public void testPatternSplitWordBoundary() {
    String string = "foo<bar>bletch";
    Iterable<String> words = Splitter.on(Pattern.compile("\\b")).split(string);
    assertThat(words).containsExactly("foo", "<", "bar", ">", "bletch").inOrder();
  }

  @GwtIncompatible // java.util.regex.Pattern
  public void testPatternSplitWordBoundary_singleCharInput() {

        List<WitnessNotification> batch = new ArrayList<>();
        
        synchronized (pendingNotifications) {
            while (!pendingNotifications.isEmpty() && batch.size() < batchSize) {
                batch.add(pendingNotifications.poll());
            }
        }
        
        if (!batch.isEmpty()) {
            processNotificationBatch(batch);
        }
    }
    

        // Test various command batch limits
        int readAndXClose = config.getBatchLimit("ReadAndX.Close");
        assertTrue(readAndXClose >= 0, "ReadAndX.Close batch limit should be non-negative");

        int treeConnectCheck = config.getBatchLimit("TreeConnectAndX.CheckDirectory");
        assertTrue(treeConnectCheck >= 0, "TreeConnectAndX.CheckDirectory batch limit should be non-negative");

            CountDownLatch latch = new CountDownLatch(1);

            Thread waiter = new Thread(() -> {
                synchronized (response) {
                    try {
                        if (!response.isReceived()) {
                            response.wait(1000);
                        }
                        latch.countDown();
                    } catch (InterruptedException e) {

  // methods is identical, save for method being invoked.

  /** Invokes {@code latch.}{@link CountDownLatch#await() await()} uninterruptibly. */
  @J2ktIncompatible
  @GwtIncompatible // concurrency
  public static void awaitUninterruptibly(CountDownLatch latch) {
    boolean interrupted = false;
    try {
      while (true) {
        try {
          latch.await();
          return;
        } catch (InterruptedException e) {

        if (ComponentUtil.getFessConfig().isSuggestDocuments()) {
            final CountDownLatch latch = new CountDownLatch(1);

            logger.info("Parsing words from indexed documents.");
            suggestHelper.indexFromDocuments(ret -> {
                logger.info("Success indexing from documents.");
                latch.countDown();
            }, t -> {
                logger.error("Failed to update suggest index.", t);

                } catch (Exception e) {
                    fail("Concurrent session handling failed: " + e.getMessage());
                } finally {
                    latch.countDown();
                }
            });
        }

        assertTrue(latch.await(10, TimeUnit.SECONDS));
        executor.shutdown();
    }

    @Test
    @DisplayName("Test invalid session ID handling")

     * 4 = SMB_COM_DELETE_DIRECTORY
     * 5 = SMB_COM_OPEN_ANDX
     * 6 = SMB_COM_RENAME
     * 7 = SMB_COM_TRANSACTION
     * 8 = SMB_COM_QUERY_INFORMATION
     */

    /* All batch limits are single batch only until further notice
     */

    private static byte[] batchLimits = { 1, 1, 1, 1, 1, 1, 1, 1, 0 };

    static {

        if (entry == null) return;
        
        switch (changeType) {
            case FILE_ADDED:
                // Invalidate cache - we need to fetch new file info
                entry.invalidate();
                break;
                
            case FILE_REMOVED:
                entry.removeChild(childName);
                break;
                

                            failureCount.incrementAndGet();
                        }
                    }
                } finally {
                    latch.countDown();
                }
            });
        }

        assertTrue(latch.await(10, TimeUnit.SECONDS), "Concurrent operations should complete");
        executor.shutdown();

        // Circuit breaker should have handled concurrent operations