}

    public void test_indexFieldLang() {
        assertEquals("lang", fessConfig.getIndexFieldLang());
    }

    public void test_indexFieldHasCache() {
        assertEquals("has_cache", fessConfig.getIndexFieldHasCache());
    }

    public void test_indexFieldLastModified() {
        assertEquals("last_modified", fessConfig.getIndexFieldLastModified());