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

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

    @Test
    public void test_deleteAllWords() {
        try {

    }

    /**
     * Gets the number of words from queries in the suggest index.
     *
     * @return The number of query words.
     */
    public long getQueryWordsNum() {
        return suggester.getQueryWordsNum();
    }

    /**
     * Deletes all words from the suggest index.
     *
     * @return true if the operation was successful, false otherwise.
     */