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+<!doctype html>
+<html>
+<head>
+<title>getUserMedia({video:true}) creates a stream with a properly initialized video track</title>
+<link rel="author" title="Dominique Hazael-Massieux" href="mailto:dom@w3.org"/>
+<link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#idl-def-MediaStreamTrack">
+<link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#life-cycle-and-media-flow">
+<link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#widl-MediaStreamTrack-kind">
+<link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#widl-MediaStreamTrack-enabled">
+<link rel="help" href="http://dev.w3.org/2011/webrtc/editor/getusermedia.html#widl-MediaStreamTrack-readyState">
+</head>
+<body>
+<p class="instructions">When prompted, accept to share your video stream.</p>
+<h1 class="instructions">Description</h1>
+<p class="instructions">This test checks that the video track of MediaStream
+object returned by the success callback in getUserMedia is correctly initialized.</p>
+
+<div id='log'></div>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<script src=/resources/WebIDLParser.js></script>
+<script src=/resources/idlharness.js></script>
+<script src="/common/vendor-prefix.js" data-prefixed-objects='[{"ancestors":["navigator"], "name":"getUserMedia"}]'></script>
+<script>
+var t = async_test("Tests that the video MediaStreamTrack objects are properly initialized", {timeout:10000});
+var track = null
+var idl_array = new IdlArray();
+
+idl_array.add_idls("interface EventTarget {\
+  void addEventListener(DOMString type, EventListener? callback, optional boolean capture = false);\
+  void removeEventListener(DOMString type, EventListener? callback, optional boolean capture = false);\
+  boolean dispatchEvent(Event event);\
+};");
+
+idl_array.add_idls("interface MediaStreamTrack : EventTarget {\
+    readonly    attribute DOMString             kind;\
+    readonly    attribute DOMString             id;\
+    readonly    attribute DOMString             label;\
+                attribute boolean               enabled;\
+    readonly    attribute boolean               muted;\
+                attribute EventHandler          onmute;\
+                attribute EventHandler          onunmute;\
+    readonly    attribute boolean               _readonly;\
+    readonly    attribute boolean               remote;\
+    readonly    attribute MediaStreamTrackState readyState;\
+                attribute EventHandler          onended;\
+                attribute EventHandler          onoverconstrained;\
+    MediaStreamTrack       clone ();\
+    void                   stop ();\
+    MediaTrackCapabilities getCapabilities ();\
+    MediaTrackConstraints  getConstraints ();\
+    MediaTrackSettings     getSettings ();\
+    Promise<void>          applyConstraints (optional MediaTrackConstraints constraints);\
+};");
+
+t.step(function () {
+  navigator.getUserMedia({video: true}, t.step_func(function (stream) {
+    var videoTracks = stream.getVideoTracks();
+    assert_equals(videoTracks.length, 1, "There is exactly one video track in the media stream");
+    track = videoTracks[0];
+    idl_array.add_objects({MediaStreamTrack: ["track"]});
+    idl_array.test();
+    assert_equals(track.readyState, "live", "The track object is in live state");
+    assert_equals(track.kind, "video", "The track object is of video kind");
+    // Not clear that this is required by the spec,
+    // see https://www.w3.org/Bugs/Public/show_bug.cgi?id=22212
+    assert_true(track.enabled, "The track object is enabed");
+    t.done();
+  }), function (error) {});
+});
+</script>
+</body>
+</html>