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<!doctype html>
<title>MediaStreamTrack transfer to Worker</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=/resources/testdriver.js></script>
<script src=/resources/testdriver-vendor.js></script>
<script src=permission-helper.js></script>
<script id="workerCode" type="javascript/worker">
self.onmessage = (e) => {
try {
if(e.data instanceof MediaStreamTrack) {
self.postMessage({result: 'Success'});
return;
} else {
self.postMessage({
result: 'Failure',
error: `${e.data} is not a MediaStreamTrack`
});
}
} catch (error) {
self.postMessage({
result: 'Failure',
error
});
}
}
</script>
<script>
promise_test(async () => {
const workerBlob = new Blob([document.querySelector('#workerCode').textContent],
{type: "text/javascript"});
const workerUrl = window.URL.createObjectURL(workerBlob);
const worker = new Worker(workerUrl);
window.URL.revokeObjectURL(workerUrl);
await setMediaPermission("granted", ["camera"]);
const stream = await navigator.mediaDevices.getDisplayMedia({video: true});
const track = stream.getVideoTracks()[0];
const result = new Promise((resolve, reject) => {
worker.onmessage = (e) => {
if (e.data.result === 'Failure') {
reject('Failed: ' + e.data.error);
} else {
resolve();
}
};
});
worker.postMessage(track, [track]);
return result;
});
</script>
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