The Tor Browser: dom/workers/test/sharedWorker_sharedWorker.js@925c144e1f1f (annotated)

dom/workers/test/sharedWorker_sharedWorker.js@925c144e1f1f (annotated)

dom/workers/test/sharedWorker_sharedWorker.js

Fri, 16 Jan 2015 18:13:44 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Fri, 16 Jan 2015 18:13:44 +0100
branch: TOR_BUG_9701
changeset 14: 925c144e1f1f
permissions: -rw-r--r--

Integrate suggestion from review to improve consistency with existing code.

 /**
  * Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/publicdomain/zero/1.0/
  */
 "use strict";
 if (!("self" in this)) {
   throw new Error("No 'self' exists on SharedWorkerGlobalScope!");
 }
 if (this !== self) {
   throw new Error("'self' not equal to global object!");
 }
 if (!(self instanceof SharedWorkerGlobalScope)) {
   throw new Error("self not a SharedWorkerGlobalScope instance!");
 }
 var propsToCheck = [
   "location",
   "navigator",
   "close",
   "importScripts",
   "setTimeout",
   "clearTimeout",
   "setInterval",
   "clearInterval",
   "dump",
   "atob",
   "btoa"
 ];
 for (var index = 0; index < propsToCheck.length; index++) {
   var prop = propsToCheck[index];
   if (!(prop in self)) {
     throw new Error("SharedWorkerGlobalScope has no '" + prop + "' property!");
   }
 }
 onconnect = function(event) {
   if (!("SharedWorkerGlobalScope" in self)) {
     throw new Error("SharedWorkerGlobalScope should be visible!");
   }
   if (!(self instanceof SharedWorkerGlobalScope)) {
     throw new Error("The global should be a SharedWorkerGlobalScope!");
   }
   if (!(self instanceof WorkerGlobalScope)) {
     throw new Error("The global should be a WorkerGlobalScope!");
   }
   if ("DedicatedWorkerGlobalScope" in self) {
     throw new Error("DedicatedWorkerGlobalScope should not be visible!");
   }
   if (!(event instanceof MessageEvent)) {
     throw new Error("'connect' event is not a MessageEvent!");
   }
   if (!("ports" in event)) {
     throw new Error("'connect' event doesn't have a 'ports' property!");
   }
   if (event.ports.length != 1) {
     throw new Error("'connect' event has a 'ports' property with length '" +
                     event.ports.length + "'!");
   }
   if (!event.ports[0]) {
     throw new Error("'connect' event has a null 'ports[0]' property!");
   }
   if (!(event.ports[0] instanceof MessagePort)) {
     throw new Error("'connect' event has a 'ports[0]' property that isn't a " +
                     "MessagePort!");
   }
   if (!(event.ports[0] == event.source)) {
     throw new Error("'connect' event source property is incorrect!");
   }
   if (event.data) {
     throw new Error("'connect' event has data: " + event.data);
   }
   event.ports[0].onmessage = function(event) {
     if (!(event instanceof MessageEvent)) {
       throw new Error("'message' event is not a MessageEvent!");
     }
     if (!("ports" in event)) {
       throw new Error("'message' event doesn't have a 'ports' property!");
     }
     if (!(event.ports === null)) {
       throw new Error("'message' event has a non-null 'ports' property!");
     }
     event.target.postMessage(event.data);
     throw new Error(event.data);
   };
 };