'use strict'; const common = require('../common'); const dgram = require('dgram'); { // Test the case of unref()'ing a socket with a handle. const s = dgram.createSocket('udp4'); s.bind(); s.unref(); } { // Test the case of unref()'ing a socket with no handle. const s = dgram.createSocket('udp4'); s.close(common.mustCall(() => s.unref())); } setTimeout(common.mustNotCall(), 1000).unref();