<!DOCTYPE HTML>
<html>
<head>
  <title>Test WaveShaperNode with no curve</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">

SimpleTest.waitForExplicitFinish();

addLoadEvent(function() {
  var context = new OfflineAudioContext(1, 2048, 44100);

  var osc=context.createOscillator();
  var gain=context.createGain();
  var shaper=context.createWaveShaper();
  gain.gain.value=0.1;
  shaper.curve=new Float32Array([-0.5,-0.5,1,1]);

  osc.connect(gain);
  gain.connect(shaper);
  shaper.connect(context.destination);
  osc.start(0);

  context.startRendering().then(function(buffer) {
    var samples = buffer.getChannelData(0);
    // the signal should be scaled
    var failures = 0;
    for (var i = 0; i < 2048; ++i) {
      if (samples[i] > 0.5) {
        failures = failures + 1;
      }
    }
    ok(failures == 0, "signal should have been rescaled by gain: found " + failures + " points too loud.");
    SimpleTest.finish();
  });
});

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