dom/tests/browser/browser_bug1004814.js

   1 /* vim:set ts=2 sw=2 sts=2 et: */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 add_task(async function () {
   7   const TEST_URI =
   8     "http://example.com/browser/dom/tests/browser/test_bug1004814.html";
   9
  10   await BrowserTestUtils.withNewTab(TEST_URI, async aBrowser => {
  11     let duration = await SpecialPowers.spawn(aBrowser, [], function () {
  12       const ConsoleAPIStorage = Cc[
  13         "@mozilla.org/consoleAPI-storage;1"
  14       ].getService(Ci.nsIConsoleAPIStorage);
  15
  16       return new Promise(resolve => {
  17         function observe(aSubject) {
  18           var obj = aSubject.wrappedJSObject;
  19           if (
  20             obj.arguments.length != 1 ||
  21             obj.arguments[0] != "bug1004814" ||
  22             obj.level != "timeEnd"
  23           ) {
  24             return;
  25           }
  26
  27           ConsoleAPIStorage.removeLogEventListener(observe);
  28           resolve(obj.timer.duration);
  29         }
  30
  31         ConsoleAPIStorage.addLogEventListener(
  32           observe,
  33           Cc["@mozilla.org/systemprincipal;1"].createInstance(Ci.nsIPrincipal)
  34         );
  35
  36         var w = new content.Worker("worker_bug1004814.js");
  37         w.postMessage(true);
  38       });
  39     });
  40
  41     Assert.greater(
  42       duration,
  43       0,
  44       "ConsoleEvent.timer.duration > 0: " + duration + " ~ 200ms"
  45     );
  46   });
  47 });