mcs/tests/test-26.cs

   1 using System;
   2
   3 public class Blah {
   4
   5         public delegate int MyDelegate (int i, int j);
   6
   7         public int Foo (int i, int j)
   8         {
   9                 return i+j;
  10         }
  11
  12         public static int Test1 ()
  13         {
  14                 Blah f = new Blah ();
  15
  16                 MyDelegate del = new MyDelegate (f.Foo);
  17
  18                 MyDelegate another = new MyDelegate (del);
  19
  20                 int number = del (2, 3);
  21
  22                 int i = another (4, 6);
  23
  24                 Console.WriteLine ("Delegate invocation of one returned : " + number);
  25
  26                 Console.WriteLine ("Delegate invocation of the other returned : " + i);
  27
  28                 if (number == 5 && i == 10)
  29                         return 0;
  30                 else
  31                         return 1;
  32         }
  33
  34         public delegate int List (params int [] args);
  35
  36         public static int Adder (params int [] args)
  37         {
  38                 int total = 0;
  39
  40                 foreach (int i in args)
  41                         total += i;
  42
  43                 return total;
  44         }
  45
  46         public static int Test2 ()
  47         {
  48                 List my_adder = new List (Adder);
  49
  50                 if (my_adder (1, 2, 3) != 6)
  51                         return 2;
  52
  53                 return 0;
  54         }
  55
  56         public static int Main ()
  57         {
  58                 int v;
  59
  60                 v = Test1 ();
  61                 if (v != 0)
  62                         return v;
  63
  64                 v = Test2 ();
  65                 if (v != 0)
  66                         return v;
  67
  68                 Console.WriteLine ("All tests pass");
  69                 return 0;
  70         }
  71
  72 }