|  | // 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 Foo { | 
|  | var $identityHash; | 
|  | } | 
|  |  | 
|  | void main() { | 
|  | Foo foo = new Foo(); | 
|  | foo.$identityHash = 'fisk'; | 
|  | Expect.isTrue(foo.$identityHash is String); | 
|  | int hash = foo.hashCode; | 
|  | Expect.isTrue(hash is int); | 
|  | Expect.isTrue(foo.$identityHash is String); | 
|  | Expect.equals(hash, foo.hashCode); | 
|  | } |