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| 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. |
| 4 |
| 5 import "package:expect/expect.dart"; |
| 6 import 'dart:convert'; |
| 7 |
| 8 class MySink extends ChunkedConversionSink<String> { |
| 9 final Function _add; |
| 10 final Function _close; |
| 11 |
| 12 MySink(this._add, this._close); |
| 13 |
| 14 void add(x) { _add(x); } |
| 15 void close() { _close(); } |
| 16 } |
| 17 |
| 18 main() { |
| 19 // Make sure the UTF-8 decoder works eagerly. |
| 20 String lastString; |
| 21 bool isClosed = false; |
| 22 ChunkedConversionSink sink = new MySink((x) => lastString = x, |
| 23 () => isClosed = true); |
| 24 var byteSink = new Utf8Decoder().startChunkedConversion(sink); |
| 25 byteSink.add("abc".codeUnits); |
| 26 Expect.equals("abc", lastString); |
| 27 byteSink.add([0x61, 0xc3]); // 'a' followed by first part of Î. |
| 28 Expect.equals("a", lastString); |
| 29 byteSink.add([0x8e]); // second part of Î. |
| 30 Expect.equals("Î", lastString); |
| 31 Expect.isFalse(isClosed); |
| 32 byteSink.close(); |
| 33 Expect.isTrue(isClosed); |
| 34 } |
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