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<!doctype html>
<title>track element changing "track URL" and clearing cues</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id=log></div>
<script>
(async_test(document.title+', set mode, add cue, set src')).step(function(){
var track = document.createElement('track');
var c = new VTTCue(0, 1, 'foo');
c.id = 'id';
track.track.addCue(c);
assert_equals(track.track.cues, null, 'cues before setting src or mode');
track.track.mode = 'showing';
assert_equals(track.track.cues.length, 1, 'cues after setting mode');
var cues = track.track.cues;
track.src = 'data:,a';
assert_equals(track.track.cues.length, 0, 'cues.length after setting src');
assert_equals(track.track.cues, cues, 'track.track.cues sameness after setting src');
assert_equals(c.id, 'id', 'liveness of removed cue');
this.done();
});
(async_test(document.title+', set mode, set src, add cue, change src')).step(function(){
var track = document.createElement('track');
track.track.mode = 'showing';
track.src = 'data:,a';
var c = new VTTCue(0, 1, 'foo');
c.id = 'id';
track.track.addCue(c);
assert_equals(track.track.cues.length, 1, 'cues.length before changing src');
var cues = track.track.cues;
track.src = 'data:,b';
assert_equals(track.track.cues.length, 0, 'cues.length after changing src');
assert_equals(track.track.cues, cues, 'track.track.cues sameness after changing src');
assert_equals(c.id, 'id', 'liveness of removed cue');
this.done();
});
(async_test(document.title+', set mode, add cue, change mode to disabled, set src')).step(function(){
var track = document.createElement('track');
track.track.mode = 'showing';
var c = new VTTCue(0, 1, 'foo');
c.id = 'id';
track.track.addCue(c);
var cues = track.track.cues;
track.track.mode = 'disabled';
track.src = 'data:,a';
assert_equals(cues.length, 0, 'cues.length after changing src');
assert_equals(c.id, 'id', 'liveness of removed cue');
this.done();
});
</script>
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