LibTest/convert/Utf8Decoder/fuse_A01_t01.dart

// 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 Converter<List<int>, T> fuse<T>(Converter<String, T> next)
/// Fuses this with other.
///
/// Encoding with the resulting converter is equivalent to converting with this
/// before converting with other.
/// @description Checks that encoding with the resulting converter is equivalent
/// to converting with this before converting with other.
/// @author sgrekhov@unipro.ru

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

check(Converter codec, List<int> toDecode) {
  Expect.listEquals(toDecode, codec.convert(toDecode));
}

main() {
  Utf8Decoder decoder = new Utf8Decoder();
  Converter fused = decoder.fuse(new Utf8Codec().encoder);

  for (int i = 0; i < 128; i++) {
    check(fused, [i]);
  }
  check(fused, utf8.encode("Кириллица прекрасна"));
}