tests/node_compat/test/parallel/test-dgram-ipv6only.js


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

// Copyright Joyent and Node contributors. All rights reserved. MIT license.
// Taken from Node 16.13.0
// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually

// TODO(cmorten): Deno.listenDatagram is currently `0.0.0.0` when you listen to `::`.

'use strict';

const common = require('../common');
if (!common.hasIPv6)
  common.skip('no IPv6 support');

const dgram = require('dgram');

// This test ensures that dual-stack support is disabled when
// we specify the `ipv6Only` option in `dgram.createSocket()`.
const socket = dgram.createSocket({
  type: 'udp6',
  ipv6Only: true,
});

socket.bind({
  port: 0,
  address: '::',
}, common.mustCall(() => {
  const { port } = socket.address();
  const client = dgram.createSocket('udp4');

  // We can still bind to '0.0.0.0'.
  // TODO: uncomment out when Deno allows IPv4 and IPv6 to be bound
  // independently
  // client.bind({
  //   port,
  //   address: '0.0.0.0',
  // }, common.mustCall(() => {
    client.close();
    socket.close();
  // }));

  client.on('error', common.mustNotCall());
}));