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b05a57d5f3
Change-Id: I04e64359acb95c63d1b5dc5c7fdfaadcb6c55fd9 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/130965 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
34 lines
940 B
Dart
34 lines
940 B
Dart
// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import "package:expect/expect.dart";
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import "dart:convert";
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class MySink implements Sink<List<int>> {
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List<int> accumulated = <int>[];
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bool isClosed = false;
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int add(List<int> list) {
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accumulated.addAll(list);
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return list.length;
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}
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String close() {
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isClosed = true;
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// Returning a value here triggered a bug, where the caller was trying to
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// pass the value through its 'void' return type.
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// Example: void close() => _sink.close();
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return "done";
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}
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}
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main() {
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var mySink = new MySink();
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var byteSink = new ByteConversionSink.from(mySink);
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byteSink.add([1, 2, 3]);
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byteSink.close();
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Expect.listEquals([1, 2, 3], mySink.accumulated);
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Expect.isTrue(mySink.isClosed);
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}
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