summaryrefslogtreecommitdiffstats
path: root/testing/web-platform/tests/scheduler/post-task-with-signal-from-detached-iframe.html
blob: acd974cbc783f721eb014b6b208d113ac3f76c7b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
<!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>