node/benchmark/assert/deepequal-buffer.js

'use strict';
const common = require('../common.js');
const assert = require('assert');

const bench = common.createBenchmark(main, {
  n: [1e5],
  len: [1e2, 1e4],
  method: [
    'deepEqual',
    'deepStrictEqual',
    'notDeepEqual',
    'notDeepStrictEqual'
  ]
});

function main({ len, n, method }) {
  if (!method)
    method = 'deepEqual';
  const data = Buffer.allocUnsafe(len + 1);
  const actual = Buffer.alloc(len);
  const expected = Buffer.alloc(len);
  const expectedWrong = Buffer.alloc(len + 1);
  data.copy(actual);
  data.copy(expected);
  data.copy(expectedWrong);

  const fn = assert[method];
  const value2 = method.includes('not') ? expectedWrong : expected;

  bench.start();
  for (var i = 0; i < n; ++i) {
    fn(actual, value2);
  }
  bench.end(n);
}