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test.js
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test.js
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// @flow
/* eslint-env mocha */
import assert from 'power-assert'
import getUnixTime from '.'
describe('getUnixTime', function () {
it('returns the timestamp of the given date', function () {
var timestamp = 1483228800000
var result = getUnixTime(new Date(timestamp))
assert(result === Math.floor(timestamp / 1000))
})
it('accepts a string', function () {
var timestamp = 1484503736150
var result = getUnixTime(new Date(timestamp).toISOString())
assert(result === Math.floor(timestamp / 1000))
})
it('accepts a timestamp (and returns it unchanged)', function () {
var timestamp = 804643200000
var result = getUnixTime(timestamp)
assert(result === Math.floor(timestamp / 1000))
})
it('returns NaN if the given date is invalid', function () {
var result = getUnixTime(new Date(NaN))
assert(isNaN(result))
})
it('throws `RangeError` if `options.additionalDigits` is not convertable to 0, 1, 2 or undefined', function () {
var timestamp = 1483228800000
// $ExpectedMistake
var block = getUnixTime.bind(null, new Date(timestamp), {additionalDigits: NaN})
assert.throws(block, RangeError)
})
it('throws TypeError exception if passed less than 1 argument', function () {
assert.throws(getUnixTime.bind(null), TypeError)
})
})