|  | // 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. | 
|  |  | 
|  | import "package:expect/expect.dart"; | 
|  |  | 
|  | class A { | 
|  | A() : x = 3; | 
|  | foo() => x; | 
|  | var x; | 
|  | } | 
|  |  | 
|  | class B extends A { | 
|  | bar() => 499; | 
|  | } | 
|  |  | 
|  | class C extends A { | 
|  | bar() => 42; | 
|  | } | 
|  |  | 
|  | main() { | 
|  | // We don't instantiate A, but the codegen still needs to emit (parts of) it | 
|  | // for inheritance purposes. | 
|  | var b = new B(); | 
|  | var c = new C(); | 
|  | Expect.equals(3, b.foo()); | 
|  | Expect.equals(3, c.foo()); | 
|  | Expect.equals(499, b.bar()); | 
|  | Expect.equals(42, c.bar()); | 
|  | } |