<!-- Any copyright is dedicated to the Public Domain.
- http://creativecommons.org/publicdomain/zero/1.0/ -->
<!
DOCTYPE HTML>
<
html>
<
head>
<
title>Test CacheStorage does not prevent worker GC</
title>
<
script src=
"/tests/SimpleTest/SimpleTest.js"></
script>
<
link rel=
"stylesheet" type=
"text/css" href=
"/tests/SimpleTest/test.css" />
<
script type=
"text/javascript" src=
"driver.js"></
script>
</
head>
<
body>
<
iframe id=
"frame"></
iframe>
<
script class=
"testbody" type=
"text/javascript">
function startWorker() {
return new Promise(resolve => {
var w = new Worker(
"idle_worker.js");
w.addEventListener(
"message", function onMessage(evt) {
if (evt.data ===
"LOADED") {
w.removeEventListener(
"message", onMessage);
resolve(w);
}
});
});
}
function gc() {
return new Promise(resolve => {
SpecialPowers.exactGC(resolve);
});
}
SimpleTest.waitForExplicitFinish();
async function test() {
let w = await startWorker();
let weakWorker = SpecialPowers.Cu.getWeakReference(w);
ok(weakWorker,
"worker supports weak reference");
w = null;
await gc();
await gc();
ok(!weakWorker.get(),
"worker weak reference should be garbage collected");
SimpleTest.finish();
}
test();
</
script>
</
body>
</
html>
