Added test for toggleClass, fixed jQuery.className.has to accept both node and className (#762)

src/jquery/coreTest.js

@@ -429,6 +429,15 @@ test("removeClass(String) - add three classes and remove again", function() {
 	ok( pass, "Remove multiple classes" );
 });
 
+test("toggleClass(String)", function() {
+	var e = $("#firstp");
+	ok( !e.is(".test"), "Assert class not present" );
+	e.toggleClass("test");
+	ok( e.is(".test"), "Assert class present" ); 
+	e.toggleClass("test");
+	ok( !e.is(".test"), "Assert class not present" );
+});
+
 test("removeAttr(String", function() {
 	ok( $('#mark').removeAttr("class")[0].className == "", "remove class" );
 });

src/jquery/jquery.js

@@ -1227,20 +1227,24 @@ jQuery.extend({
 	},
 
 	className: {
+		// internal only, use addClass("class")
 		add: function( elem, c ){
 			jQuery.each( c.split(/\s+/), function(i, cur){
 				if ( !jQuery.className.has( elem.className, cur ) )
 					elem.className += ( elem.className ? " " : "" ) + cur;
 			});
 		},
+		// internal only, use removeClass("class")
 		remove: function( elem, c ){
             elem.className = c ?
                 jQuery.grep( elem.className.split(/\s+/), function(cur){
 				    return !jQuery.className.has( c, cur );	
                 }).join(' ') : "";
 		},
-		has: function( classes, c ){
+		// internal only, use is(".class")
-			return classes && new RegExp("(^|\\s)" + c + "(\\s|$)").test( classes );
+		has: function( t, c ) {
+			t = t.className || t;
+			return t && new RegExp("(^|\\s)" + c + "(\\s|$)").test( t );
 		}
 	},