String field = "content";
        String[] keywords = SuggestUtil.parseQuery(query, field);
        assertNotNull(keywords);
        assertEquals(2, keywords.length);
        assertEquals("test", keywords[0]);
        assertEquals("query", keywords[1]);

        // Test empty query
        String[] emptyKeywords = SuggestUtil.parseQuery("", field);
        assertNotNull(emptyKeywords);

            tagList.addAll(Arrays.asList(SuggestUtil.parseQuery(queryString, tagFieldName)));
            if (filterQueryString != null) {
                tagList.addAll(Arrays.asList(SuggestUtil.parseQuery(filterQueryString, tagFieldName)));
            }
        }
        final String[] tags = tagList.toArray(new String[tagList.size()]);
        final String[] roles1 = SuggestUtil.parseQuery(queryString, roleFieldName);

     * @return an array of keywords extracted from the query string, or an empty array if the number of keywords exceeds the maximum allowed or if any keyword exceeds the maximum length
     */
    public static String[] parseQuery(final String q, final String field) {
        final List<String> keywords = getKeywords(q, new String[] { field });
        if (MAX_QUERY_TERM_NUM < keywords.size()) {
            return new String[0];
        }