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<!doctype html>
<title>Test cross origin load of media document in parts</title>
<link rel="motivation" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1781759">
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src="/common/get-host-info.sub.js"></script>
<body></body>
<script>
promise_test(async () => {
const frame = document.createElement('iframe');
const dir = location.pathname.replace(/\/[^\/]*$/, '/');
frame.src =
// remote origin intermediate document
get_host_info().HTTP_NOTSAMESITE_ORIGIN + dir
// iframe-document.sub.html has an iframe with src=childsrc.
+ 'resources/iframe-document.sub.html?childsrc='
// same origin video document, so that we can play().
+ get_host_info().ORIGIN
// 'PartialContent' ensures that the entire video resource does not load
// in one fetch.
+ '/service-workers/service-worker/resources/fetch-access-control.py?'
+ 'VIDEO%26PartialContent';
let v = document.createElement("video");
if (v.canPlayType("video/ogv") == "")
frame.src += "%26mp4";
document.body.appendChild(frame);
await new Promise(resolve => frame.onload = resolve);
const inner = frame.contentWindow.frames[0];
const video = inner.document.body.childNodes[0];
video.muted = true; // to allow playback
return video.play();
});
</script>
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