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'use strict'; 23// Flags: --max_old_space_size=32 --expose_gc 24 25const common = require('../common'); 26 27if (process.config.variables.asan) { 28 common.skip('ASAN messes with memory measurements'); 29} 30 31const assert = require('assert'); 32const vm = require('vm'); 33 34const baselineRss = process.memoryUsage.rss(); 35 36const start = Date.now(); 37 38const interval = setInterval(function() { 39 try { 40 vm.runInNewContext('throw 1;'); 41 } catch { 42 } 43 44 global.gc(); 45 const rss = process.memoryUsage.rss(); 46 assert.ok(rss < baselineRss + 32 * 1024 * 1024, 47 `memory usage: ${rss} baseline: ${baselineRss}`); 48 49 // Stop after 5 seconds. 50 if (Date.now() - start > 5 * 1000) { 51 clearInterval(interval); 52 53 testContextLeak(); 54 } 55}, 1); 56 57function testContextLeak() { 58 // TODO: This needs a comment explaining what it's doing. Will it crash the 59 // test if there is a memory leak? Or what? 60 for (let i = 0; i < 1000; i++) 61 vm.createContext({}); 62} 63