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<!DOCTYPE HTML>
<html>
<head>
<title>Test whether we can disconnect an AudioNode</title>
<script type="text/javascript" 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>
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