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';
23const common = require('../common');
24const assert = require('assert');
25const net = require('net');
26
27let connections = 0;
28let dataEvents = 0;
29let conn;
30
31
32// Server
33const server = net.createServer(function(conn) {
34  connections++;
35  conn.end('This was the year he fell to pieces.');
36
37  if (connections === 5)
38    server.close();
39});
40
41server.listen(0, function() {
42  // Client 1
43  conn = net.createConnection(this.address().port, 'localhost');
44  conn.resume();
45  conn.on('data', onDataOk);
46
47
48  // Client 2
49  conn = net.createConnection(this.address().port, 'localhost');
50  conn.pause();
51  conn.resume();
52  conn.on('data', onDataOk);
53
54
55  // Client 3
56  conn = net.createConnection(this.address().port, 'localhost');
57  conn.pause();
58  conn.on('data', common.mustNotCall());
59  scheduleTearDown(conn);
60
61
62  // Client 4
63  conn = net.createConnection(this.address().port, 'localhost');
64  conn.resume();
65  conn.pause();
66  conn.resume();
67  conn.on('data', onDataOk);
68
69
70  // Client 5
71  conn = net.createConnection(this.address().port, 'localhost');
72  conn.resume();
73  conn.resume();
74  conn.pause();
75  conn.on('data', common.mustNotCall());
76  scheduleTearDown(conn);
77
78  function onDataOk() {
79    dataEvents++;
80  }
81
82  function scheduleTearDown(conn) {
83    setTimeout(function() {
84      conn.removeAllListeners('data');
85      conn.resume();
86    }, 100);
87  }
88});
89
90
91// Exit sanity checks
92process.on('exit', function() {
93  assert.strictEqual(connections, 5);
94  assert.strictEqual(dataEvents, 3);
95});
96