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<!DOCTYPE html>
<title>A "metadata" track does not load automatically, but it does load when the mode is changed</title>
<script src="/common/media.js"></script>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<video>
<track kind="metadata" src="resources/metadata.vtt">
</video>
<script>
async_test(function(t) {
var video = document.querySelector("video");
// Check initial metadata track state.
var track = document.querySelectorAll("track")[0];
assert_equals(track.readyState, HTMLTrackElement.NONE);
assert_equals(video.textTracks[0].mode, "disabled");
video.src = getVideoURI("/media/test");
video.oncanplaythrough = t.step_func(canplaythrough);
track.onload = t.step_func_done(trackLoaded);
function trackLoaded() {
assert_equals(track.readyState, HTMLTrackElement.LOADED);
assert_equals(track.track.mode, "hidden");
assert_equals(video.textTracks[0].cues.length, 12);
assert_equals(video.textTracks[0].cues[11].startTime, 22);
}
function canplaythrough() {
assert_equals(track.readyState, HTMLTrackElement.NONE);
assert_equals(video.textTracks[0].mode, "disabled");
assert_equals(video.textTracks[0].cues, null);
// Change metadata track mode so it loads.
video.textTracks[0].mode = "hidden";
}
});
</script>
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