| // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| // @dart = 2.9 |
| |
| /// @assertion Future<int> length |
| /// If the stream contains an error, the returned future is completed with |
| /// that error, and processing stops. |
| /// @description Checks that If the stream contains an error, the returned |
| /// future is completed with that error, and processing stops |
| /// @author a.semenov@unipro.ru |
| |
| library length_A02_t01; |
| import "../../../Utils/expect.dart"; |
| |
| void test(CreateStreamWithErrorsFunction create) { |
| AsyncExpect.error(1, create([1], isError:(_) => true).length); |
| AsyncExpect.error(3, create([1, 2, 3, null], isError:(e) => e==3).length); |
| AsyncExpect.error( |
| 12, |
| create( |
| new Iterable.generate(10, (int i) => i * 2), isError:(e) => e > 10 |
| ).length |
| ); |
| } |