| <!DOCTYPE html> |
| <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="../resources/orientation-event-helpers.js"></script> |
| <script> |
| 'use strict'; |
| |
| promise_test(async (t) => { |
| const helper = new SensorTestHelper(t, 'deviceorientation'); |
| await helper.grantSensorsPermissions(); |
| await helper.initializeSensors(); |
| |
| const orientationData1 = generateOrientationData(1.1, 2.2, 3.3, false); |
| const orientationData2 = generateOrientationData(11.1, 22.2, 33.3, false); |
| |
| let firstListener = null; |
| let secondListener = null; |
| let firstEventCount = 0; |
| let firstPromise = new Promise(resolve => { |
| firstListener = async (event) => { |
| assert_true(event instanceof DeviceOrientationEvent, 'event is DeviceOrientationEvent'); |
| assert_equals(event.type, 'deviceorientation', 'event.type is devicemotion'); |
| assert_true(event.target instanceof Window, 'event is fired on the window object'); |
| assertEventEquals(event, getExpectedOrientationEvent(orientationData1)); |
| window.removeEventListener('deviceorientation', firstListener); |
| // Some implementations (e.g. Chromium) work without the call below |
| // because they disconnect from the virtual sensor in the |
| // removeEventListener() call above before connecting again, and in this |
| // case the same orientation data is still considered a significant |
| // change. This is an implementation detail though, so we explicitly pass |
| // different data here. |
| await helper.setData(orientationData2); |
| if (++firstEventCount == 1) { |
| window.addEventListener('deviceorientation', secondListener); |
| } |
| resolve(event); |
| }; |
| }); |
| |
| let secondEventCount = 0; |
| let secondPromise = new Promise(resolve => { |
| secondListener = (event) => { |
| assertEventEquals(event, getExpectedOrientationEvent(orientationData2)); |
| window.removeEventListener('deviceorientation', secondListener); |
| ++secondEventCount; |
| resolve(event); |
| }; |
| }); |
| |
| await helper.setData(orientationData1); |
| window.addEventListener('deviceorientation', firstListener); |
| await firstPromise; |
| await secondPromise; |
| assert_equals(firstEventCount, 1, "Too many events fired for the first listener"); |
| assert_equals(secondEventCount, 1, "Too many events fired for the second listener"); |
| }, 'Tests that adding a new deviceorientation event listener from a callback works as expected.'); |
| </script> |