// 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.

// @dart = 2.9

/// @assertion void addSlice(List<int> chunk, int start, int end, bool isLast)
/// Adds the next chunk to this.
///
/// Adds the bytes defined by start and end-exclusive to this.
///
/// If isLast is true closes this.
///
/// Contrary to add the given chunk must not be held onto. Once the method
/// returns, it is safe to overwrite the data in it.
/// @description Checks that this method adds the next chunk to the
/// ByteConversionSink
/// @author sgrekhov@unipro.ru

library addSlice_A01_t01;

import "dart:convert";
import "../../../Utils/expect.dart";

test(ChunkedConversionSink create(ByteConversionSink outSink)) {
  bool called = false;
  Utf8Codec codec = new Utf8Codec();
  var encoded = codec.encode("лц");
  
  var outSink = new ByteConversionSink.withCallback((accumulated) {
    called = true;
    Expect.listEquals(encoded, accumulated);
  });

  ByteConversionSink inSink = create(outSink);
  List<int> list = [0xd0, 0xbb, 0xd0, 0xbb];//лл
  inSink.addSlice(list, 0, 2, false);
  list[0] = 0xd1;
  list[1] = 0x86; //ц
  list[2] = 0xd1;
  list[3] = 0x86; //ц
  inSink.addSlice(list, 2, 4, true);
  Expect.isTrue(called);
}