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<head>
<title>GC race with actors on the parent</title>
<script type="text/javascript"
src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="plugin-utils.js"></script>
<link rel="stylesheet" type="text/css"
href="/tests/SimpleTest/test.css" />
<body onload="start()">
<p id="display"></p>
<script class="testbody" type="application/javascript">
SimpleTest.waitForExplicitFinish();
SimpleTest.requestFlakyTimeout("untriaged");
setTestPluginEnabledState(SpecialPowers.Ci.nsIPluginTag.STATE_ENABLED);
function start() {
setTimeout(checkGCRace, 1000);
}
var nested = false;
function cb(f) {
ok(!nested, "Callback shouldn't occur in a nested stack frame");
try {
f(35);
ok(true, "Callback was called, no crash");
}
catch (e) {
ok(false, "Exception calling callback object: " + e);
}
SimpleTest.executeSoon(removePlugin);
}
function removePlugin() {
var p = document.getElementById('p');
p.parentNode.removeChild(p);
p = null;
SpecialPowers.Cu.forceGC();
SimpleTest.finish();
}
function checkGCRace() {
nested = true;
// The plugin will hand back a function and immediately sleep.
// We will lose our only reference to the function and force GC, followed
// by calling us with that function object again. We should be able to
// call the function and not crash.
var p = document.getElementById('p');
var f = p.checkGCRace(cb);
f = null; // 'f' should be collected next GC
nested = false;
setTimeout(function() {
SpecialPowers.Cu.forceGC();
}, 2000);
}
</script>
<embed id="p" type="application/x-test" wmode="window"></embed>
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