mcs/class/Mono.Parallel/Test/Mono.Threading/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 using Mono.Threading;
  31
  32 using NUnit.Framework;
  33 using MonoTests.Mono.Threading.Tasks;
  34
  35 namespace MonoTests.Mono.Threading
  36 {
  37         [TestFixtureAttribute]
  38         public class SnziTests
  39         {
  40                 Snzi snzi;
  41
  42                 [SetUpAttribute]
  43                 public void Setup ()
  44                 {
  45                         snzi = new Snzi ();
  46                 }
  47
  48                 [Test]
  49                 public void InitialTest ()
  50                 {
  51                         Assert.IsTrue (snzi.IsSet, "#1");
  52
  53                 }
  54
  55                 [Test]
  56                 public void SimpleOperationTest ()
  57                 {
  58                         snzi.Increment ();
  59
  60                         snzi.Decrement ();
  61
  62                         Assert.IsTrue (snzi.IsSet, "#1");
  63
  64                 }
  65
  66                 [Test]
  67                 public void SimpleZeroTest ()
  68                 {
  69                         for (int i = 0; i < 10; i++) {
  70                                 if (i % 2 == 0)
  71                                         snzi.Increment ();
  72                                 else
  73                                         snzi.Decrement ();
  74                         }
  75
  76                         Assert.IsTrue (snzi.IsSet, "#1");
  77                 }
  78
  79                 [Test]
  80                 public void SimpleNonZeroTest ()
  81                 {
  82                         snzi.Increment ();
  83
  84                         for (int i = 0; i < 20; i++) {
  85                                 if (i % 2 == 0)
  86                                         snzi.Increment ();
  87                                 else
  88                                         snzi.Decrement ();
  89                                 if (i % 5 == 0)
  90                                         Thread.Sleep (0);
  91                         }
  92
  93                         Assert.IsFalse (snzi.IsSet, "#1");
  94                 }
  95
  96                 [Test]
  97                 public void StressZeroTest ()
  98                 {
  99                         ParallelTestHelper.Repeat (delegate {
 100                                 int times = 0;
 101
 102                                 ParallelTestHelper.ParallelStressTest (snzi, (s) => {
 103                                         int t = Interlocked.Increment (ref times);
 104
 105                                         for (int i = 0; i < 20; i++) {
 106                                                 if (i % 2 == 0)
 107                                                         snzi.Increment ();
 108                                                 else
 109                                                         snzi.Decrement ();
 110                                                 if (i % (3 * t) == 0)
 111                                                         Thread.Sleep (0);
 112                                         }
 113                                 });
 114
 115                                 Assert.IsTrue (snzi.IsSet, "#1");
 116                         });
 117                 }
 118
 119                 [Test]
 120                 public void StressNonZeroTest ()
 121                 {
 122                         ParallelTestHelper.Repeat (delegate {
 123                                 ParallelTestHelper.ParallelStressTest (snzi, (s) => {
 124                                         snzi.Increment ();
 125                                         for (int i = 0; i < 1; i++) {
 126                                                 if (i % 2 == 0)
 127                                                         snzi.Increment ();
 128                                                 else
 129                                                         snzi.Decrement ();
 130                                         }
 131                                 });
 132
 133                                 Assert.IsFalse (snzi.IsSet, "#1");
 134                         });
 135                 }
 136         }
 137 }
 138 #endif