test_strongworker.html

Enable keyboard shortcuts

<!DOCTYPE html>

<meta charset="utf-8">

<script src="/tests/SimpleTest/SimpleTest.js"></script>

<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>

<script>

  SimpleTest.waitForExplicitFinish();

  async function run() {

    // Bug 1746646: Make mochitests work with TCP enabled (cookieBehavior = 5)

    // Acquire storage access permission here so that the BroadcastChannel used to

    // communicate with the opened windows works in xorigin tests. Otherwise,

    // the iframe containing this page is isolated from first-party storage access,

    // which isolates BroadcastChannel communication.

    if (isXOrigin) {

      SpecialPowers.wrap(document).notifyUserGestureActivation();

      await SpecialPowers.addPermission(

        "storageAccessAPI",

        true,

        window.location.href

);

      await SpecialPowers.wrap(document).requestStorageAccess();

    const channel = new BroadcastChannel("strongworker");

    await navigator.locks.request("exclusive", async () => {

      await new Promise(resolve => {

        let worker = new Worker("./file_strongworker.js");

        worker.onmessage = resolve; // onload

});

      const query = await navigator.locks.query();

      is(query.pending.length, 1, "Pending request exists");

      // Garbage collect the worker

      SpecialPowers.DOMWindowUtils.garbageCollect();

});

    channel.onmessage = async () => {

      const query = await navigator.locks.query();

      is(query.pending.length, 0, "No pending request");

      SimpleTest.finish();

};

  run();

</script>