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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/media/test/test_texttracklist.html
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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diff --git a/dom/media/test/test_texttracklist.html b/dom/media/test/test_texttracklist.html
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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=882703
+-->
+<head>
+ <meta charset="utf-8">
+ <title>Media test: TextTrackList change event</title>
+ <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+<p id="display"></p>
+<div id="content">
+</div>
+<pre id="test">
+<script class="testbody" type="text/javascript">
+SimpleTest.waitForExplicitFinish();
+
+video = document.createElement("video");
+
+isnot(video.textTracks, null, "Video should have a list of TextTracks.");
+
+video.addTextTrack("subtitles", "", "");
+
+track = video.textTracks[0];
+video.textTracks.addEventListener("change", changed);
+
+is(track.mode, "hidden", "New TextTrack's mode should be hidden.");
+track.mode = "showing";
+// Bug882674: change the mode again to see if we receive only one
+// change event.
+track.mode = "hidden";
+
+var eventCount = 0;
+function changed(event) {
+ eventCount++;
+ is(eventCount, 1, "change event dispatched multiple times.");
+ is(event.target, video.textTracks, "change event's target should be video.textTracks.");
+ ok(event instanceof window.Event, "change event should be a simple event.");
+ ok(!event.bubbles, "change event should not bubble.");
+ ok(event.isTrusted, "change event should be trusted.");
+ ok(!event.cancelable, "change event should not be cancelable.");
+
+ // Delay the finish function call for testing the change event count.
+ setTimeout(SimpleTest.finish, 0);
+}
+</script>
+</pre>
+</body>
+</html>