} catch (Exception e) {
            assertTrue(true);
        }
    }

    @Test
    public void test_getDocumentWordsNum() {
        try {
            assertEquals(0L, suggestHelper.getDocumentWordsNum());
        } catch (Exception e) {
            assertTrue(true);
        }
    }

    @Test
    public void test_getQueryWordsNum() {
        try {

    }

    /**
     * Gets the number of words from documents in the suggest index.
     *
     * @return The number of document words.
     */
    public long getDocumentWordsNum() {
        return suggester.getDocumentWordsNum();
    }

    /**
     * Gets the number of words from queries in the suggest index.
     *
     * @return The number of query words.
     */