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<!DOCTYPE html>
<meta charset="utf-8">
<title>Structured cloning of SharedArrayBuffers into same-origin-domain windows</title>
<link rel="help" href="https://html.spec.whatwg.org/multipage/#structuredserialize">
<link rel="author" title="Domenic Denicola" href="mailto:d@domenic.me">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<script>
"use strict";
document.domain = "{{host}}";
async_test(t => {
const iframe = document.createElement("iframe");
t.add_cleanup(() => iframe.remove());
iframe.src = "//{{domains[www1]}}:{{location[port]}}/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/iframe-domain-failure.sub.html";
let domain;
let childCrossOriginIsolated;
window.onmessage = t.step_func((e) => {
if (e.data.name === "domain") {
domain = e.data.value;
return;
}
if (e.data.name === "crossOriginIsolated") {
childCrossOriginIsolated = e.data.value;
return;
}
if (e.data.name === "hasSharedArrayBuffer") {
const hasSharedArrayBuffer = e.data.value;
// document.domain mutation is no-op because the surrounding agent
// cluster's cross-origin isolated is true.
assert_equals(domain, "{{domains[www1]}}");
// crossOriginIsolated is false in the nested frame because the frame is
// cross-origin and hence the cross-origin isolated capability is false.
// We use assert_equals instead of assert_false here to see if
// `childCrossOriginIsolated` is set.
assert_equals(childCrossOriginIsolated, false);
assert_false(hasSharedArrayBuffer);
t.done();
return;
}
assert_unreached("Got a message event, expected a messageerror event");
});
document.body.append(iframe);
}, "SharedArrayBuffer and a same-origin-domain (but not same-origin) iframe");
</script>
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