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: --expose-gc 24 25const common = require('../common'); 26const onGC = require('../common/ongc'); 27const assert = require('assert'); 28const net = require('net'); 29 30// Test that the implicit listener for an 'connect' event on net.Sockets is 31// added using `once()`, i.e. can be gc'ed once that event has occurred. 32 33const server = net.createServer(common.mustCall()).listen(0); 34 35let collected = false; 36const gcListener = { ongc() { collected = true; } }; 37 38{ 39 const gcObject = {}; 40 onGC(gcObject, gcListener); 41 42 const sock = net.createConnection( 43 server.address().port, 44 common.mustCall(() => { 45 assert.strictEqual(gcObject, gcObject); // Keep reference alive 46 assert.strictEqual(collected, false); 47 setImmediate(done, sock); 48 })); 49} 50 51function done(sock) { 52 global.gc(); 53 setImmediate(() => { 54 assert.strictEqual(collected, true); 55 sock.end(); 56 server.close(); 57 }); 58} 59