| 1 | const Benchmark = require('benny') |
| 2 | const { secureRandom } = require('./benchmark-utils') |
| 3 | |
| 4 | const maximum = Number.MAX_SAFE_INTEGER |
| 5 | |
| 6 | /** |
| 7 | * @param max |
| 8 | * @param min |
| 9 | * @returns |
| 10 | */ |
| 11 | function getSecureRandomInteger (max = Number.MAX_SAFE_INTEGER, min = 0) { |
| 12 | if (max < min || max < 0 || min < 0) { |
| 13 | throw new RangeError('Invalid interval') |
| 14 | } |
| 15 | max = Math.floor(max) |
| 16 | if (min != null && min !== 0) { |
| 17 | min = Math.ceil(min) |
| 18 | return Math.floor(secureRandom() * (max - min + 1)) + min |
| 19 | } |
| 20 | return Math.floor(secureRandom() * (max + 1)) |
| 21 | } |
| 22 | |
| 23 | /** |
| 24 | * @param max |
| 25 | * @param min |
| 26 | * @returns |
| 27 | */ |
| 28 | function getRandomInteger (max = Number.MAX_SAFE_INTEGER, min = 0) { |
| 29 | if (max < min || max < 0 || min < 0) { |
| 30 | throw new RangeError('Invalid interval') |
| 31 | } |
| 32 | max = Math.floor(max) |
| 33 | if (min != null && min !== 0) { |
| 34 | min = Math.ceil(min) |
| 35 | return Math.floor(Math.random() * (max - min + 1)) + min |
| 36 | } |
| 37 | return Math.floor(Math.random() * (max + 1)) |
| 38 | } |
| 39 | |
| 40 | Benchmark.suite( |
| 41 | 'Random Integer Generator', |
| 42 | Benchmark.add('Secure random integer generator', () => { |
| 43 | getSecureRandomInteger(maximum) |
| 44 | }), |
| 45 | Benchmark.add('Random integer generator', () => { |
| 46 | getRandomInteger(maximum) |
| 47 | }), |
| 48 | Benchmark.cycle(), |
| 49 | Benchmark.complete(), |
| 50 | Benchmark.save({ |
| 51 | file: 'random-integer-generator', |
| 52 | format: 'json', |
| 53 | details: true |
| 54 | }), |
| 55 | Benchmark.save({ |
| 56 | file: 'random-integer-generator', |
| 57 | format: 'chart.html', |
| 58 | details: true |
| 59 | }), |
| 60 | Benchmark.save({ |
| 61 | file: 'random-integer-generator', |
| 62 | format: 'table.html', |
| 63 | details: true |
| 64 | }) |
| 65 | ) |