The Tor Browser / file revision

 /* Any copyright is dedicated to the Public Domain.

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

 "use strict";

 function test() {

   runTests();

 }

 gTests.push({

   desc: "rotating divs",

   run: function run() {

     yield addTab(chromeRoot + "res/divs_test.html", true);

     yield hideContextUI();

     yield hideNavBar();

     let stopwatch = new StopWatch();

     let win = Browser.selectedTab.browser.contentWindow;

     let domUtils = win.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils);

     yield waitForEvent(win, "teststarted", 5000);

     // the test runs for five seconds

     let recordingHandle = domUtils.startFrameTimeRecording();

     stopwatch.start();

     let event = yield waitForEvent(win, "testfinished", 10000);

     let intervals = domUtils.stopFrameTimeRecording(recordingHandle);

     let msec = stopwatch.stop();

     PerfTest.declareTest("B924F3FA-4CB5-4453-B131-53E3611E0765",

                          "rotating divs w/text", "graphics", "content",

                          "Measures animation frames for rotating translucent divs on top of a background of text.");

     PerfTest.declareFrameRateResult(intervals.length, msec, "fps");

   }

 });