sharedworker-multiple.tentative.https.html

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This WPT test may be referenced by the following Test IDs:
- /web-locks/bfcache/sharedworker-multiple.tentative.https.html - WPT Dashboard Interop Dashboard

<!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>

  const connectToSharedWorker = async () => {

    await window.pageShowPromise;

    window.worker = new SharedWorker("/web-locks/resources/worker.js");

    worker.port.start();

  function double_docs_test(func, description) {

    promise_test(async t => {

      const pageA1 = new RemoteContext(token());

      const pageA2 = new RemoteContext(token());

      const pageB1 = new RemoteContext(token());

      const pageB2 = new RemoteContext(token());

      const urlA1 = executorPath + pageA1.context_id;

      const urlA2 = executorPath + pageA2.context_id;

      const urlB1 = originCrossSite + executorPath + pageB1.context_id;

      const urlB2 = originCrossSite + executorPath + pageB2.context_id;

      window.open(urlA1, "_blank", "noopener");

      window.open(urlA2, "_blank", "noopener");

      await func(pageA1, pageA2);

      await Promise.all([

        navigateAndThenBack(pageA1, pageB1, urlB1),

        navigateAndThenBack(pageA2, pageB2, urlB2),

]);

      await assert_not_bfcached(pageA1);

      await assert_not_bfcached(pageA2);

    }, description);

  double_docs_test(async (pageA1, pageA2) => {

    await Promise.all([

      pageA1.execute_script(connectToSharedWorker),

      pageA2.execute_script(connectToSharedWorker),

]);

    await pageA1.execute_script(async () => {

      const script = document.createElement("script");

      script.src = "/web-locks/resources/helpers.js";

      document.head.append(script);

      await new Promise(resolve => script.onload = resolve);

      await postToWorkerAndWait(worker.port, { op: "request", name: uniqueNameByQuery() });

});

  }, "A new held lock must prevent bfcache on all connected documents");

  double_docs_test(async (pageA1, pageA2) => {

    await pageA1.execute_script(connectToSharedWorker);

    await pageA1.execute_script(async () => {

      const script = document.createElement("script");

      script.src = "/web-locks/resources/helpers.js";

      document.head.append(script);

      await new Promise(resolve => script.onload = resolve);

      await postToWorkerAndWait(worker.port, { op: "request", name: uniqueNameByQuery() });

});

    await pageA2.execute_script(connectToSharedWorker);

  }, "An existing held lock must prevent bfcache on all connected documents");

</script>