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<!doctype html>
<html>
<html>
<head>
  <meta http-equiv="Content-Security-Policy" content="require-trusted-types-for 'script';">
  <script src="/resources/testharness.js"></script>
  <script src="/resources/testharnessreport.js"></script>
</head>
</head>
<body>
<script>

const test_url = "support/WorkerGlobalScope-importScripts.https.js"
const trusted_url = trustedTypes.createPolicy("anythinggoes", {
const trusted_url = trustedTypes.createPolicy("anythinggoes", {
  createScriptURL: x => x}).createScriptURL(test_url);
const default_url = "support/WorkerGlobalScope-importScripts.potato.js"

async function service_worker(url) {
  if (!('serviceWorker' in navigator)) return Promise.resolve();

  const scope = 'support/some/scope/for/this/test';
  const scope = 'support/some/scope/for/this/test';
  const reg = await navigator.serviceWorker.getRegistration(scope);
  if (reg) await reg.unregister();
  return await navigator.serviceWorker.register(url, {scope});
}


// Most tests below don't need promises, but the ones related to
// ServiceWorkers do. Since we can't mix promise and non-promise tests,
// we'll just run the non-promise tests in the main function and return
// an empty-resolved promise for those.
// an empty-resolved promise for those.
// Since an active default policy will affect all subsequent DOM operations,
// we're wrapping policy creation in a promise_test. Together, this will
// force proper serialization of all tests.
//
// Generally, we don't actually care what the workers here do, we'll merely
// Generally, we don't actually care what the workers here do, we'll merely
// check whether creation succeeds.

promise_test(t => {
  new Worker(trusted_url);
  return Promise.resolve();
  return Promise.resolve();
}, "Create Worker via ScriptTestUrl");

promise_test(t => {
  new SharedWorker(trusted_url);
  return Promise.resolve();
  return Promise.resolve();
}, "Create SharedWorker via ScriptTestUrl");

promise_test(t => {
  return service_worker(trusted_url);
  return service_worker(trusted_url);
}, "Create ServiceWorker via ScriptTestUrl");

promise_test(t => {
  assert_throws_js(TypeError, () => new Worker(test_url));
  return Promise.resolve();
  return Promise.resolve();
}, "Block Worker creation via string");

promise_test(t => {
  assert_throws_js(TypeError, () => new SharedWorker(test_url));
  return Promise.resolve();
  return Promise.resolve();
}, "Block SharedWorker creation via string");

promise_test(t => {
promise_test(t => {
  return promise_rejects_js(t, TypeError, service_worker(test_url));
}, "Block ServiceWorker creation via String");

// Tests with default policy.
promise_test(t => {
promise_test(t => {
  trustedTypes.createPolicy("default", {
      createScriptURL: s => s.replace("potato", "https") });
  return Promise.resolve();
}, "Setup default policy.");


promise_test(t => {
  new Worker(default_url);
  return Promise.resolve();
}, "Create Worker via string with default policy.");


promise_test(t => {
  new SharedWorker(default_url);
  return Promise.resolve();
}, "Create SharedWorker via string with default policy.");
}, "Create SharedWorker via string with default policy.");

promise_test(t => {
  return service_worker(default_url);
}, "Create ServiceWorker via string with default policy.");


</script>
</body>