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<!doctype html>
<title>autoplay with slow text tracks</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/media.js"></script>
<div id="log"></div>
<script>
setup({ single_test: true });
// https://html.spec.whatwg.org/#ready-states says:
//
// HAVE_FUTURE_DATA: "the text tracks are ready".
// HAVE_ENOUGH_DATA: All the conditions described for the HAVE_FUTURE_DATA state are met, ...
//
// When the ready state of a media element whose networkState is not NETWORK_EMPTY changes,
// the user agent must follow the steps given below:
// If the new ready state is HAVE_ENOUGH_DATA
// (autoplay)
//
// So if the text tracks are not yet ready, we can't autoplay.
var started = 0;
var numOfTests = 5;
function createTest() {
var video = document.createElement('video');
video.src = getVideoURI('/media/movie_5');
video.autoplay = true;
video.muted = true;
video.controls = true;
video.onplaying = function() {
started++;
assert_equals(track.track.cues.length, 1);
if (started === numOfTests) {
done();
}
};
var track = document.createElement('track');
track.src = '/media/foo.vtt?pipe=trickle(d2)';
track.default = true;
video.appendChild(track);
document.body.appendChild(video);
}
for (var i = 0; i < numOfTests; ++i) {
createTest();
}
</script>
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