| // Copyright (c) 2024, the Dart project authors. Please see the AUTHORS file | |
| // for details. All rights reserved. Use of this source code is governed by a | |
| // BSD-style license that can be found in the LICENSE file. | |
| @pragma('dart2js:disable-inlining') | |
| library; | |
| import 'package:expect/expect.dart'; | |
| final StringBuffer sb = StringBuffer(); | |
| class A { | |
| @override | |
| String toString() { | |
| sb.write('x'); | |
| return 'A()'; | |
| } | |
| } | |
| void main() { | |
| sb.write(A()); | |
| Expect.equals('xA()', sb.toString()); | |
| } |