page-visibility.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:
- /orientation-event/motion/page-visibility.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

<body>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

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

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

<script src="/page-visibility/resources/window_state_context.js"></script>

<script src="../resources/orientation-event-helpers.js"></script>

<script>

'use strict';

promise_test(async (t) => {

  const helper = new SensorTestHelper(t, 'devicemotion');

  await helper.grantSensorsPermissions();

  await helper.initializeSensors();

  const motionData = generateMotionData(0, 0, 0,

                                        0, 0, 0,

                                        0, 0, 0);

  await helper.setData(motionData);

  const event = getExpectedMotionEvent(motionData);

  await waitForEvent(event);

  const {minimize, restore} = window_state_context(t);

  await minimize();

  assert_true(document.hidden);

  let hiddenEventPromise = new Promise((resolve, reject) => {

    window.addEventListener(

      'devicemotion',

      event => {

        if (document.hidden) {

          reject();

        } else {

          resolve();

},

      { once: true });

});

  // devicemotion events fire every 16ms when active, so we sleep for a while

  // here to make sure we're not actually getting any events.

  await new Promise(resolve => { t.step_timeout(resolve, 100); });

  await restore();

  assert_false(document.hidden);

  return Promise.all([hiddenEventPromise, waitForEvent(event)]);

}, 'Tests to check that devicemotion events are not fired when the page is not visible.');

</script>

</body>

</html>