2 * Copyright (c) Meta Platforms, Inc. and affiliates.
4 * This source code is licensed under the MIT license found in the
5 * LICENSE file in the root directory of this source tree.
9 import {objectKlassEquals} from '@lexical/utils';
10 import {initializeUnitTest} from 'lexical/src/__tests__/utils';
12 class MyEvent extends Event {}
14 class MyEvent2 extends Event {}
16 let MyEventShadow: typeof Event = MyEvent;
19 // eslint-disable-next-line no-shadow
20 class MyEvent extends Event {}
21 MyEventShadow = MyEvent;
24 describe('LexicalUtilsKlassEqual tests', () => {
25 initializeUnitTest((testEnv) => {
26 it('objectKlassEquals', async () => {
27 const eventInstance = new MyEvent('');
28 expect(eventInstance instanceof MyEvent).toBeTruthy();
29 expect(objectKlassEquals(eventInstance, MyEvent)).toBeTruthy();
30 expect(eventInstance instanceof MyEvent2).toBeFalsy();
31 expect(objectKlassEquals(eventInstance, MyEvent2)).toBeFalsy();
32 expect(eventInstance instanceof MyEventShadow).toBeFalsy();
33 expect(objectKlassEquals(eventInstance, MyEventShadow)).toBeTruthy();