test/utf8_test.dart

// Copyright (c) 2012, 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.

library utf.utf8_test;

import 'package:test/test.dart';
import 'package:utf/utf.dart';

import 'expect.dart' as expect;

String decode(List<int> bytes) => decodeUtf8(bytes);

void main() {
  test('Google favorite: "Îñţérñåţîöñåļîžåţîờñ"', () {
    var string = decode([
      0xc3, 0x8e, 0xc3, 0xb1, 0xc5, 0xa3, 0xc3, 0xa9, 0x72, // 8
      0xc3, 0xb1, 0xc3, 0xa5, 0xc5, 0xa3, 0xc3, 0xae, 0xc3,
      0xb6, 0xc3, 0xb1, 0xc3, 0xa5, 0xc4, 0xbc, 0xc3, 0xae,
      0xc5, 0xbe, 0xc3, 0xa5, 0xc5, 0xa3, 0xc3, 0xae, 0xe1,
      0xbb, 0x9d, 0xc3, 0xb1
    ]);
    expect.stringEquals('Îñţérñåţîöñåļîžåţîờñ', string);
  });

  test('Blueberry porridge in Danish: "blåbærgrød"', () {
    var string = decode([
      0x62, 0x6c, 0xc3, 0xa5, 0x62, 0xc3, 0xa6, 0x72, 0x67, 0x72, // 8
      0xc3, 0xb8, 0x64
    ]);
    expect.stringEquals('blåbærgrød', string);
  });

  test('"சிவா அணாமாைல", that is "Siva Annamalai" in Tamil.', () {
    var string = decode([
      0xe0, 0xae, 0x9a, 0xe0, 0xae, 0xbf, 0xe0, 0xae, 0xb5, 0xe0, // 8
      0xae, 0xbe, 0x20, 0xe0, 0xae, 0x85, 0xe0, 0xae, 0xa3, 0xe0,
      0xae, 0xbe, 0xe0, 0xae, 0xae, 0xe0, 0xae, 0xbe, 0xe0, 0xaf,
      0x88, 0xe0, 0xae, 0xb2
    ]);
    expect.stringEquals('சிவா அணாமாைல', string);
  });

  test('"िसवा अणामालै", that is "Siva Annamalai" in Devanagari', () {
    var string = decode([
      0xe0, 0xa4, 0xbf, 0xe0, 0xa4, 0xb8, 0xe0, 0xa4, 0xb5, 0xe0, // 8
      0xa4, 0xbe, 0x20, 0xe0, 0xa4, 0x85, 0xe0, 0xa4, 0xa3, 0xe0,
      0xa4, 0xbe, 0xe0, 0xa4, 0xae, 0xe0, 0xa4, 0xbe, 0xe0, 0xa4,
      0xb2, 0xe0, 0xa5, 0x88
    ]);
    expect.stringEquals('िसवा अणामालै', string);
  });

  test('DESERET CAPITAL LETTER BEE, unicode 0x10412(0xD801+0xDC12', () {
    // UTF-8: F0 90 90 92
    var string = decode([0xf0, 0x90, 0x90, 0x92]);
    expect.equals(string.length, 2);
    expect.equals('𐐒'.length, 2);
    expect.stringEquals('𐐒', string);
  });
  // TODO(ahe): Add tests of bad input.
}