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// @flow
/* eslint-env mocha */
import assert from 'power-assert'
import isValid from '.'
describe('isValid', function() {
it('returns true if the given date is valid', function() {
var result = isValid(new Date())
assert(result === true)
})
it('returns false if the given date is invalid', function() {
var result = isValid(new Date(''))
assert(result === false)
})
it('accepts a timestamp', function() {
assert(isValid(new Date(2014, 1 /* Feb */, 11).getTime()) === true)
assert(isValid(NaN) === false)
})
it('treats null as an invalid date', function() {
var result = isValid(null)
assert(result === false)
})
it('throws TypeError exception if passed less than 1 argument', function() {
assert.throws(isValid.bind(null), TypeError)
})
})
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