assertEquals(3, itemList3.size());

         assertEquals(
                 "b1,b2=>B1" + Constants.LINE_SEPARATOR + "c1=>C1,C2"
                         + Constants.LINE_SEPARATOR + "X1,x1"
                         + Constants.LINE_SEPARATOR,
                 new String(FileUtil.getBytes(file1), Constants.UTF_8));
     }
     */

    void testTimeOperations() {
        // Given
        Date currentDate = new Date();
        byte[] buffer = new byte[8];

        // When - Use direct encoding methods since time constants are private
        Encdec.enc_uint64le(currentDate.getTime(), buffer, 0);
        long decoded = Encdec.dec_uint64le(buffer, 0);

        // Then

            // Then
            assertEquals(port1, port2);
            assertEquals(port2, port3);
            assertEquals(443, port1);
        }
    }

    @Nested
    @DisplayName("Constants Tests")
    class ConstantsTests {

        @Test
        @DisplayName("DEFAULT_HTTPS_PORT should be 443")
        void testDefaultHttpsPortValue() {
            // Then

                    final String target = String.valueOf(c);
                    final String converted = URLEncoder.encode(target, Constants.UTF_8);
                    if (target.equals(converted)) {
                        encodedBuf.append(Base64.getUrlEncoder().encodeToString(target.getBytes(Constants.CHARSET_UTF_8)));
                    } else {
                        encodedBuf.append(converted);
                    }

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        ComponentUtil.getComponent(ScheduledJobBhv.class).selectCursor(cb -> {
            cb.query().setAvailable_Equal(Constants.T);
            cb.query().setCrawler_Equal(Constants.T);
        }, scheduledJob -> {
            if (fessConfig.isSchedulerTarget(scheduledJob.getTarget())) {
                if (scheduledJob.isRunning()) {

        queryFieldConfig.setSortFields(fields);

        assertSame(fields, queryFieldConfig.sortFields);
    }

    @Test
    public void test_constants() {
        // Test that constants have expected values
        assertEquals("score", QueryFieldConfig.SCORE_FIELD);
        assertEquals("_score", QueryFieldConfig.DOC_SCORE_FIELD);
        assertEquals("site", QueryFieldConfig.SITE_FIELD);

        items.add(new SuggestItem(new String[] { "word1" }, readings, new String[] { "content" }, 0, 10, -1, new String[] { "tag1" },
                new String[] { SuggestConstants.DEFAULT_ROLE }, null, SuggestItem.Kind.QUERY));
        items.add(new SuggestItem(new String[] { "word2" }, readings, new String[] { "content" }, 0, 5, -1, new String[] { "tag2" },

            entity.setUpdatedBy(username);
            entity.setUpdatedTime(currentTime);
            copyBeanToBean(form, entity,
                    op -> op.exclude(Stream.concat(Stream.of(Constants.COMMON_CONVERSION_RULE), Stream.of(Constants.PERMISSIONS))
                            .toArray(n -> new String[n])));
            entity.setPermissions(encodePermissions(form.permissions));
            return entity;
        });
    }

        String httpAddress = SystemUtil.getSearchEngineHttpAddress();
        if (StringUtil.isBlank(httpAddress) && runner == null) {
            switch (fessConfig.getFesenType()) {
            case Constants.FESEN_TYPE_CLOUD:
            case Constants.FESEN_TYPE_AWS:
                httpAddress = org.codelibs.fess.util.ResourceUtil.getFesenHttpUrl();
                break;
            default:
                runner = new OpenSearchRunner();

        packet.readHeaderWireFormat(bais, buffer, 0);

        assertEquals(0x1FFFF, packet.length);
    }

    // Test for constants
    @Test
    @DisplayName("Constants should have expected values")
    void testConstants() {
        assertEquals(0x00, SessionServicePacket.SESSION_MESSAGE);
        assertEquals(0x81, SessionServicePacket.SESSION_REQUEST);