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'use strict';
const common = require('../common');
if (!common.hasIPv6)
common.skip('no IPv6 support');
const assert = require('assert');
const cluster = require('cluster');
const net = require('net');
// This test ensures that dual-stack support still works for cluster module
// when `ipv6Only` is not `true`.
const host = '::';
const WORKER_COUNT = 3;
if (cluster.isMaster) {
const workers = [];
let address;
for (let i = 0; i < WORKER_COUNT; i += 1) {
const myWorker = new Promise((resolve) => {
const worker = cluster.fork().on('exit', common.mustCall((statusCode) => {
assert.strictEqual(statusCode, 0);
})).on('listening', common.mustCall((workerAddress) => {
if (!address) {
address = workerAddress;
} else {
assert.strictEqual(address.addressType, workerAddress.addressType);
assert.strictEqual(address.host, workerAddress.host);
assert.strictEqual(address.port, workerAddress.port);
}
resolve(worker);
}));
});
workers.push(myWorker);
}
Promise.all(workers).then(common.mustCall((resolvedWorkers) => {
const socket = net.connect({
port: address.port,
host: '0.0.0.0',
}, common.mustCall(() => {
socket.destroy();
resolvedWorkers.forEach((resolvedWorker) => {
resolvedWorker.disconnect();
});
}));
socket.on('error', common.mustNotCall());
}));
} else {
net.createServer().listen({
host,
port: 0,
}, common.mustCall());
}
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