'use strict'; const common = require('../common'); // On IBMi, the rss memory always returns zero if (common.isIBMi) common.skip('On IBMi, the rss memory always returns zero'); const assert = require('assert'); const fs = require('fs'); const files = []; while (files.length < 256) files.push(fs.openSync(__filename, 'r')); const r = process.memoryUsage.rss(); assert.strictEqual(r > 0, true);