| // Copyright (c) 2018, 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. | |
| // dart2jsOptions=--strong | |
| import 'package:expect/expect.dart'; | |
| abstract class A { | |
| m(x, y); | |
| } | |
| class B implements A { | |
| noSuchMethod(Invocation i) { | |
| return '${i.positionalArguments[0]},${i.positionalArguments[1]}'; | |
| } | |
| } | |
| void main() { | |
| A x = new B(); | |
| Expect.equals('3,4', x.m(3, 4)); | |
| } |