<!DOCTYPE HTML>
<html>
<meta charset="utf-8">
<head>
<title>Test MediaStreamTrackAudioSourceNode doesn't get data from cross-origin media resources</title>
<script 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();

const CROSS_ORIGIN_URL = "http://example.org:80/tests/dom/media/webaudio/test/sine-440-10s.opus"
let iterationCount = 0;
let context = null;

function processSamples(e) {
  ++iterationCount;

  let buf = e.inputBuffer.getChannelData(0);
  let nonzeroSamplesThisBuffer = 0;
  for (let i = 0; i < buf.length; ++i) {
    if (buf[i] != 0) {
      ++nonzeroSamplesThisBuffer;
    }
  }
  is(nonzeroSamplesThisBuffer, 0,
     "a source that is cross origin cannot be inspected by Web Audio");

  if (iterationCount == 40) {
    sp.onaudioprocess = null;
    context.close();
    SimpleTest.finish();
  }
}

let audio = new Audio();
audio.src = CROSS_ORIGIN_URL;
audio.onloadedmetadata = function () {
  context = new AudioContext();
  let stream = audio.mozCaptureStream();
  let track = stream.getAudioTracks()[0];
  let node = context.createMediaStreamTrackSource(track);
  node.connect(context.destination);
  sp = context.createScriptProcessor(2048, 1);
  sp.onaudioprocess = processSamples;
  node.connect(sp);
}

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