| // 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"; | |
| // Dart test program to test type-based optimization on fields. | |
| class A { | |
| var x; | |
| A() : x = new B(); | |
| foo() { | |
| x++; | |
| } | |
| } | |
| class B { | |
| operator +(other) => 498; | |
| } | |
| main() { | |
| var a = new A(); | |
| a.foo(); | |
| a.foo(); | |
| Expect.equals(499, a.x); | |
| } |