@Test
    public void test_hashCode() {
        // Test hashCode method
        StopwordsItem item1 = new StopwordsItem(1, "test");
        StopwordsItem item2 = new StopwordsItem(1, "test");
        StopwordsItem item3 = new StopwordsItem(2, "test");
        StopwordsItem item4 = new StopwordsItem(1, "different");

        // Same input should have same hashCode regardless of id
        assertEquals(item1.hashCode(), item2.hashCode());

        StringBuilder largeInput = new StringBuilder();
        for (int i = 0; i < 5000; i++) {
            largeInput.append("Line number ").append(i).append("\n");
        }

        InputStream is = new ByteArrayInputStream(largeInput.toString().getBytes(StandardCharsets.UTF_8));

        CountDownLatch latch = new CountDownLatch(1);
        List<String> receivedLines = new ArrayList<>();

        String[] words = new String[] { "検索", "エンジン" };
        String[][] readings = new String[][] { new String[] { "kensaku" }, new String[] { "enjin" } };
        String[] fields = new String[] { "content" };
        String[] tags = new String[] { "tag1" };
        String[] roles = new String[] { "role1" };
        String[] langs = new String[] { "ja" };

        ASN1EncodableVector authVector = new ASN1EncodableVector();
        ASN1EncodableVector elementVector = new ASN1EncodableVector();
        elementVector.add(new DERTaggedObject(0, new ASN1Integer(1))); // authType
        elementVector.add(new DERTaggedObject(1, new DEROctetString(new byte[] { 0x01, 0x02 }))); // authData
        authVector.add(new DERSequence(elementVector));

        byte[] token = new DERSequence(authVector).getEncoded();

    AbstractFuture<String> future = new AbstractFuture<String>() {};
    WaiterThread waiter = new WaiterThread(future);
    waiter.start();
    waiter.awaitWaiting();
    PollingThread poller = new PollingThread(future);
    poller.start();
    PollingThread poller2 = new PollingThread(future);
    poller2.start();
    PollingThread poller3 = new PollingThread(future);
    poller3.start();

        final Deferred<SuggestIndexResponse> deferred = new Deferred<>();
        threadPool.execute(() -> {
            final long start = System.currentTimeMillis();
            int numberOfSuggestDocs = 0;
            int numberOfInputDocs = 0;
            final List<Throwable> errors = new ArrayList<>();

            final List<QueryLog> queryLogs = new ArrayList<>(docPerReq);
            try {

    return ImmutableList.<BlockingQueue<Object>>of(
        new LinkedBlockingQueue<Object>(),
        new LinkedBlockingQueue<Object>(10),
        new SynchronousQueue<Object>(),
        new ArrayBlockingQueue<Object>(10),
        new LinkedBlockingDeque<Object>(),
        new LinkedBlockingDeque<Object>(10),
        new PriorityBlockingQueue<Object>(10, Ordering.arbitrary()));
  }

  /*

                // j2ee types
                new DefaultType("ejb", Language.JAVA_FAMILY, "jar", null, false, JavaPathType.CLASSES),
                new DefaultType("ejb-client", Language.JAVA_FAMILY, "jar", "client", false, JavaPathType.CLASSES),
                new DefaultType("war", Language.JAVA_FAMILY, "war", null, true),
                new DefaultType("ear", Language.JAVA_FAMILY, "ear", null, true),

        super.setUp(testInfo);
        testEnv = new Hashtable<>();
        testEnv.put("test.key", "test.value");
        ldapUser = new LdapUser(testEnv, "testuser");

        ComponentUtil.register(new SystemHelper(), "systemHelper");

        // Register a mock LdapManager to avoid NPE
        ComponentUtil.register(new LdapManager() {
            // Override methods that are called in tests

    DataInput in = new LittleEndianDataInputStream(new ByteArrayInputStream(data));
    byte[] b = new byte[data.length];
    in.readFully(b);
    assertEquals(Bytes.asList(data), Bytes.asList(b));
  }

  public void testReadUnsignedByte_eof() throws IOException {
    DataInput in = new LittleEndianDataInputStream(new ByteArrayInputStream(new byte[0]));