<!DOCTYPE HTML> <html> <head> <meta charset="utf-8"> <title>Test for Bug 341604</title> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> <script> function doStuff() { try { window.parent.parent.ok_wrapper(false, "a frame inside a sandboxed iframe should NOT be same origin with the iframe's parent"); } catch (e) { window.parent.parent.postMessage({ok: true, desc: "a frame inside a sandboxed iframe is not same origin with the iframe's parent"}, "*"); } } </script> </head> <frameset> <frame onload='doStuff()' src="file_iframe_sandbox_a_if12.html"> </frameset> I'm a <frame> inside an iframe which is sandboxed with 'allow-scripts allow-forms' </html>