test_timeZoneOverride.html

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<!--

  Any copyright is dedicated to the Public Domain.

  http://creativecommons.org/publicdomain/zero/1.0/

-->

<!DOCTYPE HTML>

<html>

<head>

  <title>Test for Bug 2022367</title>

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

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

</head>

<body>

<script type="text/javascript">

SimpleTest.waitForExplicitFinish();

SpecialPowers.pushPrefEnv({"set": [["privacy.resistFingerprinting", true]]}).then(runTest);

function runTest() {

  const nestedWorkerCode = `

    for (let i = 0; i < 20; i++) {

      let d = new Date();

      d.getHours();

      d.toString();

    postMessage("done");

`;

  const parentWorkerCode = `

    const nestedBlob = new Blob([${JSON.stringify(nestedWorkerCode)}], {type: "application/javascript"});

    const nestedURL = URL.createObjectURL(nestedBlob);

    const NUM_NESTED = 2;

    let doneCount = 0;

    for (let n = 0; n < NUM_NESTED; n++) {

      let w = new Worker(nestedURL);

      w.onmessage = function() {

        doneCount++;

        if (doneCount === NUM_NESTED) {

          postMessage("done");

`;

  const blob = new Blob([parentWorkerCode], {type: "application/javascript"});

  const url = URL.createObjectURL(blob);

  const NUM_WORKERS = 2;

  let doneCount = 0;

  for (let i = 0; i < NUM_WORKERS; i++) {

    let worker = new Worker(url);

    worker.onmessage = function() {

      doneCount++;

      ok(true, `Worker ${i} and its nested workers completed`);

      if (doneCount === NUM_WORKERS) {

        ok(true, "All workers finished");

        SimpleTest.finish();

};

</script>

</body>

</html>