<!DOCTYPE html>
<meta charset="utf-8">
<title>Service Worker: controller without a fetch event handler</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<script src="resources/test-helpers.sub.js?pipe=sub"></script>
<body>
<script>
let registration;
let frame;
const host_info = get_host_info();
const remote_base_url =
    new URL(`${host_info.HTTPS_REMOTE_ORIGIN}${base_path()}resources/`);

promise_test(async t => {
  const script = 'resources/empty.js'
  const scope = 'resources/';

  promise_test(async t => {
    if (frame)
      frame.remove();

    if (registration)
      await registration.unregister();
  }, 'cleanup global state');

  registration = await
      service_worker_unregister_and_register(t, script, scope);
  await wait_for_state(t, registration.installing, 'activated');
  frame = await with_iframe(scope + 'blank.html');
}, 'global setup');

promise_test(async t => {
    const url = new URL('cors-approved.txt', remote_base_url);
    const response = await frame.contentWindow.fetch(url, {mode:'no-cors'});
    const text = await response.text();
    assert_equals(text, '');
}, 'cross-origin request, no-cors mode');


promise_test(async t => {
    const url = new URL('cors-denied.txt', remote_base_url);
    const response = frame.contentWindow.fetch(url);
    await promise_rejects(t, new TypeError(), response);
}, 'cross-origin request, cors denied');

promise_test(async t => {
    const url = new URL('cors-approved.txt', remote_base_url);
    response = await frame.contentWindow.fetch(url);
    let text = await response.text();
    text = text.trim();
    assert_equals(text, 'plaintext');
}, 'cross-origin request, cors approved');
</script>
</body>