import 'package:flutter_test/flutter_test.dart';
import 'package:halkyon_learn_flutter/src/feature/kanji/model/hangul.dart';

void main() {
  test('a Hangul syllable is written with its letters: the opening '
      'consonant, the vowel and the closing one or cluster', () {
    expect(hangulLetters('가'), ['ㄱ', 'ㅏ']);
    expect(hangulLetters('닭'), ['ㄷ', 'ㅏ', 'ㄺ']);
    expect(hangulLetters('쓰'), ['ㅆ', 'ㅡ']);
    expect(hangulLetters('왜'), ['ㅇ', 'ㅙ']);
    expect(hangulLetters('힣'), ['ㅎ', 'ㅣ', 'ㅎ']);
    // What is no syllable stays as it is.
    expect(hangulLetters('ㄱ'), ['ㄱ']);
    expect(hangulLetters('食'), ['食']);
  });

  test('scripts whose strokes are drawn: Han characters, kana, Hangul; '
      'not the alphabets', () {
    expect(hasDrawnScript('食べる'), isTrue);
    expect(hasDrawnScript('学习'), isTrue);
    expect(hasDrawnScript('학교'), isTrue);
    expect(hasDrawnScript('ㄱ'), isTrue);
    expect(hasDrawnScript('das Haus'), isFalse);
    expect(hasDrawnScript('Β β'), isFalse);
  });
}