| <!doctype html> |
| <meta charset="utf-8"> |
| <title>Check that sandboxed iframe can not navigate their ancestors</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| var t = async_test(); |
| var pop_state_count = 0; |
| onpopstate = t.step_func((e) => { |
| pop_state_count++; |
| if (pop_state_count == 1) { |
| // Should not generate a pop state |
| frames[0].postMessage('forward', '*'); |
| t.step_timeout(() => { |
| t.done(); |
| }, 1000); |
| } else if (pop_state_count > 1) { |
| assert_unreached('no pop state'); |
| } |
| }); |
| |
| function doNavigation() { |
| history.pushState( {state: "one past"}, 'page 2', ''); |
| // Should generate a pop state |
| history.back(); |
| } |
| </script> |
| <iframe id="child_frame" sandbox="allow-scripts" src="support/iframe-tried-to-be-navigated-by-history.html" onload="doNavigation();"></iframe> |
