mcs/tests/gtest-039.cs

   1 //
   2 // Important test for the runtime: check whether we're correctly
   3 // creating the vtable for nested types.
   4 //
   5
   6 using System;
   7
   8 interface IMonkey<T>
   9 {
  10         T Jump ();
  11 }
  12
  13 class Zoo<T>
  14 {
  15         T t;
  16
  17         public Zoo (T t)
  18         {
  19                 this.t = t;
  20         }
  21
  22         public T Name {
  23                 get { return t; }
  24         }
  25
  26         public IMonkey<U> GetTheMonkey<U> (U u)
  27         {
  28                 return new Monkey<T,U> (this, u);
  29         }
  30
  31         public class Monkey<V,W> : IMonkey<W>
  32         {
  33                 public readonly Zoo<V> Zoo;
  34                 public readonly W Data;
  35
  36                 public Monkey (Zoo<V> zoo, W data)
  37                 {
  38                         this.Zoo = zoo;
  39                         this.Data = data;
  40                 }
  41
  42                 public W Jump ()
  43                 {
  44                         Console.WriteLine ("Monkey {0} from {1} jumping!", Data, Zoo.Name);
  45                         return Data;
  46                 }
  47         }
  48 }
  49
  50 class X
  51 {
  52         static void Main ()
  53         {
  54                 Zoo<string> zoo = new Zoo<string> ("Boston");
  55                 IMonkey<float> monkey = zoo.GetTheMonkey<float> (3.14F);
  56                 monkey.Jump ();
  57         }
  58 }