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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 /** | 5 /** |
6 * Matches a [Future] that completes successfully with a value. Note that this | 6 * Matches a [Future] that completes successfully with a value. Note that this |
7 * creates an asynchronous expectation. The call to `expect()` that includes | 7 * creates an asynchronous expectation. The call to `expect()` that includes |
8 * this will return immediately and execution will continue. Later, when the | 8 * this will return immediately and execution will continue. Later, when the |
9 * future completes, the actual expectation will run. | 9 * future completes, the actual expectation will run. |
10 * | 10 * |
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34 | 34 |
35 item.onComplete(expectAsync1((future) { | 35 item.onComplete(expectAsync1((future) { |
36 var reason = 'Expected future to complete successfully, but it failed ' | 36 var reason = 'Expected future to complete successfully, but it failed ' |
37 'with ${future.exception}'; | 37 'with ${future.exception}'; |
38 if (future.stackTrace != null) { | 38 if (future.stackTrace != null) { |
39 var stackTrace = future.stackTrace.toString(); | 39 var stackTrace = future.stackTrace.toString(); |
40 stackTrace = ' ${stackTrace.replaceAll('\n', '\n ')}'; | 40 stackTrace = ' ${stackTrace.replaceAll('\n', '\n ')}'; |
41 reason = '$reason\nStack trace:\n$stackTrace'; | 41 reason = '$reason\nStack trace:\n$stackTrace'; |
42 } | 42 } |
43 | 43 |
44 expect(future.hasValue, isTrue, reason); | 44 expect(future.hasValue, isTrue, reason: reason); |
45 if (_matcher != null) expect(future.value, _matcher); | 45 if (_matcher != null) expect(future.value, _matcher); |
46 })); | 46 })); |
47 | 47 |
48 return true; | 48 return true; |
49 } | 49 } |
50 | 50 |
51 Description describe(Description description) { | 51 Description describe(Description description) { |
52 if (_matcher == null) { | 52 if (_matcher == null) { |
53 description.add('completes successfully'); | 53 description.add('completes successfully'); |
54 } else { | 54 } else { |
55 description.add('completes to a value that ').addDescriptionOf(_matcher); | 55 description.add('completes to a value that ').addDescriptionOf(_matcher); |
56 } | 56 } |
57 return description; | 57 return description; |
58 } | 58 } |
59 } | 59 } |
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