try {
            ruleManager.addRule(-1, rule2);
            fail("Should throw IndexOutOfBoundsException for negative index");
        } catch (IndexOutOfBoundsException e) {
            // Expected
        }

        try {
            ruleManager.addRule(5, rule2);
            fail("Should throw IndexOutOfBoundsException for index > size");
        } catch (IndexOutOfBoundsException e) {

    }
  }

  /**
   * Checks if the executor has been shut down and increments the running task count.
   *
   * @throws RejectedExecutionException if the executor has been previously shutdown
   */
  private void startTask() {
    synchronized (lock) {
      if (shutdown) {
        throw new RejectedExecutionException("Executor already shutdown");
      }
      runningTasks++;
    }
  }

    /**
     * Constructs a PacSignature by parsing the provided data.
     *
     * @param data the raw signature data to parse
     * @throws PACDecodingException if the data is malformed or cannot be parsed
     */
    public PacSignature(final byte[] data) throws PACDecodingException {
        try {
            final PacDataInputStream bufferStream = new PacDataInputStream(new DataInputStream(new ByteArrayInputStream(data)));

    }
  }

  /**
   * Checks if the executor has been shut down and increments the running task count.
   *
   * @throws RejectedExecutionException if the executor has been previously shutdown
   */
  private void startTask() {
    synchronized (lock) {
      if (shutdown) {
        throw new RejectedExecutionException("Executor already shutdown");
      }
      runningTasks++;
    }
  }

   *
   * <p><b>Warning:</b> the results of calling this method may vary depending on the iteration order
   * of {@code map}.
   *
   * @throws IllegalArgumentException if an attempt to {@code put} any entry fails. Note that some
   *     map entries may have been added to the bimap before the exception was thrown.
   */
  @Override
  void putAll(Map<? extends K, ? extends V> map);

  // Views

  /**
   * {@inheritDoc}
   *

        new CacheLoader<String, String>() {
          @Override
          public String load(String key) throws InterruptedException {
            int behavior = random.nextInt(4);
            if (behavior == 0) { // throw an exception
              exceptionCount.incrementAndGet();
              throw new RuntimeException("fake exception for test");
            } else if (behavior == 1) { // return null

        new CacheLoader<String, String>() {
          @Override
          public String load(String key) throws InterruptedException {
            int behavior = random.nextInt(4);
            if (behavior == 0) { // throw an exception
              exceptionCount.incrementAndGet();
              throw new RuntimeException("fake exception for test");
            } else if (behavior == 1) { // return null

     * @return the corresponding WitnessEventType
     * @throws IllegalArgumentException if value is not recognized
     */
    public static WitnessEventType fromValue(int value) {
        for (WitnessEventType type : values()) {
            if (type.value == value) {
                return type;
            }
        }
        throw new IllegalArgumentException("Unknown witness event type: " + value);
    }

    @Override
    public void setUp() throws Exception {
        super.setUp();
        scriptEngineFactory = new ScriptEngineFactory();
        ComponentUtil.register(scriptEngineFactory, "scriptEngineFactory");
        testScriptEngine = new TestScriptEngine();
    }

    @Override
    public void tearDown() throws Exception {
        ComponentUtil.setFessConfig(null);
        super.tearDown();

   * converted, an unchecked exception (such as {@link IllegalArgumentException}) should be thrown.
   *
   * @param b the instance to convert; will never be null
   * @return the converted instance; <b>must not</b> be null
   * @throws UnsupportedOperationException if backward conversion is not implemented; this should be