mono/tests/interlocked-2.2.cs

   1 using System;
   2 using System.Threading;
   3
   4 public class InterlockTest
   5 {
   6         public int test;
   7         public long ltest;
   8
   9         public static int Main() {
  10                 int a,b;
  11                 long la, lb;
  12
  13                 InterlockTest it = new InterlockTest ();
  14
  15                 /* int */
  16                 it.test = 2;
  17                 int c = Interlocked.Add (ref it.test, 1);
  18                 if (c != 3)
  19                         return 1;
  20
  21                 if (it.test != 3)
  22                         return 2;
  23
  24                 a = 1;
  25                 b = Interlocked.Add (ref a, 1);
  26                 if (a != 2)
  27                         return 3;
  28                 if (b != 2)
  29                         return 4;
  30
  31                 /* long */
  32                 it.ltest = 2;
  33                 long lc = Interlocked.Add (ref it.ltest, 1);
  34                 if (lc != 3)
  35                         return 5;
  36
  37                 if (it.ltest != 3)
  38                         return 6;
  39
  40                 la = 1;
  41                 lb = Interlocked.Add (ref la, 1);
  42                 if (la != 2)
  43                         return 7;
  44                 if (lb != 2)
  45                         return 8;
  46
  47                 if (Interlocked.Read (ref la) != 2)
  48                         return 9;
  49
  50                 la = 1;
  51                 lc = Interlocked.Exchange (ref la, 2);
  52                 if (lc != 1)
  53                         return 10;
  54
  55                 if (la != 2)
  56                         return 11;
  57
  58                 /* Generics */
  59                 InterlockTest o1 = new InterlockTest ();
  60                 InterlockTest o2 = new InterlockTest ();
  61                 InterlockTest o = o1;
  62
  63                 InterlockTest o3 = Interlocked.CompareExchange (ref o, o2, o2);
  64                 if (o3 != o1)
  65                         return 12;
  66                 if (o != o1)
  67                         return 13;
  68
  69                 InterlockTest o4 = Interlocked.CompareExchange (ref o, o2, o1);
  70                 if (o4 != o1)
  71                         return 14;
  72                 if (o != o2)
  73                         return 15;
  74
  75                 /* long increment/decrement */
  76                 la = 0x12345678;
  77                 lb = Interlocked.Increment (ref la);
  78                 if (la != 0x12345679)
  79                         return 16;
  80                 if (lb != 0x12345679)
  81                         return 16;
  82                 lb = Interlocked.Decrement (ref la);
  83                 if (la != 0x12345678)
  84                         return 17;
  85                 if (lb != 0x12345678)
  86                         return 18;
  87
  88                 la = 1;
  89                 lb = Interlocked.CompareExchange (ref la, 2, 1);
  90                 if (la != 2)
  91                         return 19;
  92                 if (lb != 1)
  93                         return 20;
  94
  95                 Console.WriteLine ("done!");
  96
  97                 return 0;
  98         }
  99 }