assertNotNull(response);
        assertEquals(0, response.getNumberOfInputDocs());
        assertFalse(response.hasError());
    }

    @Test
    @SuppressWarnings("unchecked")
    public void test_indexFromEmptyDocuments() throws Exception {
        Map<String, Object>[] documents = new Map[0];
        SuggestIndexResponse response = suggester.indexer().indexFromDocument(documents);

        assertNotNull(response);