test_bug827541.html

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<!DOCTYPE HTML>

<html>

<head>

  <title>Tell the cycle collector about the audio contexts owned by nsGlobalWindow</title>

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

  <script type="text/javascript" src="webaudio.js"></script>

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

</head>

<body>

<pre id="test">

<script class="testbody" type="text/javascript">

  var iframe = document.createElementNS("http://www.w3.org/1999/xhtml", "iframe");

  document.body.appendChild(iframe);

  var frameWin = iframe.contentWindow;

  new frameWin.AudioContext();

  document.body.removeChild(iframe);

  expectException(() => new frameWin.AudioContext(),

                  DOMException.INVALID_STATE_ERR);

  // This test should not leak.

</script>

</pre>

</body>

</html>