nodejs-mozilla/benchmark/assert/deepequal-set.js

81 lines
2.3 KiB
JavaScript

'use strict';
const common = require('../common.js');
const { deepEqual, deepStrictEqual, notDeepEqual, notDeepStrictEqual } =
require('assert');
const bench = common.createBenchmark(main, {
n: [5e2],
len: [5e2],
strict: [0, 1],
method: [
'deepEqual_primitiveOnly',
'deepEqual_objectOnly',
'deepEqual_mixed',
'notDeepEqual_primitiveOnly',
'notDeepEqual_objectOnly',
'notDeepEqual_mixed',
],
});
function benchmark(method, n, values, values2) {
const actual = new Set(values);
// Prevent reference equal elements
const deepCopy = JSON.parse(JSON.stringify(values2 ? values2 : values));
const expected = new Set(deepCopy);
bench.start();
for (let i = 0; i < n; ++i) {
method(actual, expected);
}
bench.end(n);
}
function main({ n, len, method, strict }) {
const array = Array(len).fill(1);
switch (method) {
case 'deepEqual_primitiveOnly': {
const values = array.map((_, i) => `str_${i}`);
benchmark(strict ? deepStrictEqual : deepEqual, n, values);
break;
}
case 'deepEqual_objectOnly': {
const values = array.map((_, i) => [`str_${i}`, null]);
benchmark(strict ? deepStrictEqual : deepEqual, n, values);
break;
}
case 'deepEqual_mixed': {
const values = array.map((_, i) => {
return i % 2 ? [`str_${i}`, null] : `str_${i}`;
});
benchmark(strict ? deepStrictEqual : deepEqual, n, values);
break;
}
case 'notDeepEqual_primitiveOnly': {
const values = array.map((_, i) => `str_${i}`);
const values2 = values.slice(0);
values2[Math.floor(len / 2)] = 'w00t';
benchmark(strict ? notDeepStrictEqual : notDeepEqual, n, values, values2);
break;
}
case 'notDeepEqual_objectOnly': {
const values = array.map((_, i) => [`str_${i}`, null]);
const values2 = values.slice(0);
values2[Math.floor(len / 2)] = ['w00t'];
benchmark(strict ? notDeepStrictEqual : notDeepEqual, n, values, values2);
break;
}
case 'notDeepEqual_mixed': {
const values = array.map((_, i) => {
return i % 2 ? [`str_${i}`, null] : `str_${i}`;
});
const values2 = values.slice();
values2[0] = 'w00t';
benchmark(strict ? notDeepStrictEqual : notDeepEqual, n, values, values2);
break;
}
default:
throw new Error(`Unsupported method "${method}"`);
}
}