class/corlib/Test/System.Threading.Tasks/SnziTests.cs

   1 #if NET_4_0
   2 //
   3 // SnziTests.cs
   4 //
   5 // Author:
   6 //       Jérémie "Garuma" Laval <jeremie.laval@gmail.com>
   7 //
   8 // Copyright (c) 2009 Jérémie "Garuma" Laval
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining a copy
  11 // of this software and associated documentation files (the "Software"), to deal
  12 // in the Software without restriction, including without limitation the rights
  13 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  14 // copies of the Software, and to permit persons to whom the Software is
  15 // furnished to do so, subject to the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be included in
  18 // all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  21 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  22 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  23 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  24 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  25 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  26 // THE SOFTWARE.
  27
  28 using System;
  29 using System.Threading;
  30
  31 using NUnit.Framework;
  32
  33 namespace ParallelFxTests
  34 {
  35         [TestFixtureAttribute]
  36         public class SnziTests
  37         {
  38                 Snzi snzi;
  39
  40                 [SetUpAttribute]
  41                 public void Setup ()
  42                 {
  43                         snzi = new Snzi ();
  44                 }
  45
  46                 [Test]
  47                 public void InitialTest ()
  48                 {
  49                         Assert.IsTrue (snzi.IsSet, "#1");
  50
  51                 }
  52
  53                 [Test]
  54                 public void SimpleOperationTest ()
  55                 {
  56                         snzi.Increment ();
  57
  58                         snzi.Decrement ();
  59
  60                         Assert.IsTrue (snzi.IsSet, "#1");
  61
  62                 }
  63
  64                 [Test]
  65                 public void SimpleZeroTest ()
  66                 {
  67                         for (int i = 0; i < 10; i++) {
  68                                 if (i % 2 == 0)
  69                                         snzi.Increment ();
  70                                 else
  71                                         snzi.Decrement ();
  72                         }
  73
  74                         Assert.IsTrue (snzi.IsSet, "#1");
  75                 }
  76
  77                 [Test]
  78                 public void SimpleNonZeroTest ()
  79                 {
  80                         snzi.Increment ();
  81
  82                         for (int i = 0; i < 20; i++) {
  83                                 if (i % 2 == 0)
  84                                         snzi.Increment ();
  85                                 else
  86                                         snzi.Decrement ();
  87                                 if (i % 5 == 0)
  88                                         Thread.Sleep (0);
  89                         }
  90
  91                         Assert.IsFalse (snzi.IsSet, "#1");
  92                 }
  93
  94                 [Test]
  95                 public void StressZeroTest ()
  96                 {
  97                         ParallelTestHelper.Repeat (delegate {
  98                                 int times = 0;
  99
 100                                 ParallelTestHelper.ParallelStressTest (snzi, (s) => {
 101                                         int t = Interlocked.Increment (ref times);
 102
 103                                         for (int i = 0; i < 20; i++) {
 104                                                 if (i % 2 == 0)
 105                                                         snzi.Increment ();
 106                                                 else
 107                                                         snzi.Decrement ();
 108                                                 if (i % (3 * t) == 0)
 109                                                         Thread.Sleep (0);
 110                                         }
 111                                 });
 112
 113                                 Assert.IsTrue (snzi.IsSet, "#1");
 114                         });
 115                 }
 116
 117                 [Test]
 118                 public void StressNonZeroTest ()
 119                 {
 120                         ParallelTestHelper.Repeat (delegate {
 121                                 ParallelTestHelper.ParallelStressTest (snzi, (s) => {
 122                                         snzi.Increment ();
 123                                         for (int i = 0; i < 1; i++) {
 124                                                 if (i % 2 == 0)
 125                                                         snzi.Increment ();
 126                                                 else
 127                                                         snzi.Decrement ();
 128                                         }
 129                                 });
 130
 131                                 Assert.IsFalse (snzi.IsSet, "#1");
 132                         });
 133                 }
 134         }
 135 }
 136 #endif