'use strict'; const common = require('../common'); const assert = require('assert'); const spawn = require('child_process').spawn; // Spawn a node child process in interactive mode (enabling the REPL) and // confirm the '> ' prompt and welcome message is included in the output. const cp = spawn(process.execPath, ['-i']); cp.stdout.setEncoding('utf8'); let out = ''; cp.stdout.on('data', (d) => { out += d; }); cp.stdout.on('end', common.mustCall(() => { assert.strictEqual(out, `Welcome to Node.js ${process.version}.\n` + 'Type ".help" for more information.\n> '); })); cp.stdin.end('');