@iota/validators/test/isEmpty.test.ts

Collection of guards and validators, useful in IOTA development.

import test from 'ava'
import { isEmpty, isNinesTrytes } from '../src'

test('isEmpty() returns true for all-9s.', t => {
    t.is(isEmpty('99999'), true, 'isEmpty() should return true for all-9s.')

    t.is(
        isNinesTrytes('99999'), // isEmtpy() alias
        true,
        'isNinesTrytes() should return true for all-9s.'
    )
})

test('isEmpty() returns false for non-9s.', t => {
    t.is(isEmpty('ASDF999'), false, 'isEmpty() should return false for non-9s.')

    t.is(isNinesTrytes('ASDF999'), false, 'isNinesTrytes() should return false for non-9s.')
})