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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /html/browsers/windows/nested-browsing-contexts/frameElement-siblings.sub.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<meta charset="utf-8">
<title>window.frameElement access to a same-origin-domain sibling</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<iframe src="//{{hosts[][]}}:{{ports[http][0]}}/html/browsers/windows/nested-browsing-contexts/resources/frameElement-sibling-accessed.html"></iframe>
<iframe src="//{{hosts[][www]}}:{{ports[http][0]}}/html/browsers/windows/nested-browsing-contexts/resources/frameElement-sibling-accessor.html"></iframe>
<script>
"use strict";
setup({ explicit_done: true });
window.onload = () => {
promise_test(async () => {
frames[1].postMessage({}, "*");
const result = await waitForMessage();
assert_equals(result, "SecurityError");
}, "it must give a \"SecurityError\" DOMException if the pages are different-origin domain");
promise_test(async () => {
document.domain = document.domain;
frames[0].postMessage({ newDocumentDomain: document.domain }, "*");
assert_equals(await waitForMessage(), "done");
frames[1].postMessage({ newDocumentDomain: document.domain }, "*");
const result = await waitForMessage();
assert_equals(result, "HTMLIFrameElement");
}, "it must return the iframe element if the pages are same-origin domain");
done();
};
function waitForMessage() {
return new Promise(resolve => {
window.addEventListener("message", e => resolve(e.data), { once: true });
});
}
</script>