File: parent-yes-child-yes-same.sub.https.html

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<!DOCTYPE html>
<meta charset="utf-8">
<title>Parent is isolated, child is not isolated, child is same-origin to the parent</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<div id="log"></div>

<script type="module">
import { insertIframe, sendWasmModule, setBothDocumentDomains } from "./resources/helpers.mjs";

let frameWindow;
promise_setup(async () => {
  frameWindow = await insertIframe("{{hosts[][]}}", "?1");
});

// Both request isolation, and they're same-origin, so they both end up in the
// same origin-keyed agent cluster.

promise_test(async () => {
  const whatHappened = await sendWasmModule(frameWindow);

  assert_equals(whatHappened, "WebAssembly.Module message received");
}, "message event must occur");

promise_test(async () => {
  await setBothDocumentDomains(frameWindow);

  // Must not throw
  frameWindow.document;
}, "setting document.domain must give sync access");
</script>