import 'package:flutter_test/flutter_test.dart';
import 'package:melo/player/audio_handler.dart';

void main() {
  group('playNextIndex', () {
    test('fügt direkt hinter dem laufenden Titel ein', () {
      expect(playNextIndex(currentIndex: 0, queueLength: 3), 1);
      expect(playNextIndex(currentIndex: 2, queueLength: 5), 3);
    });

    test('hängt ans Ende, wenn der letzte Titel läuft', () {
      expect(playNextIndex(currentIndex: 2, queueLength: 3), 3);
    });

    test('hängt ans Ende, wenn nichts läuft', () {
      expect(playNextIndex(currentIndex: null, queueLength: 4), 4);
      expect(playNextIndex(currentIndex: null, queueLength: 0), 0);
    });
  });
}