| <!DOCTYPE html> |
| <title>Remove the child of the fullscreen element</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="../trusted-click.js"></script> |
| <div id="log"></div> |
| <div id="parent"> |
| <div></div> |
| </div> |
| <script> |
| async_test(function(t) |
| { |
| t.add_cleanup(() => { |
| Promise.resolve(document.exitFullscreen()).catch(() => {}); |
| }); |
| var parent = document.getElementById("parent"); |
| trusted_request(t, parent); |
| document.onfullscreenchange = t.step_func(function() |
| { |
| assert_equals(document.fullscreenElement, parent); |
| parent.textContent = ""; // removes all children |
| // The fullscreen element should not be affected. |
| assert_equals(document.fullscreenElement, parent); |
| document.onfullscreenchange = t.unreached_func("fullscreenchange event"); |
| // A fullscreenchange event would be fired after an async section |
| // and an animation frame task, so wait until after that. |
| t.step_timeout(function() |
| { |
| requestAnimationFrame(t.step_func_done()); |
| }, 0); |
| }); |
| }); |
| </script> |
