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<!DOCTYPE HTML>
<meta charset="utf-8">
<title>compute pressure iframe tester</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
async function messageHandler(e) {
if (e.data.command === 'start') {
return new Promise((resolve, reject) => {
const observer = new PressureObserver(()=> {
resolve('success');
});
observer.observe('cpu');
window.setTimeout(() => { reject('timeout'); }, 2000);
});
} else {
return Promise.reject(`unknown command "${e.data.command}"`);
}
}
window.onmessage = async (e) => {
let reply;
try {
reply = await messageHandler(e);
} catch (error) {
reply = error;
}
e.source.postMessage({ command: e.data.command, result: reply }, '*');
}
</script>
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