MDL-47494 ddimageortext: NOBUG if any choice is 'infinite' return null for random guess score

2011-11-23 13:44:15 +07:00
parent 5b7d9decd9
commit a187ada8cf
1 changed files with 5 additions and 0 deletions
@@ -133,6 +133,11 @@ class qtype_ddtoimage_question_base extends qtype_gapselect_question_base {
        $accum = 0;

        foreach ($this->places as $place) {
+            foreach ($this->choices[$place->group] as $choice) {
+                if ($choice->infinite) {
+                    return null;
+                }
+            }
            $accum += 1 / count($this->choices[$place->group]);
        }