import 'package:intl/date_symbol_data_local.dart';
import 'package:intl/intl.dart';
import 'package:test/test.dart';

void main() {
  group('double', () {
    test('default', () {
      expect(NumberFormat().parse("1.234"), 1.234);
    });
    group('decimalPattern', () {
      test('default', () {
        expect(NumberFormat.decimalPattern().parse("1.234"), 1.234);
      });
      test('en', () {
        expect(NumberFormat.decimalPattern("en").parse("1.234,567"), 1.234567);
      });
      test('de', () {
        expect(NumberFormat.decimalPattern("de").parse("1.234,567"), 1234.567);
      });
    });
    group('scientific', () {
      const double expected = 1.2345;
      test('default', () {
        expect(NumberFormat.scientificPattern().parse("123.45E-2"), expected);
      });
      test('en', () {
        expect(
            NumberFormat.scientificPattern("en").parse("123.45E-2"), expected);
      });
      test('de', () {
        expect(
            NumberFormat.scientificPattern("de").parse("123,45E-2"), expected);
      });
    });
  });

  group('DateTime', () {
    final expectedDateTime = DateTime(2021, 12, 24, 11, 30, 0);

    test('parse', () {
      expect(DateTime.parse("2021-12-24 11:30:00"), expectedDateTime);
    });
    group('DateFormat', () {
      test('with pattern', () {
        expect(DateFormat("dd.MM.yyyy hh:mm:ss").parse("24.12.2021 11:30:00"),
            expectedDateTime);
      });

      final expectedDate = DateTime(2021, 12, 24);
      test('yMd("en")', () {
        initializeDateFormatting("en");
        expect(DateFormat.yMd("en").parse("12/24/2021"), expectedDate);
      });
      test('yMd("de")', () {
        initializeDateFormatting("de");
        expect(DateFormat.yMd("de").parse("24.12.2021"), expectedDate);
      });
    });
  });
}