| <!DOCTYPE html> |
| <title> |
| Element#requestFullscreen() when not allowed to request fullscreen |
| </title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <div id="log"></div> |
| <script> |
| promise_test(async (t) => { |
| const div = document.querySelector("div"); |
| const errorEventPromise = new Promise( |
| (resolve) => (document.onfullscreenerror = resolve) |
| ); |
| const [, event] = await Promise.all([ |
| promise_rejects_js(t, TypeError, div.requestFullscreen()), |
| errorEventPromise, |
| ]); |
| assert_equals(event.type, "fullscreenerror"); |
| assert_equals(event.target, div, "event.target"); |
| assert_true(event.bubbles, "event.bubbles"); |
| assert_false(event.cancelable, "event.cancelable"); |
| assert_true(event.composed, "event.composed"); |
| }, "requestFullscreen() when not allowed to request fullscreen"); |
| </script> |
