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 || MOBILE
  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                 [SetUp]
  94                 public void Setup ()
  95                 {
  96                 }
  97
  98                 [Test]
  99                 public void ConstructorTest ()
 100                 {
 101                         try {
 102                                 new TaskFactory<int> (TaskCreationOptions.None, TaskContinuationOptions.ExecuteSynchronously | TaskContinuationOptions.LongRunning);
 103                                 Assert.Fail ("#1");
 104                         } catch (ArgumentOutOfRangeException) {
 105                         }
 106
 107                         try {
 108                                 new TaskFactory<int> (TaskCreationOptions.None, TaskContinuationOptions.OnlyOnRanToCompletion);
 109                                 Assert.Fail ("#2");
 110                         } catch (ArgumentOutOfRangeException) {
 111                         }
 112
 113                         try {
 114                                 new TaskFactory<int> (TaskCreationOptions.None, TaskContinuationOptions.NotOnRanToCompletion);
 115                                 Assert.Fail ("#3");
 116                         } catch (ArgumentOutOfRangeException) {
 117                         }
 118                 }
 119
 120                 [Test]
 121                 public void NoDefaultScheduler ()
 122                 {
 123                         var tf = new TaskFactory<object> ();
 124                         Assert.IsNull (tf.Scheduler, "#1");
 125                 }
 126
 127                 [Test]
 128                 public void FromAsync_ArgumentsCheck ()
 129                 {
 130                         var factory = new TaskFactory<object> ();
 131
 132                         var result = new CompletedAsyncResult ();
 133                         try {
 134                                 factory.FromAsync (null, l => 1);
 135                                 Assert.Fail ("#1");
 136                         } catch (ArgumentNullException) {
 137                         }
 138
 139                         try {
 140                                 factory.FromAsync (result, null);
 141                                 Assert.Fail ("#2");
 142                         } catch (ArgumentNullException) {
 143                         }
 144
 145                         try {
 146                                 factory.FromAsync (result, l => 1, TaskCreationOptions.LongRunning);
 147                                 Assert.Fail ("#3");
 148                         } catch (ArgumentOutOfRangeException) {
 149                         }
 150
 151                         try {
 152                                 factory.FromAsync (result, l => 1, TaskCreationOptions.PreferFairness);
 153                                 Assert.Fail ("#4");
 154                         } catch (ArgumentOutOfRangeException) {
 155                         }
 156
 157                         try {
 158                                 factory.FromAsync (result, l => 1, TaskCreationOptions.None, null);
 159                                 Assert.Fail ("#5");
 160                         } catch (ArgumentNullException) {
 161                         }
 162
 163                         try {
 164                                 factory.FromAsync (null, l => 1, null, TaskCreationOptions.None);
 165                                 Assert.Fail ("#6");
 166                         } catch (ArgumentNullException) {
 167                         }
 168                 }
 169
 170                 [Test]
 171                 public void FromAsync_SimpleAsyncResult ()
 172                 {
 173                         var result = new TestAsyncResult ();
 174
 175                         var factory = new TaskFactory<int> ();
 176                         var task = factory.FromAsync (result, l => 5);
 177
 178                         Assert.IsTrue (task.Wait (1000), "#1");
 179                         Assert.AreEqual (5, task.Result, "#2");
 180                 }
 181         }
 182 }
 183
 184 #endif