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<!DOCTYPE HTML>
<html>
<head>
<title>Test bug 1027864</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
function observer(subject, topic, data) {
var id = parseInt(data);
var index = ids.indexOf(id);
if (index != -1) {
ok(true, "Dropping id " + id + " at index " + index);
ids.splice(index, 1);
if (!ids.length) {
SimpleTest.executeSoon(function() {
SimpleTest.finish();
});
}
}
}
function id(node) {
return SpecialPowers.getPrivilegedProps(node, "id");
}
SpecialPowers.addAsyncObserver(observer, "webaudio-node-demise", false);
SimpleTest.registerCleanupFunction(function() {
SpecialPowers.removeAsyncObserver(observer, "webaudio-node-demise");
});
var ac = new AudioContext();
var ids;
(function() {
var delay = ac.createDelay();
delay.delayTime.value = 0.03;
var gain = ac.createGain();
gain.gain.value = 0.6;
delay.connect(gain);
gain.connect(delay);
gain.connect(ac.destination);
var source = ac.createOscillator();
source.connect(gain);
source.start(ac.currentTime);
source.stop(ac.currentTime + 0.1);
ids = [ id(delay), id(gain), id(source) ];
})();
setInterval(function() {
forceCC();
}, 200);
function forceCC() {
SpecialPowers.DOMWindowUtils.cycleCollect();
SpecialPowers.DOMWindowUtils.garbageCollect();
}
</script>
</pre>
</body>
</html>
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