[EventDispatcher] Adding IteratorAggregate to GenericEvent

src/Symfony/Component/EventDispatcher/GenericEvent.php

@@ -18,7 +18,7 @@
  *
  * @author Drak <[email protected]>
  */
-class GenericEvent extends Event implements \ArrayAccess
+class GenericEvent extends Event implements \ArrayAccess, \IteratorAggregate
 {
     /**
      * Observer pattern subject.
@@ -177,4 +177,14 @@ public function offsetExists($key)
     {
         return $this->hasArgument($key);
     }
+
+    /**
+     * IteratorAggregate for iterating over the object like an array
+     *
+     * @return \ArrayIterator
+     */
+    public function getIterator()
+    {
+        return new \ArrayIterator($this->arguments);
+    }
 }

src/Symfony/Component/EventDispatcher/Tests/GenericEventTest.php

@@ -128,4 +128,13 @@ public function testGetSubject()
     {
         $this->assertSame($this->subject, $this->event->getSubject());
     }
+
+    public function testHasIterator()
+    {
+        $data = array();
+        foreach ($this->event as $key => $value) {
+            $data[$key] = $value;
+        }
+        $this->assertEquals(array('name' => 'Event'), $data);
+    }
 }