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<!DOCTYPE HTML>
<html>
  <head>
    <meta charset="utf-8">
    <title>Test FinalizationRegistry works in workers</title>
    <script src="/tests/SimpleTest/SimpleTest.js"></script>
    <script type="application/javascript">
      function go() {
        SimpleTest.waitForExplicitFinish();

        let worker = new Worker('finalizationRegistry_worker.js');

        worker.onevent = (event) => {
          console.log(event.message);
          throw event.error;
        };

        worker.onmessage = (event) => {
          switch (event.data) {
          case 'started':
            worker.postMessage('checkResults');
            break;

          case 'passed':
            ok(true, "Tests passed");
            SimpleTest.finish();
            break;

          default:
            console.log(event.data);
            break;
          }
        };

        worker.postMessage('startTest');
      }
    </script>
  </head>
  <body onload="go()"></body>
</html>