| /* |
| * 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 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(); |
| } |