}

  // BlockingQueue.take() tests
  public void testTakeWithNoWait() {
    Stopwatch stopwatch = Stopwatch.createStarted();
    BlockingQueue<String> queue = new ArrayBlockingQueue<>(1);
    assertTrue(queue.offer(""));
    assertThat(takeUninterruptibly(queue)).isEqualTo("");
    assertTimeNotPassed(stopwatch, LONG_DELAY_MS);
  }

  public void testTakeNoInterrupt() {

      assertThat(Thread.holdsLock(lock), "Called with lock $lock")
        .isFalse()
    }

    if (enforceOrder) {
      checkForStartEvent(e)
    }

    eventSequence.offer(e)
  }

  private fun checkForStartEvent(e: ConnectionEvent) {
    if (eventSequence.isEmpty()) {
      assertThat(e).isInstanceOf(ConnectionEvent.ConnectStart::class.java)
    } else {

                event.getLevel().name(), //
                loggerName, //
                event.getMessage().getFormattedMessage(), //
                throwableStr //
        );
        helper.offer(notificationEvent);
    }

    private Level getEffectiveMinLevel() {
        try {
            final String levelStr = ComponentUtil.getSystemProperties().getProperty("fess.log.notification.level");

    EvictingQueue<String> queue = EvictingQueue.create(0);
    assertEquals(0, queue.size());

    assertTrue(queue.add("hi"));
    assertEquals(0, queue.size());

    assertTrue(queue.offer("hi"));
    assertEquals(0, queue.size());

    assertFalse(queue.remove("hi"));
    assertEquals(0, queue.size());

    assertThrows(NoSuchElementException.class, () -> queue.element());

        // Replace with spies (remove and add back for concurrent queues)
        connections.remove(pooled);
        connections.offer(pooledSpy);
        nonPooledConnections.remove(nonPooled);
        nonPooledConnections.offer(nonPooledSpy);

        // Mock disconnect behavior
        when(pooledSpy.disconnect(false, false)).thenReturn(true); // In use

            final String thumbnailField = fessConfig.getIndexFieldThumbnail();
            docList.stream().forEach(doc -> {
                if (!thumbnailManager.offer(doc)) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("Removing {}={} from doc[{}]", thumbnailField, doc.get(thumbnailField),

    return (ReferenceEntry<K, V>) NullEntry.INSTANCE;
  }

  static final Queue<?> DISCARDING_QUEUE =
      new AbstractQueue<Object>() {
        @Override
        public boolean offer(Object o) {
          return true;
        }

        @Override
        public @Nullable Object peek() {
          return null;
        }

        @Override

            return; // Silently ignore invalid buffers
        }

        // Only cache if we haven't reached the limit - O(1) check
        if (queueSize.get() < MAX_BUFFERS) {
            if (bufferQueue.offer(buf)) { // O(1) operation
                queueSize.incrementAndGet();
            }
        }
        // If queue is full, let the buffer be garbage collected
    }

    /**

    SortedMap<Integer, AtomicInteger> replica = Maps.newTreeMap();
    assertTrue("Empty heap should be OK", mmHeap.isIntact());
    for (int i = 0; i < heapSize; i++) {
      int randomInt = random.nextInt();
      mmHeap.offer(randomInt);
      insertIntoReplica(replica, randomInt);
    }
    assertIntact(mmHeap);
    assertEquals(heapSize, mmHeap.size());
    int currentHeapSize = heapSize;

  }

  // BlockingQueue.take() tests
  public void testTakeWithNoWait() {
    Stopwatch stopwatch = Stopwatch.createStarted();
    BlockingQueue<String> queue = new ArrayBlockingQueue<>(1);
    assertTrue(queue.offer(""));
    assertThat(takeUninterruptibly(queue)).isEqualTo("");
    assertTimeNotPassed(stopwatch, LONG_DELAY_MS);
  }

  public void testTakeNoInterrupt() {