assertEquals(Level.WARN, result1.getLevel());
        assertEquals(Level.WARN, result2.getLevel());

        if (name == null) {
            LOGGER.error("No name provided for LogNotificationAppender");
            return null;
        }
        final Level level = Level.toLevel(minLevel, Level.ERROR);
        return new LogNotificationAppender(name, filter, layout, true, Property.EMPTY_ARRAY, level);
    }

    /**
     * Set the value of level, used in parameter comment. <br>
     * Even if empty string, treated as empty plainly. So "IF pmb != null" is false if empty.
     * @param level The parameter value of level. (NotNull)
     */
    public void setLevel(String level) {
        registerVariable("level", level);
    }

    /**

        appender = LogNotificationAppender.createAppender("test", "ERROR", null, null);
    }

    private LogEvent createLogEvent(final Level level, final String loggerName, final String message) {
        return Log4jLogEvent.newBuilder() //
                .setLoggerName(loggerName) //
                .setLevel(level) //
                .setMessage(new SimpleMessage(message)) //
                .setTimeMillis(System.currentTimeMillis()) //

    public void test_login_ecs() {
        activityHelper.useEcsFormat = true;
        activityHelper.login(OptionalThing.empty());
        assertEquals(

/*
 [Log Notification]
*/
subject: [FESS] /*pmb.level*/ Log Alert: /*pmb.hostname*/
>>>
--- Server Info ---
Host Name: /*pmb.hostname:orElse('Unknown')*/

--- Log Summary ---
Level: /*pmb.level*/
Total: /*pmb.count*/ event(s) in the last /*pmb.interval*/ seconds

--- Log Details ---
/*pmb.details*/