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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';
23require('../common');
24const assert = require('assert');
25const net = require('net');
26
27const N = 200;
28let recv = '';
29let chars_recved = 0;
30
31const server = net.createServer((connection) => {
32  function write(j) {
33    if (j >= N) {
34      connection.end();
35      return;
36    }
37    setTimeout(() => {
38      connection.write('C');
39      write(j + 1);
40    }, 10);
41  }
42  write(0);
43});
44
45server.on('listening', () => {
46  const client = net.createConnection(server.address().port);
47  client.setEncoding('ascii');
48  client.on('data', (d) => {
49    console.log(d);
50    recv += d;
51  });
52
53  setTimeout(() => {
54    chars_recved = recv.length;
55    console.log(`pause at: ${chars_recved}`);
56    assert.strictEqual(chars_recved > 1, true);
57    client.pause();
58    setTimeout(() => {
59      console.log(`resume at: ${chars_recved}`);
60      assert.strictEqual(chars_recved, recv.length);
61      client.resume();
62
63      setTimeout(() => {
64        chars_recved = recv.length;
65        console.log(`pause at: ${chars_recved}`);
66        client.pause();
67
68        setTimeout(() => {
69          console.log(`resume at: ${chars_recved}`);
70          assert.strictEqual(chars_recved, recv.length);
71          client.resume();
72
73        }, 500);
74
75      }, 500);
76
77    }, 500);
78
79  }, 500);
80
81  client.on('end', () => {
82    server.close();
83    client.end();
84  });
85});
86server.listen(0);
87
88process.on('exit', () => {
89  assert.strictEqual(recv.length, N);
90  console.error('Exit');
91});
92