LibTest/convert/Latin1Decoder/Latin1Decoder_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.

/// @assertion const Latin1Decoder({bool allowInvalid: false})
/// Instantiates a new Latin1Decoder.
///
/// The optional allowInvalid argument defines how convert deals with invalid
/// bytes.
///
/// If it is true, convert replaces invalid bytes with the Unicode Replacement
/// character U+FFFD (�). Otherwise it throws a FormatException.
///
/// @description Checks that this constructor creates valid Latin1Decoder
/// @author sgrekhov@unipro.ru

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

main() {
  Latin1Decoder decoder = new Latin1Decoder();
  for (int i = 0; i < 256; i++) {
    String s = new String.fromCharCode(i);
    Expect.equals(s, decoder.convert([i]));
  }
  for (int i = 256; i < 65536; i++) {
    Expect.throws(() {decoder.convert([i]);}, (e) => e is FormatException);
  }

  decoder = new Latin1Decoder(allowInvalid: false);
  for (int i = 0; i < 256; i++) {
    String s = new String.fromCharCode(i);
    Expect.equals(s, decoder.convert([i]));
  }
  for (int i = 256; i < 65536; i++) {
    Expect.throws(() {decoder.convert([i]);}, (e) => e is FormatException);
  }
}