| // 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 Codec<S, R> fuse<R>(Codec<T, R> other) |
| /// Fuses this with other. |
| /// |
| /// When encoding, the resulting codec encodes with this before encoding with |
| /// other. |
| /// |
| /// When decoding, the resulting codec decodes with other before decoding with |
| /// this. |
| /// |
| /// In some cases one needs to use the inverted codecs to be able to fuse them |
| /// correctly. That is, the output type of this (T) must match the input type of |
| /// the second codec 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(Encoding? encoding, String toEncode) { |
| Codec<List<int>, dynamic> inverted = (encoding as Encoding).inverted; |
| Codec fused = encoding.fuse(inverted); |
| Expect.equals(toEncode, fused.decode(toEncode)); |
| Expect.equals(toEncode, fused.encode(toEncode)); |
| } |
| |
| main() { |
| check(Encoding.getByName("us-ascii"), "123abs-"); |
| check(Encoding.getByName("iso-8859-1"), "âã"); |
| check(Encoding.getByName("utf-8"), "Кириллица прекрасна"); |
| } |