File: performance-navigation-timing-lock.https.tentative.window.js

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// 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']);
});