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// @flow
/* eslint-env mocha */
import assert from 'power-assert'
import isLeapYear from '.'
describe('isLeapYear', function() {
it('returns true if the given date is in the leap year', function() {
const result = isLeapYear(new Date(2012, 6 /* Jul */, 2))
assert(result === true)
})
it('returns false if the given date is not in the leap year', function() {
const result = isLeapYear(new Date(2014, 6 /* Jul */, 2))
assert(result === false)
})
it('works for the years divisible by 100 but not by 400', function() {
const result = isLeapYear(new Date(2100, 6 /* Jul */, 2))
assert(result === false)
})
it('works for the years divisible by 400', function() {
const result = isLeapYear(new Date(2000, 6 /* Jul */, 2))
assert(result === true)
})
it('accepts a timestamp', function() {
var date = new Date(2012, 6 /* Jul */, 2).getTime()
const result = isLeapYear(date)
assert(result === true)
})
it('returns false if the given date is `Invalid Date`', function() {
const result = isLeapYear(new Date(NaN))
assert(result === false)
})
it('throws TypeError exception if passed less than 1 argument', function() {
assert.throws(isLeapYear.bind(null), TypeError)
})
})
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