test_toggling_performance_navigation_timing.html

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This test gets skipped with pattern: win10_2009 && bits == 64 && !debug OR win11_2009 && bits == 64 && !debug OR apple_catalina && !debug OR apple_silicon && !debug
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Manifest: dom/tests/mochitest/general/mochitest.toml

<!DOCTYPE HTML>

<html>

<head>

  <meta charset="utf-8">

  <title>Test for Bug 1511941 - Don't expose PerformanceNavigationTiming when it is disabled</title>

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

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

</head>

<body>

  <div id="content"> </div>

  <script type="application/javascript">

    async function testWhetherExposed(resistFingerprinting, enable_performance_navigation_timing) {

      await SpecialPowers.pushPrefEnv({

        "set": [["privacy.resistFingerprinting", resistFingerprinting],

                ["dom.enable_performance_navigation_timing", enable_performance_navigation_timing]],

});

      var iframe = document.createElement("iframe");

      document.body.append(iframe);

      var p = iframe.contentWindow.PerformanceNavigationTiming;

      if (enable_performance_navigation_timing && resistFingerprinting)

        isnot(p, undefined, "window.PerformanceNavigationTiming should be exposed when"

                         + " dom.enable_performance_navigation_timing=" + enable_performance_navigation_timing

                         + " and privacy.resistFingerprinting="+ resistFingerprinting +".");

      if (!enable_performance_navigation_timing)

        is(p, undefined, "window.PerformanceNavigationTiming should not be exposed when"

                         + " dom.enable_performance_navigation_timing=" + enable_performance_navigation_timing

                         + " and privacy.resistFingerprinting="+ resistFingerprinting +".");

      if (enable_performance_navigation_timing && !resistFingerprinting) {

        isnot(p, undefined, "window.PerformanceNavigationTiming should be exposed when"

                            + " dom.enable_performance_navigation_timing=" + enable_performance_navigation_timing

                            + " and privacy.resistFingerprinting="+ resistFingerprinting +".");

    async function start() {

      await testWhetherExposed(true,true);

      await testWhetherExposed(true,false);

      await testWhetherExposed(false,true);

      await testWhetherExposed(false,false);

      SimpleTest.finish();

    SimpleTest.waitForExplicitFinish();

    start();

  </script>

</body>

</html>