dom/performance/tests/test_worker_observer.html

   1 <!--
   2   Any copyright is dedicated to the Public Domain.
   3   http://creativecommons.org/publicdomain/zero/1.0/
   4 -->
   5 <!DOCTYPE html>
   6 <html>
   7 <head>
   8 <meta charset=utf-8>
   9 <title>Test for performance observer in worker</title>
  10 <script src="/resources/testharness.js"></script>
  11 <script src="/resources/testharnessreport.js"></script>
  12 </head>
  13 <body>
  14 <div id="log"></div>
  15 <script>
  16 const worker = new Worker("worker_performance_observer.js");
  17
  18 promise_test(t => {
  19   let found = false;
  20   return new Promise(resolve => {
  21     SpecialPowers.registerConsoleListener(msg => {
  22       if (msg.errorMessage === "Ignoring unsupported entryTypes: invalid.") {
  23         found = true;
  24         resolve();
  25       }
  26     });
  27     worker.addEventListener("error", resolve);
  28     worker.addEventListener("message", function(event) {
  29       if (event.data.type === "complete") {
  30         resolve();
  31       }
  32     });
  33   }).then(() => {
  34     SpecialPowers.postConsoleSentinel();
  35     assert_true(found, "got the expected console warning");
  36   });
  37 }, "Console warnings about invalid types should be logged during the tests");
  38
  39 fetch_tests_from_worker(worker);
  40 </script>
  41 </body>