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import MockDate from 'mockdate'import moment from 'moment'import dayjs from '../../src'import utc from '../../src/plugin/utc'
dayjs.extend(utc)
beforeEach(() => {  MockDate.set(new Date())})
afterEach(() => {  MockDate.reset()})
it('Set utcOffset -> Get utcOffset', () => {  expect(dayjs().utcOffset(540).utcOffset()).toBe(moment().utcOffset(540).utcOffset())  expect(dayjs().utcOffset(540).format()).toBe(moment().utcOffset(540).format())  expect(dayjs().utcOffset(60).format()).toBe(moment().utcOffset(60).format())  expect(dayjs().utcOffset(8).format()).toBe(moment().utcOffset(8).format())
  expect(dayjs().utcOffset(-540).utcOffset()).toBe(moment().utcOffset(-540).utcOffset())  expect(dayjs().utcOffset(-540).format()).toBe(moment().utcOffset(-540).format())
  expect(dayjs().utcOffset(-60).format()).toBe(moment().utcOffset(-60).format())  expect(dayjs().utcOffset(-8).format()).toBe(moment().utcOffset(-8).format())})
it('valueOf, toDate, toString, toISOString should be the same as original', () => {  const d = dayjs()  const du = dayjs().utcOffset(9)  const mu = moment().utcOffset(9)  expect(d.valueOf()).toBe(du.valueOf())  expect(du.valueOf()).toBe(mu.valueOf())  expect(d.toDate()).toEqual(du.toDate())  expect(du.toDate()).toEqual(mu.toDate())  expect(du.toISOString()).toEqual(mu.toISOString())  expect(d.toString()).toEqual(d.toString())})
it('clone', () => {  const du = dayjs().utcOffset(9)  const duClone = du.clone()  expect(du.valueOf()).toBe(duClone.valueOf())  expect(du.format()).toBe(duClone.format())  expect(du.utcOffset()).toBe(duClone.utcOffset())})
it('immutable', () => {  const d = dayjs()  const du = d.utcOffset(d.utcOffset() + 1)  expect(d.utcOffset()).not.toBe(du.utcOffset())  expect(d.format()).not.toBe(du.format())})
it('utcOffset(0) enable utc mode', () => {  expect(dayjs().utcOffset(0).format()).toBe(moment().utcOffset(0).format())  expect(dayjs().utcOffset(0).isUTC()).toBeTruthy()})
it('utcOffset keepLocalTime', () => {  const d = '2000-01-01T06:00:00Z'  expect(dayjs.utc(d).utcOffset(5, true).format())    .toBe(moment.utc(d).utcOffset(5, true).format())  expect(dayjs.utc(d).utcOffset(0, true).format())    .toBe(moment.utc(d).utcOffset(0, true).format())  expect(dayjs.utc(d).utcOffset(-5, true).format())    .toBe(moment.utc(d).utcOffset(-5, true).format())  const d2 = '2016-01-01 00:00:00'  expect(dayjs(d2).utcOffset(0, true).format())    .toBe(moment(d2).utcOffset(0, true).format())  expect(dayjs(d2).utcOffset(-5, true).format())    .toBe(moment(d2).utcOffset(-5, true).format())  expect(dayjs(d2).utcOffset(5, true).format())    .toBe(moment(d2).utcOffset(5, true).format())})
test('UTC mode', () => {  const d = dayjs.utc('2000-01-01T06:00:00Z')  expect(d.isUTC()).toBeTruthy()  expect(d.utcOffset(0).isUTC()).toBeTruthy()  expect(d.utcOffset(1).isUTC()).toBeFalsy()})
test('change hours when changing the utc offset in UTC mode', () => {  const d = dayjs.utc('2000-01-01T06:31:00Z')  expect(d.hour()).toBe(6)  expect(d.utcOffset(0).hour()).toBe(6)  expect(d.utcOffset(-60).hour()).toBe(5)  expect(d.utcOffset(60).hour()).toBe(7)  expect(d.utcOffset(-30).format('HH:mm')).toBe('06:01')  expect(d.utcOffset(30).format('HH:mm')).toBe('07:01')  expect(d.utcOffset(-1380).format('HH:mm')).toBe('07:31')})
test('correctly set and add hours in offset mode', () => {  const d10 = dayjs('2000-01-30T06:31:00+10:00').utcOffset(10)  const dm8 = dayjs('2000-01-30T06:31:00-08:00').utcOffset(-8)
  expect(d10.hour(5).hour()).toBe(5)  expect(d10.hour(5).add(1, 'hour').hour()).toBe(6)  expect(d10.hour(5).add(-10, 'hour').hour()).toBe(19)
  expect(dm8.hour(5).hour()).toBe(5)  expect(dm8.hour(5).add(1, 'hour').hour()).toBe(6)  expect(dm8.hour(5).add(-10, 'hour').hour()).toBe(19)})
test('keep hours when adding month in offset mode', () => {  const d10 = dayjs('2000-01-30T06:31:00+10:00').utcOffset(10)  const dm8 = dayjs('2000-01-30T06:31:00-08:00').utcOffset(-8)
  expect(d10.add(1, 'month').hour()).toBe(6)  expect(dm8.add(1, 'month').hour()).toBe(6)
  expect(d10.add(-2, 'month').hour()).toBe(6)  expect(dm8.add(-2, 'month').hour()).toBe(6)})
test('utc costrustor', () => {  const d = new Date(2019, 8, 11, 0, 0, 0).getTime()  expect(moment(d).utc().utcOffset(480).valueOf())    .toBe(dayjs(d).utc().utcOffset(480).valueOf())
  expect(moment(d).utc().local()    .utcOffset(480)    .valueOf())    .toBe(dayjs(d).utc().local()      .utcOffset(480)      .valueOf())})
test('utc startOf', () => {  const d = new Date(2019, 8, 11, 0, 0, 0, 0).getTime()  expect(moment(d).utc().utcOffset(480).endOf('day')    .valueOf())    .toBe(dayjs(d).utc().utcOffset(480).endOf('day')      .valueOf())
  expect(moment(d).utc().utcOffset(480).endOf('day')    .valueOf())    .toBe(dayjs(d).utc().utcOffset(480).endOf('day')      .valueOf())  const d2 = '2017-07-20T11:00:00+00:00'  const d2d = dayjs(d2).utcOffset(-12).startOf('day').valueOf()  const d2m = moment(d2).utcOffset(-12).startOf('day').valueOf()  expect(d2d)    .toBe(d2m)  expect(d2d)    .toBe(1500465600000)})