| <!DOCTYPE html> |
| <title>Element#requestFullscreen() on the current 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="target"></div> |
| <script> |
| async_test(t => { |
| var target = document.getElementById("target"); |
| |
| document.onfullscreenchange = t.step_func(() => { |
| assert_equals(document.fullscreenElement, target); |
| |
| // The next requestFullscreen() should fire no events due to "If element is |
| // doc's fullscreen element, terminate these subsubsteps." |
| document.onfullscreenchange = t.unreached_func("fullscreenchange event"); |
| |
| trusted_click(t, () => { |
| target.requestFullscreen(); |
| |
| // Wait until after the next animation frame. |
| requestAnimationFrame(t.step_func_done()); |
| }, target); |
| }); |
| document.onfullscreenerror = t.unreached_func("fullscreenerror event"); |
| |
| trusted_request(t, target); |
| }); |
| </script> |
