mcs/tests/test-121.cs

   1 //
   2 // This test excercises the fact that array evaluation in UnaryMutator and
   3 // CompoundAssign expressions should never mutate data more than once
   4 //
   5 class X {
   6         static int g_calls;
   7
   8         static int g ()
   9         {
  10                 g_calls++;
  11                 return 0;
  12         }
  13
  14
  15         public static int Main ()
  16         {
  17                 int [] a = new int [10];
  18                 int i = 0;
  19
  20                 a [0] = 1;
  21
  22                 a [i++] += 3;
  23
  24                 if (i != 1)
  25                         return 1;
  26                 if (a [0] != 4)
  27                         return 2;
  28
  29                 a [g ()]++ ;
  30
  31                 if (g_calls != 1)
  32                         return 3;
  33                 return 0;
  34         }
  35 }