node/test/parallel/test-dgram-setTTL.js
abouthiroppy 2057a63a91 test: improving coverage for dgram
PR-URL: https://github.com/nodejs/node/pull/10783
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
2017-01-17 12:28:18 -05:00

23 lines
543 B
JavaScript

'use strict';
const common = require('../common');
const assert = require('assert');
const dgram = require('dgram');
const socket = dgram.createSocket('udp4');
socket.bind(0);
socket.on('listening', common.mustCall(() => {
const result = socket.setTTL(16);
assert.strictEqual(result, 16);
assert.throws(() => {
socket.setTTL('foo');
}, /^TypeError: Argument must be a number$/);
// TTL must be a number from > 0 to < 256
assert.throws(() => {
socket.setTTL(1000);
}, /^Error: setTTL EINVAL$/);
socket.close();
}));