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<!doctype html>
<title>MediaStreamTrack transfer to iframe</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script>
promise_test(async () => {
const iframe = document.createElement("iframe");
const stream = await navigator.mediaDevices.getDisplayMedia({audio:true, video: true});
const track = stream.getAudioTracks()[0];
const cloned_track = track.clone();
const result = new Promise((resolve, reject) => {
window.onmessage = (e) => {
if (e.data.result === 'Failure') {
reject('Failed: ' + e.data.error);
} else {
resolve();
}
};
});
iframe.addEventListener("load", () => {
assert_not_equals(track.readyState, "ended");
iframe.contentWindow.postMessage(track);
assert_equals(track.readyState, "ended");
assert_equals(cloned_track.readyState, "live");
});
iframe.src = "support/iframe-MediaStreamTrack-transfer.html";
document.body.appendChild(iframe);
return result;
});
</script>
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