mcs/class/System.Threading.Tasks.Dataflow/Test/System.Threading.Tasks.Dataflow/EncapsulateTest.cs

   1 // EncapsulateTest.cs
   2 //
   3 // Author:
   4 //       Petr Onderka <gsvick@gmail.com>
   5 //
   6 // Copyright (c) 2012 Petr Onderka
   7 //
   8 // Permission is hereby granted, free of charge, to any person obtaining a copy
   9 // of this software and associated documentation files (the "Software"), to deal
  10 // in the Software without restriction, including without limitation the rights
  11 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  12 // copies of the Software, and to permit persons to whom the Software is
  13 // furnished to do so, subject to the following conditions:
  14 //
  15 // The above copyright notice and this permission notice shall be included in
  16 // all copies or substantial portions of the Software.
  17 //
  18 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  21 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  23 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  24 // THE SOFTWARE.
  25
  26 using System;
  27 using System.Threading.Tasks;
  28 using System.Threading.Tasks.Dataflow;
  29 using NUnit.Framework;
  30
  31 namespace MonoTests.System.Threading.Tasks.Dataflow {
  32         [TestFixture]
  33         public class EncapsulateTest {
  34                 [Test]
  35                 public void CompletionTest ()
  36                 {
  37                         var target = new CompletionCheckerBlock<int, int> ();
  38                         var source = new CompletionCheckerBlock<int, int> ();
  39
  40                         var encapsulated = DataflowBlock.Encapsulate (target, source);
  41
  42                         Assert.AreSame (source.Completion, encapsulated.Completion);
  43                 }
  44
  45                 [Test]
  46                 public void CompleteTest ()
  47                 {
  48                         var target = new CompletionCheckerBlock<int, int> ();
  49                         var source = new CompletionCheckerBlock<int, int> ();
  50
  51                         var encapsulated = DataflowBlock.Encapsulate (target, source);
  52
  53                         encapsulated.Complete ();
  54
  55                         Assert.IsFalse (source.WasCompleted);
  56                         Assert.IsTrue (target.WasCompleted);
  57                         Assert.AreSame (source.Completion, encapsulated.Completion);
  58                 }
  59
  60                 [Test]
  61                 public void FaultTest ()
  62                 {
  63                         var target = new CompletionCheckerBlock<int, int> ();
  64                         var source = new CompletionCheckerBlock<int, int> ();
  65
  66                         var encapsulated = DataflowBlock.Encapsulate (target, source);
  67
  68                         encapsulated.Fault (new Exception ());
  69                         Assert.IsFalse (source.WasFaulted);
  70                         Assert.IsTrue (target.WasFaulted);
  71                         Assert.AreSame (source.Completion, encapsulated.Completion);
  72                 }
  73         }
  74
  75         class CompletionCheckerBlock<TInput, TOutput> :
  76                 IPropagatorBlock<TInput, TOutput> {
  77                 readonly Task completion = Task.FromResult (true);
  78
  79                 public DataflowMessageStatus OfferMessage (
  80                         DataflowMessageHeader messageHeader, TInput messageValue,
  81                         ISourceBlock<TInput> source, bool consumeToAccept)
  82                 {
  83                         throw new NotImplementedException ();
  84                 }
  85
  86                 public void Complete ()
  87                 {
  88                         WasCompleted = true;
  89                 }
  90
  91                 public bool WasCompleted { get; private set; }
  92
  93                 public void Fault (Exception exception)
  94                 {
  95                         WasFaulted = true;
  96                 }
  97
  98                 public bool WasFaulted { get; private set; }
  99
 100                 public Task Completion
 101                 {
 102                         get { return completion; }
 103                 }
 104
 105                 public IDisposable LinkTo (ITargetBlock<TOutput> target,
 106                                            DataflowLinkOptions linkOptions)
 107                 {
 108                         throw new NotImplementedException ();
 109                 }
 110
 111                 public TOutput ConsumeMessage (DataflowMessageHeader messageHeader,
 112                                                ITargetBlock<TOutput> target,
 113                                                out bool messageConsumed)
 114                 {
 115                         throw new NotImplementedException ();
 116                 }
 117
 118                 public bool ReserveMessage (DataflowMessageHeader messageHeader,
 119                                             ITargetBlock<TOutput> target)
 120                 {
 121                         throw new NotImplementedException ();
 122                 }
 123
 124                 public void ReleaseReservation (DataflowMessageHeader messageHeader,
 125                                                 ITargetBlock<TOutput> target)
 126                 {
 127                         throw new NotImplementedException ();
 128                 }
 129         }
 130 }