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Contents
import Gigasecond from './gigasecond'
describe('Gigasecond', () => {
it('tells a gigasecond anniversary since midnight', () => {
const gs = new Gigasecond(new Date(Date.UTC(2015, 8, 14)))
const expectedDate = new Date(Date.UTC(2047, 4, 23, 1, 46, 40))
expect(gs.date()).toEqual(expectedDate)
})
it('tells the anniversary is next day when you are born at night', () => {
const gs = new Gigasecond(new Date(Date.UTC(2015, 8, 14, 23, 59, 59)))
const expectedDate = new Date(Date.UTC(2047, 4, 24, 1, 46, 39))
expect(gs.date()).toEqual(expectedDate)
})
it('even works before 1970 (beginning of Unix epoch )', () => {
const gs = new Gigasecond(new Date(Date.UTC(1959, 6, 19, 5, 13, 45)))
const expectedDate = new Date(Date.UTC(1991, 2, 27, 7, 0, 25))
expect(gs.date()).toEqual(expectedDate)
})
it('make sure calling "date" doesn\'t mutate value', () => {
const gs = new Gigasecond(new Date(Date.UTC(1959, 6, 19, 5, 13, 45)))
const expectedDate = new Date(Date.UTC(1991, 2, 27, 7, 0, 25))
gs.date()
expect(gs.date()).toEqual(expectedDate)
})
})
Version data entries
71 entries across 71 versions & 1 rubygems