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<!DOCTYPE html>
<title>Negative timestamps</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<video>
<track src="resources/settings.vtt" default>
<script>
async_test(function(t) {
var testTrack = document.querySelector("track");
testTrack.onload = t.step_func_done(function() {
var cues = testTrack.track.cues;
assert_equals(testTrack.track.cues.length, 4);
// Add cue with negative startTime.
var cue = new VTTCue(-3439332606, 3.4, "Sausage?");
testTrack.track.addCue(cue);
assert_equals(cues.length, 5);
// Add cue with negative startTime and negative endTime.
cue = new VTTCue(-110, -3.4, "Pepperoni?");
testTrack.track.addCue(cue);
assert_equals(cues.length, 6);
// Set startTime and endTime to negative values.
var testCue = cues[2];
assert_equals(testCue.startTime, 0);
testCue.startTime = -5;
assert_equals(testCue.startTime, -5);
assert_equals(testCue.endTime, 30.5);
testCue.endTime = -3439332606;
assert_equals(testCue.endTime, -3439332606);
// Check negative cues ordering.
testCue = cues[3];
assert_equals(testCue.startTime, 31);
testCue.startTime = -200;
// Verify that this cue is moved to 2nd position.
assert_equals(cues[1].startTime, -200);
});
});
</script>
</video>
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