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// @flow
/* eslint-env mocha */
import assert from 'power-assert'
import endOfMinute from '.'
describe('endOfMinute', function() {
it('returns the date with the time set to the last millisecond before a minute ends', function() {
const date = new Date(2014, 11, 1, 22, 15)
const result = endOfMinute(date)
assert.deepEqual(result, new Date(2014, 11, 1, 22, 15, 59, 999))
})
it('accepts a timestamp', function() {
const result = endOfMinute(new Date(2014, 11, 1, 22, 15).getTime())
assert.deepEqual(result, new Date(2014, 11, 1, 22, 15, 59, 999))
})
it('does not mutate the original date', function() {
const date = new Date(2014, 11, 1, 22, 15)
endOfMinute(date)
assert.deepEqual(date, new Date(2014, 11, 1, 22, 15))
})
it('returns `Invalid Date` if the given date is invalid', function() {
const result = endOfMinute(new Date(NaN))
//@ts-expect-error
assert(result instanceof Date && isNaN(result))
})
it('throws TypeError exception if passed less than 1 argument', function() {
assert.throws(endOfMinute.bind(null), TypeError)
})
})
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