mono/tests/iface4.cs

   1 using System;
   2
   3 public interface IVehicle {
   4         int Start ();
   5         int Stop ();
   6         int Turn ();
   7 }
   8
   9 public interface IWalker {
  10         int Walk ();
  11 }
  12
  13 public class Base : IVehicle {
  14         int IVehicle.Start () { return 1; }
  15         public int Stop () { return 2; }
  16         public virtual int Turn () { return 3; }
  17         public int Walk () { return 1; }
  18 }
  19
  20 public class Derived1 : Base {
  21         // replaces Base.Turn + IVehice.Turn
  22         public override int Turn () { return 4; }
  23 }
  24
  25 public class Derived2 : Base, IVehicle {
  26         // legal - we redeclared IVehicle support
  27         public new int Stop () { return 6; }
  28         // legal - we redeclared IVehicle support
  29         int IVehicle.Start () { return 5; }
  30         // replaces IVehicle.Turn
  31         int IVehicle.Turn () { return 7; }
  32         // replaces Base.Turn
  33         public override int Turn () { return 8; }
  34 }
  35
  36 public class Derived3 : Derived1, IWalker {
  37 }
  38
  39 public class Test {
  40
  41         static int Main () {
  42                 Derived1 d1 = new Derived1 ();
  43                 Derived2 d2 = new Derived2 ();
  44                 Derived3 d3 = new Derived3 ();
  45                 Base b1 = d1;
  46                 Base b2 = d2;
  47                 Base rb = new Base ();
  48
  49                 if (d1.Turn () != 4)
  50                         return 1;
  51
  52                 if (((IVehicle)d1).Turn () != 4)
  53                         return 2;
  54
  55                 if (((IVehicle)d2).Turn () != 7)
  56                         return 3;
  57
  58                 if (b2.Turn () != 8)
  59                         return 4;
  60
  61                 if (((IVehicle)b2).Turn () != 7)
  62                         return 5;
  63
  64                 if (((IVehicle)rb).Stop () != 2)
  65                         return 6;
  66
  67                 if (((IVehicle)d1).Stop () != 2)
  68                         return 7;
  69
  70                 if (((IVehicle)d2).Stop () != 6)
  71                         return 8;
  72
  73                 if (d3.Walk () != 1)
  74                         return 9;
  75
  76                 //Console.WriteLine ("TEST {0}", ((IVehicle)b2).Turn ());
  77                 return 0;
  78         }
  79 }