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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 // Test that a parameter used in a closure is properly boxed. |
| 6 |
5 import "package:expect/expect.dart"; | 7 import "package:expect/expect.dart"; |
6 | 8 |
7 class S { | 9 abstract class S { |
8 S() { | 10 S() { |
9 Expect.equals(2, this.f()); | 11 Expect.equals(2, this.f()); |
10 } | 12 } |
| 13 |
| 14 get f; |
11 } | 15 } |
12 | 16 |
13 class A extends S { | 17 class A extends S { |
14 var f; | 18 var f; |
15 A(a) : f = (() => ++a) { | 19 A(a) : f = (() => ++a) { |
16 Expect.equals(a, 2); | 20 Expect.equals(a, 2); |
17 } | 21 } |
18 } | 22 } |
19 | 23 |
20 main() { | 24 main() { |
21 var a = new A(1); | 25 var a = new A(1); |
22 Expect.equals(a.f(), 3); | 26 Expect.equals(a.f(), 3); |
23 } | 27 } |
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