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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 isSameMonth from '.'
describe('isSameMonth', function () {
it('returns true if the given dates have the same month (and year)', function () {
var result = isSameMonth(
new Date(2014, 8 /* Sep */, 2),
new Date(2014, 8 /* Sep */, 25)
)
assert(result === true)
})
it('returns false if the given dates have different months', function () {
var result = isSameMonth(
new Date(2014, 8 /* Sep */, 2),
new Date(2013, 8 /* Sep */, 25)
)
assert(result === false)
})
it('accepts a string', function () {
var result = isSameMonth(
new Date(2014, 8 /* Sep */, 2).toISOString(),
new Date(2014, 8 /* Sep */, 25).toISOString()
)
assert(result === true)
})
it('accepts a timestamp', function () {
var result = isSameMonth(
new Date(2014, 8 /* Sep */, 2).getTime(),
new Date(2014, 8 /* Sep */, 25).getTime()
)
assert(result === true)
})
it('returns false if the first date is `Invalid Date`', function () {
var result = isSameMonth(
new Date(NaN),
new Date(1989, 6 /* Jul */, 10)
)
assert(result === false)
})
it('returns false if the second date is `Invalid Date`', function () {
var result = isSameMonth(
new Date(1987, 1 /* Feb */, 11),
new Date(NaN)
)
assert(result === false)
})
})