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<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
-->
<!DOCTYPE HTML>
<html>
<head>
<title>Failure to create a Promise shouldn't crash</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test"></pre>
<script class="testbody" type="text/javascript">
async function runTest() {
const iframe = document.createElement('iframe');
document.getElementById("content").appendChild(iframe);
const serviceWorker = iframe.contentWindow.navigator.serviceWorker;
const worker = await iframe.contentWindow.navigator.serviceWorker.register("empty.js", {});
iframe.remove();
// We can't wait for this promise to settle, because the global's
// browsing context has been discarded when the iframe was removed.
// We're just checking if this call crashes, which would happen
// immediately, so ignoring the promise should be fine.
worker.navigationPreload.disable();
ok(true, "navigationPreload.disable() failed but didn't crash.");
SimpleTest.finish();
}
SimpleTest.waitForExplicitFinish();
// We can't call unregister on the worker after its browsing context has been
// discarded, so use SpecialPowers.removeAllServiceWorkerData.
SimpleTest.registerCleanupFunction(() => SpecialPowers.removeAllServiceWorkerData());
onload = function() {
SpecialPowers.pushPrefEnv({"set": [
["dom.serviceWorkers.exemptFromPerDomainMax", true],
["dom.serviceWorkers.enabled", true],
["dom.serviceWorkers.navigationPreload.enabled", true],
["dom.serviceWorkers.testing.enabled", true],
]}, runTest);
};
</script>
</pre>
</body>
</html>
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