public void test_convertBooleanQuery_withMixedClauses() {
        BooleanQuery.Builder boolQueryBuilder = new BooleanQuery.Builder();
        TermQuery termQuery1 = new TermQuery(new Term("field1", "value1"));
        TermQuery termQuery2 = new TermQuery(new Term("field2", "value2"));
        TermQuery termQuery3 = new TermQuery(new Term("field3", "value3"));

        boolQueryBuilder.add(termQuery1, BooleanClause.Occur.MUST);

    Supplier<Integer> supplier = new CountingSupplier();
    Function<@Nullable Object, Integer> function = Functions.forSupplier(supplier);

    assertEquals(1, (int) function.apply(null));
    assertEquals(2, (int) function.apply("foo"));

    new EqualsTester()
        .addEqualityGroup(function, Functions.forSupplier(supplier))
        .addEqualityGroup(Functions.forSupplier(new CountingSupplier()))

        authDataVector.add(new DERSequence(authElementVector));
        vector.add(new DERTaggedObject(10, new DERSequence(authDataVector)));

        DERSequence sequence = new DERSequence(vector);
        byte[] encoded = new DERTaggedObject(false, BERTags.APPLICATION, 1, sequence).getEncoded();

        KerberosEncData encData = new KerberosEncData(encoded, Collections.emptyMap());

    public void setUp() {
        MockitoAnnotations.openMocks(this);
        reconnector = new HandleReconnector(mockManager, 2, 50); // 2 retries, 50ms delay

        HandleGuid guid = new HandleGuid();
        byte[] fileId = new byte[16];
        for (int i = 0; i < 16; i++) {
            fileId[i] = (byte) (i + 1);
        }

        testHandle = new HandleInfo("/test/file.txt", guid, fileId, HandleType.DURABLE_V2, 120000, null);
    }

    public void test_generateId_virtualHost() {
        final Map<String, Object> dataMap = new HashMap<String, Object>();
        dataMap.put("url", "http://example.com/");
        final List<String> roleTypeList = new ArrayList<String>();
        roleTypeList.add("admin");
        dataMap.put("role", roleTypeList);
        final List<String> virtualHostList = new ArrayList<String>();
        virtualHostList.add("site1");

      return new PopulatableMapAsMultimap<>();
    }

    @SuppressWarnings("unchecked") // all methods throw immediately
    PopulatableMapAsMultimap() {
      this.map = new HashMap<>();
      this.unusableDelegate =
          (SetMultimap<K, V>)
              newProxyInstance(
                  SetMultimap.class.getClassLoader(),
                  new Class<?>[] {SetMultimap.class},

    }

    public void test_multipleJobExecutors() {
        // Test multiple JobExecutor instances
        JobExecutor executor1 = new TestJobExecutor();
        JobExecutor executor2 = new TestJobExecutor();

        AtomicInteger counter1 = new AtomicInteger(0);
        AtomicInteger counter2 = new AtomicInteger(0);

        executor1.addShutdownListener(() -> counter1.incrementAndGet());

        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            @Override
            public String getOsddLinkEnabled() {
                return "auto";
            }

            @Override
            public String getSsoType() {
                return "none";
            }
        });
        final OsddHelper osddHelper = new OsddHelper();

        DynamicProperties systemProps = new DynamicProperties(file);
        ComponentUtil.register(systemProps, "systemProperties");

        relatedContentHelper = new RelatedContentHelper() {
            @Override
            public List<RelatedContent> getAvailableRelatedContentList() {
                return mockBhv.getTestData();
            }
        };

        mockBhv = new MockRelatedContentBhv();

        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<>();