test_performance_user_timing.html

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    <!--

              https://bugzilla.mozilla.org/show_bug.cgi?id=782751

-->

    <head>

        <title>Test for Bug 782751</title>

        <meta http-equiv="content-type" content="text/html; charset=UTF-8">

        <script src="/tests/SimpleTest/SimpleTest.js"></script>

        <script type="text/javascript" src="test_performance_user_timing.js"></script>

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        <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=782751">Mozilla Bug 782751 - User Timing API</a>

        <div id="content">

        </div>

        <pre id="test">

            <script class="testbody" type="text/javascript">

             var index = 0;

             function next() {

                 ok(true, "Begin!");

                 var arr;

                 for (var i = 0; i < steps.length; ++i) {

                     try {

                         performance.clearMarks();

                         performance.clearMeasures();

                         performance.clearResourceTimings();

                         is(performance.getEntriesByType("resource").length, 0, "clearing performance resource entries");

                         is(performance.getEntriesByType("mark").length, 0, "clearing performance mark entries");

                         is(performance.getEntriesByType("measure").length, 0, "clearing performance measure entries");

                         steps[i]();

                     } catch(ex) {

                         ok(false, "Caught exception", ex);

                SpecialPowers.setBoolPref("privacy.reduceTimerPrecision", reduceTimePrecisionPrevPrefValue);

                SimpleTest.finish();

             var reduceTimePrecisionPrevPrefValue = SpecialPowers.getBoolPref("privacy.reduceTimerPrecision");

             SpecialPowers.setBoolPref("privacy.reduceTimerPrecision", false);

             SimpleTest.waitForExplicitFinish();

             addLoadEvent(next);

            </script>

        </pre>

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