content/media/webaudio/test/test_oscillatorNodeStart.html

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/content/media/webaudio/test/test_oscillatorNodeStart.html	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,40 @@
     1.4 +<!DOCTYPE HTML>
     1.5 +<html>
     1.6 +<head>
     1.7 +  <title>Test the OscillatorNode interface</title>
     1.8 +  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
     1.9 +  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
    1.10 +</head>
    1.11 +<body>
    1.12 +<pre id="test">
    1.13 +<script class="testbody" type="text/javascript">
    1.14 +
    1.15 +SimpleTest.waitForExplicitFinish();
    1.16 +addLoadEvent(function() {
    1.17 +
    1.18 +  var context = new AudioContext();
    1.19 +  var osc = context.createOscillator();
    1.20 +  var sp = context.createScriptProcessor();
    1.21 +
    1.22 +  osc.connect(sp);
    1.23 +  // Work around bug 916387.
    1.24 +  sp.connect(context.destination);
    1.25 +
    1.26 +  sp.onaudioprocess = function (e) {
    1.27 +    var input = e.inputBuffer.getChannelData(0);
    1.28 +    var isSilent = true;
    1.29 +    for (var i = 0; i < input.length; i++) {
    1.30 +      if (input[i] != 0.0) {
    1.31 +        isSilent = false;
    1.32 +      }
    1.33 +    }
    1.34 +    sp.onaudioprocess = null;
    1.35 +    ok(isSilent, "OscillatorNode should be silent before calling start.");
    1.36 +    SimpleTest.finish();
    1.37 +  }
    1.38 +});
    1.39 +
    1.40 +</script>
    1.41 +</pre>
    1.42 +</body>
    1.43 +</html>

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