mcs/class/corlib/Test/System.Threading.Tasks/TaskFactoryTest_T.cs

   1 //
   2 // TaskFactory_T_Test.cs
   3 //
   4 // Author:
   5 //       Marek Safar <marek.safargmail.com>
   6 //
   7 // Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining a copy
  10 // of this software and associated documentation files (the "Software"), to deal
  11 // in the Software without restriction, including without limitation the rights
  12 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  13 // copies of the Software, and to permit persons to whom the Software is
  14 // furnished to do so, subject to the following conditions:
  15 //
  16 // The above copyright notice and this permission notice shall be included in
  17 // all copies or substantial portions of the Software.
  18 //
  19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  22 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  23 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  24 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  25 // THE SOFTWARE.
  26 //
  27 //
  28
  29 #if NET_4_0
  30
  31 using System;
  32 using System.Threading;
  33 using System.Threading.Tasks;
  34
  35 using NUnit.Framework;
  36
  37 namespace MonoTests.System.Threading.Tasks
  38 {
  39         [TestFixture]
  40         public class TaskFactory_T_Tests
  41         {
  42                 class CompletedAsyncResult : IAsyncResult
  43                 {
  44                         public object AsyncState
  45                         {
  46                                 get { throw new NotImplementedException (); }
  47                         }
  48
  49                         public WaitHandle AsyncWaitHandle
  50                         {
  51                                 get { throw new NotImplementedException (); }
  52                         }
  53
  54                         public bool CompletedSynchronously
  55                         {
  56                                 get { throw new NotImplementedException (); }
  57                         }
  58
  59                         public bool IsCompleted
  60                         {
  61                                 get { return true; }
  62                         }
  63                 }
  64
  65                 class TestAsyncResult : IAsyncResult
  66                 {
  67                         WaitHandle wh = new ManualResetEvent (true);
  68
  69                         public object AsyncState
  70                         {
  71                                 get { throw new NotImplementedException (); }
  72                         }
  73
  74                         public WaitHandle AsyncWaitHandle
  75                         {
  76                                 get
  77                                 {
  78                                         return wh;
  79                                 }
  80                         }
  81
  82                         public bool CompletedSynchronously
  83                         {
  84                                 get { throw new NotImplementedException (); }
  85                         }
  86
  87                         public bool IsCompleted
  88                         {
  89                                 get { return false; }
  90                         }
  91                 }
  92
  93                 class TestAsyncResultCompletedSynchronously : IAsyncResult
  94                 {
  95                         public object AsyncState {
  96                                 get {
  97                                         throw new NotImplementedException ();
  98                                 }
  99                         }
 100
 101                         public WaitHandle AsyncWaitHandle {
 102                                 get {
 103                                         throw new NotImplementedException ();
 104                                 }
 105                         }
 106
 107                         public bool CompletedSynchronously {
 108                                 get {
 109                                         return true;
 110                                 }
 111                         }
 112
 113                         public bool IsCompleted {
 114                                 get {
 115                                         throw new NotImplementedException ();
 116                                 }
 117                         }
 118                 }
 119
 120
 121                 [SetUp]
 122                 public void Setup ()
 123                 {
 124                 }
 125
 126                 [Test]
 127                 public void ConstructorTest ()
 128                 {
 129                         try {
 130                                 new TaskFactory<int> (TaskCreationOptions.None, TaskContinuationOptions.ExecuteSynchronously | TaskContinuationOptions.LongRunning);
 131                                 Assert.Fail ("#1");
 132                         } catch (ArgumentOutOfRangeException) {
 133                         }
 134
 135                         try {
 136                                 new TaskFactory<int> (TaskCreationOptions.None, TaskContinuationOptions.OnlyOnRanToCompletion);
 137                                 Assert.Fail ("#2");
 138                         } catch (ArgumentOutOfRangeException) {
 139                         }
 140
 141                         try {
 142                                 new TaskFactory<int> (TaskCreationOptions.None, TaskContinuationOptions.NotOnRanToCompletion);
 143                                 Assert.Fail ("#3");
 144                         } catch (ArgumentOutOfRangeException) {
 145                         }
 146                 }
 147
 148                 [Test]
 149                 public void NoDefaultScheduler ()
 150                 {
 151                         var tf = new TaskFactory<object> ();
 152                         Assert.IsNull (tf.Scheduler, "#1");
 153                 }
 154
 155                 [Test]
 156                 public void FromAsync_ArgumentsCheck ()
 157                 {
 158                         var factory = new TaskFactory<object> ();
 159
 160                         var result = new CompletedAsyncResult ();
 161                         try {
 162                                 factory.FromAsync (null, l => 1);
 163                                 Assert.Fail ("#1");
 164                         } catch (ArgumentNullException) {
 165                         }
 166
 167                         try {
 168                                 factory.FromAsync (result, null);
 169                                 Assert.Fail ("#2");
 170                         } catch (ArgumentNullException) {
 171                         }
 172
 173                         try {
 174                                 factory.FromAsync (result, l => 1, TaskCreationOptions.LongRunning);
 175                                 Assert.Fail ("#3");
 176                         } catch (ArgumentOutOfRangeException) {
 177                         }
 178
 179                         try {
 180                                 factory.FromAsync (result, l => 1, TaskCreationOptions.PreferFairness);
 181                                 Assert.Fail ("#4");
 182                         } catch (ArgumentOutOfRangeException) {
 183                         }
 184
 185                         try {
 186                                 factory.FromAsync (result, l => 1, TaskCreationOptions.None, null);
 187                                 Assert.Fail ("#5");
 188                         } catch (ArgumentNullException) {
 189                         }
 190
 191                         try {
 192                                 factory.FromAsync (null, l => 1, null, TaskCreationOptions.None);
 193                                 Assert.Fail ("#6");
 194                         } catch (ArgumentNullException) {
 195                         }
 196                 }
 197
 198                 [Test]
 199                 public void FromAsync_SimpleAsyncResult ()
 200                 {
 201                         var result = new TestAsyncResult ();
 202
 203                         var factory = new TaskFactory<int> ();
 204                         var task = factory.FromAsync (result, l => 5);
 205
 206                         Assert.IsTrue (task.Wait (1000), "#1");
 207                         Assert.AreEqual (5, task.Result, "#2");
 208                 }
 209
 210                 IAsyncResult BeginGetTestAsyncResultCompletedSynchronously (AsyncCallback cb, object obj)
 211                 {
 212                         return new TestAsyncResultCompletedSynchronously ();
 213                 }
 214
 215                 string EndGetTestAsyncResultCompletedSynchronously (IAsyncResult res)
 216                 {
 217                         return "1";
 218                 }
 219
 220                 [Test]
 221                 public void FromAsync_CompletedSynchronously ()
 222                 {
 223                         var factory = new TaskFactory<string> ();
 224                         var task = factory.FromAsync (BeginGetTestAsyncResultCompletedSynchronously, EndGetTestAsyncResultCompletedSynchronously, null);
 225
 226                         Assert.IsTrue (task.Wait (1000), "#1");
 227                         Assert.AreEqual ("1", task.Result, "#2");
 228                 }
 229
 230                 IAsyncResult BeginGetTestAsyncResultCompletedSynchronously2 (AsyncCallback cb, object obj)
 231                 {
 232                         var result = new TestAsyncResultCompletedSynchronously ();
 233                         cb (result);
 234                         return result;
 235                 }
 236
 237                 string EndGetTestAsyncResultCompletedSynchronously2 (IAsyncResult res)
 238                 {
 239                         return "1";
 240                 }
 241
 242                 [Test]
 243                 public void FromAsync_CompletedSynchronously_with_Callback ()
 244                 {
 245                         var factory = new TaskFactory<string> ();
 246                         var task = factory.FromAsync (BeginGetTestAsyncResultCompletedSynchronously2, EndGetTestAsyncResultCompletedSynchronously2, null);
 247
 248                         Assert.IsTrue (task.Wait (1000), "#1");
 249                         Assert.AreEqual ("1", task.Result, "#2");
 250                 }
 251
 252         }
 253 }
 254
 255 #endif