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

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

    @Test
    public void test_getDocumentWordsNum() {
        try {

    }

    /**
     * Gets the total number of words in the suggest index.
     *
     * @return The total number of words.
     */
    public long getAllWordsNum() {
        return suggester.getAllWordsNum();
    }

    /**
     * Gets the number of words from documents in the suggest index.
     *
     * @return The number of document words.
     */