tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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resource-timing.https.tentative.html (1864B)


      1 <!DOCTYPE html>
      2 <meta charset="utf-8" />
      3 <title>Resource timing entries present for uuid-in-package resources</title>
      4 <script src="/resources/testharness.js"></script>
      5 <script src="/resources/testharnessreport.js"></script>
      6 <script src="../resources/test-helpers.js"></script>
      7 <body>
      8  <script>
      9    setup(() => {
     10      assert_true(HTMLScriptElement.supports("webbundle"));
     11    });
     12 
     13    promise_test(async (t) => {
     14      const script_id = "uuid-in-package:020111b3-437a-4c5c-ae07-adb6bbffb720";
     15      const element = createWebBundleElement(
     16        "../resources/wbn/uuid-in-package.wbn",
     17        /*resources=*/ [script_id]
     18      );
     19      document.body.appendChild(element);
     20      let script_entries = 0;
     21      // Declare the report_result function as outputting into stderr
     22      // because it is used in the WebBundle script to report the script load.
     23      window.report_result = console.error;
     24      const promise = new Promise((resolve) => {
     25        new PerformanceObserver(
     26          t.step_func((entryList) => {
     27            let entries = entryList.getEntriesByType("resource");
     28            for (let i = 0; i < entries.length; ++i) {
     29              // Ignore any entries for the test harness files if present.
     30              if (/testharness(report)?\.js/.test(entries[i].name)) {
     31                continue;
     32              }
     33 
     34              if (entries[i].name === script_id) ++script_entries;
     35            }
     36            if (script_entries == 1) {
     37              resolve();
     38            }
     39          })
     40        ).observe({ entryTypes: ["resource"] });
     41      });
     42      // Add the script so we get the ResourceTiming
     43      const script = document.createElement("script");
     44      script.src = script_id;
     45      document.body.appendChild(script);
     46      return promise;
     47    }, "Each uuid-in-package resource should have exactly 1 ResourceTiming entry.");
     48  </script>
     49 </body>