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<!doctype html>
<head>
<meta charset="utf-8"/>
<meta name="timeout" content="long">
<meta name="help" href="https://github.com/WICG/CHIPS#chips-cookies-having-independent-partitioned-state">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<script src="/cookies/resources/cookie-helper.sub.js"></script>
<script src="/cookies/partitioned-cookies/resources/test-helpers.js"></script>
<title>Test partitioned cookies behavior in parallel same-site iframes</title>
</head>
<body>
<script>
function waitForIframeToLoad(frame) {
return new Promise((resolve, reject) => {
frame.onload = resolve;
frame.onerror = reject;
});
}
promise_test( async() => {
// Set up document containing two same-site iframes.
const sameSiteIframeUrl = new URL(
"/cookies/partitioned-cookies/resources/" +
"partitioned-cookies-empty-embed.html",
get_host_info().HTTPS_ORIGIN + self.location.pathname);
const iframe = document.createElement("iframe");
const iframe2 = document.createElement("iframe");
iframe.src = sameSiteIframeUrl.href;
iframe2.src = sameSiteIframeUrl.href;
let loadCompleted = Promise.all([waitForIframeToLoad(iframe), waitForIframeToLoad(iframe2)]);
document.body.appendChild(iframe);
document.body.appendChild(iframe2);
await loadCompleted;
// Confirm that partitioned cookies set in iframes are made available to other same-site
// documents that exist before the cookie is set.
const partitionedCookieName = "partitionedCookie";
const partitionedCookie = partitionedCookieName+ "=cookie";
const partitionedCookieAttributes =
";Secure; Path=/; SameSite=None; Partitioned";
iframe.contentWindow.document.cookie = partitionedCookie + partitionedCookieAttributes;
assert_true(document.cookie.includes(partitionedCookie), document.cookie);
assert_true(iframe.contentWindow.document.cookie.includes(partitionedCookie),
iframe.contentWindow.document.cookie);
assert_true(iframe2.contentWindow.document.cookie.includes(partitionedCookie),
iframe2.contentWindow.document.cookie);
// Confirm that partitioned cookies are available to iframes that are added after the
// cookie has been set.
const iframe3 = document.createElement("iframe");
loadCompleted = waitForIframeToLoad(iframe3);
iframe3.src = sameSiteIframeUrl.href;
loadCompleted = waitForIframeToLoad(iframe3);
document.body.appendChild(iframe3);
await loadCompleted;
assert_true(iframe3.contentWindow.document.cookie.includes(partitionedCookie));
// Confirm that a partitioned cookie set in one iframe, is accessible in all other same site
// documents.
const secondPartitionedCookie = "second=cookie";
iframe.contentWindow.document.cookie = secondPartitionedCookie + partitionedCookieAttributes;
assert_true(iframe.contentWindow.document.cookie.includes(secondPartitionedCookie),
iframe.contentWindow.document.cookie);
assert_true(iframe2.contentWindow.document.cookie.includes(secondPartitionedCookie),
iframe2.contentWindow.document.cookie);
assert_true(iframe3.contentWindow.document.cookie.includes(secondPartitionedCookie),
iframe3.contentWindow.document.cookie);
assert_true(document.cookie.includes(secondPartitionedCookie), document.cookie);
// Confirm that changes made to a partitioned cookie in one iframe will impact the cookie
// in other documents.
const changedPartitionedCookie = partitionedCookieName+ "=newValue";
iframe.contentWindow.document.cookie = changedPartitionedCookie + partitionedCookieAttributes;
assert_true(iframe.contentWindow.document.cookie.includes(changedPartitionedCookie),
iframe.contentWindow.document.cookie);
assert_true(iframe2.contentWindow.document.cookie.includes(changedPartitionedCookie),
iframe2.contentWindow.document.cookie);
assert_true(document.cookie.includes(changedPartitionedCookie), document.cookie);
assert_false(document.cookie.includes(partitionedCookie), document.cookie);
assert_false(iframe.contentWindow.document.cookie.includes(partitionedCookie),
iframe.contentWindow.document.cookie);
assert_false(iframe2.contentWindow.document.cookie.includes(partitionedCookie),
iframe2.contentWindow.document.cookie);
erase_cookie_from_js("partitionedCookie", "Secure; Path=/; SameSite=None; Partitioned");
erase_cookie_from_js("second", "Secure; Path=/; SameSite=None; Partitioned");
}, "Partitioned cookies set in same-site contexts are available in other same-site documents.");
</script>
</body>
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