| // 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 close() |
| * Closes this and flushes any outstanding data. |
| * @description Checks that this method closes this and flushes any outstanding |
| * data |
| * @author sgrekhov@unipro.ru |
| */ |
| import "dart:convert"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| StringBuffer stringSink = new StringBuffer(); |
| stringSink.write("initial:"); |
| |
| ClosableStringSink sink = |
| new ClosableStringSink.fromStringSink(stringSink, () { |
| stringSink.write(":closed"); |
| }); |
| sink.write("1"); |
| Expect.equals("initial:1", stringSink.toString()); |
| sink.close(); |
| Expect.equals("initial:1:closed", stringSink.toString()); |
| sink.write(":2"); |
| sink.close(); |
| Expect.equals("initial:1:closed:2:closed", stringSink.toString()); |
| } |