blob: 748bfebc3ec8dee47529ec75de422e11bddad4af [file] [log] [blame]
// Copyright (c) 2013, 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.
// @dart = 2.9
import "package:expect/expect.dart";
import 'dart:convert';
class MySink extends ChunkedConversionSink<String> {
final Function _add;
final Function _close;
MySink(this._add, this._close);
void add(x) {
_add(x);
}
void close() {
_close();
}
}
main() {
// Make sure the UTF-8 decoder works eagerly.
String lastString;
bool isClosed = false;
var sink = new MySink((x) => lastString = x, () => isClosed = true);
var byteSink = new Utf8Decoder().startChunkedConversion(sink);
byteSink.add("abc".codeUnits);
Expect.equals("abc", lastString);
byteSink.add([0x61, 0xc3]); // 'a' followed by first part of Î.
Expect.equals("a", lastString);
byteSink.add([0x8e]); // second part of Î.
Expect.equals("Î", lastString);
Expect.isFalse(isClosed);
byteSink.close();
Expect.isTrue(isClosed);
}