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'; 23require('../common'); 24const assert = require('assert'); 25const cluster = require('cluster'); 26 27const OK = 2; 28 29if (cluster.isMaster) { 30 31 const worker = cluster.fork(); 32 33 worker.on('exit', (code) => { 34 assert.strictEqual(code, OK); 35 process.exit(0); 36 }); 37 38 const result = worker.send('SOME MESSAGE'); 39 assert.strictEqual(result, true); 40 41 return; 42} 43 44// Messages sent to a worker will be emitted on both the process object and the 45// process.worker object. 46 47assert(cluster.isWorker); 48 49let sawProcess; 50let sawWorker; 51 52const messages = []; 53 54const check = (m) => { 55 messages.push(m); 56 57 if (messages.length < 2) return; 58 59 assert.deepStrictEqual(messages[0], messages[1]); 60 61 cluster.worker.once('error', (e) => { 62 assert.strictEqual(e, 'HI'); 63 process.exit(OK); 64 }); 65 66 process.emit('error', 'HI'); 67}; 68 69process.on('message', (m) => { 70 assert(!sawProcess); 71 sawProcess = true; 72 check(m); 73}); 74 75cluster.worker.on('message', (m) => { 76 assert(!sawWorker); 77 sawWorker = true; 78 check(m); 79}); 80