blob: 09111bbdfa2b5203e703811e77c6275263d5ca58 [file] [log] [blame]
// 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.
// @dart = 2.9
/// @assertion void write(Object obj)
/// Converts [obj] to a [String] by invoking [Object.toString] and adds the
/// encoding of the result to the target consumer.
/// @description Checks that calling [writeAll(null)] causes [Error].
/// @author iarkh@unipro.ru
import "../../../Utils/expect.dart";
import "dart:async";
import "dart:io";
class MyStreamConsumer extends StreamConsumer<List<int>> {
Future addStream(Stream<List<int>> stream) { return new Future(() {}); }
Future close() { return new Future(() {}); }
}
main () {
StreamConsumer consumer = new MyStreamConsumer();
IOSink sink = new IOSink(consumer);
Expect.throws(() { sink.writeAll(null); }, (e) => e is NoSuchMethodError);
sink.close();
}