mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-11-20 10:33:36 +00:00
82 lines
2.3 KiB
HTML
82 lines
2.3 KiB
HTML
|
<!DOCTYPE HTML>
|
||
|
|
<html>
|
||
|
|
<head>
|
||
|
|
<title>Test ScriptProcessorNode in cycle with no listener is collected</title>
|
||
|
|
<script type="text/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
|
||
|
|
<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css" />
|
||
|
|
</head>
|
||
|
|
<body>
|
||
|
|
<script class="testbody" type="text/javascript">
|
||
|
|
|
||
|
|
Components.utils.import('resource://gre/modules/Services.jsm');
|
||
|
|
SimpleTest.waitForExplicitFinish();
|
||
|
|
|
||
|
|
var observer = function(subject, topic, data) {
|
||
|
|
var id = parseInt(data);
|
||
|
|
var index = ids.indexOf(id);
|
||
|
|
if (index != -1) {
|
||
|
|
ok(true, "Collected AudioNode id " + id + " at index " + index);
|
||
|
|
ids.splice(index, 1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
Services.obs.addObserver(observer, "webaudio-node-demise", false);
|
||
|
|
|
||
|
|
SimpleTest.registerCleanupFunction(function() {
|
||
|
|
if (observer) {
|
||
|
|
Services.obs.removeObserver(observer, "webaudio-node-demise");
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
var ac = new AudioContext();
|
||
|
|
|
||
|
|
var testProcessor = ac.createScriptProcessor(256, 1, 0);
|
||
|
|
var delay = ac.createDelay();
|
||
|
|
testProcessor.connect(delay);
|
||
|
|
delay.connect(testProcessor);
|
||
|
|
|
||
|
|
var referenceProcessor = ac.createScriptProcessor(256, 1, 0);
|
||
|
|
var gain = ac.createGain();
|
||
|
|
gain.connect(referenceProcessor);
|
||
|
|
|
||
|
|
var processCount = 0;
|
||
|
|
testProcessor.onaudioprocess = function(event) {
|
||
|
|
++processCount;
|
||
|
|
switch (processCount) {
|
||
|
|
case 1:
|
||
|
|
// Switch to listening to referenceProcessor;
|
||
|
|
referenceProcessor.onaudioprocess = event.target.onaudioprocess;
|
||
|
|
referenceProcessor = null;
|
||
|
|
event.target.onaudioprocess = null;
|
||
|
|
case 2:
|
||
|
|
// There are no references to testProcessor and so GC can begin.
|
||
|
|
SpecialPowers.forceGC();
|
||
|
|
break;
|
||
|
|
case 3:
|
||
|
|
// Another GC should not be required after testProcessor would have
|
||
|
|
// received another audioprocess event.
|
||
|
|
SpecialPowers.forceCC();
|
||
|
|
// Expect that webaudio-demise has been queued.
|
||
|
|
// Queue another event to check.
|
||
|
|
SimpleTest.executeSoon(function() {
|
||
|
|
Services.obs.removeObserver(observer, "webaudio-node-demise");
|
||
|
|
observer = null;
|
||
|
|
event.target.onaudioprocess = null;
|
||
|
|
ok(ids.length == 0, "All expected nodes should be collected");
|
||
|
|
SimpleTest.finish();
|
||
|
|
});
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// Nodes with these ids should be collected.
|
||
|
|
var ids = [ testProcessor.id, delay.id, gain.id ];
|
||
|
|
testProcessor = null;
|
||
|
|
delay = null;
|
||
|
|
gain = null;
|
||
|
|
|
||
|
|
</script>
|
||
|
|
</pre>
|
||
|
|
</body>
|
||
|
|
</html>
|