bb6125bac7This reverts commit 7cfbc9f90f.
PR-URL: https://github.com/nodejs/node/pull/31755
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Vladimir de Turckheim <vlad2t@hotmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
49 lines
1.4 KiB
JavaScript
49 lines
1.4 KiB
JavaScript
'use strict';
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const common = require('../common');
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const bench = common.createBenchmark(main, {
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encoding: ['utf8', 'base64', 'buffer'],
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len: [2, 16, 256], // x16
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n: [4e6]
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});
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// 16 chars each
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const chars = [
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'hello brendan!!!', // 1 byte
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'ΰαβγδεζηθικλμνξο', // 2 bytes
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'挰挱挲挳挴挵挶挷挸挹挺挻挼挽挾挿', // 3 bytes
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'𠜎𠜱𠝹𠱓𠱸𠲖𠳏𠳕𠴕𠵼𠵿𠸎𠸏𠹷𠺝𠺢', // 4 bytes
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];
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function main({ n, len, encoding }) {
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let strings = [];
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let results = [len * 16];
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if (encoding === 'buffer') {
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strings = [Buffer.alloc(len * 16, 'a')];
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} else {
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for (const string of chars) {
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// Strings must be built differently, depending on encoding
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const data = string.repeat(len);
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if (encoding === 'utf8') {
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strings.push(data);
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} else if (encoding === 'base64') {
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// Base64 strings will be much longer than their UTF8 counterparts
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strings.push(Buffer.from(data, 'utf8').toString('base64'));
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}
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}
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// Check the result to ensure it is *properly* optimized
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results = strings.map((val) => Buffer.byteLength(val, encoding));
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}
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bench.start();
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for (let i = 0; i < n; i++) {
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const index = n % strings.length;
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// Go!
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const r = Buffer.byteLength(strings[index], encoding);
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if (r !== results[index])
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throw new Error('incorrect return value');
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}
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bench.end(n);
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}
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