stream.forEach(field -> {
                count.incrementAndGet();
                assertTrue(field.equals("field1") || field.equals("field2") || field.equals("field3"));
            });
        });

        assertEquals(3, count.get());
    }

    @Test
    public void test_highlightedFields_empty() {
        String[] fields = {};
        queryFieldConfig.setHighlightedFields(fields);

        for (String field : queryFieldConfig.searchFields) {
            assertTrue("Search field " + field + " should be in Set", queryFieldConfig.searchFieldSet.contains(field));
        }
        for (String field : queryFieldConfig.facetFields) {
            assertTrue("Facet field " + field + " should be in Set", queryFieldConfig.facetFieldSet.contains(field));
        }

        facetInfo.size = 20;
        facetInfo.sort = "term.asc";

        String result = facetInfo.toString();
        assertEquals("FacetInfo [field=[field1], query=null, size=20, minDocCount=null, sort=term.asc, missing=null]", result);
    }

    // Test field assignment
    @Test
    public void test_fieldAssignment() {
        String[] fields = new String[] { "field1", "field2", "field3" };

        assertTrue(result.contains("field1"));
        assertTrue(result.contains("exclude1"));
    }

    @Test
    public void test_getCacheKey_sorting() {
        String seed = "test_seed";
        String[] tags = { "zzz", "aaa", "mmm" };
        String[] roles = { "role3", "role1", "role2" };
        String[] fields = { "field3", "field1", "field2" };

        // Test adding single condition
        generator.addCondition("field1", "value1");

        // Test adding multiple conditions for same field
        generator.addCondition("field1", "value2");

        // Test adding conditions for different fields
        generator.addCondition("field2", "pattern.*");

        // Verify conditions can be added without errors
        assertNotNull(generator);

        existingList.add("existing");
        fieldLogMap.put("field", existingList);
        getMockRequest().setAttribute(Constants.FIELD_LOGS, fieldLogMap);

        queryContext = new QueryContext("test", true);
        queryContext.addFieldLog("field", "new");

        List<String> list = fieldLogMap.get("field");
        assertEquals(2, list.size());
        assertEquals("existing", list.get(0));

        // Test executing BoostQuery with a BooleanQuery inside
        BooleanQuery.Builder boolBuilder = new BooleanQuery.Builder();
        boolBuilder.add(new TermQuery(new Term("field1", "value1")), BooleanClause.Occur.MUST);
        boolBuilder.add(new TermQuery(new Term("field2", "value2")), BooleanClause.Occur.SHOULD);
        BooleanQuery boolQuery = boolBuilder.build();
        BoostQuery boostQuery = new BoostQuery(boolQuery, 2.0f);

    /** List of additional default fields with their boost values */
    protected List<Pair<String, Float>> additionalDefaultList = new ArrayList<>();

    /**
     * Initializes the query field configuration by loading field mappings from FessConfig.
     * This method is called after dependency injection is complete.
     * It sets up response fields, search fields, facet fields, sort fields, and other

        Field[] fields = FessLabels.class.getDeclaredFields();
        Pattern labelPattern = Pattern.compile("^LABELS_[A-Za-z0-9_]+$");

        for (Field field : fields) {
            if (Modifier.isStatic(field.getModifiers()) && Modifier.isFinal(field.getModifiers()) && Modifier.isPublic(field.getModifiers())
                    && field.getType() == String.class && !field.getName().equals("serialVersionUID")) {

        // Get all public static final fields of HtmlNext type
        Field[] fields = FessHtmlPath.class.getDeclaredFields();
        for (Field field : fields) {
            int modifiers = field.getModifiers();
            if (Modifier.isPublic(modifiers) && Modifier.isStatic(modifiers) && Modifier.isFinal(modifiers)) {
                if (field.getType().equals(HtmlNext.class)) {