'use strict'; require('../common'); const assert = require('assert'); const spawn = require('child_process').spawn; // spawn a node child process in "interactive" mode (force the repl) and eval const cp = spawn(process.execPath, ['-i', '-e', 'console.log("42")']); var gotToEnd = false; cp.stdout.setEncoding('utf8'); var output = ''; cp.stdout.on('data', function(b) { output += b; if (output === '> 42\n') { gotToEnd = true; cp.kill(); } }); process.on('exit', function() { assert(gotToEnd); });