mcs/class/System/Test/System.Threading/SemaphoreTest.cs

   1 //
   2 // SemaphoreTest.cs - Unit tests for System.Threading.Semaphore
   3 //
   4 // Author:
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //
   7 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29
  30 using NUnit.Framework;
  31
  32 using System;
  33 using System.Security.AccessControl;
  34 using System.Threading;
  35
  36 namespace MonoTests.System.Threading {
  37
  38         [TestFixture]
  39         public class SemaphoreTest {
  40
  41                 [Test]
  42                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
  43                 public void Constructor_IntInt_NegativeInitialCount ()
  44                 {
  45                         new Semaphore (-1, 1);
  46                 }
  47
  48                 [Test]
  49                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
  50                 public void Constructor_IntInt_ZeroMaximumCount ()
  51                 {
  52                         new Semaphore (0, 0);
  53                 }
  54
  55                 [Test]
  56                 [ExpectedException (typeof (ArgumentException))]
  57                 public void Constructor_IntInt_InitialBiggerThanMaximum ()
  58                 {
  59                         new Semaphore (2, 1);
  60                 }
  61
  62                 [Test]
  63                 public void Constructor_IntInt ()
  64                 {
  65                         new Semaphore (1, 2);
  66                 }
  67
  68                 [Test]
  69                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
  70                 public void Constructor_IntIntString_NegativeInitialCount ()
  71                 {
  72                         new Semaphore (-1, 1, "mono");
  73                 }
  74
  75                 [Test]
  76                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
  77                 public void Constructor_IntIntString_ZeroMaximumCount ()
  78                 {
  79                         new Semaphore (0, 0, "mono");
  80                 }
  81
  82                 [Test]
  83                 [ExpectedException (typeof (ArgumentException))]
  84                 public void Constructor_IntIntString_InitialBiggerThanMaximum ()
  85                 {
  86                         new Semaphore (2, 1, "mono");
  87                 }
  88
  89                 [Test]
  90                 public void Constructor_IntIntString_NullName ()
  91                 {
  92                         new Semaphore (0, 1, null);
  93                 }
  94
  95                 [Test]
  96                 public void Constructor_IntIntStringBool_NegativeInitialCount ()
  97                 {
  98                         bool created = true;
  99                         try {
 100                                 new Semaphore (-1, 1, "mono", out created);
 101                         }
 102                         catch (ArgumentOutOfRangeException) {
 103                                 Assert.IsTrue (created, "Created");
 104                         }
 105                 }
 106
 107                 [Test]
 108                 public void Constructor_IntIntStringBool_ZeroMaximumCount ()
 109                 {
 110                         bool created = true;
 111                         try {
 112                                 new Semaphore (0, 0, "mono", out created);
 113                         }
 114                         catch (ArgumentOutOfRangeException) {
 115                                 Assert.IsTrue (created, "Created");
 116                         }
 117                 }
 118
 119                 [Test]
 120                 public void Constructor_IntIntStringBool_InitialBiggerThanMaximum ()
 121                 {
 122                         bool created = true;
 123                         try {
 124                                 new Semaphore (2, 1, "mono", out created);
 125                         }
 126                         catch (ArgumentException) {
 127                                 Assert.IsTrue (created, "Created");
 128                         }
 129                 }
 130
 131                 [Test]
 132                 public void Constructor_IntIntStringBool_NullName ()
 133                 {
 134                         bool created = false;
 135                         new Semaphore (0, 1, null, out created);
 136                         Assert.IsTrue (created, "Created");
 137                 }
 138
 139                 [Test]
 140                 public void Constructor_IntIntStringBoolSecurity_NegativeInitialCount ()
 141                 {
 142                         bool created = true;
 143                         try {
 144                                 new Semaphore (-1, 1, "mono", out created, null);
 145                         }
 146                         catch (ArgumentOutOfRangeException) {
 147                                 Assert.IsTrue (created, "Created");
 148                         }
 149                 }
 150
 151                 [Test]
 152                 public void Constructor_IntIntStringBoolSecurity_ZeroMaximumCount ()
 153                 {
 154                         bool created = true;
 155                         try {
 156                                 new Semaphore (0, 0, "mono", out created, null);
 157                         }
 158                         catch (ArgumentOutOfRangeException) {
 159                                 Assert.IsTrue (created, "Created");
 160                         }
 161                 }
 162
 163                 [Test]
 164                 public void Constructor_IntIntStringBoolSecurity_InitialBiggerThanMaximum ()
 165                 {
 166                         bool created = true;
 167                         try {
 168                                 new Semaphore (2, 1, "mono", out created, null);
 169                         }
 170                         catch (ArgumentException) {
 171                                 Assert.IsTrue (created, "Created");
 172                         }
 173                 }
 174
 175                 [Test]
 176                 public void Constructor_IntIntStringBoolSecurity_NullName ()
 177                 {
 178                         bool created = false;
 179                         new Semaphore (0, 1, null, out created, null);
 180                         Assert.IsTrue (created, "Created");
 181                 }
 182
 183                 [Test]
 184                 public void Constructor_CreatedWithSameName ()
 185                 {
 186                         var s1 = new Semaphore(1, 5, "name");
 187                         bool created;
 188                         var s2 = new Semaphore(1, 5, "name", out created);
 189                         Assert.IsFalse (created);
 190                 }
 191
 192                 [Test]
 193                 [Category ("MobileNotWorking")]
 194                 public void Constructor_IntIntStringBoolSecurity ()
 195                 {
 196                         bool created = false;
 197                         SemaphoreSecurity ss = new SemaphoreSecurity ();
 198                         new Semaphore (0, 1, "secure", out created, ss);
 199                         Assert.IsTrue (created, "Created");
 200                 }
 201
 202                 [Test]
 203                 [Category ("MobileNotWorking")]
 204                 [ExpectedException (typeof (ArgumentNullException))]
 205                 public void OpenExisting_NullName ()
 206                 {
 207                         Semaphore.OpenExisting (null);
 208                 }
 209
 210                 [Test]
 211                 [Category ("MobileNotWorking")]
 212                 [ExpectedException (typeof (ArgumentException))]
 213                 public void OpenExisting_EmptyName ()
 214                 {
 215                         Semaphore.OpenExisting (String.Empty);
 216                 }
 217
 218                 [Test]
 219                 [Category ("MobileNotWorking")]
 220                 [ExpectedException (typeof (ArgumentException))]
 221                 public void OpenExisting_TooLongName ()
 222                 {
 223                         Semaphore.OpenExisting (new String (' ', 261));
 224                 }
 225
 226                 [Test]
 227                 [Category ("MobileNotWorking")]
 228                 [ExpectedException (typeof (WaitHandleCannotBeOpenedException))]
 229                 public void OpenExisting_Unexisting ()
 230                 {
 231                         Semaphore.OpenExisting (new String ('a', 260));
 232                 }
 233
 234                 [Test]
 235                 [Category ("NotWorking")] // not implemented in Mono
 236                 public void OpenExisting_BadRights ()
 237                 {
 238                         Semaphore s = new Semaphore (0, 1, "bad-rights");
 239                         SemaphoreRights rights = (SemaphoreRights) Int32.MinValue;
 240                         Semaphore existing = Semaphore.OpenExisting ("bad-rights", rights);
 241                         // rights bits aren't validated
 242                         Assert.IsNotNull (existing, "OpenExisting");
 243                         Assert.IsFalse (Object.ReferenceEquals (s, existing), "!ref");
 244                 }
 245
 246                 [Test]
 247                 [Category ("NotWorking")] // not implemented in Mono
 248                 public void AccessControl_Unnamed ()
 249                 {
 250                         Semaphore s = new Semaphore (0, 1, null);
 251                         SemaphoreSecurity ss = s.GetAccessControl ();
 252                         Assert.IsNotNull (ss, "GetAccessControl");
 253                         s.SetAccessControl (ss);
 254                 }
 255
 256                 [Test]
 257                 [ExpectedException (typeof (ArgumentNullException))]
 258                 [Category ("NotWorking")] // not implemented in Mono
 259                 public void SetAccessControl_Null ()
 260                 {
 261                         Semaphore s = new Semaphore (0, 1, null);
 262                         s.SetAccessControl (null);
 263                 }
 264
 265                 [Test]
 266                 public void Release ()
 267                 {
 268                         Semaphore s = new Semaphore (0, 1, null);
 269                         s.Release ();
 270                 }
 271
 272                 [Test]
 273                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
 274                 public void Release_Zero ()
 275                 {
 276                         Semaphore s = new Semaphore (0, 1, null);
 277                         s.Release (0);
 278                 }
 279         }
 280 }
 281