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path: root/dom/tests/browser/browser_bug1004814.js
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/* vim:set ts=2 sw=2 sts=2 et: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

add_task(async function() {
  const TEST_URI =
    "http://example.com/browser/dom/tests/browser/test_bug1004814.html";

  await BrowserTestUtils.withNewTab(TEST_URI, async aBrowser => {
    let duration = await SpecialPowers.spawn(aBrowser, [], function(opts) {
      return new Promise(resolve => {
        let ConsoleObserver = {
          QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),

          observe(aSubject, aTopic, aData) {
            var obj = aSubject.wrappedJSObject;
            if (
              obj.arguments.length != 1 ||
              obj.arguments[0] != "bug1004814" ||
              obj.level != "timeEnd"
            ) {
              return;
            }

            Services.obs.removeObserver(this, "console-api-log-event");
            resolve(obj.timer.duration);
          },
        };

        Services.obs.addObserver(ConsoleObserver, "console-api-log-event");

        var w = new content.Worker("worker_bug1004814.js");
        w.postMessage(true);
      });
    });

    ok(
      duration > 0,
      "ConsoleEvent.timer.duration > 0: " + duration + " ~ 200ms"
    );
  });
});