1--TEST--
2SolrQuery::collapse - throws SolrMissingMandatoryParameterException
3--FILE--
4<?php
5
6$query = new SolrQuery('*:*');
7$collapseFunction = new SolrCollapseFunction();
8try {
9    $query->collapse($collapseFunction);
10} catch (SolrMissingMandatoryParameterException $e) {
11    echo PHP_EOL.sprintf('Exception %d: %s', $e->getCode(), $e->getMessage());
12}
13?>
14--EXPECTF--
15Exception 4100: Mandatory parameter Missing: field
16