| <!DOCTYPE html> |
| <title>Remove the parent of the fullscreen element</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> |
| <div> |
| <div id="child"></div> |
| </div> |
| <script> |
| promise_test(async (t) => { |
| t.add_cleanup(() => { |
| if (document.fullscreenElement) { |
| return document.exitFullscreen(); |
| } |
| }); |
| const child = document.getElementById("child"); |
| const [, event] = await Promise.all([ |
| trusted_request(child), |
| fullScreenChange(), |
| ]); |
| assert_equals(document.fullscreenElement, child); |
| assert_equals(event.target, child); |
| child.parentNode.remove(); |
| // Because /child/ was removed from the top layer, the fullscreen |
| // element becomes null synchronously. |
| assert_equals(document.fullscreenElement, null); |
| const secondEvent = await fullScreenChange(); |
| assert_equals(document.fullscreenElement, null); |
| assert_equals(secondEvent.target, document); |
| }); |
| </script> |