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1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file | |
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. | |
4 | |
5 import "dart:async"; | |
6 import "package:expect/expect.dart"; | |
7 import "package:async_helper/async_helper.dart"; | |
8 | |
9 Future foo1() async { | |
10 return 3; | |
11 } | |
12 | |
13 Future<int> foo2() async { | |
14 return 3; | |
15 } | |
16 | |
17 Future<int> //# wrongTypeParameter: static type warning | |
18 foo3() async { | |
19 return "String"; | |
20 } | |
21 | |
22 // Future<int, String> is treated like Future<dynamic> | |
23 Future<int, String> //# tooManyTypeParameters: static type warning | |
24 foo4() async { | |
25 return "String"; | |
26 } | |
27 | |
28 int //# wrongReturnType: static type warning, dynamic type error | |
29 foo5() async { | |
30 return 3; | |
31 } | |
32 | |
33 Future<int> foo6() async { | |
34 // This is fine, the future is flattened | |
35 return new Future<int>.value(3); | |
36 } | |
37 | |
38 Future<Future<int>> //# nestedFuture: static type warning | |
39 foo7() async { | |
40 return new Future<int>.value(3); | |
41 } | |
42 | |
43 test() async { | |
44 Expect.equals(3, await foo1()); | |
45 Expect.equals(3, await foo2()); | |
46 Expect.equals("String", await foo3()); | |
47 Expect.equals("String", await foo4()); | |
48 Expect.equals(3, await foo5()); | |
49 Expect.equals(3, await await foo6()); | |
50 Expect.equals(3, await await foo7()); | |
51 } | |
52 | |
53 main() { | |
54 asyncTest(test); | |
55 } | |
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