bigint-crypto-utils/test/modInv.js

41 lines
1.0 KiB
JavaScript

'use strict';
// For the browser test builder to work you MUST import them module in a variable that
// is the camelised version of the package name.
const bigintCryptoUtils = require('../dist/bigint-crypto-utils-latest.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 = bigintCryptoUtils.modInv(input.a, input.n);
// chai.assert( String(ret) === String(input.modInv) );
chai.expect(String(ret)).to.be.equal(String(input.modInv));
});
});
}
});