import {Duration} from '@/';
import {describe, it, assert} from 'vitest';

describe('Duration', () => {
  describe('#add', () => {
    it('basic', function () {
      let duration = Duration.from({minutes: 10});
      let result = duration.add({minutes: 12});
      assert.equal(result.toJSON(), 'PT22M');
    });

    it('basic', function () {
      let duration = Duration.from({days: 1});
      let result = duration.add({days: 2});
      assert.equal(result.toJSON(), 'P3D');
    });

    it('balances time', function () {
      let duration = Duration.from({hours: 1, minutes: 44, seconds: 30});
      let result = duration.add({minutes: 15, seconds: 30});
      assert.equal(result.toJSON(), 'PT2H');
    });

    it('balances time with day', function () {
      let duration = Duration.from({days: 1, hours: 23, minutes: 59});
      let result = duration.add({minutes: 1});
      assert.equal(result.toJSON(), 'P2D');
    });

    it('adds days, more than one month', function () {
      let duration = Duration.from({days: 20});
      let result = duration.add({days: 12});
      assert.equal(result.toJSON(), 'P32D');
    });
  });
});