dom/media/mediasource/test/test_MediaSource_disabled.html


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<!DOCTYPE HTML>
<html>
<head>
  <title>MSE: disabling via pref</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.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();

function test() {
  ok(!window.MediaSource && !window.SourceBuffer && !window.SourceBufferList,
     "MediaSource should be hidden behind a pref");
  SimpleTest.doesThrow(() => new MediaSource,
                       "MediaSource should be hidden behind a pref");
  SimpleTest.finish();
}

SpecialPowers.pushPrefEnv({"set":
    [
      ["media.mediasource.enabled", false],
    ]
  },
                          test);

</script>
</pre>
</body>
</html>