new file mode 100644
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+++ b/dom/media/mediasource/test/test_DurationChange.html
@@ -0,0 +1,111 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+ <title>MSE: check that duration change behaves properly</title>
+ <script type="text/javascript" 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(function (ms, v) {
+ ms.addEventListener("sourceopen", function () {
+ var sb = ms.addSourceBuffer("video/webm");
+
+ fetchWithXHR("seek.webm", function (arrayBuffer) {
+ sb.appendBuffer(new Uint8Array(arrayBuffer, 0, 318));
+ once(v, "loadedmetadata")
+ .then(function() {
+ is(v.duration, ms.duration, "video duration is mediasource one");
+ try {
+ ms.duration = 0;
+ } catch (e) { ok(false, "must not throw as operation is valid"); }
+ is(v.duration, 0, "reducing duration with no data buffered is valid");
+ sb.appendBuffer(new Uint8Array(arrayBuffer, 318));
+ // Adding more data will fire durationchange.
+ once(sb, "updateend")
+ .then(function() {
+ 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");
+ var error = false;
+ try {
+ ms.duration = 0;
+ } catch (e) {
+ ok(true, "must use remove for range removal");
+ is(e.name, "InvalidStateError", "Error is InvalidStateError");
+ error = true;
+ }
+ ok(error, "got an error");
+ ok(Math.abs(v.duration - 4) <= 0.002, "Video has correct duration");
+ try {
+ ms.duration = 10;
+ } catch (e) { ok(false, "must not throw as 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).
+ try {
+ ms.duration = 3.967000;
+ } catch (e) { ok(false, "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 ");
+ try {
+ ms.duration = 3.97;
+ } catch (e) { ok(false, "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 ");
+ error = false;
+ try {
+ ms.duration = 3.96;
+ } catch (e) {
+ ok(true, "setting duration with < highest frame presentation time is not valid");
+ is(e.name, "InvalidStateError", "Error is InvalidStateError");
+ error = true;
+ }
+ ok(error, "got an error");
+ is(v.duration, sb.buffered.end(0), "duration is the highest end time reported by the buffered attribute ");
+ error = false;
+ try {
+ ms.duration = -1;
+ } catch (e) {
+ ok(true, "can't set a negative duration");
+ is(e.name, "TypeError", "Error is TypeError");
+ error = true;
+ }
+ ok(error, "got an error");
+ sb.remove(sb.buffered.end(0), Infinity);
+ is(sb.updating, true, "updating is true")
+ error = false;
+ try {
+ ms.duration = Infinity;
+ } catch (e) {
+ ok(true, "setting the duration while updating is not allowed");
+ is(e.name, "InvalidStateError", "Error is InvalidStateError");
+ error = true;
+ }
+ ok(error, "got an error");
+ error = false;
+ try {
+ sb.abort();
+ } catch (e) {
+ ok(true, "Can't use abort while range removal is in progress");
+ is(e.name, "InvalidStateError", "Error is InvalidStateError");
+ error = true;
+ }
+ ok(error, "got an error");
+ is(v.duration, sb.buffered.end(0), "duration is the highest end time reported by the buffered attribute ");
+ once(sb, "updateend", () => ms.endOfStream());
+ });
+ });
+ });
+ });
+ ms.addEventListener("sourceended", function () {
+ SimpleTest.finish();
+ });
+});
+
+</script>
+</pre>
+</body>
+</html>