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<!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>
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