chromium/third_party/blink/web_tests/external/wpt/workers/dedicated-worker-parse-error-failure.html

<!DOCTYPE html>
<title>DedicatedWorker: parse error failure</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script> setup({allow_uncaught_exception: true}); </script>
<script src="./support/check-error-arguments.js"></script>
<script>

promise_test(async () => {
  const scriptURL = 'modules/resources/syntax-error.js';
  const worker = new Worker(scriptURL, { type: 'classic' });
  const args = await new Promise(resolve =>
      worker.onerror = (...args) => resolve(args));
  window.checkErrorArguments(args);
}, 'Classic worker construction for script with syntax error should dispatch ' +
   'an event named error.');

promise_test(async () => {
  const scriptURL = 'modules/resources/static-import-worker.js';
  const worker = new Worker(scriptURL, { type: 'classic' });
  worker.postMessage('Send message for tests from main script.');
  const args = await new Promise(resolve =>
      worker.onerror = (...args) => resolve(args));
  window.checkErrorArguments(args);
}, 'Static import on classic worker should dispatch an event named error.');

</script>