tor-browser

The Tor Browser
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nav2-test-unique-nav-instances.html (3224B)

      1 <!DOCTYPE html>
      2 <html>
      3    <head>
      4        <meta charset="utf-8" />
      5        <title>Navigation Timing 2 WPT</title>
      6        <link rel="author" title="Google" href="http://www.google.com/" />
      7        <link rel="help" href="http://www.w3.org/TR/navigation-timing-2/#sec-PerformanceNavigationTiming"/>
      8        <script src="/resources/testharness.js"></script>
      9        <script src="/resources/testharnessreport.js"></script>
     10    </head>
     11    <body>
     12        <h1>Description</h1>
     13        <p>This test validates that each window has a unique nav timing 2 instance.</p>
     14        <iframe id="frameContext" src="resources/blank_page_green.html" style="display:none;";></iframe>
     15        <script>
     16 
     17            var navTiming2Attributes = [
     18                'connectEnd',
     19                'connectStart',
     20                'decodedBodySize',
     21                'domComplete',
     22                'domContentLoadedEventEnd',
     23                'domContentLoadedEventStart',
     24                'domInteractive',
     25                'domainLookupEnd',
     26                'domainLookupStart',
     27                'duration',
     28                'encodedBodySize',
     29                'entryType',
     30                'fetchStart',
     31                'initiatorType',
     32                'loadEventEnd',
     33                'loadEventStart',
     34                'name',
     35                'redirectCount',
     36                'redirectEnd',
     37                'redirectStart',
     38                'requestStart',
     39                'responseEnd',
     40                'responseStart',
     41                'secureConnectionStart',
     42                'transferSize',
     43                'type',
     44                'unloadEventEnd',
     45                'unloadEventStart',
     46                'workerStart'
     47            ];
     48 
     49            function not_same_instance(instance1, instance2, attributes) {
     50                for (var i in attributes) {
     51                    if (instance1[attributes[i]] != instance2[attributes[i]])
     52                        return true;
     53                }
     54                return false;
     55            }
     56 
     57            async_test(function (t) {
     58                var observer = new PerformanceObserver(
     59                    t.step_func(function (entryList) {
     60                        assert_equals(entryList.getEntriesByType("navigation").length, 1, "Only one nav timing instance exists.");
     61                        assert_equals(document.getElementById("frameContext").contentWindow.performance.getEntriesByType("navigation").length, 1,
     62                            "Only one nav timing instance exists.");
     63                        var main_frame_instance = entryList.getEntriesByType("navigation")[0];
     64                        var iframe_instance = document.getElementById("frameContext").contentWindow.performance.getEntriesByType("navigation")[0];
     65                        assert_true(not_same_instance(main_frame_instance, iframe_instance, navTiming2Attributes),
     66                            "Two nav timing instances are not the same instance.");
     67                        observer.disconnect();
     68                        t.done();
     69                    })
     70                );
     71                observer.observe({entryTypes: ["navigation"]});
     72 
     73            }, "Each window has a unique nav timing 2 instance.");
     74        </script>
     75    </body>
     76 </html>