mcs/tests/test-80.cs

   1 //
   2 // This test is used to check that we can actually use implementations
   3 // provided in our parent to interfaces declared afterwards.
   4 //
   5
   6 using System;
   7
   8 public interface A {
   9         int Add (int a, int b);
  10 }
  11
  12 public class X {
  13         public int Add (int a, int b)
  14         {
  15                 return a + b;
  16         }
  17 }
  18
  19 class Y : X, A {
  20
  21         static int Main ()
  22         {
  23                 Y y = new Y ();
  24
  25                 if (y.Add (1, 1) != 2)
  26                         return 1;
  27
  28                 Console.WriteLine ("parent interface implementation test passes");
  29                 return 0;
  30         }
  31
  32 }