<!doctype html>
<title>Scheduling API: postTask</title>
<link rel="author" title="Nate Chapin" href="mailto:japhet@chromium.org">
<link rel="help" href="https://github.com/WICG/main-thread-scheduling">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<iframe id="i" src="support/create_and_pass_signal.html"></iframe>
<script>
'use strict';

var iframe_controller;
function passController(controller) {
  iframe_controller = controller;
  i.remove();
}

async_test(t => {
  window.onload = function() {
    setTimeout(() => {
      scheduler.postTask(() => {}, { signal: iframe_controller.signal }).then(
          () => assert_unreached("Promise should be rejected"),
          t.step_func_done());
    }, 0);
  };
}, 'Test scheduler.postTask() with a signal from a detached iframe');

</script>