test_oscillatorNodeStart.html

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<!DOCTYPE HTML>

<html>

<head>

  <title>Test the OscillatorNode interface</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();

addLoadEvent(function() {

  var context = new AudioContext();

  var osc = context.createOscillator();

  var sp = context.createScriptProcessor(0, 1, 0);

  osc.connect(sp);

  sp.onaudioprocess = function (e) {

    var input = e.inputBuffer.getChannelData(0);

    var isSilent = true;

    for (var i = 0; i < input.length; i++) {

      if (input[i] != 0.0) {

        isSilent = false;

    sp.onaudioprocess = null;

    ok(isSilent, "OscillatorNode should be silent before calling start.");

    SimpleTest.finish();

});

</script>

</pre>

</body>

</html>