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