ara-crypto/test/uint64.js

Cryptographic functions used in Ara modules

const isBuffer = require('is-buffer')
const uint64 = require('../uint64')
const test = require('./helpers/runner')

test.cb('uint64.encode(value)', (t) => {
  t.throws(() => uint64.encode(), { instanceOf: TypeError })
  t.throws(() => uint64.encode(null), { instanceOf: TypeError })
  t.throws(() => uint64.encode([]), { instanceOf: TypeError })
  t.throws(() => uint64.encode({}), { instanceOf: TypeError })
  t.throws(() => uint64.encode(true), { instanceOf: TypeError })
  t.throws(() => uint64.encode(NaN), { instanceOf: TypeError })
  t.throws(() => uint64.encode(() => {}), { instanceOf: TypeError })

  t.true(isBuffer(uint64.encode(42)))
  t.true(16 === uint64.encode(42, 16).length)

  t.end()
})

test.cb('uint64.decode(buffer)', (t) => {
  const number = 84
  const buffer = uint64.encode(number)

  t.throws(() => uint64.decode(), { instanceOf: TypeError })
  t.throws(() => uint64.decode(null), { instanceOf: TypeError })
  t.throws(() => uint64.decode([]), { instanceOf: TypeError })
  t.throws(() => uint64.decode({}), { instanceOf: TypeError })
  t.throws(() => uint64.decode(true), { instanceOf: TypeError })
  t.throws(() => uint64.decode(NaN), { instanceOf: TypeError })
  t.throws(() => uint64.decode(() => {}), { instanceOf: TypeError })

  t.true('number' === typeof uint64.decode(buffer))
  t.true(number === uint64.decode(buffer))

  t.end()
})