added LogicException

Shaked · Shaked · commit fb4a601bcbba · 2013-11-07T00:45:10.000+01:00
diff --git a/Strategy/ObjectCollection.php b/Strategy/ObjectCollection.php
@@ -30,6 +30,10 @@ public function __construct(array $elements = array())
      */
     public function sort()
     {
+        if (!$this->comparator){ 
+            throw new \LogicException("Comparator is not set");    
+        }
+        
         $callback = array($this->comparator, 'compare');
         uasort($this->elements, $callback);
 
