dom/media/webaudio/test/test_convolverNodeOOM.html
author Ting-Yu Lin <tlin@mozilla.com>
Sat, 01 Apr 2023 04:17:05 +0000
changeset 658805 7437637d0b5c2745440bfeba4adb64689d24044f
parent 491191 b209136a5ca8a352cd9e8a79723af73b2f01175c
permissions -rw-r--r--
Bug 1055894 - Add GetLogicalNormalRect() and adapt some callers of GetNormalRect(). r=emilio This patch makes the API nicer, and shouldn't change the behavior. Differential Revision: https://phabricator.services.mozilla.com/D174344

<!DOCTYPE HTML>
<html>
<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)
      var channel = 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>