/**
* Actually execute the test for this node.
*/
public function do_test($nsans, $ntans, $ncasopts, $options, stack_potentialresponse_tree_state $results)
{
if (false === $ncasopts) {
$ncasopts = $this->atoptions;
}
$at = new stack_ans_test_controller($this->answertest, $nsans, $ntans, $options, $ncasopts);
$at->do_test();
$testpassed = $at->get_at_mark();
if ($testpassed) {
$resultbranch = $this->branches[1];
$branchname = 'prtnodetruefeedback';
} else {
$resultbranch = $this->branches[0];
$branchname = 'prtnodefalsefeedback';
}
if ($at->get_at_answernote()) {
$results->add_answernote($at->get_at_answernote());
}
if ($resultbranch['answernote']) {
$results->add_answernote($resultbranch['answernote']);
}
// If the answer test is running in quiet mode we suppress any
// automatically generated feedback from the answertest itself.
if (!$this->quiet && $at->get_at_feedback()) {
$results->add_feedback($at->get_at_feedback());
}
if ($resultbranch['feedback']) {
$results->add_feedback($resultbranch['feedback'], $resultbranch['feedbackformat'], $branchname, $this->nodeid);
}
$results->_valid = $results->_valid && $at->get_at_valid();
$results->_score = $this->update_score($results->_score, $resultbranch);
if ($resultbranch['penalty'] !== '') {
$results->_penalty = $resultbranch['penalty'];
}
$results->_errors .= $at->get_at_errors();
return $resultbranch['nextnode'];
}
