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'use strict';
const common = require('../common');
if (!common.hasIPv6)
common.skip('no IPv6 support');
// This test ensures that dual-stack support is disabled when
// we specify the `ipv6Only` option in `net.Server.listen()`.
const assert = require('assert');
const net = require('net');
const host = '::';
const server = net.createServer();
server.listen({
host,
port: 0,
ipv6Only: true,
}, common.mustCall(() => {
const { port } = server.address();
const socket = net.connect({
host: '0.0.0.0',
port,
});
socket.on('connect', common.mustNotCall());
socket.on('error', common.mustCall((err) => {
assert.strictEqual(err.code, 'ECONNREFUSED');
server.close();
}));
}));
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