mcs/tests/gtest-143.cs

   1 using System;
   2
   3 class X
   4 {
   5         static int counter;
   6         static int Index ()
   7         {
   8                 if (counter++ != 0)
   9                         throw new ApplicationException ();
  10
  11                 return 1;
  12         }
  13
  14         int? indexer;
  15         int? this [int index] {
  16                 get {
  17                         return indexer;
  18                 }
  19                 set {
  20                         indexer = value;
  21                 }
  22         }
  23
  24         static int Test ()
  25         {
  26                 int? a = 5;
  27                 int? b = a++;
  28
  29                 if (a != 6)
  30                         return 1;
  31                 if (b != 5)
  32                         return 2;
  33
  34                 int? c = ++a;
  35
  36                 if (c != 7)
  37                         return 3;
  38
  39                 b++;
  40                 ++b;
  41
  42                 if (b != 7)
  43                         return 4;
  44
  45                 int? d = b++ + ++a;
  46
  47                 if (a != 8)
  48                         return 5;
  49                 if (b != 8)
  50                         return 6;
  51                 if (d != 15)
  52                         return 7;
  53
  54                 var s = new short?[] { 3, 2, 1 };
  55                 counter = 0;
  56                 var r = s [Index ()]++;
  57                 if (counter != 1)
  58                         return 8;
  59
  60                 if (r != 2)
  61                         return 9;
  62
  63                 if (s[1] != 3)
  64                         return 10;
  65
  66                 counter = 0;
  67                 s [Index ()]++;
  68                 if (counter != 1)
  69                         return 11;
  70
  71                 if (s[1] != 4)
  72                         return 12;
  73
  74                 X x = new X ();
  75                 x.indexer = 6;
  76                 counter = 0;
  77                 var r2 = x[Index ()]--;
  78                 if (counter != 1)
  79                         return 13;
  80
  81                 if (r2 != 6)
  82                         return 14;
  83
  84                 if (x.indexer != 5)
  85                         return 15;
  86
  87                 return 0;
  88         }
  89
  90         public static int Main ()
  91         {
  92                 int result = Test ();
  93                 if (result != 0)
  94                         Console.WriteLine ("ERROR: {0}", result);
  95                 return result;
  96         }
  97 }