LayoutTests/editing/selection/vertical-rl-rtl-extend-line-backward-p.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
 <meta http-equiv="content-type" content="text/html; charset=utf-8">
 <style> .selected { color: blue; } </style>
 </head>
 <body>
 <p>This tests horizontal caret movement in vertical writing mode.</p>
 <div id="test" style="font-family: monospace; font-size: 20px; height: 15ex; -webkit-writing-mode: vertical-rl; -webkit-text-orientation: sideways; outline: none;" contenteditable>
 <p dir="rtl">אני חתול.</p><p dir="rtl">אין לי שם.</p>
 </div>
 <pre id="log"></pre>
 <script>

 var test = document.getElementById('test');
 window.getSelection().setPosition(test.getElementsByTagName('p')[1].lastChild, 5);
 window.getSelection().modify('Extend', 'Backward', 'Line');

 </script>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<meta http-equiv="content-type" content="text/html; charset=utf-8">
	<style> .selected { color: blue; } </style>
	</head>
	<body>
	<p>This tests horizontal caret movement in vertical writing mode.</p>
	<div id="test" style="font-family: monospace; font-size: 20px; height: 15ex; -webkit-writing-mode: vertical-rl; -webkit-text-orientation: sideways; outline: none;" contenteditable>
	<p dir="rtl">אני חתול.</p><p dir="rtl">אין לי שם.</p>
	</div>
	<pre id="log"></pre>
	<script>

	var test = document.getElementById('test');
	window.getSelection().setPosition(test.getElementsByTagName('p')[1].lastChild, 5);
	window.getSelection().modify('Extend', 'Backward', 'Line');

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