|  | // Copyright (c) 2012, 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. | 
|  |  | 
|  | class A { | 
|  | int foo; | 
|  | A(this.foo); | 
|  |  | 
|  | raw$foo() => foo; | 
|  | this$foo() => this.foo; | 
|  | } | 
|  |  | 
|  | class B extends A { | 
|  | int foo; | 
|  | B.b1(x, this.foo) : super(x); | 
|  | B.b2(x, y) : this.foo = y, super(x); | 
|  | B.b3(x, y) : super(x), this.foo = y; | 
|  |  | 
|  | super$foo() => super.foo; | 
|  | sum() => foo + super.foo; | 
|  | } | 
|  |  | 
|  | test(b) { | 
|  | Expect.equals(10, b.foo); | 
|  | Expect.equals(10, b.raw$foo()); | 
|  | Expect.equals(10, b.this$foo()); | 
|  | Expect.equals(100, b.super$foo()); | 
|  | Expect.equals(110, b.sum()); | 
|  | } | 
|  |  | 
|  | main() { | 
|  | test(new B.b1(100, 10)); | 
|  | test(new B.b2(100, 10)); | 
|  | test(new B.b3(100, 10)); | 
|  | } |