62 lines
1.8 KiB
JavaScript
62 lines
1.8 KiB
JavaScript
var should = require('chai').should();
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var Random = require('../lib/random');
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describe('Random', function() {
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describe('@getRandomBuffer', function() {
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it('should return a buffer', function() {
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var bytes = Random.getRandomBuffer(8);
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bytes.length.should.equal(8);
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Buffer.isBuffer(bytes).should.equal(true);
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});
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it('should not equate two 256 bit random buffers', function() {
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var bytes1 = Random.getRandomBuffer(32);
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var bytes2 = Random.getRandomBuffer(32);
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bytes1.toString('hex').should.not.equal(bytes2.toString('hex'));
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});
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it('should generate 1000 8 byte buffers in a row that are not equal', function() {
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var bufs = [];
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for (var i = 0; i < 100; i++)
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bufs[i] = Random.getRandomBuffer(8);
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for (var i = 0; i < 100; i++)
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for (var j = i + 1; j < 100; j++)
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bufs[i].toString('hex').should.not.equal(bufs[j].toString('hex'));
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});
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});
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describe('@getPseudoRandomBuffer', function() {
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it('should generate 7 random bytes', function() {
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var buf = Random.getPseudoRandomBuffer(7);
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buf.length.should.equal(7);
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});
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it('should generate 8 random bytes', function() {
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var buf = Random.getPseudoRandomBuffer(8);
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buf.length.should.equal(8);
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});
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it('should generate 9 random bytes', function() {
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var buf = Random.getPseudoRandomBuffer(9);
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buf.length.should.equal(9);
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});
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it('should generate 90 random bytes', function() {
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var buf = Random.getPseudoRandomBuffer(90);
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buf.length.should.equal(90);
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});
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it('should generate two 8 byte buffers that are not equal', function() {
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var buf1 = Random.getPseudoRandomBuffer(8);
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var buf2 = Random.getPseudoRandomBuffer(8);
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buf1.toString('hex').should.not.equal(buf2.toString('hex'));
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});
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});
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});
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