mono/tests/synchronized.cs

   1 //
   2 //  synchronized.cs:
   3 //
   4 //    Tests for the 'synchronized' method attribute
   5 //
   6
   7 using System;
   8 using System.Threading;
   9 using System.Runtime.CompilerServices;
  10
  11 class Tests {
  12
  13         // We use Monitor.Pulse to test that the object is synchronized
  14
  15         [MethodImplAttribute(MethodImplOptions.Synchronized)]
  16         public int test () {
  17                 Monitor.Pulse (this);
  18                 //Monitor.Enter (this);
  19                 return 2 + 2;
  20         }
  21
  22         [MethodImplAttribute(MethodImplOptions.Synchronized)]
  23         public static int test_static () {
  24                 Monitor.Pulse (typeof (Tests));
  25                 return 2 + 2;
  26         }
  27
  28         [MethodImplAttribute(MethodImplOptions.Synchronized)]
  29         public int test_exception () {
  30                 Monitor.Exit (this);
  31                 throw new Exception ("A");
  32         }
  33
  34         [MethodImplAttribute(MethodImplOptions.Synchronized)]
  35         public virtual int test_virtual () {
  36                 Monitor.Pulse (this);
  37                 return 2 + 2;
  38         }
  39
  40         public static bool is_synchronized (object o) {
  41                 try {
  42                         Monitor.Pulse (o);
  43                 }
  44                 catch (SynchronizationLockException ex) {
  45                         return false;
  46                 }
  47                 return true;
  48         }
  49
  50         public delegate int Delegate1 ();
  51
  52         static public int Main (String[] args) {
  53                 Tests b = new Tests ();
  54                 int res, err;
  55
  56                 Console.WriteLine ("Test1...");
  57                 b.test ();
  58                 if (is_synchronized (b))
  59                         return 1;
  60
  61                 Console.WriteLine ("Test2...");
  62                 test_static ();
  63                 if (is_synchronized (typeof (Tests)))
  64                         return 1;
  65
  66                 Console.WriteLine ("Test3...");
  67                 try {
  68                         b.test_exception ();
  69                 }
  70                 catch (SynchronizationLockException ex) {
  71                         return 1;
  72                 }
  73                 catch (Exception ex) {
  74                         // OK
  75                 }
  76                 if (is_synchronized (b))
  77                         return 1;
  78
  79                 Console.WriteLine ("Test4...");
  80                 b.test_virtual ();
  81                 if (is_synchronized (b))
  82                         return 1;
  83
  84                 Console.WriteLine ("Test5...");
  85                 Delegate1 d = new Delegate1 (b.test);
  86                 res = d ();
  87                 if (is_synchronized (b))
  88                         return 1;
  89
  90                 Console.WriteLine ("Test6...");
  91                 d = new Delegate1 (test_static);
  92                 res = d ();
  93                 if (is_synchronized (typeof (Tests)))
  94                         return 1;
  95
  96                 Console.WriteLine ("Test7...");
  97                 d = new Delegate1 (b.test_virtual);
  98                 res = d ();
  99                 if (is_synchronized (b))
 100                         return 1;
 101
 102                 Console.WriteLine ("Test8...");
 103                 d = new Delegate1 (b.test_exception);
 104                 try {
 105                         d ();
 106                 }
 107                 catch (SynchronizationLockException ex) {
 108                         return 2;
 109                 }
 110                 catch (Exception ex) {
 111                         // OK
 112                 }
 113                 if (is_synchronized (b))
 114                         return 1;
 115
 116                 return 0;
 117         }
 118 }