test_mediastream_as_eventarget.html

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<html>

<head>

  <meta charset="utf-8">

  <title>Test MediaStream as EventTarget</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" href="/tests/SimpleTest/test.css"/>

  <script>

    var ms = new MediaStream();

    var listenerForFooWasCalled = false;

    ms.addEventListener("foo", () => { listenerForFooWasCalled = true; });

    var listenerForAddTrackWasCalled = false;

    ms.addEventListener("addtrack", () => { listenerForAddTrackWasCalled = true; });

    var handlerForAddTrackWasCalled = false;

    ms.onaddtrack = () => { handlerForAddTrackWasCalled = true; };

    ms.dispatchEvent(new Event("foo"));

    ms.dispatchEvent(new Event("addtrack"));

    ok(listenerForFooWasCalled,

       "Should have called the event listener for 'foo'");

    ok(listenerForAddTrackWasCalled,

       "Should have called the event listener for 'addtrack'");

    ok(handlerForAddTrackWasCalled,

       "Should have called the event handler for 'addtrack'")

  </script>

</head>

<body>

<p id="display"></p>

<div id="content" style="display: none"></div>

<pre id="test"></pre>

</body>

</html>