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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"; | 5 import "package:expect/expect.dart"; |
6 | 6 |
7 class A<T> { | 7 class A<T> { |
8 var closure; | 8 var closure; |
9 | 9 |
10 factory A.factory() => new A(() => new List<T>()); | 10 factory A.factory() => new A(() => new List<T>()); |
11 | 11 |
12 A([this.closure]) { | 12 A([this.closure]) { |
13 if (closure == null) { | 13 if (closure == null) { |
14 closure = () => new List<T>(); | 14 closure = () => new List<T>(); |
15 } | 15 } |
16 } | 16 } |
17 } | 17 } |
18 | 18 |
19 main() { | 19 main() { |
20 Expect.isTrue((new A.factory()).closure() is List); | 20 Expect.isTrue((new A.factory()).closure() is List); |
21 Expect.isTrue((new A()).closure() is List); | 21 Expect.isTrue((new A()).closure() is List); |
22 Expect.isTrue((new A<int>.factory()).closure() is List<int>); | 22 Expect.isTrue((new A<int>.factory()).closure() is List<int>); |
23 Expect.isTrue((new A<int>()).closure() is List<int>); | 23 Expect.isTrue((new A<int>()).closure() is List<int>); |
24 Expect.isFalse((new A<int>.factory()).closure() is List<String>); | 24 Expect.isFalse((new A<int>.factory()).closure() is List<String>); |
25 Expect.isFalse((new A<int>()).closure() is List<String>); | 25 Expect.isFalse((new A<int>()).closure() is List<String>); |
26 } | 26 } |
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