idle-detection-detached-frame.https.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /idle-detection/idle-detection-detached-frame.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<body>

<script src=/resources/testdriver.js></script>

<script src=/resources/testdriver-vendor.js></script>

<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);

});

  await test_driver.set_permission({name: 'idle-detection'}, 'granted');

  const frame = document.body.appendChild(document.createElement('iframe'));

  const frameIdleDetector = frame.contentWindow.IdleDetector;

  const frameDOMException = frame.contentWindow.DOMException;

  let detector = new frameIdleDetector();

  document.body.outerHTML = "";

  await promise_rejects_dom(t, 'InvalidStateError', frameDOMException, detector.start());

  detector = new frameIdleDetector();

  return promise_rejects_dom(t, 'InvalidStateError', frameDOMException, detector.start());

}, 'Using an IdleDetector from a detached frame');

</script>