The Tor Browser: dom/workers/test/sharedWorker

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 "use strict";

     7 if (!("self" in this)) {

     8   throw new Error("No 'self' exists on SharedWorkerGlobalScope!");

9 }

    10 if (this !== self) {

    11   throw new Error("'self' not equal to global object!");

    12 }

    13 if (!(self instanceof SharedWorkerGlobalScope)) {

    14   throw new Error("self not a SharedWorkerGlobalScope instance!");

    15 }

    17 var propsToCheck = [

    18   "location",

    19   "navigator",

    20   "close",

    21   "importScripts",

    22   "setTimeout",

    23   "clearTimeout",

    24   "setInterval",

    25   "clearInterval",

    26   "dump",

    27   "atob",

    28   "btoa"

    29 ];

    31 for (var index = 0; index < propsToCheck.length; index++) {

    32   var prop = propsToCheck[index];

    33   if (!(prop in self)) {

    34     throw new Error("SharedWorkerGlobalScope has no '" + prop + "' property!");

    35   }

    36 }

    38 onconnect = function(event) {

    39   if (!("SharedWorkerGlobalScope" in self)) {

    40     throw new Error("SharedWorkerGlobalScope should be visible!");

    41   }

    42   if (!(self instanceof SharedWorkerGlobalScope)) {

    43     throw new Error("The global should be a SharedWorkerGlobalScope!");

    44   }

    45   if (!(self instanceof WorkerGlobalScope)) {

    46     throw new Error("The global should be a WorkerGlobalScope!");

    47   }

    48   if ("DedicatedWorkerGlobalScope" in self) {

    49     throw new Error("DedicatedWorkerGlobalScope should not be visible!");

    50   }

    51   if (!(event instanceof MessageEvent)) {

    52     throw new Error("'connect' event is not a MessageEvent!");

    53   }

    54   if (!("ports" in event)) {

    55     throw new Error("'connect' event doesn't have a 'ports' property!");

    56   }

    57   if (event.ports.length != 1) {

    58     throw new Error("'connect' event has a 'ports' property with length '" +

    59                     event.ports.length + "'!");

    60   }

    61   if (!event.ports[0]) {

    62     throw new Error("'connect' event has a null 'ports[0]' property!");

    63   }

    64   if (!(event.ports[0] instanceof MessagePort)) {

    65     throw new Error("'connect' event has a 'ports[0]' property that isn't a " +

    66                     "MessagePort!");

    67   }

    68   if (!(event.ports[0] == event.source)) {

    69     throw new Error("'connect' event source property is incorrect!");

    70   }

    71   if (event.data) {

    72     throw new Error("'connect' event has data: " + event.data);

    73   }

    75   event.ports[0].onmessage = function(event) {

    76     if (!(event instanceof MessageEvent)) {

    77       throw new Error("'message' event is not a MessageEvent!");

    78     }

    79     if (!("ports" in event)) {

    80       throw new Error("'message' event doesn't have a 'ports' property!");

    81     }

    82     if (!(event.ports === null)) {

    83       throw new Error("'message' event has a non-null 'ports' property!");

    84     }

    85     event.target.postMessage(event.data);

    86     throw new Error(event.data);

    87   };

    88 };

The Tor Browser / file revision