*   <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>
 *   <li>{@link #getQueryWordsNum()}: Returns the number of query words in the suggestion index.</li>
 * </ul>
 *
 * <p>Protected Methods:
 * <ul>

    }

    /**
     * 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.
     */

        } 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 {

        suggester.indexer().index(items);
        suggester.refresh();

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

        SuggestDeleteResponse deleteResponse = suggester.indexer().deleteDocumentWords();

        assertNotNull(deleteResponse);

        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());
        assertEquals(0, suggester.getQueryWordsNum());
    }

    @Test

        Suggester suggester = createSuggester();
        suggester.createIndexIfNothing();

        assertEquals("Empty index should have 0 document words", 0, suggester.getDocumentWordsNum());
    }

    @Test
    public void test_getQueryWordsNum_onEmptyIndex() throws Exception {
        Suggester suggester = createSuggester();
        suggester.createIndexIfNothing();