58 lines
1.3 KiB
JavaScript
58 lines
1.3 KiB
JavaScript
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'use strict';
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const common = require('../common');
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const bench = common.createBenchmark(main, {
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n: [1e6],
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operation: ['get', 'set', 'enumerate', 'query', 'delete']
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});
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function main({ n, operation }) {
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switch (operation) {
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case 'get':
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bench.start();
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for (let i = 0; i < n; i++) {
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process.env.PATH;
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}
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bench.end(n);
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break;
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case 'set':
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bench.start();
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for (let i = 0; i < n; i++) {
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process.env.DUMMY = 'hello, world';
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}
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bench.end(n);
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break;
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case 'enumerate':
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// First, normalize process.env so that benchmark results are comparable.
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for (const key of Object.keys(process.env))
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delete process.env[key];
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for (let i = 0; i < 64; i++)
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process.env[Math.random()] = Math.random();
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n /= 10; // Enumeration is comparatively heavy.
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bench.start();
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for (let i = 0; i < n; i++) {
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// Access every item in object to process values.
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Object.keys(process.env);
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}
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bench.end(n);
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break;
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case 'query':
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bench.start();
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for (let i = 0; i < n; i++) {
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'PATH' in process.env;
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}
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bench.end(n);
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break;
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case 'delete':
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bench.start();
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for (let i = 0; i < n; i++) {
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delete process.env.DUMMY;
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}
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bench.end(n);
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break;
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}
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}
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