<!DOCTYPE html>
<html class='reftest-wait'>
<!-- Test: if select is required, has all selected option value set to the
empty string, and the selection did changed,
:-moz-ui-invalid should apply. -->
<link rel='stylesheet' type='text/css' href='style.css'>
<body onload="document.getElementById('s').options[0].selected = true;
document.getElementById('s').options[1].selected = true;
document.documentElement.className = '';">
<select id='s' class='notinvalid' required multiple>
<option selected></option>
<option selected value="">foo</option>
</select>
</body>
</html>