String value = getValue(USER_AGENT_RECORD, line);
                    if (value != null) {
                        // If we've seen group-member records (Disallow, Allow, etc.),
                        // this starts a new group, so clear the current directive list
                        if (isGroupRecordStarted) {
                            currentDirectiveList.clear();
                            isGroupRecordStarted = false;

    /** The name of this thumbnail generator. */
    protected String name;

    /** Maximum number of redirects to follow. */
    protected int maxRedirectCount = 10;

    /** Availability status of this generator. */
    protected Boolean available = null;

    /**
     * Registers this thumbnail generator with the thumbnail manager.
     */
    public void register() {

        }

        @Test
        @DisplayName("read() returns -1 when underlying readDirect hits EOF")
        void readSingleByteEOF() throws Exception {
            // Arrange SMB2 EOF via NT status code mapping in SmbFileInputStream
            when(mockTree.send(any(Request.class), any(RequestParam.class))).thenThrow(new SmbException(0xC0000011, false)); // STATUS_END_OF_FILE

        return String.format("%s-%d-%d", resource.getClass().getSimpleName(), System.identityHashCode(resource),
                resourceIdCounter.incrementAndGet());
    }

    /**
     * Start the cleanup task
     */
    private void startCleanupTask() {
        if (cleanupTask != null) {
            cleanupTask.cancel(false);
        }

        this.maxGlobalAttemptsPerMinute = maxGlobalAttemptsPerMinute;
        this.lockoutDuration = lockoutDuration;
        this.cleanupInterval = cleanupInterval;

        // Start cleanup scheduler
        this.cleanupScheduler = Executors.newSingleThreadScheduledExecutor(r -> {
            Thread t = new Thread(r, "AuthRateLimiter-Cleanup");
            t.setDaemon(true);
            return t;

        public Appendable append(@Nullable CharSequence csq) throws IOException {
          throw new IOException();
        }

        @Override
        public Appendable append(@Nullable CharSequence csq, int start, int end)
            throws IOException {
          throw new IOException();
        }

        @Override
        public Appendable append(char c) throws IOException {
          throw new IOException();

        };
    thread.setUncaughtExceptionHandler(
        new UncaughtExceptionHandler() {
          @Override
          public void uncaughtException(Thread t, Throwable e) {}
        });
    thread.start();

    boolean done = doneSignal.await(1, SECONDS);
    if (!done) {
      StringBuilder builder = new StringBuilder();
      for (StackTraceElement trace : thread.getStackTrace()) {

    Stopwatch timer = Stopwatch.createStarted();
    Queues.drainUninterruptibly(q, new ArrayList<>(), 1, 10, MILLISECONDS);
    assertThat(timer.elapsed(MILLISECONDS)).isAtLeast(10L);
    // wait for interrupted status and clear it
    while (!Thread.interrupted()) {
      Thread.yield();
    }
  }

  private static class Producer implements Callable<@Nullable Void> {
    final BlockingQueue<Object> q;

            assertNotNull("Resource should exist", is);
            contentNew = new String(is.readAllBytes(), StandardCharsets.UTF_8);
        }

        // Verify content is valid JSON
        assertTrue("Content should start with {", contentNew.trim().startsWith("{"));
        assertTrue("Content should end with }", contentNew.trim().endsWith("}"));
        assertTrue("Content should be substantial", contentNew.length() > 100);

                    String.format(
                            "Timing attack vulnerability detected: timing ratio %.3f exceeds tolerance %.3f "
                                    + "(start: %d ns, middle: %d ns, end: %d ns)",
                            timingRatio, TIMING_TOLERANCE, timeStart, timeMiddle, timeEnd));
        } finally {
            // Clean up resources
            baseAuth.close();