| // Copyright (c) 2017, 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<List<int>> bind(Stream<Object> stream) |
| /// Transform the incoming stream's events. |
| /// |
| /// Creates a new stream. When this stream is listened to, it will start |
| /// listening on stream, and generate events on the new stream based on the |
| /// events from stream. |
| /// |
| /// Subscriptions on the returned stream should propagate pause state to the |
| /// subscription on stream. |
| /// @description Checks that this method transforms stream's events |
| /// @author sgrekhov@unipro.ru |
| |
| import "dart:convert"; |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| |
| Future check(Object? data) async { |
| JsonUtf8Encoder encoder = new JsonUtf8Encoder(); |
| await for (Object event in encoder.bind(new Stream.fromIterable([data]))) { |
| Expect.listEquals(encoder.convert(data), event); |
| } |
| } |
| |
| main() { |
| asyncStart(); |
| Future.wait([ |
| check(1), |
| check(3.14), |
| check(null), |
| check(true), |
| check(false), |
| check('"str"'), |
| check(["1", "2", "3.14"]), |
| check([[1, 2, 3], {"a": "3"}]), |
| check({"a": "b"}), |
| check({"й": " ф "}) |
| ]).then( |
| (_) => asyncEnd() |
| ); |
| } |