'use strict'; const common = require('../common'); const assert = require('assert'); const spawn = require('child_process').spawn; // spawn a node child process in "interactive" mode (force the repl) const cp = spawn(process.execPath, ['-i']); const timeoutId = setTimeout(function() { common.fail('timeout!'); }, common.platformTimeout(5000)); // give node + the repl 5 seconds to start cp.stdout.setEncoding('utf8'); cp.stdout.once('data', common.mustCall(function(b) { clearTimeout(timeoutId); assert.strictEqual(b, '> '); cp.kill(); }));