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<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
-->
<!DOCTYPE HTML>
<html>
<head>
<title>Bug 1447871 - Test some service worker leak conditions</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="utils.js"></script>
<script type="text/javascript" src="/tests/dom/events/test/event_leak_utils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<p id="display"></p>
<script class="testbody" type="text/javascript">
const scope = new URL("empty.html?leak_tests", location).href;
const script = new URL("empty.js", location).href;
// Manipulate service worker DOM objects in the frame's context.
// Its important here that we create a listener callback from
// the DOM objects back to the frame's global in order to
// exercise the leak condition.
async function useServiceWorker(contentWindow) {
contentWindow.navigator.serviceWorker.oncontrollerchange = _ => {
contentWindow.controlledChangeCount += 1;
};
let reg = await contentWindow.navigator.serviceWorker.getRegistration(scope);
reg.onupdatefound = _ => {
contentWindow.updateCount += 1;
};
reg.active.onstatechange = _ => {
contentWindow.stateChangeCount += 1;
};
}
async function runTest() {
await SpecialPowers.pushPrefEnv({"set": [
["dom.serviceWorkers.exemptFromPerDomainMax", true],
["dom.serviceWorkers.enabled", true],
["dom.serviceWorkers.testing.enabled", true]
]});
let reg = await navigator.serviceWorker.register(script, { scope });
await waitForState(reg.installing, "activated");
try {
await checkForEventListenerLeaks("ServiceWorker", useServiceWorker);
} catch (e) {
ok(false, e);
} finally {
await reg.unregister();
SimpleTest.finish();
}
}
SimpleTest.waitForExplicitFinish();
addEventListener("load", runTest, { once: true });
</script>
</pre>
</body>
</html>
|
