test_convolverNodeOOM.html

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<head>

  <title>Test ConvolverNode with very large buffer that triggers an OOM</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 gTest = {

  length: 2048,

  numberOfChannels: 1,

  skipOfflineContextTests: true,

  createGraph(context) {

    var source = context.createOscillator();

    var convolver = context.createConvolver();

    // Very big buffer that results in an OOM

    try {

      var buffer = context.createBuffer(2, 300000000, context.sampleRate)

      buffer.getChannelData(0);

    } catch(e) {

      // OOM when attempting to create the buffer, this can happen on 32bits

      // OSes. Simply return here.

      return convolver;

    source.connect(convolver);

    try {

      convolver.buffer = buffer;

    } catch (e) {

      // This can also OOM.

      return convolver;

    source.start();

    return convolver;

};

runTest();

</script>

</pre>

</body>

</html>