mono/tests/generic-interface-methods.2.cs

   1 using System.Collections.Generic;
   2
   3 public class ClassA {};
   4
   5 public interface IGen<T> {
   6         Dictionary<T,S> makeDict<S> ();
   7 }
   8
   9 public class Gen<T> : IGen<T> {
  10         public Dictionary<T,S> makeDict<S> () {
  11                 return new Dictionary <T,S> ();
  12         }
  13 }
  14
  15 public class Gen2<T,S> {
  16         public Dictionary<T,S> makeDict (IGen<T> igt) {
  17                 return igt.makeDict<S> ();
  18         }
  19 }
  20
  21 public class main {
  22         public static int Main () {
  23                 Gen<string> gs = new Gen<string> ();
  24                 Gen2<string,object> g2so = new Gen2<string,object> ();
  25                 Gen2<string,string> g2ss = new Gen2<string,string> ();
  26                 Gen2<string,ClassA> g2sa = new Gen2<string,ClassA> ();
  27                 Gen2<string,int> g2si = new Gen2<string,int> ();
  28
  29                 if (g2so.makeDict (gs).GetType () != typeof (Dictionary<string,object>))
  30                         return 1;
  31                 if (g2ss.makeDict (gs).GetType () != typeof (Dictionary<string,string>))
  32                         return 1;
  33                 if (g2sa.makeDict (gs).GetType () != typeof (Dictionary<string,ClassA>))
  34                         return 1;
  35                 if (g2si.makeDict (gs).GetType () != typeof (Dictionary<string,int>))
  36                         return 1;
  37
  38                 return 0;
  39         }
  40 }