michael@0: function test1() {
michael@0:     function h(node) {
michael@0:         var x = 0.1;
michael@0:         for (var i=0; i<100; i++) {
michael@0:             x += node.parent;
michael@0:         }
michael@0:         return x;
michael@0:     }
michael@0:     function build(depth) {
michael@0:         if (depth > 10)
michael@0:             return {parent: 3.3};
michael@0:         return {__proto__: build(depth + 1)};
michael@0:     }
michael@0:     var tree = build(0);
michael@0:     assertEq(h(tree)|0, 330);
michael@0: }
michael@0: test1();
michael@0: 
michael@0: function test2() {
michael@0:     function Foo() {};
michael@0:     Foo.prototype.x = 3.3;
michael@0: 
michael@0:     var o = new Foo();
michael@0:     for (var i=0; i<100; i++) {
michael@0:         assertEq(o.x, 3.3);
michael@0:     }
michael@0: }
michael@0: test2();