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<!DOCTYPE HTML>
<html>
<head>
<title>MSE: check that duration change behaves properly</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="mediasource.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
runWithMSE(async (ms, v) => {
await once(ms, "sourceopen");
const sb = ms.addSourceBuffer("video/webm");
const arrayBuffer = await fetchWithXHR("seek.webm");
sb.appendBuffer(new Uint8Array(arrayBuffer, 0, 318));
await Promise.all([once(v, "loadedmetadata"), once(sb, "updateend")]);
is(v.duration, ms.duration, "video duration is mediasource one");
must_not_throw(() => ms.duration = 0, "duration = 0 is valid initially");
is(v.duration, 0, "reducing duration with no data buffered is valid");
sb.appendBuffer(new Uint8Array(arrayBuffer, 318));
// Adding more data will fire durationchange.
await once(sb, "updateend");
ok(true, "got updateend");
// XXX: Duration should be exactly 4.0, see bug 1065207.
ok(Math.abs(v.duration - 4) <= 0.002, "Video has correct duration");
must_throw(() => ms.duration = 0,
"Must use remove for range removal",
"InvalidStateError");
ok(Math.abs(v.duration - 4) <= 0.002, "Video has correct duration");
must_not_throw(() => ms.duration = 10, "setting duration past data is valid");
is(v.duration, 10, "extending duration is always valid");
// The last sample has a start time of 3.967000s and a end time of 4.001 (see bug 1065207).
must_not_throw(() => ms.duration = 3.967000,
"setting duration with >= highest frame presentation time is valid");
is(v.duration, sb.buffered.end(0),
"duration is the highest end time reported by the buffered attribute ");
must_not_throw(() => ms.duration = 3.97,
"setting duration with >= highest frame presentation time is valid");
is(v.duration, sb.buffered.end(0),
"duration is the highest end time reported by the buffered attribute ");
must_throw(() => ms.duration = 3.96,
"setting duration with < highest frame presentation time is not valid",
"InvalidStateError");
is(v.duration, sb.buffered.end(0),
"duration is the highest end time reported by the buffered attribute ");
must_throw(() => ms.duration = -1, "can't set a negative duration", "TypeError");
sb.remove(sb.buffered.end(0), Infinity);
is(sb.updating, true, "updating is true");
must_throw(() => ms.duration = Infinity,
"setting the duration while updating is not allowed",
"InvalidStateError");
must_throw(() => sb.abort(),
"Can't use abort while range removal is in progress",
"InvalidStateError");
is(v.duration, sb.buffered.end(0),
"duration is the highest end time reported by the buffered attribute ");
await once(sb, "updateend");
ms.endOfStream();
await once(ms, "sourceended");
SimpleTest.finish();
});
</script>
</pre>
</body>
</html>
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