| // Copyright (c) 2016, 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. |
| |
| /// @assertion Stream timeout(Duration timeLimit, |
| /// {void onTimeout(EventSink sink)}) |
| /// Creates a new stream with the same events as this stream. |
| /// |
| /// If onTimeout is omitted, a timeout will just put a TimeoutException into the |
| /// error channel of the returned stream. |
| /// |
| /// @description Check that if onTimeout is omitted, then [timeout] will just |
| /// put a TimeoutException into the error channel of the returned stream. |
| /// @author ngl@unipro.ru |
| |
| library timeout_A03_t01; |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| |
| void test(CreateStreamFunction create) { |
| int count = 0; |
| Stream s1 = create(["a", "b", "c"]); |
| Stream s2 = s1.asyncMap((x) => new Future.delayed(durationInMilliseconds(100), () => x)); |
| Stream s3 = s2.timeout(durationInMilliseconds(10)); |
| List actual = []; |
| asyncStart(); |
| s3.listen( |
| (event) { |
| actual.add(event); |
| }, |
| onError: (error) { |
| Expect.isTrue(error is TimeoutException); |
| actual.add(count++); |
| }, |
| onDone: () { |
| Expect.listEquals([0, "a", 1, "b", 2, "c"], actual); |
| asyncEnd(); |
| } |
| ); |
| } |