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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 import 'package:async_helper/async_helper.dart'; | 5 import 'package:async_helper/async_helper.dart'; |
6 import 'package:expect/expect.dart'; | 6 import 'package:expect/expect.dart'; |
7 | 7 |
8 import 'dart:async'; | 8 import 'dart:async'; |
9 | 9 |
10 @lazy import 'deferred_class_library.dart' as lib; | 10 @lazy import 'deferred_class_library.dart' as lib; |
11 | 11 |
12 const lazy = const DeferredLibrary('deferred_class_library'); | 12 const lazy = const DeferredLibrary('deferred_class_library'); |
13 | 13 |
14 isNoSuchMethodError(e) => e is NoSuchMethodError; | 14 isNoSuchMethodError(e) => e is NoSuchMethodError; |
15 | 15 |
16 main() { | 16 main() { |
17 var x; | 17 var x; |
18 Expect.throws(() { x = new lib.MyClass(); }, isNoSuchMethodError); | 18 Expect.throws(() { x = new lib.MyClass(); }, isNoSuchMethodError); |
19 Expect.isNull(x); | 19 Expect.isNull(x); |
20 int counter = 0; | 20 int counter = 0; |
21 asyncStart(); | 21 asyncStart(); |
22 lazy.load().then((bool didLoad) { | 22 lazy.load().then((_) { |
23 Expect.isTrue(didLoad); | |
24 Expect.equals(1, ++counter); | 23 Expect.equals(1, ++counter); |
25 print('deferred_class_library was loaded'); | 24 print('deferred_class_library was loaded'); |
26 x = new lib.MyClass(); | 25 x = new lib.MyClass(); |
27 Expect.equals(42, x.foo(87)); | 26 Expect.equals(42, x.foo(87)); |
28 asyncEnd(); | 27 asyncEnd(); |
29 }); | 28 }); |
30 Expect.equals(0, counter); | 29 Expect.equals(0, counter); |
31 Expect.isNull(x); | 30 Expect.isNull(x); |
32 asyncStart(); | 31 asyncStart(); |
33 lazy.load().then((bool didLoad) { | 32 lazy.load().then((_) { |
34 Expect.isFalse(didLoad); | |
35 Expect.equals(2, ++counter); | 33 Expect.equals(2, ++counter); |
36 print('deferred_class_library was loaded'); | 34 print('deferred_class_library was loaded'); |
37 x = new lib.MyClass(); | 35 x = new lib.MyClass(); |
38 Expect.equals(42, x.foo(87)); | 36 Expect.equals(42, x.foo(87)); |
39 asyncEnd(); | 37 asyncEnd(); |
40 }); | 38 }); |
41 Expect.equals(0, counter); | 39 Expect.equals(0, counter); |
42 Expect.isNull(x); | 40 Expect.isNull(x); |
43 Expect.throws(() { x = new lib.MyClass(); }, isNoSuchMethodError); | 41 Expect.throws(() { x = new lib.MyClass(); }, isNoSuchMethodError); |
44 Expect.isNull(x); | 42 Expect.isNull(x); |
45 } | 43 } |
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