1// Copyright Joyent, Inc. and other Node contributors.
2//
3// Permission is hereby granted, free of charge, to any person obtaining a
4// copy of this software and associated documentation files (the
5// "Software"), to deal in the Software without restriction, including
6// without limitation the rights to use, copy, modify, merge, publish,
7// distribute, sublicense, and/or sell copies of the Software, and to permit
8// persons to whom the Software is furnished to do so, subject to the
9// following conditions:
10//
11// The above copyright notice and this permission notice shall be included
12// in all copies or substantial portions of the Software.
13//
14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
17// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
18// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
19// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
20// USE OR OTHER DEALINGS IN THE SOFTWARE.
21
22'use strict';
23// Some operating systems report errors when an UDP message is sent to an
24// unreachable host. This error can be reported by sendto() and even by
25// recvfrom(). Node should not propagate this error to the user.
26
27const common = require('../common');
28const dgram = require('dgram');
29
30const socket = dgram.createSocket('udp4');
31const buf = Buffer.from([1, 2, 3, 4]);
32const portGetter = dgram.createSocket('udp4')
33  .bind(0, 'localhost', common.mustCall(() => {
34    const { address, port } = portGetter.address();
35    portGetter.close(common.mustCall(() => {
36      socket.send(buf, 0, 0, port, address, common.mustNotCall());
37      socket.send(buf, 0, 4, port, address, common.mustNotCall());
38      socket.send(buf, 1, 3, port, address, common.mustNotCall());
39      socket.send(buf, 3, 1, port, address, common.mustNotCall());
40      // Since length of zero means nothing, don't error despite OOB.
41      socket.send(buf, 4, 0, port, address, common.mustNotCall());
42
43      socket.close();
44    }));
45  }));
46