tests/test-197.cs

   1 using System;
   2
   3 public interface A
   4 {
   5         void Foo ();
   6 }
   7
   8 public interface B : A
   9 { }
  10
  11 public abstract class X : A
  12 {
  13         public abstract void Foo ();
  14 }
  15
  16 public abstract class Y : X, B
  17 { }
  18
  19 public class Z : Y
  20 {
  21         public override void Foo ()
  22         {
  23                 Console.WriteLine ("Hello World!");
  24         }
  25 }
  26
  27 class Test
  28 {
  29         public static int Main ()
  30         {
  31                 Z z = new Z ();
  32                 A a = z;
  33                 a.Foo ();
  34                 return 0;
  35         }
  36 }