| <!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> |
| import { getOppositeOrientation } from "/screen-orientation/resources/orientation-utils.js"; |
| promise_test(async t => { |
| await test_driver.bless("request full screen", () => { |
| return document.documentElement.requestFullscreen(); |
| }); |
| const newOrientation = getOppositeOrientation(); |
| // This will reject, because the event will call lock() again. |
| const pMustReject = screen.orientation.lock(newOrientation); |
| // This one resolves, because we are re-locking. |
| const pMustResolve = new Promise(r => { |
| screen.orientation.onchange = () => { |
| r(orientation.lock("any")); |
| }; |
| }); |
| await promise_rejects(t, new TypeError(), pMustReject); |
| await pMustResolve; |
| screen.orientation.unlock(); |
| return document.exitFullscreen(); |
| }, "Re-locking orientation during event dispatch must reject existing orientationPendingPromise"); |
| </script> |
