| // Copyright (c) 2023, 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. |
| |
| import "package:expect/expect.dart"; |
| |
| class A { |
| foo(x, [y]) => '$x;$y'; |
| } |
| |
| class B extends A with M1, M2, M3 {} |
| |
| mixin M1 {} |
| |
| mixin M2 { |
| plain(x) => 'P $x'; |
| bar(x, [y]) => '$y,$x'; |
| } |
| |
| mixin M3 {} |
| |
| makeB() { |
| return [new A(), new B()].last as B; |
| } |
| |
| main() { |
| var b = makeB(); |
| Expect.equals('1;2', b.foo(1, 2)); |
| Expect.equals('2;null', b.foo(2)); |
| Expect.equals('P 3', b.plain(3)); |
| Expect.equals('100,4', b.bar(4, 100)); |
| Expect.equals('null,5', b.bar(5)); |
| } |
