test_disconnectExceptions.html

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<html>

  <head>

    <title>Test whether we can disconnect an AudioNode</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 ctx = new AudioContext();

      var sourceBuffer = ctx.createBuffer(2, 256, ctx.sampleRate);

      for (var i = 1; i <= 2; i++) {

        var data = sourceBuffer.getChannelData(i-1);

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

            data[j] = i;

      var source = ctx.createBufferSource();

      source.buffer = sourceBuffer;

      var gain1 = ctx.createGain();

      var splitter = ctx.createChannelSplitter(2);

      var merger = ctx.createChannelMerger(2);

      var gain2 = ctx.createGain();

      var gain3 = ctx.createGain();

      gain1.connect(splitter);

      splitter.connect(gain2, 0);

      splitter.connect(gain3, 1);

      splitter.connect(merger, 0, 0);

      splitter.connect(merger, 1, 1);

      gain2.connect(gain3);

      gain3.connect(ctx.destination);

      merger.connect(ctx.destination);

      expectException(function() {

          splitter.disconnect(2);

      }, DOMException.INDEX_SIZE_ERR);

      expectNoException(function() {

        splitter.disconnect(1);

        splitter.disconnect(1);

});

      expectException(function() {

        gain1.disconnect(gain2);

      }, DOMException.INVALID_ACCESS_ERR);

      expectException(function() {

        gain1.disconnect(gain3);

        ok(false, 'Should get InvalidAccessError exception');

      }, DOMException.INVALID_ACCESS_ERR);

      expectException(function() {

        splitter.disconnect(gain2, 2);

      }, DOMException.INDEX_SIZE_ERR);

      expectException(function() {

        splitter.disconnect(gain1, 0);

      }, DOMException.INVALID_ACCESS_ERR);

      expectException(function() {

        splitter.disconnect(gain3, 0, 0);

      }, DOMException.INVALID_ACCESS_ERR);

      expectException(function() {

        splitter.disconnect(merger, 3, 0);

      }, DOMException.INDEX_SIZE_ERR);

      </script>

    </pre>

  </body>

</html>