| <!DOCTYPE html> |
| <title>Element ready check for child of 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><!-- script inserts child here --></iframe> |
| <script> |
| promise_test(async (t) => { |
| document.onfullscreenerror = t.unreached_func("fullscreenerror event"); |
| const div = document.createElement("div"); |
| document.querySelector("iframe").appendChild(div); |
| |
| await Promise.all([ |
| trusted_request(div, document.body), |
| fullScreenChange(), |
| ]); |
| |
| assert_equals(document.fullscreenElement, div); |
| }, "Element ready check for child of iframe"); |
| </script> |
