nodejs/test/parallel/test-resource-usage.js

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'use strict';
require('../common');
const assert = require('assert');
const rusage = process.resourceUsage();
[
'userCPUTime',
'systemCPUTime',
'maxRSS',
'sharedMemorySize',
'unsharedDataSize',
'unsharedStackSize',
'minorPageFault',
'majorPageFault',
'swappedOut',
'fsRead',
'fsWrite',
'ipcSent',
'ipcReceived',
'signalsCount',
'voluntaryContextSwitches',
'involuntaryContextSwitches'
].forEach((n) => {
assert.strictEqual(typeof rusage[n], 'number', `${n} should be a number`);
assert(rusage[n] >= 0, `${n} should be above or equal 0`);
});