test_disconnectAudioParam.html

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<!DOCTYPE HTML>

<html>

  <head>

    <title>Test whether we can disconnect an AudioParam</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: 256,

        numberOfChannels: 1,

        createGraph(context) {

    var sourceBuffer = context.createBuffer(1, 256, context.sampleRate);

    var data = sourceBuffer.getChannelData(0);

    for (var j = 0; j < data.length; j++) {

        data[j] = 1;

    var source = context.createBufferSource();

    source.buffer = sourceBuffer;

    var half = context.createGain();

    var gain1 = context.createGain();

    var gain2 = context.createGain();

    half.gain.value = 0.5;

    source.connect(gain1);

    gain1.connect(gain2);

    source.connect(half);

    half.connect(gain1.gain);

    half.connect(gain2.gain);

    half.disconnect(gain2.gain);

    source.start();

    return gain2;

},

        createExpectedBuffers(context) {

    let expectedBuffer = context.createBuffer(1, 256, context.sampleRate);

    for (var i = 0; i < 256; ++i) {

      expectedBuffer.getChannelData(0)[i] = 1.5;

    return expectedBuffer;

};

      runTest();

      </script>

    </pre>

  </body>

</html>