LayoutTests/editing/pasteboard/paste-unrendered-select.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <body>
 <p>This tests copy/paste of an unrendered select.  The options inside of it should not be pasted.</p>
 <div id="copy" contenteditable="true">Hello <span style="display:none;"><select><option>1</option></select></span> World</div>
 <div id="paste" contenteditable="true"></div>
 <script src="../../resources/dump-as-markup.js"></script>
 <script>
 var copy = document.getElementById("copy");
 copy.focus();
 document.execCommand("SelectAll");
 document.execCommand("Copy");

 var paste = document.getElementById("paste");
 paste.focus();
 document.execCommand("Paste");

 Markup.description(document.getElementsByTagName('p')[0].textContent);
 Markup.dump('paste');
 </script>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<body>
	<p>This tests copy/paste of an unrendered select. The options inside of it should not be pasted.</p>
	<div id="copy" contenteditable="true">Hello <span style="display:none;"><select><option>1</option></select></span> World</div>
	<div id="paste" contenteditable="true"></div>
	<script src="../../resources/dump-as-markup.js"></script>
	<script>
	var copy = document.getElementById("copy");
	copy.focus();
	document.execCommand("SelectAll");
	document.execCommand("Copy");

	var paste = document.getElementById("paste");
	paste.focus();
	document.execCommand("Paste");

	Markup.description(document.getElementsByTagName('p')[0].textContent);
	Markup.dump('paste');
	</script>
	</body>
	</html>