| // 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)); |
| }); |
| } |