| // 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 void writeln([Object obj = ""]) |
| /// Converts [obj] to a [String] by invoking [Object.toString] and writes the |
| /// result to [this], followed by a newline. |
| /// @description Checks that if [obj] is not specified, just [\n] is written to |
| /// the result stream. |
| /// @author iarkh@unipro.ru |
| |
| import "../../../Utils/expect.dart"; |
| import "dart:async"; |
| import "dart:io"; |
| |
| int called = 0; |
| |
| class MyStreamConsumer extends StreamConsumer<List<int>> { |
| Future<dynamic> addStream(Stream<List<int>> stream) { |
| stream.toList().then((x) { |
| called++; |
| Expect.equals(1, x.length); |
| Expect.listEquals([10], x[0]); |
| }); |
| return new Future(() {}); |
| } |
| |
| Future close() { return new Future(() {}); } |
| } |
| |
| test() async { |
| StreamConsumer<List<int>> consumer = new MyStreamConsumer(); |
| IOSink sink = new IOSink(consumer); |
| sink.writeln(); |
| await sink.close(); |
| Expect.equals(1, called); |
| asyncEnd(); |
| } |
| |
| main() { |
| asyncStart(); |
| test(); |
| } |