The Tor Browser: browser/metro/base/tests/mochiperf/browser_deck

     1 /* Any copyright is dedicated to the Public Domain.

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

     4 "use strict";

     6 function test() {

     7   runTests();

8 }

    10 gTests.push({

    11   desc: "deck offset",

    12   run: function run() {

    13     yield addTab("about:mozilla");

    14     yield hideContextUI();

    15     yield hideNavBar();

    16     yield waitForMs(3000);

    18     let shiftDataSet = new Array();

    19     let paintDataSet = new Array();

    20     let stopwatch = new StopWatch();

    21     let win = Browser.selectedTab.browser.contentWindow;

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

    24     for (let idx = 0; idx < 10; idx++) {

    25       let recordingHandle = domUtils.startFrameTimeRecording();

    26       stopwatch.start();

    27       let promise = waitForEvent(window, "MozDeckOffsetChanged");

    28       ContentAreaObserver.shiftBrowserDeck(300);

    29       yield promise;

    30       promise = waitForEvent(window, "MozDeckOffsetChanged");

    31       ContentAreaObserver.shiftBrowserDeck(0);

    32       yield promise;

    33       stopwatch.stop();

    34       yield waitForMs(500);

    35       let intervals = domUtils.stopFrameTimeRecording(recordingHandle);

    36       shiftDataSet.push(stopwatch.time());

    37       paintDataSet.push(intervals.length);

    38     }

    40     PerfTest.declareTest("ecb5fbec-0b3d-490f-8d4a-13fa8963e54a",

    41                          "shift browser deck", "browser", "ux",

    42                          "Triggers multiple SKB deck shifting operations using an offset " +

    43                          "value of 300px. Measures total time in milliseconds for a up/down " +

    44                          "shift operation plus the total number of frames. Strips outliers.");

    45     let shiftAverage = PerfTest.computeAverage(shiftDataSet, { stripOutliers: true });

    46     let paintAverage = PerfTest.computeAverage(paintDataSet, { stripOutliers: true });

    47     PerfTest.declareNumericalResults([

    48       { value: shiftAverage, desc: "msec" },

    49       { value: paintAverage, desc: "frame count" },

    50     ]);

    51   }

    52 });

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