michael@0: function testClosures()
michael@0: {
michael@0:     function MyObject(id) {
michael@0:         var thisObject = this;
michael@0:         this.id = id;
michael@0:         this.toString = str;
michael@0: 
michael@0:         function str() {
michael@0:             return "" + this.id + thisObject.id;
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     var a = [];
michael@0:     for (var i = 0; i < 5; i++)
michael@0:         a.push(new MyObject(i));
michael@0:     return a.toString();
michael@0: }
michael@0: assertEq(testClosures(), "00,11,22,33,44");