| <!doctype html> |
| <title>Scheduler: postTask with Detached Frame's Signal</title> |
| <link rel="author" title="Nate Chapin" href="mailto:japhet@chromium.org"> |
| <link rel="help" href="https://github.com/WICG/scheduling-apis"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <script> |
| 'use strict'; |
| |
| promise_test(async t => { |
| await new Promise((resolve) => { |
| window.addEventListener('load', resolve); |
| }); |
| |
| const frame = document.createElement('iframe'); |
| frame.srcdoc = ` |
| <script> |
| const controller = new TaskController(); |
| window.childFrameSignal = controller.signal; |
| <\/script>` |
| await new Promise((resolve) => { |
| frame.addEventListener('load', resolve) |
| document.body.appendChild(frame); |
| }); |
| |
| const signal = frame.contentWindow.childFrameSignal; |
| document.body.removeChild(frame); |
| return scheduler.postTask(() => {}, {signal}); |
| }, 'Test scheduler.postTask() with a signal from a detached iframe'); |
| |
| </script> |
