String[] docIds = userInfoHelper.getResultDocIds("nonExistentQuery");
        assertEquals(0, docIds.length);
    }

    @Test
    public void test_setters() {
        UserInfoHelper userInfoHelper = new UserInfoHelper();

        userInfoHelper.setResultDocIdsCacheSize(50);
        userInfoHelper.setCookieName("testCookie");

        // Hash code should be consistent
        int hash1 = tag1.hashCode();
        int hash2 = tag1.hashCode();
        assertEquals(hash1, hash2);
    }

    @Test
    public void test_setters() {
        PrunedTag tag = new PrunedTag("div");

        // Test setId
        tag.setId("unique-id");
        assertTrue(tag.toString().contains("id=unique-id"));

        // Test setCss

        String value = "invalid_encrypted_value";

        roleQueryHelper.parseRoleSet(value, true, roleSet);

        assertEquals(0, roleSet.size());
    }

    @Test
    public void test_setters() {
        final RoleQueryHelper roleQueryHelper = new RoleQueryHelper();

        CachedCipher testCipher = new CachedCipher();
        roleQueryHelper.setCipher(testCipher);