LayoutTests/http/tests/security/contentSecurityPolicy/sandbox-empty-in-http-header-inherited-by-subframe.php - WebKit - Git at Google

 <?php
     header("Content-Security-Policy: sandbox");
 ?>
 <!DOCTYPE html>
 <html>
 <body>
 <!-- This test passes if it doesn't alert FAIL. -->
 <iframe src="data:text/html,<script>alert('FAIL');</script>" width="100" height="100"></iframe>
 </body>
 </html>
	<?php
	header("Content-Security-Policy: sandbox");
	?>
	<!DOCTYPE html>
	<html>
	<body>
	<!-- This test passes if it doesn't alert FAIL. -->
	<iframe src="data:text/html,<script>alert('FAIL');</script>" width="100" height="100"></iframe>
	</body>
	</html>