tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test-timing-attributes-dependent-on-document-load.html (3224B)

      1 <!DOCTYPE html>
      2 <html>
      3 <head>
      4    <meta charset="utf-8" />
      5    <title>Navigation Timing 2 WPT</title>
      6    <script src="/resources/testharness.js"></script>
      7    <script src="/resources/testharnessreport.js"></script>
      8    <script>
      9        setup({ single_test: true });
     10        var reload_frame;
     11 
     12        // Array of navigation timing entries dependent on Document Load Timing.
     13        var navTimingAttributes = [
     14          'fetchStart',
     15          'loadEventEnd',
     16          'loadEventStart',
     17          'redirectCount',
     18          'redirectEnd',
     19          'redirectStart',
     20          'responseEnd',
     21          'unloadEventEnd',
     22          'unloadEventStart',
     23        ];
     24 
     25        // Function to run the test when the page loads.
     26        function onload_test() {
     27            reload_frame = document.getElementById("frameContext");
     28            reload_frame.onload = function() {
     29                step_timeout(do_test, 0);
     30            }
     31            step_timeout(reload_the_frame, 0);
     32        }
     33 
     34        /*
     35          Function to reload the iframe and observe values for navigation timing entries:
     36          redirectStart, redirectEnd and redirectCount dependent on Document Load Timing.
     37        */
     38        function reload_the_frame() {
     39            reload_frame.contentWindow.location.href =
     40            "/common/redirect.py?location=/navigation-timing/resources/blank-page-green.html";
     41        }
     42 
     43        /*
     44          Function to obtain navigation timing entries and,
     45          check if the values are greater than 0.
     46        */
     47        function do_test() {
     48            var nav_frame = document.getElementById("frameContext").contentWindow;
     49            var pnt1 = nav_frame.performance.getEntriesByType("navigation")[0];
     50            for (i in navTimingAttributes) {
     51                assert_greater_than(pnt1[navTimingAttributes[i]], 0,
     52                `Expected navigation timing entries: ${navTimingAttributes[i]} greater than 0`);
     53            }
     54            step_timeout(remove, 0);
     55            done(); // Avoids scripting errors
     56        }
     57 
     58        /*
     59         Function to remove the iframe from the parent body and,
     60         check if the navigation timing entries of detached iframe are 0.
     61         */
     62        function remove() {
     63            var nav_frame = document.getElementById("frameContext").contentWindow;
     64            var pnt1 = nav_frame.performance.getEntriesByType("navigation")[0];
     65            document.body.removeChild(document.getElementById("frameContext"));
     66            for (i in navTimingAttributes) {
     67                assert_equals(pnt1[navTimingAttributes[i]], 0,
     68                `${navTimingAttributes[i]} dependent on Document Load Timing: returns 0`);
     69            }
     70        }
     71    </script>
     72 </head>
     73 <body onload="onload_test();">
     74    <h1>Description</h1>
     75    <p>This test observes values of navigation timing entries,</p>
     76    <p>dependent on Document Load Timing for a detached iframe.</p>
     77    <br />
     78    <p>This page should be loaded with a green background frame below,</p>
     79    <p>which disappears after the iframe is detached.</p>
     80    <br />
     81    <iframe id="frameContext"
     82            src="/navigation-timing/resources/blank-page-green.html"
     83            style="width: 250px; height: 250px;"></iframe>
     84 </body>
     85 </html>