chrome-bug-1348019.https.html (1435B)
1 <!DOCTYPE html> 2 <html> 3 <link rel="author" href="mailto:caseq@chromium.org"> 4 <link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1348019"> 5 <title>Releasing wake locks upon visibility change does not cause crash if an iframe is appended in event listener</title> 6 <body> 7 <script src="/resources/testharness.js"></script> 8 <script src="/resources/testharnessreport.js"></script> 9 <script src="/resources/testdriver.js"></script> 10 <script src="/resources/testdriver-vendor.js"></script> 11 <script src="/page-visibility/resources/window_state_context.js"></script> 12 <script> 13 'use strict'; 14 15 promise_test(async t => { 16 await test_driver.set_permission({ name: 'screen-wake-lock' }, 'granted'); 17 const { minimize } = window_state_context(t); 18 19 const screenLock = await navigator.wakeLock.request('screen'); 20 21 assert_false(screenLock.released, "The released attribute is initially false"); 22 23 screenLock.addEventListener('release', () => { 24 const iframe = document.createElement('iframe'); 25 iframe.src = 'about:blank'; 26 document.body.appendChild(iframe); 27 }); 28 29 const release = new EventWatcher(t, screenLock, 'release').wait_for('release'); 30 await Promise.all([minimize(), release]); 31 assert_true(screenLock.released, "The released attribute is true after the lock is released"); 32 }, "Appending iframe in release event listener does not cause a crash when page visibility changes"); 33 </script> 34 </body> 35 </html>