| <!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> |
| async_test(t => { |
| const div = document.querySelector("div"); |
| var promise_executed = false; |
| |
| document.addEventListener("fullscreenerror", t.step_func_done(event => { |
| 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"); |
| assert_true(promise_executed, "promise executed"); |
| })); |
| |
| var promise = div.requestFullscreen(); |
| if (promise) { |
| promise.catch(()=> { |
| promise_executed = true; |
| }); |
| } else { |
| // If promises aren't supported just treat it as already done. |
| promise_executed = true; |
| } |
| }); |
| </script> |
