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<!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_js(t, frame.contentWindow.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>
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