@v4fire/core/src/core/prelude/date/modify/spec.js

V4Fire core library

/* eslint-disable max-lines-per-function, max-lines */

/*!
 * V4Fire Core
 * https://github.com/V4Fire/Core
 *
 * Released under the MIT license
 * https://github.com/V4Fire/Core/blob/master/LICENSE
 */

describe('core/prelude/date/modify', () => {
	it('`add`', () => {
		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 10, 11, 6, 0, 0, 1);

			expect(date.add({millisecond: 1})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 10, 11, 6, 0, 2);

			expect(date.add({milliseconds: 2e3})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 10, 11, 6, 0, 2);

			expect(date.add({second: 2})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 10, 11, 6, 1, 2);

			expect(date.add({seconds: 62})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 10, 11, 6, 2);

			expect(date.add({minute: 2})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 10, 11, 7, 2);

			expect(date.add({minutes: 62})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 10, 11, 8);

			expect(date.add({hour: 2})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 10, 12, 1);

			expect(date.add({hours: 19})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 10, 13, 6);

			expect(date.add({day: 2})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 11, 1, 6);

			expect(date.add({days: 20})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 11, 11, 6);

			expect(date.add({month: 1})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2016, 0, 11, 6);

			expect(date.add({months: 2})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2016, 10, 11, 6);

			expect(date.add({year: 1})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2018, 10, 11, 6);

			expect(date.add({years: 3})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 11);

			expect(date.add({month: 1}, true)).toEqual(res);
			expect(date).toEqual(res);
		}
	});

	it('`Date.add`', () => {
		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 10, 11, 6, 0, 0, 1);

			expect(Date.add(date, {millisecond: 1})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 10, 11, 6, 0, 2);

			expect(Date.add({milliseconds: 2e3})(date)).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 10, 13);

			expect(Date.add({days: 2}, true)(date)).toEqual(res);
			expect(date).toEqual(res);
		}
	});

	it('`set`', () => {
		{
			const
				date = new Date(2015, 10, 11, 6, 0, 0, 1),
				res = new Date(2015, 10, 11, 6, 0, 0, 2);

			expect(date.set({millisecond: 2})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6, 0, 0, 1),
				res = new Date(2015, 10, 11, 6, 0, 2);

			expect(date.set({milliseconds: 2e3})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6, 0, 1),
				res = new Date(2015, 10, 11, 6, 0, 2);

			expect(date.set({second: 2})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 10, 11, 6, 1, 2);

			expect(date.set({seconds: 62})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6, 1),
				res = new Date(2015, 10, 11, 6, 2);

			expect(date.set({minute: 2})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 10, 11, 7, 2);

			expect(date.set({minutes: 62})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 10, 11, 2);

			expect(date.set({hour: 2})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 10, 12, 1);

			expect(date.set({hours: 25})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 10, 2, 6);

			expect(date.set({day: 2})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 11, 1, 6);

			expect(date.set({days: 31})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 1, 11, 6);

			expect(date.set({month: 1})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2016, 0, 11, 6);

			expect(date.set({months: 12})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2016, 10, 11, 6);

			expect(date.set({year: 2016})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2018, 10, 11, 6);

			expect(date.set({years: 2018})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 1);

			expect(date.set({month: 1}, true)).toEqual(res);
			expect(date).toEqual(res);
		}
	});

	it('`Date.set`', () => {
		{
			const
				date = new Date(2015, 10, 11, 6, 0, 0, 2),
				res = new Date(2015, 10, 11, 6, 0, 0, 1);

			expect(Date.set(date, {millisecond: 1})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6, 0, 0, 4),
				res = new Date(2015, 10, 11, 6, 0, 2);

			expect(Date.set({milliseconds: 2e3})(date)).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11),
				res = new Date(2015, 10, 2);

			expect(Date.set({days: 2}, true)(date)).toEqual(res);
			expect(date).toEqual(res);
		}
	});

	it('`rewind`', () => {
		{
			const
				date = new Date(2015, 10, 11, 6, 0, 0, 2),
				res = new Date(2015, 10, 11, 6, 0, 0, 1);

			expect(date.rewind({millisecond: 1})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6, 0, 4),
				res = new Date(2015, 10, 11, 6, 0, 2);

			expect(date.rewind({milliseconds: 2e3})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6, 0, 4),
				res = new Date(2015, 10, 11, 6, 0, 2);

			expect(date.rewind({second: 2})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6, 1, 4),
				res = new Date(2015, 10, 11, 6, 0, 2);

			expect(date.rewind({seconds: 62})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6, 4),
				res = new Date(2015, 10, 11, 6, 2);

			expect(date.rewind({minute: 2})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6, 4),
				res = new Date(2015, 10, 11, 5, 2);

			expect(date.rewind({minutes: 62})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 10, 11, 4);

			expect(date.rewind({hour: 2})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 10, 10, 23);

			expect(date.rewind({hours: 7})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 10, 9, 6);

			expect(date.rewind({day: 2})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 10, 0, 6);

			expect(date.rewind({days: 11})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 9, 11, 6);

			expect(date.rewind({month: 1})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2014, 11, 11, 6);

			expect(date.rewind({months: 11})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2014, 10, 11, 6);

			expect(date.rewind({year: 1})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2012, 10, 11, 6);

			expect(date.rewind({years: 3})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 9);

			expect(date.rewind({month: 1}, true)).toEqual(res);
			expect(date).toEqual(res);
		}
	});

	it('`Date.rewind`', () => {
		{
			const
				date = new Date(2015, 10, 11, 6, 0, 0, 3),
				res = new Date(2015, 10, 11, 6, 0, 0, 2);

			expect(Date.rewind(date, {millisecond: 1})).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6, 0, 4),
				res = new Date(2015, 10, 11, 6, 0, 2);

			expect(Date.rewind({milliseconds: 2e3})(date)).toEqual(res);
			expect(date).toEqual(res);
		}

		{
			const
				date = new Date(2015, 10, 11, 6),
				res = new Date(2015, 10, 9);

			expect(Date.rewind({days: 2}, true)(date)).toEqual(res);
			expect(date).toEqual(res);
		}
	});
});