import 'package:flutter_openim_sdk/flutter_openim_sdk.dart'; void main() { /* const MethodChannel channel = MethodChannel('flutter_openim_sdk'); TestWidgetsFlutterBinding.ensureInitialized(); setUp(() { channel.setMockMethodCallHandler((MethodCall methodCall) async { return '42'; }); }); tearDown(() { channel.setMockMethodCallHandler(null); }); test('getPlatformVersion', () async {});*/ Message m1 = new Message(clientMsgID: '1', content: 'c1'); Message m2 = new Message(clientMsgID: '2', content: 'c2'); Message m3 = new Message(clientMsgID: '3', content: 'c3'); Message m4 = new Message(clientMsgID: '3', content: 'c4'); List list = List.of([m1, m2, m3]); print(list.contains(m4)); print(m1 == m4); print(m2 == m4); print(m3 == m4); }