mcs/tests/test-anon-82.cs

   1 //
   2 // Tests different anonymous method caching scenarios
   3 //
   4
   5 public delegate void StringSender (string str);
   6 public delegate void VoidDelegate ();
   7
   8 public class MainClass
   9 {
  10         public static void Main()
  11         {
  12                 MainClass mc = new MainClass ();
  13                 VoidDelegate del = new VoidDelegate (
  14                         delegate {
  15                                 StringSender ss = delegate (string s) {
  16                                         SimpleCallback(mc, s);
  17                                 };
  18                                 ss("Yo!");
  19                         }
  20                 );
  21                 del();
  22
  23                 mc.Test2 (10);
  24                 mc.Test3 (20);
  25                 mc.Test4 ();
  26                 mc.Test5 (50);
  27         }
  28
  29         void Test2 (int a)
  30         {
  31                 StringSender d = delegate (string s) {
  32                         VoidDelegate d2 = delegate {
  33                                 s = "10";
  34                         };
  35                 };
  36         }
  37
  38         void Test3 (int a)
  39         {
  40                 int u = 8;
  41                 VoidDelegate d = delegate () { u = 9; };
  42                 VoidDelegate d2 = delegate () { };
  43         }
  44
  45         void Test4 ()
  46         {
  47                 VoidDelegate d = delegate () {
  48                         VoidDelegate d2 = delegate () {
  49                                 int a = 9;
  50                                 VoidDelegate d3 = delegate () {
  51                                         VoidDelegate d4 = delegate () {
  52                                                 a = 3;
  53                                         };
  54                                 };
  55                         };
  56                 };
  57         }
  58
  59         int a;
  60         int b;
  61
  62         delegate int D (int a);
  63
  64         void Test5 (int arg)
  65         {
  66                 D d2 = delegate (int i) {
  67                         D d1 = delegate (int a) {
  68                                 return a;
  69                         };
  70
  71                         return d1 (9) + arg;
  72                 };
  73         }
  74
  75         static void SimpleCallback (MainClass mc, string str)
  76         {
  77                 System.Console.WriteLine(str);
  78         }
  79 }