michael@0: function testObjectToString() {
michael@0:     var o = {toString: function()"foo"};
michael@0:     var s = "";
michael@0:     for (var i = 0; i < 10; i++)
michael@0:         s += o;
michael@0:     return s;
michael@0: }
michael@0: assertEq(testObjectToString(), "foofoofoofoofoofoofoofoofoofoo");