| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>Beforeunload must be gated behind sticky activation: nested browsing context</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <p>If you happen to be running this test as a human, then be sure not to interact with any part of the page; that would invalidate the results! |
| |
| <script> |
| setup({ single_test: true }); |
| |
| const iframe = document.createElement('iframe'); |
| iframe.src = 'support/beforeunload-sticky-start.html'; |
| |
| window.onmessage = e => { |
| assert_equals(e.data, 'navigated successfully'); |
| |
| const desiredURL = (new URL('support/beforeunload-sticky-destination.html', location.href)).href; |
| assert_equals(iframe.contentWindow.location.href, desiredURL); |
| |
| done(); |
| }; |
| |
| document.body.append(iframe); |
| </script> |
