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'; 23const common = require('../common'); 24const assert = require('assert'); 25 26// If child process output to console and exit 27// The console.log statements here are part of the test. 28if (process.argv[2] === 'child') { 29 console.log('hello'); 30 for (let i = 0; i < 200; i++) { 31 console.log('filler'); 32 } 33 console.log('goodbye'); 34 process.exit(0); 35} else { 36 // parent process 37 const spawn = require('child_process').spawn; 38 39 // spawn self as child 40 const child = spawn(process.argv[0], [process.argv[1], 'child']); 41 42 let stdout = ''; 43 44 child.stderr.on('data', common.mustNotCall()); 45 46 // Check if we receive both 'hello' at start and 'goodbye' at end 47 child.stdout.setEncoding('utf8'); 48 child.stdout.on('data', common.mustCallAtLeast((data) => { 49 stdout += data; 50 })); 51 52 child.on('close', common.mustCall(() => { 53 assert.strictEqual(stdout.slice(0, 6), 'hello\n'); 54 assert.strictEqual(stdout.slice(stdout.length - 8), 'goodbye\n'); 55 })); 56} 57