mcs/tests/test-775.cs

   1 using System;
   2
   3 interface A
   4 {
   5         event EventHandler Member;
   6 }
   7
   8 interface B : A
   9 {
  10         new event EventHandler Member;
  11 }
  12
  13 interface BA : B, A { }
  14
  15 public class C : BA
  16 {
  17         public EventHandler _AMember;
  18         public EventHandler _Member;
  19
  20         event EventHandler A.Member
  21         {
  22                 add { _AMember += value; Console.WriteLine ("Setting A Event"); }
  23                 remove { _AMember -= value; }
  24         }
  25
  26         public event EventHandler Member
  27         {
  28                 add { _Member += value; Console.WriteLine ("Setting Direct Event"); }
  29                 remove { _Member -= value; }
  30         }
  31 }
  32
  33 public class Test
  34 {
  35         public static int Main ()
  36         {
  37                 return new Test ().TestMe ();
  38         }
  39
  40         public int TestMe ()
  41         {
  42                 C c = new C ();
  43                 Console.WriteLine ("Trying to set EventHandler Directly - should set DirectEvent ");
  44                 c.Member += new EventHandler (f);
  45                 if (c._Member == null)
  46                         return 0;
  47
  48                 c._Member = null;
  49                 Console.WriteLine ("Trying to set EventHandler through A interface - Should set A Event");
  50                 ((A) c).Member += new EventHandler (f);
  51                 if (c._AMember == null)
  52                         return 1;
  53
  54                 c._AMember = null;
  55                 Console.WriteLine ("Trying to set EventHandler through BA interface - Should set Direct Event");
  56                 ((BA) c).Member += new EventHandler (f);
  57                 if (c._Member == null)
  58                         return 2;
  59
  60                 Console.WriteLine ("ok");
  61                 return 0;
  62         }
  63
  64         void f (object sender, EventArgs e) { }
  65 }
  66