bitcore/test/crypto/random.js

65 lines
1.8 KiB
JavaScript

'use strict';
var should = require('chai').should();
var bitcore = require('../..');
var Random = bitcore.Random;
describe('Random', function() {
describe('@getRandomBuffer', function() {
it('should return a buffer', function() {
var bytes = Random.getRandomBuffer(8);
bytes.length.should.equal(8);
Buffer.isBuffer(bytes).should.equal(true);
});
it('should not equate two 256 bit random buffers', function() {
var bytes1 = Random.getRandomBuffer(32);
var bytes2 = Random.getRandomBuffer(32);
bytes1.toString('hex').should.not.equal(bytes2.toString('hex'));
});
it('should generate 100 8 byte buffers in a row that are not equal', function() {
var hexs = [];
for (var i = 0; i < 100; i++)
hexs[i] = Random.getRandomBuffer(8).toString('hex');
for (i = 0; i < 100; i++)
for (var j = i + 1; j < 100; j++)
hexs[i].should.not.equal(hexs[j]);
});
});
describe('@getPseudoRandomBuffer', function() {
it('should generate 7 random bytes', function() {
var buf = Random.getPseudoRandomBuffer(7);
buf.length.should.equal(7);
});
it('should generate 8 random bytes', function() {
var buf = Random.getPseudoRandomBuffer(8);
buf.length.should.equal(8);
});
it('should generate 9 random bytes', function() {
var buf = Random.getPseudoRandomBuffer(9);
buf.length.should.equal(9);
});
it('should generate 90 random bytes', function() {
var buf = Random.getPseudoRandomBuffer(90);
buf.length.should.equal(90);
});
it('should generate two 8 byte buffers that are not equal', function() {
var buf1 = Random.getPseudoRandomBuffer(8);
var buf2 = Random.getPseudoRandomBuffer(8);
buf1.toString('hex').should.not.equal(buf2.toString('hex'));
});
});
});