element-request-fullscreen-not-allowed.html (965B)
1 <!DOCTYPE html> 2 <title> 3 Element#requestFullscreen() when not allowed to request fullscreen 4 </title> 5 <script src="/resources/testharness.js"></script> 6 <script src="/resources/testharnessreport.js"></script> 7 <div id="log"></div> 8 <script> 9 promise_test(async (t) => { 10 const div = document.querySelector("div"); 11 const errorEventPromise = new Promise( 12 (resolve) => (document.onfullscreenerror = resolve) 13 ); 14 const [, event] = await Promise.all([ 15 promise_rejects_js(t, TypeError, div.requestFullscreen()), 16 errorEventPromise, 17 ]); 18 assert_equals(event.type, "fullscreenerror"); 19 assert_equals(event.target, div, "event.target"); 20 assert_true(event.bubbles, "event.bubbles"); 21 assert_false(event.cancelable, "event.cancelable"); 22 assert_true(event.composed, "event.composed"); 23 }, "requestFullscreen() when not allowed to request fullscreen"); 24 </script>