mono/tests/iface3.cs

   1 using System;
   2
   3 public interface ICommon {
   4         int DoIt ();
   5 }
   6
   7 public class Base : ICommon {
   8         int ICommon.DoIt () { return 1; }
   9         public virtual int DoIt () { return 2; }
  10 }
  11
  12 public class Derived : Base, ICommon {
  13         int ICommon.DoIt () { return 3; }
  14         public new virtual int DoIt () { return 4; }
  15 }
  16
  17 public class ReallyDerived : Derived {
  18         public override int DoIt () { return 5; }
  19 }
  20
  21 public class Test {
  22
  23         static int Main () {
  24                 ReallyDerived r1 = new ReallyDerived ();
  25                 Derived       r2 = r1;
  26                 Base          r3 = r1;
  27                 ICommon       r4 = r1;
  28                 Object        r5 = r1;
  29
  30                 if (r1.DoIt() != 5)
  31                         return 1;
  32
  33                 //              Console.WriteLine ("TEST {0}", ((ICommon)r1).DoIt ());
  34
  35                 if (((ICommon)r1).DoIt() != 3)
  36                         return 2;
  37
  38                 if (r2.DoIt() != 5)
  39                         return 3;
  40
  41                 if (r3.DoIt() != 2)
  42                         return 4;
  43
  44                 if (r4.DoIt() != 3)
  45                         return 5;
  46
  47                 return 0;
  48         }
  49 }