| <!DOCTYPE html> |
| <title>Element ready check for containing iframe</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/resources/testdriver.js"></script> |
| <script src="/resources/testdriver-vendor.js"></script> |
| <script src="../trusted-click.js"></script> |
| <div id="log"></div> |
| <iframe allowfullscreen></iframe> |
| <iframe allowfullscreen></iframe> |
| <script> |
| // wait for load event to avoid https://bugzil.la/1493878 |
| window.onload = function () { |
| promise_test(async function (t) { |
| const [iframe1, iframe2] = document.getElementsByTagName("iframe"); |
| |
| iframe2.contentDocument.onfullscreenerror = t.unreached_func( |
| "fullscreenerror event" |
| ); |
| |
| await Promise.all([ |
| trusted_request( |
| iframe1.contentDocument.body, |
| iframe1.contentDocument.body |
| ), |
| fullScreenChange(), |
| ]); |
| |
| assert_equals(document.fullscreenElement, iframe1); |
| |
| await Promise.all([ |
| trusted_request( |
| iframe2.contentDocument.body, |
| iframe1.contentDocument.body |
| ), |
| fullScreenChange(iframe2.contentDocument), |
| ]); |
| }, "Element ready check for containing iframe"); |
| }; |
| </script> |
