jquery event: closes #4033. e.currentTarget wasn't being enforced for native events (IE doesn't have it)

src/event.js

@@ -240,7 +240,8 @@ jQuery.event = {
 		var all, handlers;
 
 		event = arguments[0] = jQuery.event.fix( event || window.event );
-
+		event.currentTarget = this;
+		
 		// Namespaced event handlers
 		var namespaces = event.type.split(".");
 		event.type = namespaces.shift();

test/unit/event.js

@@ -417,6 +417,20 @@ test("trigger(eventObject, [data], [fn])", function() {
 	$parent.unbind().remove();
 });
 
+test("jQuery.Event.currentTarget", function(){
+	expect(2);
+	
+	var counter = 0,
+		$elem = jQuery('<button>a</button>').click(function(e){
+		equals( e.currentTarget, this, "Check currentTarget on "+(counter++?"native":"fake") +" event" );
+	});
+	
+	// Fake event
+	$elem.trigger('click');
+	// Native event (#4033)
+	triggerEvent( $elem[0], 'click' );
+});
+
 test("toggle(Function, Function, ...)", function() {
 	expect(11);