|  | // 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. | 
|  | // Check const classes. | 
|  | // VMOptions=--optimization-counter-threshold=10 | 
|  |  | 
|  | import "package:expect/expect.dart"; | 
|  |  | 
|  | class AConst { | 
|  | const AConst() : b_ = 3; | 
|  | final int b_; | 
|  | } | 
|  |  | 
|  | class BConst { | 
|  | const BConst(); | 
|  | set foo(value) {} | 
|  | get foo { | 
|  | return 5; | 
|  | } | 
|  |  | 
|  | operator [](ix) { | 
|  | return ix; | 
|  | } | 
|  |  | 
|  | operator []=(ix, value) {} | 
|  | } | 
|  |  | 
|  | testMain() { | 
|  | var o = const AConst(); | 
|  | Expect.equals(3, o.b_); | 
|  |  | 
|  | var x = (const BConst()).foo++; | 
|  | Expect.equals(5, x); | 
|  |  | 
|  | var y = (const BConst())[5]++; | 
|  | Expect.equals(5, y); | 
|  | } | 
|  |  | 
|  | main() { | 
|  | for (int i = 0; i < 20; i++) { | 
|  | testMain(); | 
|  | } | 
|  | } |