about-blank.https.sub.html

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This test has a WPT meta file that expects 8 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /html/browsers/origin/origin-keyed-agent-clusters/about-blank.https.sub.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>The initial about:blank respects origin isolation</title>

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

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

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

<script type="module">

import {

  insertIframe,

  setBothDocumentDomains,

  testSameAgentCluster,

  testDifferentAgentClusters,

  testGetter

} from "./resources/helpers.mjs";

promise_setup(async () => {

  await insertAboutBlankIframe();

  await insertIframe("{{hosts[][www]}}");

});

// Since the initial about:blank inherits its origin from its parent, it is

// same-origin with the parent, and thus cross-origin with child2.

testSameAgentCluster([self, 0], "parent to about:blank");

testDifferentAgentClusters([0, 1], "about:blank to child2");

testDifferentAgentClusters([1, 0], "child2 to about:blank");

testGetter(self, true, "parent");

testGetter(0, true, "about:blank");

testGetter(1, false, "child2");

async function insertAboutBlankIframe() {

  const iframe = await createBlankIframe();

  // Now create and add the script, but don't navigate anywhere (since we want

  // to stay on the initial about:blank).

  // We need to absolutize the URL to since about:blank doesn't have a base URL.

  const scriptURL = (new URL("./resources/send-header-page-script.mjs", import.meta.url)).href;

  const script = iframe.contentDocument.createElement("script");

  script.type = "module";

  script.src = scriptURL;

  await new Promise((resolve, reject) => {

    script.onload = resolve;

    script.onerror = () => reject(

      new Error("Could not load the child frame script into the about:blank page")

);

    iframe.contentDocument.body.append(script);

});

  await setBothDocumentDomains(iframe.contentWindow);

function createBlankIframe() {

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

  const promise = new Promise(resolve => {

    iframe.addEventListener("load", resolve);

});

  document.body.append(iframe);

  return promise;

</script>