1// Copyright Joyent, Inc. and other Node contributors. 2// 3// Permission is hereby granted, free of charge, to any person obtaining a 4// copy of this software and associated documentation files (the 5// "Software"), to deal in the Software without restriction, including 6// without limitation the rights to use, copy, modify, merge, publish, 7// distribute, sublicense, and/or sell copies of the Software, and to permit 8// persons to whom the Software is furnished to do so, subject to the 9// following conditions: 10// 11// The above copyright notice and this permission notice shall be included 12// in all copies or substantial portions of the Software. 13// 14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 15// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 16// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN 17// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 18// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 19// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 20// USE OR OTHER DEALINGS IN THE SOFTWARE. 21 22// Flags: --predictable-gc-schedule 23'use strict'; 24const common = require('../common'); 25const assert = require('assert'); 26 27const r = process.memoryUsage(); 28// On IBMi, the rss memory always returns zero 29if (!common.isIBMi) { 30 assert.ok(r.rss > 0); 31 assert.ok(process.memoryUsage.rss() > 0); 32} 33 34assert.ok(r.heapTotal > 0); 35assert.ok(r.heapUsed > 0); 36assert.ok(r.external > 0); 37 38assert.strictEqual(typeof r.arrayBuffers, 'number'); 39if (r.arrayBuffers > 0) { 40 const size = 10 * 1024 * 1024; 41 // eslint-disable-next-line no-unused-vars 42 const ab = new ArrayBuffer(size); 43 44 const after = process.memoryUsage(); 45 assert.ok(after.external - r.external >= size, 46 `${after.external} - ${r.external} >= ${size}`); 47 assert.strictEqual(after.arrayBuffers - r.arrayBuffers, size, 48 `${after.arrayBuffers} - ${r.arrayBuffers} === ${size}`); 49} 50