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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 import "package:expect/expect.dart"; | |
6 | |
7 // Dart test program to test type-based optimization on fields. | 5 // Dart test program to test type-based optimization on fields. |
8 | 6 |
9 | 7 |
10 class A { | 8 class A { |
11 var x; | 9 var x; |
12 A() : x = new B(); | 10 A() : x = new B(); |
13 foo() { | 11 foo() { |
14 x++; | 12 x++; |
15 } | 13 } |
16 } | 14 } |
17 | 15 |
18 class B { | 16 class B { |
19 operator +(other) => 498; | 17 operator +(other) => 498; |
20 } | 18 } |
21 main() { | 19 main() { |
22 var a = new A(); | 20 var a = new A(); |
23 a.foo(); | 21 a.foo(); |
24 a.foo(); | 22 a.foo(); |
25 Expect.equals(499, a.x); | 23 Expect.equals(499, a.x); |
26 } | 24 } |
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