// Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. var common = require('../common'); var assert = require('assert'); var dns = require('dns'); // Try resolution without callback dns.lookup(null, function(error, result, addressType) { assert.equal(null, result); assert.equal(4, addressType); }); dns.lookup('127.0.0.1', function(error, result, addressType) { assert.equal('127.0.0.1', result); assert.equal(4, addressType); }); dns.lookup('::1', function(error, result, addressType) { assert.equal('::1', result); assert.equal(6, addressType); }); // Try calling resolve with an unsupported type. assert.throws(function() { dns.resolve('www.google.com', 'HI'); }, /Unknown type/); // Windows doesn't usually have an entry for localhost 127.0.0.1 in // C:\Windows\System32\drivers\etc\hosts // so we disable this test on Windows. if (process.platform != 'win32') { dns.resolve('127.0.0.1', 'PTR', function(error, domains) { if (error) throw error; assert.ok(Array.isArray(domains)); }); }