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

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

    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.
     */

        suggester.refresh();

        assertEquals(2, suggester.getAllWordsNum());
        assertEquals(2, suggester.getDocumentWordsNum());
        assertEquals(1, suggester.getQueryWordsNum());

        suggester.indexer().deleteAll();
        suggester.refresh();
        assertEquals(0, suggester.getAllWordsNum());
        assertEquals(0, suggester.getDocumentWordsNum());

 *   <li>{@link #getNormalizer()}: Returns the Normalizer instance.</li>
 *   <li>{@link #getIndex()}: Returns the index name.</li>
 *   <li>{@link #getAllWordsNum()}: Returns the total number of words in the suggestion index.</li>
 *   <li>{@link #getDocumentWordsNum()}: Returns the number of document words in the suggestion index.</li>