Source code
Revision control
Copy as Markdown
Other Tools
Test Info: Warnings
- This test has a WPT meta file that expects 1 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /performance-timeline/not-restored-reasons/performance-navigation-timing-lock.https.tentative.window.html - WPT Dashboard Interop Dashboard
// 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']);
});