LayoutTests/fast/css/visibility-collapse-form-buttons.html - WebKit - Git at Google

 <html>
 <head>
 <title>Test for bug 38050</title>
 </head>
 <body>
 <p>The two buttons below should say PASS:</p>
 <div id='collapseDiv' style='visibility: collapse;'>
     <input type='button' value='PASS' id='collapseButton' />
 </div>
 <div>
     <input type='button' value='PASS' id='visibilityButton' />
 </div>

 <div id='console'></div>

 <script>
 if (window.testRunner)
     testRunner.dumpAsText();

 document.body.offsetTop; // Force layout.
 document.getElementById("collapseDiv").style.visibility='visible'

 // The two buttons should have the same width.
 if (document.getElementById('collapseButton').clientWidth == document.getElementById('visibilityButton').clientWidth)
     document.getElementById('console').innerText = 'PASS';
 else
     document.getElementById('console').innerText = 'FAIL';

 </script>
 </body>
 </html>
	<html>
	<head>
	<title>Test for bug 38050</title>
	</head>
	<body>
	<p>The two buttons below should say PASS:</p>
	<div id='collapseDiv' style='visibility: collapse;'>
	<input type='button' value='PASS' id='collapseButton' />
	</div>
	<div>
	<input type='button' value='PASS' id='visibilityButton' />
	</div>

	<div id='console'></div>

	<script>
	if (window.testRunner)
	testRunner.dumpAsText();

	document.body.offsetTop; // Force layout.
	document.getElementById("collapseDiv").style.visibility='visible'

	// The two buttons should have the same width.
	if (document.getElementById('collapseButton').clientWidth == document.getElementById('visibilityButton').clientWidth)
	document.getElementById('console').innerText = 'PASS';
	else
	document.getElementById('console').innerText = 'FAIL';

	</script>
	</body>
	</html>