mono/tests/iface7.cs

   1 using System;
   2
   3 namespace TestMono
   4 {
   5         public interface IBase {
   6                 int Do();
   7         }
   8
   9         public interface IDerived : IBase {
  10         }
  11
  12         public class Base : IBase {
  13                 int IBase.Do() {
  14                         return 1 + Do();
  15                 }
  16                 public virtual int Do() {
  17                         return 1;
  18                 }
  19         }
  20
  21         public class Derived : Base, IDerived {
  22         }
  23
  24         class Class1
  25         {
  26                 static int Main(string[] args)
  27                 {
  28                         IDerived id = new Derived();
  29                         if (id.Do() != 2)
  30                                 return 1;
  31                         IBase ib = (IBase) id;
  32                         if (ib.Do() != 2)
  33                                 return 2;
  34                         Derived d = (Derived) id;
  35                         if (d.Do() != 1)
  36                                 return 3;
  37                         Base b = (Base) id;
  38                         if (b.Do() != 1)
  39                                 return 4;
  40                         return 0;
  41                 }
  42         }
  43 }