testing/web-platform/tests/resource-timing/entry-attributes.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <meta charset="utf-8" />
   5 <title>Resource Timing: PerformanceResourceTiming attributes</title>
   6 <link rel="help" href="https://www.w3.org/TR/resource-timing-2/#sec-performanceresourcetiming"/>
   7 <script src="/resources/testharness.js"></script>
   8 <script src="/resources/testharnessreport.js"></script>
   9 <script>
  10
  11 // Returns a promise that settles once the given path has been fetched.
  12 function load_image(path) {
  13   return new Promise(resolve => {
  14     const img = new Image();
  15     img.onload = img.onerror = resolve;
  16     img.src = path;
  17   });
  18 }
  19
  20 promise_test(async () => {
  21   // Clean up entries from scripts includes.
  22   performance.clearResourceTimings();
  23   await load_image("resources/fake_responses.py#hash=1");
  24   const entry_list = performance.getEntriesByType("resource");
  25   if (entry_list.length != 1) {
  26     throw new Error("There should be one entry for one resource");
  27   }
  28   assert_true(entry_list[0].name.includes('#hash=1'),
  29       "There should be a hash in the resource name");
  30 }, "URL fragments should be present in the 'name' attribute");
  31
  32 </script>
  33 </head>
  34 <body>
  35 <h1>Description</h1>
  36 <p>This test validates that PerformanceResourceTiming entries' attributes are
  37 populated with the correct values.</p>
  38 </body>
  39 </html>