denoland-deno/tests/node_compat/test/parallel/test-net-dns-error.js

// deno-fmt-ignore-file
// deno-lint-ignore-file

// Copyright Joyent and Node contributors. All rights reserved. MIT license.
// Taken from Node 20.11.1
// This file is automatically generated by `tests/node_compat/runner/setup.ts`. Do not modify this file manually.

// Copyright Joyent, Inc. and other Node contributors.
//
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'use strict';
const common = require('../common');

const assert = require('assert');
const net = require('net');

const host = '*'.repeat(64);
// Resolving hostname > 63 characters may return EAI_FAIL (permanent failure).
const errCodes = ['ENOTFOUND', 'EAI_FAIL'];

const socket = net.connect(42, host, common.mustNotCall());
socket.on('error', common.mustCall(function(err) {
  assert(errCodes.includes(err.code), err);
}));
socket.on('lookup', common.mustCall(function(err, ip, type) {
  assert(err instanceof Error);
  assert(errCodes.includes(err.code), err);
  assert.strictEqual(ip, undefined);
  assert.strictEqual(type, undefined);
}));