6f29e1a292Signed-off-by: Guilherme Araújo <arauujogui@gmail.com> PR-URL: https://github.com/nodejs/node/pull/62999 Reviewed-By: Gürgün Dayıoğlu <hey@gurgun.day> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Ethan Arrowood <ethan@arrowood.dev>
57 lines
1.6 KiB
JavaScript
57 lines
1.6 KiB
JavaScript
'use strict';
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const common = require('../common.js');
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const { styleText } = require('node:util');
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const assert = require('node:assert');
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// 1000 distinct hex colors to exercise the cache under high-miss conditions.
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// Spread evenly across hue space so colors are valid and maximally varied.
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const kHexColorCount = 1000;
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const toHex = (n) => n.toString(16).padStart(2, '0');
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const hexColors = Array.from({ length: kHexColorCount }, (_, i) => {
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const r = (i * 37) & 0xff;
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const g = (i * 73) & 0xff;
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const b = (i * 137) & 0xff;
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return `#${toHex(r)}${toHex(g)}${toHex(b)}`;
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});
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const bench = common.createBenchmark(main, {
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messageType: ['string', 'number', 'boolean', 'invalid'],
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// '#rotating' cycles through kHexColorCount distinct colors to simulate
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// the high-miss-rate / large-cache scenario (e.g. user-randomised colors).
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format: ['red', 'italic', 'invalid', '#ff0000', '#rotating'],
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validateStream: [1, 0],
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n: [1e3],
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});
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function main({ messageType, format, validateStream, n }) {
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let str;
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switch (messageType) {
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case 'string':
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str = 'hello world';
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break;
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case 'number':
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str = 10;
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break;
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case 'boolean':
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str = true;
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break;
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case 'invalid':
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str = undefined;
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break;
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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 fmt = format === '#rotating' ? hexColors[i % kHexColorCount] : format;
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let colored = '';
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try {
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colored = styleText(fmt, str, { validateStream });
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assert.ok(colored); // Attempt to avoid dead-code elimination
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} catch {
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// eslint-disable no-empty
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}
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}
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bench.end(n);
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}
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