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 24 25require('../common'); 26const assert = require('assert'); 27const vm = require('vm'); 28 29const start = Date.now(); 30 31const interval = setInterval(function() { 32 try { 33 vm.runInNewContext('throw 1;'); 34 } catch { 35 } 36 37 const rss = process.memoryUsage().rss; 38 assert.ok(rss < 64 * 1024 * 1024, 39 `memory usage: ${Math.round(rss / (1024 * 1024))}Mb`); 40 41 // Stop after 5 seconds. 42 if (Date.now() - start > 5 * 1000) { 43 clearInterval(interval); 44 45 testContextLeak(); 46 } 47}, 1); 48 49function testContextLeak() { 50 // TODO: This needs a comment explaining what it's doing. Will it crash the 51 // test if there is a memory leak? Or what? 52 for (let i = 0; i < 1000; i++) 53 vm.createContext({}); 54} 55