import { convertLocalSecondsToUTCDaySeconds, convertUTCDaySecondsToLocalSeconds } from './utils' describe('convertLocalSecondsToUTCDaySeconds', () => { it('should convert local seconds to UTC day seconds correctly', () => { const localTimezone = 'Asia/Shanghai' const utcSeconds = convertLocalSecondsToUTCDaySeconds(0, localTimezone) expect(utcSeconds).toBe((24 - 8) * 3600) }) it('should convert local seconds to UTC day seconds for a specific time', () => { const localTimezone = 'Asia/Shanghai' expect(convertUTCDaySecondsToLocalSeconds(convertLocalSecondsToUTCDaySeconds(0, localTimezone), localTimezone)).toBe(0) }) })