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'use strict';
require('../common');
const assert = require('assert');
const dgram = require('dgram');
const multicastAddress = '224.0.0.114';
const setup = dgram.createSocket.bind(dgram, { type: 'udp4', reuseAddr: true });
// addMembership() with valid socket and multicast address should not throw
{
const socket = setup();
socket.addMembership(multicastAddress);
socket.close();
}
// dropMembership() without previous addMembership should throw
{
const socket = setup();
assert.throws(
() => { socket.dropMembership(multicastAddress); },
/^Error: dropMembership EADDRNOTAVAIL$/
);
socket.close();
}
// dropMembership() after addMembership() should not throw
{
const socket = setup();
socket.addMembership(multicastAddress);
socket.dropMembership(multicastAddress);
socket.close();
}