node/test/parallel/test-dgram-multicast-setTTL.js

23 строки
516 B
JavaScript

var common = require('../common'),
assert = require('assert'),
dgram = require('dgram'),
thrown = false,
socket = dgram.createSocket('udp4');
socket.bind(common.PORT);
socket.on('listening', function () {
socket.setMulticastTTL(16);
//Try to set an invalid TTL (valid ttl is > 0 and < 256)
try {
socket.setMulticastTTL(1000);
} catch (e) {
thrown = true;
}
assert(thrown, 'Setting an invalid multicast TTL should throw some error');
//close the socket
socket.close();
});