OLD | NEW |
1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, 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 that the basic API for deferred/lazy loading works. This | 5 // Test that that the basic API for deferred/lazy loading works. This |
6 // test deliberately does not test that the deferred elements throw a | 6 // test deliberately does not test that the deferred elements throw a |
7 // NoSuchMethodError before the deferred library is loaded. This | 7 // NoSuchMethodError before the deferred library is loaded. This |
8 // makes it possible to pass this test without having implemented | 8 // makes it possible to pass this test without having implemented |
9 // deferred loading correctly. | 9 // deferred loading correctly. |
10 | 10 |
11 import "package:expect/expect.dart"; | |
12 import 'dart:async'; | 11 import 'dart:async'; |
13 | 12 |
14 @lazy | 13 @lazy |
15 import 'deferred_api_library.dart'; | 14 import 'deferred_api_library.dart'; |
16 | 15 |
17 const lazy = const DeferredLibrary('deferred_api_library'); | 16 const lazy = const DeferredLibrary('deferred_api_library'); |
18 | 17 |
19 main() { | 18 main() { |
20 print('unittest-suite-wait-for-done'); | 19 print('unittest-suite-wait-for-done'); |
21 | 20 |
22 int counter = 0; | 21 int counter = 0; |
23 lazy.load().then((bool didLoad) { | 22 lazy.load().then((bool didLoad) { |
24 Expect.isTrue(didLoad); | 23 Expect.isTrue(didLoad); |
25 Expect.equals(1, ++counter); | 24 Expect.equals(1, ++counter); |
26 Expect.equals(42, foo('b')); | 25 Expect.equals(42, foo('b')); |
27 print('lazy was loaded'); | 26 print('lazy was loaded'); |
28 }); | 27 }); |
29 Expect.equals(0, counter); | 28 Expect.equals(0, counter); |
30 lazy.load().then((bool didLoad) { | 29 lazy.load().then((bool didLoad) { |
31 Expect.isFalse(didLoad); | 30 Expect.isFalse(didLoad); |
32 Expect.equals(2, ++counter); | 31 Expect.equals(2, ++counter); |
33 Expect.equals(42, foo('b')); | 32 Expect.equals(42, foo('b')); |
34 print('lazy was loaded'); | 33 print('lazy was loaded'); |
35 print('unittest-suite-success'); | 34 print('unittest-suite-success'); |
36 }); | 35 }); |
37 Expect.equals(0, counter); | 36 Expect.equals(0, counter); |
38 } | 37 } |
OLD | NEW |