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<!doctype html>
<title>TextTrack.activeCues</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(function(){
window.video = document.createElement('video');
window.t1 = video.addTextTrack('subtitles');
window.track = document.createElement('track');
track['default'] = true;
video.appendChild(track);
window.t2 = track.track;
t2.mode = 'showing';
window.t1_cues = t1.activeCues;
window.t2_cues = t2.activeCues;
document.body.appendChild(video);
if (!t1)
throw new Error('t1 was undefined')
});
function smoke_test() {
assert_true('HTMLTrackElement' in window, 'track not supported');
}
test(function(){
smoke_test();
assert_equals(t1.activeCues, t1_cues, 't1.activeCues should return same object');
assert_equals(t2.activeCues, t2_cues, 't2.activeCues should return same object');
assert_not_equals(t1.activeCues, t2.activeCues, 't1.activeCues and t2.activeCues should be different objects');
assert_not_equals(t1.activeCues, null, 't1.activeCues should not be null');
assert_not_equals(t2.activeCues, null, 't2.activeCues should not be null');
assert_equals(t1.activeCues.length, 0, 't1.activeCues should have length 0');
assert_equals(t2.activeCues.length, 0, 't2.activeCues should have length 0');
}, document.title+', empty list');
test(function(){
smoke_test();
var c = new VTTCue(0, 1, "text");
t1.addCue(c);
assert_equals(t1.activeCues, t1_cues, "t1.activeCues should return same object");
assert_equals(t1.activeCues.length, 0, "t1.activeCues.length");
var c2 = new VTTCue(1, 2, "text2");
t1.addCue(c2);
assert_equals(t1.activeCues, t1_cues, "t1.activeCues should return the same object after adding a second cue");
assert_equals(t1.activeCues.length, 0, "t1.activeCues.length after adding a second cue");
}, document.title+', after addCue()');
test(function(){
smoke_test();
t1.mode = 'showing';
assert_equals(t1.activeCues, t1_cues, "t1.activeCues should return the same object after setting mode to showing");
t1.mode = 'hidden';
assert_equals(t1.activeCues, t1_cues, "t1.activeCues should return the same object after setting mode to hidden");
t1.mode = 'disabled';
assert_equals(t1.activeCues, null, "t1.activeCues should be null when mode is disabled");
assert_equals(t1_cues.length, 0, "t1_cues should still be intact after setting mode to disabled");
}, document.title+', different modes');
// ok now let's load in a video
var test1 = async_test(document.title+', video loading');
var test2 = async_test(document.title+', video playing');
var test3 = async_test(document.title+', adding cue during playback');
test1.step(smoke_test);
test2.step(smoke_test);
test3.step(smoke_test);
test1.step(function(){
t1.mode = 'showing';
video.onloadeddata = test1.step_func(function(e) {
video.onplaying = test2.step_func(function(e) {
try {
assert_equals(t1.activeCues, t1_cues, "t1.activeCues should return the same object after playing a video");
assert_equals(t1.activeCues.length, 1, "t1.activeCues.length after the video has started playing");
} catch(ex) {
test2.step(function() { throw ex; });
test3.step(function() { assert_unreached(); });
return;
}
test3.step(function(){
var c3 = new VTTCue(0, 2, "text3");
t1.addCue(c3);
assert_equals(t1.activeCues.length, 2, "t1.activeCues.length should be changed immediately");
test3.done();
});
test2.done();
});
try {
assert_equals(t1.activeCues, t1_cues, "t1.activeCues should return the same object after loading a video");
assert_equals(t2.activeCues, t2_cues, "t2.activeCues should return the same object after loading a video");
assert_equals(t1.activeCues.length, 0, "t1.activeCues.length before the video has started playing");
assert_equals(t2.activeCues.length, 0, "t1.activeCues.length before the video has started playing");
} catch(ex) {
test1.step(function() { throw ex; });
test2.step(function() { assert_unreached(); });
test3.step(function() { assert_unreached(); });
return;
}
video.play();
test1.done();
});
video.src = getVideoURI("/media/movie_5");
});
</script>
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