|  | // 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. | 
|  |  | 
|  | import "package:expect/expect.dart"; | 
|  |  | 
|  | class Base { | 
|  | int i, j; | 
|  | Base(int i, this.j) : this.i = i + 7; | 
|  | } | 
|  |  | 
|  | abstract class M { | 
|  | int get i; | 
|  | int get j; | 
|  | int k = 42; | 
|  | foo() => i + j; | 
|  | } | 
|  |  | 
|  | class C extends Base with M { | 
|  | int l = 131; | 
|  | C() : super(1, 13); | 
|  | } | 
|  |  | 
|  | main() { | 
|  | C c = new C(); | 
|  | Expect.equals(8, c.i); | 
|  | Expect.equals(13, c.j); | 
|  | Expect.equals(21, c.foo()); | 
|  | Expect.equals(42, c.k); | 
|  | Expect.equals(131, c.l); | 
|  | } |