mirror of https://github.com/nodejs/node.git
51 lines
1.1 KiB
JavaScript
51 lines
1.1 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 bench = common.createBenchmark(main, {
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method: ['withoutdefaults', 'withdefaults'],
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millions: [100]
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});
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function oldStyleDefaults(x, y) {
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x = x || 1;
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y = y || 2;
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assert.strictEqual(x, 1);
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assert.strictEqual(y, 2);
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}
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function defaultParams(x = 1, y = 2) {
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assert.strictEqual(x, 1);
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assert.strictEqual(y, 2);
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}
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function runOldStyleDefaults(millions) {
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bench.start();
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for (var i = 0; i < millions * 1e6; i++)
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oldStyleDefaults();
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bench.end(millions);
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}
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function runDefaultParams(millions) {
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bench.start();
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for (var i = 0; i < millions * 1e6; i++)
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defaultParams();
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bench.end(millions);
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}
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function main({ millions, method }) {
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switch (method) {
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case '':
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// Empty string falls through to next line as default, mostly for tests.
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case 'withoutdefaults':
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runOldStyleDefaults(millions);
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break;
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case 'withdefaults':
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runDefaultParams(millions);
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break;
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default:
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throw new Error(`Unexpected method "${method}"`);
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}
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}
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