assertTrue(response.getWords().contains("apple"));
        assertTrue(response.getWords().contains("application"));
        assertTrue(response.getWords().contains("apply"));
    }

    @Test
    public void test_getNum() throws Exception {
        List<String> words = new ArrayList<>();
        words.add("word1");
        words.add("word2");
        words.add("word3");

        assertTrue(response.getWords().contains("apple"));
        assertTrue(response.getWords().contains("banana"));
        assertTrue(response.getWords().contains("cherry"));
    }

    @Test
    public void test_getNum() throws Exception {
        List<String> words = new ArrayList<>();
        words.add("word1");
        words.add("word2");
        words.add("word3");
        words.add("word4");

        SuggestResponse response3 = suggester.suggest().setQuery("-aa-").setSuggestDetail(true).execute().getResponse();
        assertEquals(1, response3.getNum());
    }

    @Test
    public void test_getNum() throws Exception {
        SuggestItem[] items = getItemSet1();
        suggester.indexer().index(items);
        suggester.refresh();

        assertEquals(2, suggester.getAllWordsNum());