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'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({ n, size, encoding, mode }) {
const character = encoding === 'ascii' ? 'a' : '\ud83d\udc0e'; // '🐎'
let str;
switch (mode) {
case '':
// Empty string falls through to next line as default, mostly for tests.
case 'Array':
bench.start();
for (let i = 0; i < n; i++)
str = new Array(size + 1).join(character);
bench.end(n);
break;
case 'repeat':
bench.start();
for (let i = 0; i < n; i++)
str = character.repeat(size);
bench.end(n);
break;
default:
throw new Error(`Unexpected method "${mode}"`);
}
assert.strictEqual([...str].length, size);
}
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