| <!DOCTYPE html> |
| <title>Element#requestFullscreen() on two elements in the same document</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="a"></div> |
| <div id="b"></div> |
| <script> |
| // Adapted from https://github.com/w3c/web-platform-tests/pull/4250 |
| // TODO(foolip): Remove this test when the above is imported and passing. |
| async_test(t => { |
| // Request fullscreen on both elements, but in reverse tree order. |
| const a = document.getElementById('a'); |
| const b = document.getElementById('b'); |
| |
| // Expect first a fullscreenchange event for the first request, then a |
| // fullscreenerror event for the second request. TODO(foolip): Remove the |
| // Fullscreen hierarchy restrictions. https://crbug.com/627792 |
| document.onfullscreenchange = t.step_func(() => { |
| assert_equals(document.fullscreenElement, b); |
| document.onfullscreenerror = t.step_func_done(); |
| }); |
| |
| trusted_click(t, () => { |
| silence_rejection(b.requestFullscreen()); |
| silence_rejection(a.requestFullscreen()); |
| }, document.body); |
| }); |
| </script> |
