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<meta name="timeout" content="long">
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=/common/utils.js></script
<script src="/common/get-host-info.sub.js"></script>
<script>
promise_test(async test => {
// TODO(arthursonzogni): Consider switching toward another message passing
// API like:
// /html/cross-origin-embedder-policy/credentialless/resources/dispatcher.js
const bc = new BroadcastChannel(token());
const futureMessage = () => {
return new Promise(resolve => {
bc.onmessage = event => resolve(event.data);
});
};
const prefix = document.URL.substr(0, document.URL.lastIndexOf('/'))
const attribute = `?channelName=${bc.name}`;
const url_coep_none =
prefix + "/resources/navigate-none.sub.html" + attribute;
const url_coep_require_corp =
prefix + "/resources/navigate-require-corp.sub.html" + attribute;
const w = window.open();
test.add_cleanup(() => w.close());
// Navigate to COEP:unsafe-none.
w.location.href = url_coep_none;
assert_equals(await futureMessage(), "loaded");
assert_equals(w.location.href, url_coep_none);
// For unknown reasons so far. Waiting in between the different navigations
// avoids flakes.
await new Promise(resolve => test.step_timeout(resolve, 1000));
// Navigate to COEP:require-corp.
w.location.href = url_coep_require_corp;
assert_equals(await futureMessage(), "loaded");
assert_equals(w.location.href, url_coep_require_corp);
// For unknown reasons so far. Waiting in between the different navigations
// avoids flakes.
await new Promise(resolve => test.step_timeout(resolve, 1000));
// Navigate back to COEP:unsafe-none, using the history API.
// Note: `url_coep_none` already take the BFCache into account.
w.history.back();
assert_equals(await futureMessage(), "loaded");
assert_equals(w.location.href, url_coep_none);
}, `"none" top-level: navigating a frame back from "require-corp" should succeed`);
</script>