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'); 25const spawn = require('child_process').spawn; 26const fixtures = require('../common/fixtures'); 27 28const sub = fixtures.path('print-chars.js'); 29 30const n = 500000; 31 32const child = spawn(process.argv[0], [sub, n]); 33 34let count = 0; 35 36child.stderr.setEncoding('utf8'); 37child.stderr.on('data', common.mustNotCall()); 38 39child.stdout.setEncoding('utf8'); 40child.stdout.on('data', (data) => { 41 count += data.length; 42}); 43 44child.on('close', common.mustCall((code, signal) => { 45 assert.strictEqual(code, 0); 46 assert.strictEqual(signal, null); 47 assert.strictEqual(n, count); 48})); 49