LayoutTests/fast/js/eval-var-decl.html

<div> 
This test case checks whether variables cause properties to be
defined even before reaching the declaration statement in various
cases. It should print true true true false on separate lines.
</div>
<br>
<div>
<script>
if (window.layoutTestController) {
   layoutTestController.dumpAsText();
}

document.write(window.hasOwnProperty('foo') + '<br>');
var foo = 3;

delete bar;
document.write(window.hasOwnProperty('bar') + '<br>');
var bar = 3;

eval("document.write(window.hasOwnProperty('y') + '<br>'); var y = 3;");
eval("delete x; document.write(window.hasOwnProperty('x') + '<br>'); var x = 3;");

</script>
</div>