<!DOCTYPE html>
<meta charset=utf-8>
<meta name="timeout" content="long">
<title>Web Locks API: bfcache</title>
<link rel=help href="https://w3c.github.io/web-locks/">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/utils.js"></script>
<script src="/common/dispatcher/dispatcher.js"></script>
<script src="/html/browsers/browsing-the-web/back-forward-cache/resources/helper.sub.js"></script>
<script type="module">
  import { runWebLocksBfcacheTest } from "./helpers.js";

  runWebLocksBfcacheTest({
    funcBeforeNavigation: async () => {
      navigator.locks.request(uniqueNameByQuery(), () => new Promise(() => { }));
      window.worker = new Worker("/web-locks/resources/worker.js");
      const { lock_id } = await postToWorkerAndWait(worker, { op: "request", name: uniqueNameByQuery() });
      await postToWorkerAndWait(worker, { op: "release", lock_id });
    },
    shouldBeCached: false,
  }, "A held lock on main thread must prevent bfcache even after worker releases locks");

  runWebLocksBfcacheTest({
    funcBeforeNavigation: async () => {
      const controller = new AbortController();
      navigator.locks.request(uniqueNameByQuery(), { signal: controller.signal }, () => new Promise(() => { }));
      window.worker = new Worker("/web-locks/resources/worker.js");
      await postToWorkerAndWait(worker, { op: "request", name: uniqueNameByQuery() });
      controller.abort();
    },
    shouldBeCached: false,
  }, "A held lock on worker must prevent bfcache even after main thread releases locks");

  runWebLocksBfcacheTest({
    funcBeforeNavigation: async () => {
      const controller = new AbortController();
      navigator.locks.request(uniqueNameByQuery(), { signal: controller.signal }, () => new Promise(() => { }));
      window.worker = new SharedWorker("/web-locks/resources/worker.js");
      worker.port.start();
      await postToWorkerAndWait(worker.port, { op: "request", name: uniqueNameByQuery() });
      controller.abort();
    },
    shouldBeCached: false,
  }, "A held lock on shared worker must prevent bfcache even after main thread releases locks");
</script>
