mcs/tests/test-ref-04.cs

   1 class X
   2 {
   3         int field;
   4
   5         public static int Main ()
   6         {
   7                 var x = new X ();
   8
   9                 x.field = 5;
  10                 if (!x.Test1 ())
  11                         return 1;
  12
  13                 x.Test2 ();
  14
  15                 if (x.Test3 ()++ != 6)
  16                         return 2;
  17
  18                 if (x.field != 7)
  19                         return 3;
  20
  21                 return 0;
  22         }
  23
  24         bool Test1 ()
  25         {
  26                 ref var x = ref field;
  27                 int v = x;
  28                 ++x;
  29
  30                 return x == 6;
  31         }
  32
  33         void Test2 ()
  34         {
  35                 ref int x = ref field;
  36                 x.ToString ();
  37         }
  38
  39         ref int Test3 ()
  40         {
  41                 ref int l = ref field;
  42                 ref int v = ref l;
  43                 return ref l;
  44         }
  45 }