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'use strict'; const assert = require('assert'); const common = require('../common.js'); const bench = common.createBenchmark(main, { n: [32], size: [8 << 20] }); function main({ n, size }) { const s = 'abcd'.repeat(size); const encodedSize = s.length * 3 / 4; // eslint-disable-next-line node-core/no-unescaped-regexp-dot s.match(/./); // Flatten string. assert.strictEqual(s.length % 4, 0); const b = Buffer.allocUnsafe(encodedSize); b.write(s, 0, encodedSize, 'base64'); bench.start(); for (let i = 0; i < n; i += 1) b.base64Write(s, 0, s.length); bench.end(n); }