1'use strict'; 2 3// We don't care about `err` in the callback function of `dns.resolve4`. We just 4// want to test whether `dns.setServers` that is run after `resolve4` will cause 5// a crash or not. If it doesn't crash, the test succeeded. 6 7const common = require('../common'); 8const { addresses } = require('../common/internet'); 9const dns = require('dns'); 10 11dns.resolve4( 12 addresses.INET4_HOST, 13 common.mustCall(function(/* err, nameServers */) { 14 dns.setServers([ addresses.DNS4_SERVER ]); 15 })); 16 17// Test https://github.com/nodejs/node/issues/14734 18dns.resolve4(addresses.INET4_HOST, common.mustCall()); 19