// META: title=Ensure that if WebLock is held upon entering bfcache, it cannot enter bfcache and gets reported. // META: script=./test-helper.js // META: script=/common/dispatcher/dispatcher.js // META: script=/common/get-host-info.sub.js // META: script=/common/utils.js // META: script=/html/browsers/browsing-the-web/back-forward-cache/resources/rc-helper.js // META: script=/html/browsers/browsing-the-web/remote-context-helper/resources/remote-context-helper.js // META: timeout=long promise_test(async t => { const rcHelper = new RemoteContextHelper(); // Open a window with noopener so that BFCache will work. const rc1 = await rcHelper.addWindow( /*config=*/ null, /*options=*/ {features: 'noopener'}); const rc1_url = await rc1.executeScript(() => { return location.href; }); // Request a WebLock. let return_value = await rc1.executeScript(() => { return new Promise((resolve) => { navigator.locks.request('resource', () => { resolve(42); }); }) }); assert_equals(return_value, 42); // Check the BFCache result and the reported reasons. await assertBFCacheEligibility(rc1, /*shouldRestoreFromBFCache=*/ false); await assertNotRestoredFromBFCache(rc1, ['lock']); });