1'use strict'; 2 3const common = require('../common'); 4const assert = require('assert'); 5const spawn = require('child_process').spawn; 6 7const child = spawn(process.execPath, ['-e', ` 8 const server = require('net').createServer().listen(0); 9 server.once('listening', server.close); 10`]); 11 12child.once('exit', common.mustCall(function(exitCode, signalCode) { 13 assert.strictEqual(exitCode, 0); 14 assert.strictEqual(signalCode, null); 15})); 16