59 lines
1.2 KiB
JavaScript
59 lines
1.2 KiB
JavaScript
'use strict';
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const common = require('../common.js');
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const assert = require('assert');
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const { URLSearchParams } = require('url');
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const bench = common.createBenchmark(main, {
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loopMethod: ['forEach', 'iterator'],
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n: [1e6]
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});
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const str = 'one=single&two=first&three=first&two=2nd&three=2nd&three=3rd';
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function forEach(n) {
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const params = new URLSearchParams(str);
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const noDead = [];
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const cb = (val, key) => {
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noDead[0] = key;
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noDead[1] = val;
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};
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bench.start();
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for (let i = 0; i < n; i += 1)
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params.forEach(cb);
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bench.end(n);
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assert.strictEqual(noDead[0], 'three');
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assert.strictEqual(noDead[1], '3rd');
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}
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function iterator(n) {
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const params = new URLSearchParams(str);
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const noDead = [];
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bench.start();
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for (let i = 0; i < n; i += 1) {
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for (const pair of params) {
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noDead[0] = pair[0];
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noDead[1] = pair[1];
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}
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}
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bench.end(n);
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assert.strictEqual(noDead[0], 'three');
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assert.strictEqual(noDead[1], '3rd');
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}
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function main({ loopMethod, n }) {
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switch (loopMethod) {
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case 'forEach':
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forEach(n);
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break;
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case 'iterator':
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iterator(n);
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break;
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default:
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throw new Error(`Unknown method ${loopMethod}`);
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}
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}
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