assertQueryBuilder("title", "アア", MatchPhraseQueryBuilder.class);
        assertQueryBuilder("title", "亜", PrefixQueryBuilder.class);
        assertQueryBuilder("title", "亜亜", MatchPhraseQueryBuilder.class);
        assertQueryBuilder("title", "아", PrefixQueryBuilder.class);
        assertQueryBuilder("title", "아아", MatchPhraseQueryBuilder.class);
        assertQueryBuilder("content", "test", MatchPhraseQueryBuilder.class);

                "site:aaa");

        assertQueryBuilder("{\"timestamp\":{\"order\":\"asc\"}}", "sort:timestamp");
        assertQueryBuilder("{\"timestamp\":{\"order\":\"asc\"}}", "sort:timestamp.asc");
        assertQueryBuilder("{\"timestamp\":{\"order\":\"desc\"}}", "sort:timestamp.desc");

        try {
            assertQueryBuilder("", "sort:xxx");
            fail();