mcs/class/corlib/Test/System.Threading/MutexTest.cs

   1 // MutexTest.cs - NUnit Test Cases for System.Threading.Mutex\r
   2 //\r
   3 // Eduardo Garcia Cebollero <kiwnix@yahoo.es>
   4 //\r
   5 // (C) Eduardo Garcia Cebollero\r
   6 // \r
   7 \r
   8 using NUnit.Framework;\r
   9 using System;\r
  10 using System.Threading;\r
  11 \r
  12 namespace MonoTests.System.Threading\r
  13 {\r
  14 \r
  15         public class MutexTest : TestCase \r
  16         {\r
  17         \r
  18                 //Auxiliary Classes (Future Threads)\r
  19                 private class ConcClass\r
  20                 {\r
  21                         public int id;\r
  22                         public Mutex mut;\r
  23                         public ConcClass(int id,Mutex mut)\r
  24                         {\r
  25                                 this.id = id;\r
  26                                 this.mut = mut;\r
  27                         }\r
  28                         public void wait()\r
  29                         {\r
  30                                 mut.WaitOne();\r
  31                         }\r
  32                         public void signal()\r
  33                         {\r
  34                                 mut.ReleaseMutex();\r
  35                         }\r
  36                 }\r
  37                 private class ConcClassLoop: ConcClass\r
  38                 {\r
  39                         public int marker;\r
  40 \r
  41                         public ConcClassLoop(int id,Mutex mut) : \r
  42                                 base(id,mut) \r
  43                                 {\r
  44                                         this.marker = 0;\r
  45                                 }\r
  46                         \r
  47                         public void WithoutWait()\r
  48                         {\r
  49                                 this.marker = this.id;\r
  50                                 this.signal();\r
  51                         }\r
  52 \r
  53 \r
  54                         public void Loop()\r
  55                         {\r
  56                                 while (this.marker<100)\r
  57                                 {\r
  58                                         this.wait();\r
  59                                         this.marker++;\r
  60                                         this.signal();\r
  61                                 }\r
  62                         }\r
  63 \r
  64                         public void WaitAndForget()\r
  65                         {\r
  66                                 this.wait();\r
  67                                 this.marker = id;\r
  68                         }\r
  69                         public void WaitAndWait()\r
  70                         {\r
  71                                 mut.WaitOne();\r
  72                                 this.marker = this.id;\r
  73                                 mut.WaitOne();\r
  74                                 this.marker = this.id+1;\r
  75                         }\r
  76                 }\r
  77 \r
  78 \r
  79                 protected override void SetUp() {}\r
  80 \r
  81                 protected override void TearDown() {}\r
  82 \r
  83                 public void TestCtor1()\r
  84                 {\r
  85                         try\r
  86                         {\r
  87                                 Mutex Sem = new Mutex();\r
  88                         }\r
  89                         catch (Exception e)\r
  90                         {\r
  91                                 Fail("#01 Error Creating The Simple Mutex:" + e.ToString());\r
  92                         }\r
  93                 }\r
  94                 \r
  95                 public void TestCtorDefaultValue()\r
  96                 {\r
  97                         Mutex Sem = new Mutex();\r
  98                         ConcClassLoop class1 = new ConcClassLoop(1,Sem);\r
  99                         Thread thread1 = new Thread(new ThreadStart(class1.WithoutWait));\r
 100                         thread1.Start();\r
 101                         while(thread1.IsAlive);\r
 102                         AssertEquals("#02 The default value of The mutex wrong set:",class1.id,class1.marker);\r
 103                 }\r
 104 \r
 105                 public void TestCtorCtor2()\r
 106                 {\r
 107                         Mutex Sem = new Mutex(false);\r
 108                         ConcClassLoop class1 = new ConcClassLoop(1,Sem);\r
 109                         Thread thread1 = new Thread(new ThreadStart(class1.WithoutWait));\r
 110                         thread1.Start();\r
 111                         while(thread1.IsAlive);\r
 112                         AssertEquals("#03 The value of The mutex wrong set:",class1.id,class1.marker);\r
 113                 }\r
 114                 \r
 115                 public void TestCtorCtor3()\r
 116                 {\r
 117                         Mutex Sem = new Mutex(true);\r
 118                         ConcClassLoop class1 = new ConcClassLoop(1,Sem);\r
 119                         Thread thread1 = new Thread(new ThreadStart(class1.WithoutWait));\r
 120                         thread1.Start();\r
 121                         while(thread1.IsAlive);\r
 122                         AssertEquals("#04 The default value of The mutex wrong set:",class1.id,class1.marker);\r
 123                 }\r
 124 \r
 125                 public void TestWaitAndSignal1()\r
 126                 {\r
 127                         Mutex Sem = new Mutex(false);\r
 128                         ConcClassLoop class1 = new ConcClassLoop(1,Sem);\r
 129                         Thread thread1 = new Thread(new ThreadStart(class1.Loop));\r
 130                         thread1.Start();\r
 131                         while(thread1.IsAlive);\r
 132                         AssertEquals("#41 Mutex Worked InCorrecly:",100,class1.marker);\r
 133                 }\r
 134                 public void TestWaitAndFoget1()\r
 135                 {\r
 136                         Mutex Sem = new Mutex(false);\r
 137                         ConcClassLoop class1 = new ConcClassLoop(1,Sem);\r
 138                         ConcClassLoop class2 = new ConcClassLoop(2,Sem);\r
 139                         Thread thread1 = new Thread(new ThreadStart(class1.WaitAndForget));\r
 140                         Thread thread2 = new Thread(new ThreadStart(class2.WaitAndForget));\r
 141                         thread1.Start();\r
 142                         while(thread1.IsAlive);\r
 143                         thread2.Start();\r
 144                         while(thread2.IsAlive);\r
 145                         AssertEquals("#51 The Mutex Has been Kept after end of the thread:",\r
 146                                 class2.id,class2.marker);\r
 147                 }\r
 148 \r
 149                 public void TestHandle()\r
 150                 {\r
 151                         Mutex Sem = new Mutex();\r
 152                         try\r
 153                         {\r
 154                                 IntPtr Handle = Sem.Handle;\r
 155                         }\r
 156                         catch (Exception e)\r
 157                         {\r
 158                                 Fail("#61 Unexpected Exception accessing Sem.Handle:" + e.ToString());\r
 159                         }\r
 160                 }\r
 161 \r
 162         }\r
 163 }