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<!DOCTYPE html>
<title>Service Worker: Static imports from module top-level scripts shouldn't be affected by the service worker script path restriction</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-helpers.sub.js"></script>
<script>
// https://w3c.github.io/ServiceWorker/#path-restriction
// is applied to top-level scripts in
// https://w3c.github.io/ServiceWorker/#update-algorithm
// but not to submodules imported from top-level scripts.
async function runTest(t, script, scope) {
const script_url = new URL(script, location.href);
await service_worker_unregister(t, scope);
const registration = await
navigator.serviceWorker.register(script, {type: 'module'});
t.add_cleanup(_ => registration.unregister());
const msg = await new Promise(resolve => {
registration.installing.postMessage('ping');
navigator.serviceWorker.onmessage = resolve;
});
assert_equals(msg.data, 'pong');
}
promise_test(async t => {
await runTest(t,
'resources/scope2/imported-module-script.js',
'resources/scope2/');
}, 'imported-module-script.js works when used as top-level');
promise_test(async t => {
await runTest(t,
'resources/scope1/module-worker-importing-scope2.js',
'resources/scope1/');
}, 'static imports to outside path restriction should be allowed');
promise_test(async t => {
await runTest(t,
'resources/scope1/module-worker-importing-redirect-to-scope2.js',
'resources/scope1/');
}, 'static imports redirecting to outside path restriction should be allowed');
</script>
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