michael@0: function testDoubleToStr() {
michael@0:     var x = 0.0;
michael@0:     var y = 5.5;
michael@0:     for (var i = 0; i < 200; i++) {
michael@0:        x += parseFloat(y.toString());
michael@0:     }
michael@0:     return x;
michael@0: }
michael@0: assertEq(testDoubleToStr(), 5.5*200);