| /* |
| * 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 ByteConversionSink asUtf8Sink(bool allowMalformed) |
| * Returns this as a sink that accepts UTF-8 input. |
| * |
| * If used, this method must be the first and only call to this. It invalidates |
| * this. All further operations must be performed on the result. |
| * @description Checks that this method invalidates this and all further |
| * operations must be performed on the result. |
| * @issue 29353 |
| * @author sgrekhov@unipro.ru |
| */ |
| import "dart:convert"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| bool called = false; |
| |
| var outSink = new ByteConversionSink.withCallback((accumulated) { |
| called = true; |
| Expect.listEquals(utf8.encode("12"), accumulated); |
| }); |
| |
| StringConversionSink inSink = utf8.encoder.startChunkedConversion(outSink); |
| inSink.add("1"); |
| |
| ByteConversionSink bcs = inSink.asUtf8Sink(false); |
| bcs.add([50]); // [50] is utf-8 encoding of 2 |
| inSink.add("3"); |
| bcs.close(); |
| Expect.isTrue(called); |
| inSink.add("4"); |
| inSink.close(); |
| } |