<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">
function runTests()
{
if (window.testRunner)
testRunner.dumpAsText();
alert(undefined);
alert(null);
confirm(undefined);
confirm(null);
prompt(undefined);
prompt(null);
alert();
confirm();
prompt();
}
</script>
</head>
<body onload="runTests()">
</body>
</html>