<!doctype html>
<html>
    <head>
        <meta charset="utf-8">
        <title>getDisplayMedia and frame rate</title>
        <script src="../../resources/testharness.js"></script>
        <script src="../../resources/testharnessreport.js"></script>
        <script src="resources/getDisplayMedia-utils.js"></script>
    </head>
    <body>
        <script>
promise_test(async () => {
    if (!window.internals)
        return;

    const stream = await callGetDisplayMedia({ video: true });
    internals.observeMediaStreamTrack(stream.getVideoTracks()[0]);
    let currentCount = internals.trackVideoSampleCount;
    while (currentCount === internals.trackVideoSampleCount)
        await new Promise(resolve => setTimeout(resolve, 50));
}, "Ensure getDisplayMedia generate frames");
        </script>
    </body>
</html>