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<!DOCTYPE html>
<meta charset="utf-8">
<title>Parent is origin-keyed, child1 is site-keyed, child1 navigates to a different site, child2 gets inserted and is origin-keyed, child1 navigates back</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script type="module">
import {
insertIframe,
navigateIframe,
waitForIframe,
setBothDocumentDomains,
testDifferentAgentClusters,
testSameAgentCluster,
} from "./resources/helpers.mjs";
let frame1;
promise_setup(async () => {
frame1 = await insertIframe("{{hosts[][www]}}");
});
// Since they're different-origin, the parent's origin-keying request is
// respected, as is the child's non-request. So the parent ends up in the
// origin-keyed agent cluster and the child ends up in the site-keyed one.
testDifferentAgentClusters([self, 0], "Before navigation: parent to child1");
// Navigate the iframe to a different site. These, of course, must not be in the
// same agent cluster.
promise_test(async () => {
await navigateIframe(frame1, "{{hosts[alt][]}}");
}, "Navigation");
// Now insert a second iframe, pointing to the same place as the first one
// originally did, but this time with origin-keying requested. Because of the
// historical map of agent cluster keys for the browsing context group, the new
// iframe should still end up in the site-keyed agent cluster.
promise_test(async () => {
await insertIframe("{{hosts[][www]}}", "?1");
}, "Inserting a second iframe");
testDifferentAgentClusters([self, 1], "After navigation: parent to child2");
// Now navigate the first iframe back. The resulting Document should be put in
// the site-keyed agent cluster, together with the second iframe's Document.
promise_test(async () => {
const waitPromise = waitForIframe(frame1);
history.back();
await waitPromise;
await setBothDocumentDomains(frames[0]);
}, "Going back in history (navigating back the first iframe)");
testDifferentAgentClusters([self, 0], "After back: parent to child1");
testDifferentAgentClusters([self, 1], "After back: parent to child2");
testSameAgentCluster([0, 1], "child1 to child2");
testSameAgentCluster([1, 0], "child2 to child1");
</script>
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