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1'use strict';
2
3const common = require('../common');
4
5const arrayBuffer = new ArrayBuffer();
6const dataView = new DataView(arrayBuffer);
7const uint8Array = new Uint8Array(arrayBuffer);
8const int32Array = new Int32Array(arrayBuffer);
9
10const args = {
11  ArrayBufferView: {
12    'true': dataView,
13    'false-primitive': true,
14    'false-object': arrayBuffer,
15  },
16  TypedArray: {
17    'true': int32Array,
18    'false-primitive': true,
19    'false-object': arrayBuffer,
20  },
21  Uint8Array: {
22    'true': uint8Array,
23    'false-primitive': true,
24    'false-object': int32Array,
25  },
26};
27
28const bench = common.createBenchmark(main, {
29  type: Object.keys(args),
30  version: ['native', 'js'],
31  argument: ['true', 'false-primitive', 'false-object'],
32  n: [1e5],
33}, {
34  flags: ['--expose-internals', '--no-warnings'],
35});
36
37function main({ type, argument, version, n }) {
38  const util = common.binding('util');
39  const types = require('internal/util/types');
40
41  const func = { native: util, js: types }[version][`is${type}`];
42  const arg = args[type][argument];
43
44  bench.start();
45  for (let i = 0; i < n; i++) {
46    func(arg);
47  }
48  bench.end(n);
49}
50