1// Copyright Joyent, Inc. and other Node contributors.
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9// following conditions:
10//
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13//
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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,
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20// USE OR OTHER DEALINGS IN THE SOFTWARE.
21
22// Test that the family option of net.connect is honored.
23
24'use strict';
25const common = require('../common');
26if (!common.hasIPv6)
27  common.skip('no IPv6 support');
28
29const assert = require('assert');
30const net = require('net');
31
32const hostAddrIPv6 = '::1';
33const HOSTNAME = 'dummy';
34
35const server = net.createServer({ allowHalfOpen: true }, (socket) => {
36  socket.resume();
37  socket.on('end', common.mustCall());
38  socket.end();
39});
40
41function tryConnect() {
42  const connectOpt = {
43    host: HOSTNAME,
44    port: server.address().port,
45    family: 6,
46    allowHalfOpen: true,
47    lookup: common.mustCall((addr, opt, cb) => {
48      assert.strictEqual(addr, HOSTNAME);
49      assert.strictEqual(opt.family, 6);
50      cb(null, hostAddrIPv6, opt.family);
51    })
52  };
53  // No `mustCall`, since test could skip, and it's the only path to `close`.
54  const client = net.connect(connectOpt, () => {
55    client.resume();
56    client.on('end', () => {
57      // Wait for next uv tick and make sure the socket stream is writable.
58      setTimeout(function() {
59        assert(client.writable);
60        client.end();
61      }, 10);
62    });
63    client.on('close', () => server.close());
64  });
65}
66
67server.listen(0, hostAddrIPv6, tryConnect);
68