| 'use strict'; |
| const common = require('../common'); |
| const assert = require('assert'); |
| const { execFile } = require('child_process'); |
| |
| function checkFactory(streamName) { |
| return common.mustCall((err) => { |
| assert(err instanceof RangeError); |
| assert.strictEqual(err.message, `${streamName} maxBuffer length exceeded`); |
| assert.strictEqual(err.code, 'ERR_CHILD_PROCESS_STDIO_MAXBUFFER'); |
| }); |
| } |
| |
| // default value |
| { |
| execFile( |
| process.execPath, |
| ['-e', 'console.log("a".repeat(1024 * 1024))'], |
| checkFactory('stdout') |
| ); |
| } |
| |
| // default value |
| { |
| execFile( |
| process.execPath, |
| ['-e', 'console.log("a".repeat(1024 * 1024 - 1))'], |
| common.mustCall((err, stdout, stderr) => { |
| assert.ifError(err); |
| assert.strictEqual(stdout.trim(), 'a'.repeat(1024 * 1024 - 1)); |
| assert.strictEqual(stderr, ''); |
| }) |
| ); |
| } |
| |
| { |
| const options = { maxBuffer: Infinity }; |
| |
| execFile( |
| process.execPath, |
| ['-e', 'console.log("hello world");'], |
| options, |
| common.mustCall((err, stdout, stderr) => { |
| assert.ifError(err); |
| assert.strictEqual(stdout.trim(), 'hello world'); |
| assert.strictEqual(stderr, ''); |
| }) |
| ); |
| } |
| |
| { |
| execFile('echo', ['hello world'], { maxBuffer: 5 }, checkFactory('stdout')); |
| } |
| |
| const unicode = '中文测试'; // length = 4, byte length = 12 |
| |
| { |
| execFile( |
| process.execPath, |
| ['-e', `console.log('${unicode}');`], |
| { maxBuffer: 10 }, |
| checkFactory('stdout')); |
| } |
| |
| { |
| execFile( |
| process.execPath, |
| ['-e', `console.error('${unicode}');`], |
| { maxBuffer: 10 }, |
| checkFactory('stderr') |
| ); |
| } |
| |
| { |
| const child = execFile( |
| process.execPath, |
| ['-e', `console.log('${unicode}');`], |
| { encoding: null, maxBuffer: 10 }, |
| checkFactory('stdout') |
| ); |
| |
| child.stdout.setEncoding('utf-8'); |
| } |
| |
| { |
| const child = execFile( |
| process.execPath, |
| ['-e', `console.error('${unicode}');`], |
| { encoding: null, maxBuffer: 10 }, |
| checkFactory('stderr') |
| ); |
| |
| child.stderr.setEncoding('utf-8'); |
| } |