Content - 538fafc41ec317288b58b85cfa17c8ff3c705f08 - c3a86c6/screen-orientation/onchange-event.html

visit type:

Tip revision: b7b803ba171367071f288c5ab8a3fa09c62339bd authored by Hiroshige Hayashizaki on 25 December 2018, 02:04:03 UTC
[wpt/referrer-policy] Fix same-origin-downgrade in spec.src.json

Tip revision: b7b803b

onchange-event.html

<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
promise_test(async t => {
  const type = screen.orientation.type;
  screen.orientation.onchange = t.unreached_func("change event should not be fired");
  await screen.orientation.lock(type);
  assert_equals(screen.orientation.type, type);
}, "Test that orientationchange event is not fired when the orientation does not change.");

promise_test(async t => {
  let orientations = [
    'portrait-primary',
    'portrait-secondary',
    'landscape-primary',
    'landscape-secondary'
  ];
  if (screen.orientation.type.includes('portrait')) {
    orientations = orientations.reverse();
  }
  const orientationWatcher = new EventWatcher(t, screen.orientation, 'change');

  for (const orientation of orientations) {
    await screen.orientation.lock(orientation);
    await orientationWatcher.wait_for('change');
    assert_equals(screen.orientation.type, orientation);
  }
  screen.orientation.unlock();
}, "Test that orientationchange event is fired when the orientation changes.");
</script>

Browse the archive

https://github.com/web-platform-tests/wpt