super.setUp();
        validator = new CronExpressionValidator();
    }

    public void test_isValid_nullValue() {
        final ConstraintValidatorContext context = null;
        assertTrue(validator.isValid(null, context));
    }

    public void test_isValid_blankValue() {
        final ConstraintValidatorContext context = null;
        assertTrue(validator.isValid(" ", context));

     */
    @Override
    public InetAddress[] resolve(final String host) throws UnknownHostException {
        return InetAddress.getAllByName(toAscii(host));
    }

    /**
     * Decodes the given host string using the specified encoding.
     *
     * @param host the host string to decode
     * @return the decoded host string
     */
    protected String decode(final String host) {
        if (host.indexOf('%') == -1) {

   * be accessed.
   */
  @SuppressWarnings("SunApi") // b/345822163
  private static final class UnsafeAtomicHelper extends AtomicHelper {
    static final Unsafe UNSAFE;
    static final long LISTENERS_OFFSET;
    static final long WAITERS_OFFSET;
    static final long VALUE_OFFSET;
    static final long WAITER_THREAD_OFFSET;
    static final long WAITER_NEXT_OFFSET;

    static {
      Unsafe unsafe = null;
      try {

            duplicateHostList = new ArrayList<>();
        }
        try {
            final DuplicateHostService duplicateHostService = ComponentUtil.getComponent(DuplicateHostService.class);
            duplicateHostList.addAll(duplicateHostService.getDuplicateHostList());
        } catch (final AutoBindingFailureException e) {
            logger.warn("DuplicateHostService is not found.", e);
        }
    }

    }

    // Helper method to create mock callbacks with preset values
    private IndexUpdateCallback createMockCallback(final long docSize, final long execTime) {
        return new IndexUpdateCallback() {
            private final AtomicLong documentCount = new AtomicLong(docSize);

            @Override
            public void store(DataStoreParams paramMap, Map<String, Object> dataMap) {

     */
    public void test_concurrentNameAccess() throws Exception {
        final int threadCount = 100;
        final int operationsPerThread = 100;
        final CountDownLatch startLatch = new CountDownLatch(1);
        final CountDownLatch endLatch = new CountDownLatch(threadCount);
        final AtomicInteger errorCount = new AtomicInteger(0);

        testTransformer.setName("concurrentName");

/**
 * Pager class for character mapping management with pagination support.
 * Provides pagination functionality for character mapping lists.
 */
public class CharMappingPager implements Serializable {

    private static final long serialVersionUID = 1L;

    /** Total number of records across all pages. */
    private int allRecordCount;

    /** Total number of pages available. */
    private int allPageCount;

 */
public class StopwordsPager implements Serializable {

    /**
     * Constructs a new pager for stopwords.
     */
    public StopwordsPager() {
        // do nothing
    }

    private static final long serialVersionUID = 1L;

    /** The total number of records. */
    private int allRecordCount;

    /** The total number of pages. */
    private int allPageCount;

     * @return true if the URL was successfully added to favorites, false if the user was not found
     */
    public boolean addUrl(final String userCode, final BiConsumer<UserInfo, FavoriteLog> favoriteLogLambda) {
        return userInfoBhv.selectByPK(userCode).map(userInfo -> {
            final FavoriteLog favoriteLog = new FavoriteLog();
            favoriteLogLambda.accept(userInfo, favoriteLog);
            favoriteLogBhv.insert(favoriteLog);

     * @return a list of request headers matching the specified criteria
     */
    public List<RequestHeader> getRequestHeaderList(final ReqHeaderPager requestHeaderPager) {

        final PagingResultBean<RequestHeader> requestHeaderList = requestHeaderBhv.selectPage(cb -> {
            cb.paging(requestHeaderPager.getPageSize(), requestHeaderPager.getCurrentPageNumber());