The Tor Browser: dom/workers/test/test_workersDisabled.html@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 <!--

     2   Any copyright is dedicated to the Public Domain.

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

     4 -->

     5 <!DOCTYPE HTML>

     6 <html>

     7   <head>

     8     <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js">

     9     </script>

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

    11   </head>

    12   <body>

    13     <script type="text/javascript">

    14       SimpleTest.waitForExplicitFinish();

    16       const enabledPref = "dom.workers.enabled";

    18       is(SpecialPowers.getBoolPref(enabledPref), true,

    19          "Workers should be enabled.");

    21       SpecialPowers.pushPrefEnv({"set": [[enabledPref, false]]}, test1);

    23       function test1() {

    24         ok(!("Worker" in window), "Worker constructor should not be available.");

    26         var exception;

    27         try {

    28           var worker = new Worker("workersDisabled_worker.js");

    29         }

    30         catch(e) {

    31           exception = e;

    32         }

    34         ok(exception, "Shouldn't be able to make a worker.");

    36         SpecialPowers.pushPrefEnv({"set": [[enabledPref, true]]}, test2);

    37       }

    39       function test2() {

    40         ok(("Worker" in window), "Worker constructor should be available.");

    42         const message = "Hi";

    44         var worker = new Worker("workersDisabled_worker.js");

    45         worker.onmessage = function(event) {

    46           is(event.data, message, "Good message.");

    47           SimpleTest.finish();

    48         }

    49         worker.postMessage(message);

    50       }

    51     </script>

    52   </body>

    53 </html>

The Tor Browser / file revision