<!DOCTYPE HTML>
<html>
<head>
<title>Test AudioBufferSourceNode when an AudioBuffer's getChanneData buffer is detached</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">
function createGarbage() {
var s = [];
for (var i = 0; i < 10000000; ++i) {
s.push(i);
}
var sum = 0;
for (var i = 0; i < s.length; ++i) {
sum += s[i];
}
return sum;
}
var worker = new Worker("audioBufferSourceNodeDetached_worker.js");
var gTest = {
length: 2048,
numberOfChannels: 1,
createGraph: function(context) {
var buffer = context.createBuffer(1, 10000000, context.sampleRate);
var data = buffer.getChannelData(0);
for (var i = 0; i < data.length; ++i) {
data[i] = (i%100)/100 - 0.5;
}
// Detach the buffer now
var data = buffer.getChannelData(0).buffer;
worker.postMessage(data, [data]);
// Create garbage and GC to replace the buffer data with garbage
SpecialPowers.gc();
createGarbage();
SpecialPowers.gc();
var source = context.createBufferSource();
source.buffer = buffer;
source.start();
// This should play silence
return source;
},
};
runTest();
</script>
</pre>
</body>
</html>