1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
// System.Net.Sockets.TcpClientTest.cs
//
// Authors:
// Phillip Pearson (pp@myelin.co.nz)
// Martin Willemoes Hansen (mwh@sysrq.dk)
//
// (C) Copyright 2001 Phillip Pearson (http://www.myelin.co.nz)
// (C) Copyright 2003 Martin Willemoes Hansen
//
using System;
using System.Net;
using System.Net.Sockets;
using NUnit.Framework;
namespace MonoTests.System.Net.Sockets
{
/// <summary>
/// Tests System.Net.Sockets.TcpClient
/// </summary>
[TestFixture]
public class TcpClientTest
{
/// <summary>
/// Tests the TcpClient object
/// (from System.Net.Sockets)
/// </summary>
[Test]
public void TcpClient()
{
// set up a listening Socket
Socket lSock = new Socket(AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
lSock.Bind(new IPEndPoint(IPAddress.Any, 8765));
lSock.Listen(-1);
// connect to it with a TcpClient
TcpClient outClient = new TcpClient("localhost", 8765);
Socket inSock = lSock.Accept();
// now try exchanging data
NetworkStream stream = outClient.GetStream();
const int len = 1024;
byte[] outBuf = new Byte[len];
for (int i=0; i<len; i++)
{
outBuf[i] = (byte)(i % 256);
}
// send it
stream.Write(outBuf,0,len);
// and see if it comes back
byte[] inBuf = new Byte[len];
int ret = inSock.Receive(inBuf, 0, len, 0);
Assert.IsTrue (ret != 0);
for (int i=0; i<len; i++)
{
Assert.IsTrue (inBuf[i] == outBuf[i]);
}
// tidy up
inSock.Close();
outClient.Close();
lSock.Close();
}
[Test] // bug #81105
public void CloseTest ()
{
IPEndPoint localEP = new IPEndPoint (IPAddress.Loopback, 8765);
using (SocketResponder sr = new SocketResponder (localEP, new SocketRequestHandler (CloseRequestHandler))) {
sr.Start ();
TcpClient tcpClient = new TcpClient (IPAddress.Loopback.ToString (), 8765);
NetworkStream ns = tcpClient.GetStream ();
Assert.IsNotNull (ns, "#A1");
#if NET_2_0
Assert.AreEqual (0, tcpClient.Available, "#A2");
Assert.IsTrue (tcpClient.Connected, "#A3");
// Assert.IsFalse (tcpClient.ExclusiveAddressUse, "#A4");
#endif
tcpClient.Close ();
#if NET_2_0
Assert.IsNotNull (tcpClient.Client, "#A5");
try {
int available = tcpClient.Available;
Assert.Fail ("#A6: " + available);
} catch (ObjectDisposedException) {
}
Assert.IsFalse (tcpClient.Connected, "#A7");
// not supported on linux
/*
try {
bool exclusive = tcpClient.ExclusiveAddressUse;
Assert.Fail ("#A8: " + exclusive);
} catch (ObjectDisposedException) {
}
*/
#endif
}
using (SocketResponder sr = new SocketResponder (localEP, new SocketRequestHandler (CloseRequestHandler))) {
sr.Start ();
TcpClient tcpClient = new TcpClient (IPAddress.Loopback.ToString (), 8765);
#if NET_2_0
Assert.AreEqual (0, tcpClient.Available, "#B1");
Assert.IsTrue (tcpClient.Connected, "#B2");
// Assert.IsFalse (tcpClient.ExclusiveAddressUse, "#B3");
#endif
tcpClient.Close ();
#if NET_2_0
Assert.IsNull (tcpClient.Client, "#B4");
try {
int available = tcpClient.Available;
Assert.Fail ("#B5: " + available);
} catch (NullReferenceException) {
}
try {
bool connected = tcpClient.Connected;
Assert.Fail ("#B6: " + connected);
} catch (NullReferenceException) {
}
// not supported on linux
/*
try {
bool exclusive = tcpClient.ExclusiveAddressUse;
Assert.Fail ("#B7: " + exclusive);
} catch (NullReferenceException) {
}
*/
#endif
}
}
byte [] CloseRequestHandler (Socket socket)
{
return new byte [0];
}
#if NET_2_0
[Test]
[ExpectedException (typeof(ArgumentNullException))]
public void ConnectMultiNull ()
{
TcpClient client = new TcpClient ();
IPAddress[] ipAddresses = null;
client.Connect (ipAddresses, 1234);
}
[Test]
public void ConnectMultiAny ()
{
TcpClient client = new TcpClient ();
IPAddress[] ipAddresses = new IPAddress[1];
ipAddresses[0] = IPAddress.Any;
try {
client.Connect (ipAddresses, 1234);
Assert.Fail ("ConnectMultiAny #1");
} catch (SocketException ex) {
Assert.AreEqual (10049, ex.ErrorCode, "ConnectMultiAny #2");
} catch {
Assert.Fail ("ConnectMultiAny #3");
}
}
[Test]
public void ConnectMultiRefused ()
{
TcpClient client = new TcpClient ();
IPAddress[] ipAddresses = new IPAddress[1];
ipAddresses[0] = IPAddress.Loopback;
try {
client.Connect (ipAddresses, 1234);
Assert.Fail ("ConnectMultiRefused #1");
} catch (SocketException ex) {
Assert.AreEqual (10061, ex.ErrorCode, "ConnectMultiRefused #2");
} catch {
Assert.Fail ("ConnectMultiRefused #3");
}
}
#endif
}
}
|
