removed-iframe.sub.https.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /html/browsers/origin/origin-keyed-agent-clusters/getter-special-cases/removed-iframe.sub.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>window.originAgentCluster for a removed frame</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

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

<script type="module">

import { navigateIframe } from "../resources/helpers.mjs";

promise_test(async () => {

  // We cannot use insertIframe because it sets both `document.domain`s. That

  // shouldn't matter, but Chrome has a bug (https://crbug.com/1095145), so

  // let's avoid making the test needlessly fail because of that bug.

  const iframe = document.createElement("iframe");

  const navigatePromise = navigateIframe(iframe, "{{hosts[][]}}", "?1");

  document.body.append(iframe);

  await navigatePromise;

  const frameWindow = iframe.contentWindow;

  assert_equals(frameWindow.originAgentCluster, true, "before");

  iframe.remove();

  assert_equals(frameWindow.originAgentCluster, true, "after");

}, "Removing the iframe does not change originAgentCluster");

</script>