tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_server_timing.https.html (1623B)

      1 <!DOCTYPE html>
      2 <head>
      3    <meta charset='utf-8' />
      4    <script src="/resources/testharness.js"></script>
      5    <script src="/resources/testharnessreport.js"></script>
      6    <script src="/common/performance-timeline-utils.js"></script>
      7    <script>
      8      setup({explicit_done: true})
      9 
     10      delayedLoadListener(function() {
     11        // there should be exactly three server-timing entries, 2 for document, 1 for img#one
     12        test_entries(performance.getEntriesByType('navigation')[0].serverTiming, [{
     13          duration: 1.1,
     14          name: 'metric1',
     15          description: 'document',
     16        }, {
     17          duration: 1.2,
     18          name: 'metric1',
     19          description: 'document',
     20        }])
     21        test_entries(performance.getEntriesByName(document.querySelector('img#one').src)[0].serverTiming, [{
     22          duration: 2.1,
     23          name: 'metric2',
     24          description: 'blue.png',
     25        }])
     26 
     27        new PerformanceObserver(function(entryList, observer) {
     28          // there should be exactly one server-timing entry, 1 for img#two
     29          test_entries(entryList.getEntriesByName(document.querySelector('img#two').src)[0].serverTiming, [{
     30            duration: 3.1,
     31            name: 'metric3',
     32            description: 'green.png',
     33          }])
     34          observer.disconnect()
     35          done()
     36        }).observe({entryTypes: ['resource']})
     37 
     38        var img = document.createElement('img')
     39        img.id = 'two'
     40        img.src = './resources/green.png'
     41        document.getElementsByTagName('script')[0].parentNode.appendChild(img)
     42      })
     43    </script>
     44 </head>
     45 <img id='one' src='resources/blue.png'>