node/test/simple/test-net-dns-error.js

// Copyright Joyent, Inc. and other Node contributors.
//
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// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
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// 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.
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// 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,
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var common = require('../common');
var assert = require('assert');

var net = require('net');

var expected_bad_connections = 1;
var actual_bad_connections = 0;

var host = '********';
host += host;
host += host;
host += host;
host += host;
host += host;

function do_not_call() {
  throw new Error('This function should not have been called.');
}

var socket = net.connect(42, host, do_not_call);
socket.on('error', function(err) {
  assert.equal(err.code, 'ENOTFOUND');
  actual_bad_connections++;
});
socket.on('lookup', function(err, ip, type) {
  assert(err instanceof Error);
  assert.equal(err.code, 'ENOTFOUND');
  assert.equal(ip, undefined);
  assert.equal(type, undefined);
});

process.on('exit', function() {
  assert.equal(actual_bad_connections, expected_bad_connections);
});