bigint-crypto-utils/test/modInv.js

43 lines
923 B
JavaScript

'use strict'
// Every test file (you can create as many as you want) should start like this
// Please, do NOT touch. They will be automatically removed for browser tests -->
const _pkg = require('../lib/index.node')
const chai = require('chai')
// <--
const inputs = [
{
a: BigInt(1),
n: BigInt(19),
modInv: BigInt(1)
},
{
a: BigInt(2),
n: BigInt(5),
modInv: BigInt(3)
},
{
a: BigInt(-2),
n: BigInt(5),
modInv: BigInt(2)
},
{
a: BigInt(2),
n: BigInt(4),
modInv: NaN
}
]
describe('modInv', function () {
for (const input of inputs) {
describe(`modInv(${input.a}, ${input.n})`, function () {
it(`should return ${input.modInv}`, function () {
const ret = _pkg.modInv(input.a, input.n)
// chai.assert( String(ret) === String(input.modInv) );
chai.expect(String(ret)).to.be.equal(String(input.modInv))
})
})
}
})