<!DOCTYPE html>
<head>
<script src="resources/common.js"></script>
<style>
input {
    -webkit-appearance: none;
    font-size: 32px;
    height: 0px;
    width: 100px;
    border-width: 0px;
}
</style>
<body>
<!-- The input value must not be shown outside the input border.
     So, the test result should be just white. -->
<input id="textfield">
<script>
$('textfield').offsetTop;
$('textfield').value = "FAIL";
</script>
</body>