mcs/tests/gtest-316.cs

   1 // Bug #79984
   2 using System;
   3
   4 class X
   5 {
   6         public static int Main ()
   7         {
   8                 new Derived ().Method<Foo> ();
   9                 return 0;
  10         }
  11 }
  12
  13 class Foo
  14 {
  15         public int X;
  16 }
  17
  18 abstract class Base
  19 {
  20         public abstract void Method<R> ()
  21                 where R : Foo, new ();
  22 }
  23
  24 class Derived : Base
  25 {
  26         public override void Method<S> ()
  27         {
  28                 Method2<S> ();
  29                 // S s = new S ();
  30                 // Console.WriteLine (s.X);
  31         }
  32
  33         public void Method2<T> ()
  34                 where T : Foo, new ()
  35         {
  36                 T t = new T ();
  37                 Console.WriteLine (t.X);
  38         }
  39 }