| // 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. |
| |
| // Flags: --expose-gc |
| |
| // Add and remove a lot of different events to an EventEmitter, then check |
| // that we didn't leak the event names. |
| var common = require('../common'); |
| var assert = require('assert'); |
| var events = require('events'); |
| |
| assert.equal(typeof gc, 'function', 'Run this test with --expose-gc'); |
| gc(); |
| |
| var before = process.memoryUsage().heapUsed; |
| var e = new events.EventEmitter(); |
| |
| for (var i = 0; i < 2.5e5; ++i) { |
| var name = 'a-pretty-long-event-name-' + i; |
| e.on(name, assert.fail); |
| e.removeListener(name, assert.fail); |
| } |
| gc(); |
| |
| var after = process.memoryUsage().heapUsed; |
| assert(after - before < 1024*1024, 'EventEmitter leaks event names.'); |