element-ready-check-containing-iframe.html (1408B)
1 <!DOCTYPE html> 2 <title>Element ready check for containing iframe</title> 3 <script src="/resources/testharness.js"></script> 4 <script src="/resources/testharnessreport.js"></script> 5 <script src="/resources/testdriver.js"></script> 6 <script src="/resources/testdriver-vendor.js"></script> 7 <script src="../trusted-click.js"></script> 8 <div id="log"></div> 9 <iframe allowfullscreen></iframe> 10 <iframe allowfullscreen></iframe> 11 <script> 12 // wait for load event to avoid https://bugzil.la/1493878 13 window.onload = function () { 14 promise_test(async function (t) { 15 const [iframe1, iframe2] = document.getElementsByTagName("iframe"); 16 17 iframe2.contentDocument.onfullscreenerror = t.unreached_func( 18 "fullscreenerror event" 19 ); 20 21 await Promise.all([ 22 trusted_request( 23 iframe1.contentDocument.body, 24 iframe1.contentDocument.body 25 ), 26 fullScreenChange(), 27 ]); 28 29 assert_equals(document.fullscreenElement, iframe1); 30 31 await Promise.all([ 32 trusted_request( 33 iframe2.contentDocument.body, 34 iframe1.contentDocument.body 35 ), 36 fullScreenChange(iframe2.contentDocument), 37 ]); 38 }, "Element ready check for containing iframe"); 39 }; 40 </script>