Model Bug

test.js

YUI({
	combine: false,
	base: "/yui3/build/"
}).use("app","handlebars","jsonp",function(Y){
	/**
	 * Article Model
	 **/
	var Article = Y.Base.create("article",Y.Model,[],{
		idAttribute: 'articleId'
	},{
		ATTRS: {
			articleId: {value:null},
			title: {value: null},
			text: {value: null}
		}
	});
	
	var a = new Article({
		articleId: 1,
		title: "foo",
		text: "bar"
	});

	Y.log(a);
});