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<!DOCTYPE HTML>
<html>
<head>
<title>Test GC for not-allow-to-start audio context</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.requestFlakyTimeout(`Checking that something does not happen`);
SimpleTest.waitForExplicitFinish();
var destId;
function observer(subject, topic, data) {
let id = parseInt(data);
ok(id != destId, "dropping another node, not the context's destination");
}
SpecialPowers.addAsyncObserver(observer, "webaudio-node-demise", false);
SimpleTest.registerCleanupFunction(function() {
SpecialPowers.removeAsyncObserver(observer, "webaudio-node-demise");
});
SpecialPowers.pushPrefEnv({"set": [["media.autoplay.default", SpecialPowers.Ci.nsIAutoplay.BLOCKED],
["media.autoplay.blocking_policy", 0]]},
startTest);
function startTest() {
info("- create audio context -");
let ac = new AudioContext();
info("- get node Id -");
destId = SpecialPowers.getPrivilegedProps(ac.destination, "id");
info("- trigger GCs -");
SpecialPowers.forceGC();
SpecialPowers.forceCC();
SpecialPowers.forceGC();
info("- after three GCs -");
// We're doing this async so that we can receive observerservice messages.
setTimeout(function() {
ok(true, `AudioContext that has been prevented
from starting has correctly survived GC`)
SimpleTest.finish();
}, 1);
}
</script>
</pre>
</body>
</html>
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