diff options
Diffstat (limited to 'benchmark/es')
-rw-r--r-- | benchmark/es/string-repeat.js | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/benchmark/es/string-repeat.js b/benchmark/es/string-repeat.js new file mode 100644 index 0000000000..a6b389033a --- /dev/null +++ b/benchmark/es/string-repeat.js @@ -0,0 +1,35 @@ +'use strict'; + +const assert = require('assert'); +const common = require('../common.js'); + +const configs = { + n: [1e3], + mode: ['Array', 'repeat'], + encoding: ['ascii', 'utf8'], + size: [1e1, 1e3, 1e6], +}; + +const bench = common.createBenchmark(main, configs); + +function main(conf) { + const n = +conf.n; + const size = +conf.size; + const character = conf.encoding === 'ascii' ? 'a' : '\ud83d\udc0e'; // '🐎' + + let str; + + if (conf.mode === 'Array') { + bench.start(); + for (let i = 0; i < n; i++) + str = new Array(size + 1).join(character); + bench.end(n); + } else { + bench.start(); + for (let i = 0; i < n; i++) + str = character.repeat(size); + bench.end(n); + } + + assert.strictEqual([...str].length, size); +} |