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<!DOCTYPE html>
<meta name=help href="https://privacycg.github.io/storage-partitioning/">
<title>Partitioned estimate() usage details for caches test</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/utils.js"></script>
<body>
<script>
const usageDetails = async () =>
(await navigator.storage.estimate()).usageDetails.caches || 0;
const createSomeUsage = async () => {
const cache_name = token();
const cache_url = `/foo-${cache_name}`;
const cache = await caches.open(cache_name);
await cache.put(cache_url, new Response('x'.repeat(128)));
return [cache, cache_url];
}
const testPath = () => location.pathname.split("/").slice(0, -1).join("/");
let alt_origin = "https://{{hosts[alt][]}}:{{ports[https][0]}}";
let details = {};
const iframe = document.createElement("iframe");
iframe.src = `https://{{host}}:{{ports[https][0]}}${testPath()}` +
`/resources/partitioned-estimate-usage-details-caches-helper-frame.html`
document.body.appendChild(iframe);
async_test(test => {
if (location.origin === alt_origin)
return;
let cache, cache_url;
test.step(async () => {
details.init = await usageDetails();
[cache, cache_url] = await createSomeUsage(test);
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;
// Some cleanup
test.step(async () => await cache.delete(cache_url));
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 caches test.");
</script>
</body>
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