| <!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'; |
| |
| sensor_test(async (t, sensorProvider) => { |
| const orientationData = generateOrientationData(1.1, 2.2, 3.3, false); |
| |
| let firstListener = null; |
| let secondListener = null; |
| let firstEventCount = 0; |
| let firstPromise = new Promise(resolve => { |
| firstListener = (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(orientationData)); |
| window.removeEventListener('deviceorientation', firstListener); |
| if (++firstEventCount == 1) { |
| window.addEventListener('deviceorientation', secondListener); |
| } |
| resolve(event); |
| }; |
| }); |
| |
| let secondEventCount = 0; |
| let secondPromise = new Promise(resolve => { |
| secondListener = (event) => { |
| assertEventEquals(event, getExpectedOrientationEvent(orientationData)); |
| window.removeEventListener('deviceorientation', secondListener); |
| ++secondEventCount; |
| resolve(event); |
| }; |
| }); |
| |
| setMockOrientationData(sensorProvider, orientationData); |
| 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> |
