'use strict';

const os = require('os');

const common = require('../common.js');

const assert = require('assert');

const uptime = os.uptime;

const bench = common.createBenchmark(main, {

n: [1e5],

});

function main({ n }) {

if (os.type() === 'OS400') {

console.log('Skipping: os.uptime is not implemented on IBMi');

process.exit(0);

}

// Warm up.

const length = 1024;

const array = [];

for (let i = 0; i < length; ++i) {

array.push(uptime());

}

bench.start();

for (let i = 0; i < n; ++i) {

const index = i % length;

array[index] = uptime();

}

bench.end(n);

// Verify the entries to prevent dead code elimination from making

// the benchmark invalid.

for (let i = 0; i < length; ++i) {

assert.strictEqual(typeof array[i], 'number');

}

}