michael@0: test();
michael@0: 
michael@0: function test()
michael@0: {
michael@0:   function generate_big_object_graph()
michael@0:   {
michael@0:     var root = {};
michael@0:     f(root, 17);
michael@0:     return root;
michael@0:     function f(parent, depth) {
michael@0:       if (depth == 0) 
michael@0:           return;
michael@0:       --depth;
michael@0: 
michael@0:       f(parent.a = {}, depth);
michael@0:       f(parent.b = {}, depth);
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   function f(obj) {
michael@0:     with (obj)
michael@0:       return arguments;
michael@0:   }
michael@0: 
michael@0:   for(var i = 0; i != 10; ++i) 
michael@0:   {
michael@0:     gc();
michael@0:     var x = null;
michael@0:     x = f(generate_big_object_graph());
michael@0: 
michael@0:     gc(); //all used
michael@0: 
michael@0:     x = null;
michael@0: 
michael@0:     gc(); //all free
michael@0:   }
michael@0: }