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<!DOCTYPE html>
<meta name=help href="https://privacycg.github.io/storage-partitioning/">
<title>Partitioned estimate() usage details for service workers test</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<script>
const usageDetails = async () => {
return (await navigator.storage.estimate())
.usageDetails.serviceWorkerRegistrations || 0;
}
const createSomeUsage = async () => {
const wait_for_active = worker => new Promise(resolve => {
if (worker.active) { resolve(worker.active); }
const listen_for_active = worker => e => {
if (e.target.state === 'activated') { resolve(worker.active); }
}
if (worker.waiting) {
worker.waiting
.addEventListener('statechange', listen_for_active(worker.waiting));
}
if (worker.installing) {
worker.installing.addEventListener('statechange',
listen_for_active(worker.installing));
}
});
const service_worker_registration =
await navigator.serviceWorker.register('resources/worker.js');
await wait_for_active(service_worker_registration);
return service_worker_registration;
}
const testPath = () => location.pathname.split("/").slice(0, -1).join("/");
let alt_origin = "https://{{hosts[alt][]}}:{{ports[https][0]}}";
let details = {};
const iframe = document.createElement("iframe");
iframe.src = `https://{{host}}:{{ports[https][0]}}${testPath()}/resources`+
`/partitioned-estimate-usage-details-service-workers-helper-frame.html`
document.body.appendChild(iframe);
async_test(test => {
if (location.origin === alt_origin)
return;
let service_worker_registration;
test.step(async () => {
details.init = await usageDetails();
service_worker_registration = await createSomeUsage();
details.after = await usageDetails();
assert_greater_than(details.after, details.init);
iframe.contentWindow.postMessage("get-details", iframe.origin);
});
window.addEventListener("message", test.step_func(event => {
if (event.data.source === "same-site") {
details.same_site = event.data;
const cross_site_window = window
.open(`${alt_origin}${location.pathname}`, "", "noopener=false");
test.add_cleanup(() => cross_site_window.close());
}
if (event.data.source === "cross-site") {
details.cross_site = event.data;
// More cleanup.
test.step(() => service_worker_registration.unregister());
test.step(() => {
assert_true(details.cross_site.init == 0, "Usage should be 0.");
assert_equals(details.same_site.init, details.after);
});
test.done();
}
}));
}, "Partitioned estimate() usage details for service workers test.");
</script>
</body>
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