| // Copyright (c) 2013, 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. |
| |
| // @dart = 2.7 |
| |
| import "package:expect/expect.dart"; |
| |
| // Tests codegen of methods reached only via mixin. |
| |
| class A { |
| foo(x, [y]) => '$x;$y'; |
| } |
| |
| class B extends A with M1, M2, M3 {} |
| |
| class M1 {} |
| |
| class M2 { |
| // These methods are only defined in this non-first, non-last mixin. |
| plain(x) => 'P $x'; |
| // Check arity stubs are also available. |
| bar(x, [y]) => '$y,$x'; |
| } |
| |
| class M3 {} |
| |
| makeB() { |
| return [new A(), new B()].last as B; |
| } |
| |
| main() { |
| // makeB enters the compilation worklist after main, so the selectors are |
| // registered before the classes. |
| 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)); |
| } |