test_worker_performance_entries.html

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<!-- Any copyright is dedicated to the Public Domain.

   - http://creativecommons.org/publicdomain/zero/1.0/ -->

<!DOCTYPE HTML>

<html>

<head>

  <title>PerformanceResouceTiming in workers</title>

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

  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />

</head>

<body>

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

SimpleTest.waitForExplicitFinish();

// The worker assumes it will take some amount of time to load a resource.

// With a low enough precision, the duration to load a resource may clamp

// down to zero.

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

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

var worker = new Worker('test_worker_performance_entries.js');

worker.onmessage = function(event) {

  if (event.data.type == "check") {

    ok(event.data.status, event.data.msg);

    return;

  if (event.data.type == "finish") {

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

    SimpleTest.finish();

    return;

  ok(false, "?!?");

</script>

</body>

</html>