| <!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'); }, 1000); |
| }); |
| } 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> |
