| // Copyright Joyent, Inc. and other Node contributors. |
| // |
| // Permission is hereby granted, free of charge, to any person obtaining a |
| // copy of this software and associated documentation files (the |
| // "Software"), to deal in the Software without restriction, including |
| // without limitation the rights to use, copy, modify, merge, publish, |
| // distribute, sublicense, and/or sell copies of the Software, and to permit |
| // persons to whom the Software is furnished to do so, subject to the |
| // following conditions: |
| // |
| // The above copyright notice and this permission notice shall be included |
| // in all copies or substantial portions of the Software. |
| // |
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN |
| // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
| // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| // USE OR OTHER DEALINGS IN THE SOFTWARE. |
| |
| 'use strict'; |
| // Flags: --max_old_space_size=32 |
| |
| require('../common'); |
| const assert = require('assert'); |
| const vm = require('vm'); |
| |
| const start = Date.now(); |
| let maxMem = 0; |
| |
| const ok = process.execArgv.some(function(arg) { |
| return arg === '--max_old_space_size=32'; |
| }); |
| assert(ok, 'Run this test with --max_old_space_size=32.'); |
| |
| const interval = setInterval(function() { |
| try { |
| vm.runInNewContext('throw 1;'); |
| } catch { |
| } |
| |
| const rss = process.memoryUsage().rss; |
| maxMem = Math.max(rss, maxMem); |
| |
| if (Date.now() - start > 5 * 1000) { |
| // wait 10 seconds. |
| clearInterval(interval); |
| |
| testContextLeak(); |
| } |
| }, 1); |
| |
| function testContextLeak() { |
| for (let i = 0; i < 1000; i++) |
| vm.createContext({}); |
| } |
| |
| process.on('exit', function() { |
| console.error(`max mem: ${Math.round(maxMem / (1024 * 1024))}mb`); |
| assert.ok(maxMem < 64 * 1024 * 1024); |
| }); |