import 'package:flutter_test/flutter_test.dart';
import 'package:jiu_client/core/utils/money.dart';

void main() {
  group('yuanFromMinor()', () {
    test('299900 分 → "2,999.00"（千分位 + 两位小数）', () {
      expect(yuanFromMinor(299900), '2,999.00');
    });

    test('100 分 → "1.00"', () {
      expect(yuanFromMinor(100), '1.00');
    });

    test('0 分 → "0.00"', () {
      expect(yuanFromMinor(0), '0.00');
    });

    test('个位/十位/百位不加逗号', () {
      expect(yuanFromMinor(5), '0.05');
      expect(yuanFromMinor(99), '0.99');
      expect(yuanFromMinor(12300), '123.00');
    });

    test('7 位数金额分组正确', () {
      expect(yuanFromMinor(123456789), '1,234,567.89');
    });

    test('负数保留符号', () {
      expect(yuanFromMinor(-299900), '-2,999.00');
    });
  });
}