logger.debug("{} occurs.", e.getClass().getName(), e);
                throw e;
            } catch (final Exception e) {
                if (retryCount > maxRetryCount) {
                    throw e;
                }
                if (logger.isDebugEnabled()) {
                    logger.debug("Failed to invoke actionGet. count:{}", retryCount, e);

public class IndexingHelperTest extends UnitFessTestCase {
    private IndexingHelper indexingHelper;

    private long documentSizeByQuery = 0L;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        ComponentUtil.register(new SystemHelper(), "systemHelper");
        indexingHelper = new IndexingHelper() {
            @Override

  private static <E> Iterator<E> asIterator(E... elements) {
    return asList(elements).iterator();
  }

  // In GWT, java.util.TreeSet throws ClassCastException when the comparator
  // throws it, unlike the JDK.  Therefore, we accept ClassCastException as a
  // valid result thrown by java.util.TreeSet#equals.
  private static void assertNotEqualLenient(TreeSet<?> unexpected, SortedSet<?> actual) {
    try {

    //                                                                        ============
    /**
     * Verifies that the provided CRUD mode matches the expected mode.
     * Throws a validation error if the modes do not match.
     *
     * @param crudMode the actual CRUD mode
     * @param expectedMode the expected CRUD mode
     */

     *
     * @param queryContext the query context containing the query string
     * @param context a consumer for additional query context customization
     * @throws InvalidQueryException if the query string cannot be parsed
     */
    public void buildBaseQuery(final QueryContext queryContext, final Consumer<QueryContext> context) {
        try {

        HashMap.class,
        Appendable.class,
        StringBuilder.class,
        StringBuffer.class,
        Throwable.class,
        Exception.class);
  }

  public void testGet_io() throws IOException {
    assertEquals(-1, ArbitraryInstances.get(InputStream.class).read());
    assertEquals(-1, ArbitraryInstances.get(ByteArrayInputStream.class).read());

  @BeforeEach
  fun setUp() {
    platform.assumeNotOpenJSSE()
    platform.assumeHttp2Support()
  }

  @AfterEach
  fun tearDown() {
    executorService.shutdown()
  }

  @Test
  @Throws(IOException::class)
  fun http1DoesntSupportDuplex() {
    val call =
      client.newCall(
        Request
          .Builder()
          .url(server.url("/"))
          .post(AsyncRequestBody())

        this.sameSite = sameSite
      }

    fun build(): Cookie =
      Cookie(
        name ?: throw NullPointerException("builder.name == null"),
        value ?: throw NullPointerException("builder.value == null"),
        expiresAt,
        domain ?: throw NullPointerException("builder.domain == null"),
        path,
        secure,
        httpOnly,
        persistent,
        hostOnly,

        assertEquals(12, read);
        assertEquals(0x1234, packet.nameTrnId);
        assertEquals(1, packet.questionCount);
    }

    @Test
    void testToString() throws UnknownHostException {
        packet.nameTrnId = 1;
        packet.isResponse = true;
        packet.opCode = NameServicePacket.QUERY;
        packet.isAuthAnswer = true;
        packet.isTruncated = true;

public class SystemHelperTest extends UnitFessTestCase {

    public SystemHelper systemHelper;

    private final Map<String, String> envMap = new HashMap<>();

    @Override
    public void setUp() throws Exception {
        super.setUp();
        final File propFile = File.createTempFile("project", ".properties");
        propFile.deleteOnExit();