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Test Info:

<!doctype html>
<meta http-equiv="Content-Security-Policy" content="require-trusted-types-for 'script';">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id=log></div>
// To test workers, we need to importScripts source files in the workers.
// Since the point of this test is to test blocking of importScripts, we need
// to set up one policy that will blindly pass through URLs for use in the test
// setup, and then have additional policies for the actual test cases.
// For the same reason we cannot use the otherwise preferred 'META: workers'
// tag, since that test setup would be blocked as soon as trusted types
// enforcement is enabled.
const test_setup_policy = trustedTypes.createPolicy("hurrayanythinggoes", {
createScriptURL: x => x});
const test_url =
fetch_tests_from_worker(new Worker(test_url));
fetch_tests_from_worker(new SharedWorker(test_url));
// Cargo-culted from code generated from "META: worker".
if ('serviceWorker' in navigator) {
(async function() {
const scope = 'support/some/scope/for/this/test';
let reg = await navigator.serviceWorker.getRegistration(scope);
if (reg) await reg.unregister();
reg = await navigator.serviceWorker.register(test_url, {scope});