| // 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({a, b}); |
| } |
| |
| class B implements A { |
| noSuchMethod(Invocation i) { |
| return '${i.namedArguments[#a]},${i.namedArguments[#b]}'; |
| } |
| } |
| |
| void main() { |
| A x = new B(); |
| Expect.equals('3,4', x.m(a: 3, b: 4)); |
| Expect.equals('3,4', x.m(b: 4, a: 3)); |
| } |