-const Benchmark = require('benchmark')
-const { LIST_FORMATTER, secureRandom } = require('./benchmark-utils')
+const Benchmark = require('benny')
+const {
+ secureRandom,
+ secureRandomWithRandomValues
+} = require('./benchmark-utils')
+const crypto = require('crypto')
-const suite = new Benchmark.Suite()
-
-const maximum = 1000
+const maximum = 281474976710654
/**
* @param max
* @param min
+ * @returns
*/
-function getSecureRandomInteger (max, min = 0) {
+function getSecureRandomInteger (max = Number.MAX_SAFE_INTEGER, min = 0) {
+ if (max < min || max < 0 || min < 0) {
+ throw new RangeError('Invalid interval')
+ }
max = Math.floor(max)
- if (min) {
+ if (min != null && min !== 0) {
min = Math.ceil(min)
return Math.floor(secureRandom() * (max - min + 1)) + min
}
/**
* @param max
* @param min
+ * @returns
+ */
+function getSecureRandomIntegerWithRandomValues (
+ max = Number.MAX_SAFE_INTEGER,
+ min = 0
+) {
+ if (max < min || max < 0 || min < 0) {
+ throw new RangeError('Invalid interval')
+ }
+ max = Math.floor(max)
+ if (min != null && min !== 0) {
+ min = Math.ceil(min)
+ return Math.floor(secureRandomWithRandomValues() * (max - min + 1)) + min
+ }
+ return Math.floor(secureRandomWithRandomValues() * (max + 1))
+}
+
+/**
+ * @param max
+ * @param min
+ * @returns
*/
-function getRandomInteger (max, min = 0) {
+function getRandomInteger (max = Number.MAX_SAFE_INTEGER, min = 0) {
+ if (max < min || max < 0 || min < 0) {
+ throw new RangeError('Invalid interval')
+ }
max = Math.floor(max)
- if (min) {
+ if (min != null && min !== 0) {
min = Math.ceil(min)
return Math.floor(Math.random() * (max - min + 1)) + min
}
return Math.floor(Math.random() * (max + 1))
}
-suite
- .add('Secure random integer generator', function () {
+Benchmark.suite(
+ 'Random Integer Generator',
+ Benchmark.add('Secure random integer generator', () => {
getSecureRandomInteger(maximum)
- })
- .add('Random integer generator', function () {
+ }),
+ Benchmark.add(
+ 'Secure random with getRandomValues() integer generator',
+ () => {
+ getSecureRandomIntegerWithRandomValues(maximum)
+ }
+ ),
+ Benchmark.add('Crypto random integer generator', (max = maximum, min = 0) => {
+ max = Math.floor(max)
+ if (min !== undefined && min !== 0) {
+ min = Math.ceil(min)
+ return Math.floor(crypto.randomInt(min, max + 1))
+ }
+ return Math.floor(crypto.randomInt(max + 1))
+ }),
+ Benchmark.add('Math random integer generator', () => {
getRandomInteger(maximum)
+ }),
+ Benchmark.cycle(),
+ Benchmark.complete(),
+ Benchmark.save({
+ file: 'random-integer-generator',
+ format: 'json',
+ details: true
+ }),
+ Benchmark.save({
+ file: 'random-integer-generator',
+ format: 'chart.html',
+ details: true
+ }),
+ Benchmark.save({
+ file: 'random-integer-generator',
+ format: 'table.html',
+ details: true
})
- .on('cycle', function (event) {
- console.log(event.target.toString())
- })
- .on('complete', function () {
- console.log(
- 'Fastest is ' + LIST_FORMATTER.format(this.filter('fastest').map('name'))
- )
- // eslint-disable-next-line no-process-exit
- process.exit()
- })
- .run()
+)