optional-event-properties.https.html

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This WPT test may be referenced by the following Test IDs:
- /orientation-event/orientation/optional-event-properties.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

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

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

<script>

'use strict';

test(test => {

  event = document.createEvent('DeviceOrientationEvent');

  assert_equals(event.type, "");

  assert_equals(event.alpha, null);

  assert_equals(event.beta, null);

  assert_equals(event.gamma, null);

  assert_false(event.absolute);

}, 'Tests creating a DeviceOrientationEvent.');

test(test => {

  event = new DeviceOrientationEvent('foo', {alpha: 0, beta: 1, gamma: 2, absolute: false});

  assert_equals(event.type, "foo");

  assert_equals(event.alpha, 0);

  assert_equals(event.beta, 1);

  assert_equals(event.gamma, 2);

  assert_false(event.absolute);

}, 'Tests no missing value (absolute field is false).');

test(test => {

  event = new DeviceOrientationEvent('', {alpha: 0, beta: 1, gamma: 2, absolute: true});

  assert_equals(event.alpha, 0);

  assert_equals(event.beta, 1);

  assert_equals(event.gamma, 2);

  assert_true(event.absolute);

}, 'Tests no missing value (absolute field is true).');

test(test => {

  event = new DeviceOrientationEvent('');

  assert_equals(event.alpha, null);

  assert_equals(event.beta, null);

  assert_equals(event.gamma, null);

  assert_false(event.absolute);

}, 'Tests DeviceOrientationEvent default constructor.');

test(test => {

  event = new DeviceOrientationEvent('', {alpha: [], beta: [], gamma: [], absolute: []});

  assert_equals(event.alpha, 0);

  assert_equals(event.beta, 0);

  assert_equals(event.gamma, 0);

  assert_true(event.absolute);

}, 'Tests all values are empty array.');

test(test => {

  event = new DeviceOrientationEvent('', {alpha: undefined, beta: undefined, gamma: undefined, absolute: undefined});

  assert_equals(event.alpha, null);

  assert_equals(event.beta, null);

  assert_equals(event.gamma, null);

  assert_false(event.absolute);

}, 'Tests all values are undefined.');

test(test => {

  event = new DeviceOrientationEvent('', {alpha: '', beta: '', gamma: '', absolute: ''});

  assert_equals(event.alpha, 0);

  assert_equals(event.beta, 0);

  assert_equals(event.gamma, 0);

  assert_false(event.absolute);

}, 'Tests all values are empty string.');

test(test => {

  event = new DeviceOrientationEvent('', {alpha: null, beta: null, gamma: null, absolute: null});

  assert_equals(event.alpha, null);

  assert_equals(event.beta, null);

  assert_equals(event.gamma, null);

  assert_false(event.absolute);

}, 'Tests all values are null.');

</script>