chromium/third_party/blink/web_tests/external/wpt/service-workers/service-worker/import-scripts-mime-types.https.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>Tests for importScripts: MIME types</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-helpers.sub.js"></script>
<body>
<script>
/**
 * Test that a Service Worker's importScript() only accepts valid MIME types.
 */
let serviceWorker = null;

promise_test(async t => {
  const scope = 'resources/import-scripts-mime-types';
  const registration = await service_worker_unregister_and_register(t,
    'resources/import-scripts-mime-types-worker.js', scope);

  add_completion_callback(() => { registration.unregister(); });

  await wait_for_state(t, registration.installing, 'activated');

  serviceWorker = registration.active;
}, 'Global setup');

promise_test(async t => {
  await fetch_tests_from_worker(serviceWorker);
}, 'Fetch importScripts tests from service worker')
</script>
</body>