mcs/tests/gtest-511.cs

   1 interface IA : IB
   2 {
   3 }
   4
   5 interface IB
   6 {
   7 }
   8
   9 class A<T> where T : IA
  10 {
  11 }
  12
  13 class C
  14 {
  15         public virtual void Foo<T> (A<T> t) where T : IA
  16         {
  17         }
  18 }
  19
  20 class D : C
  21 {
  22         public override void Foo<T> (A<T> t)
  23         {
  24         }
  25
  26         public static int Main ()
  27         {
  28                 new D ();
  29
  30                 var m = typeof (D).GetMethod ("Foo");
  31                 var ga = m.GetGenericArguments() [0];
  32
  33                 var tpConstraints = ga.GetGenericParameterConstraints();
  34                 if (tpConstraints.Length != 1)
  35                         return 1;
  36
  37                 if (tpConstraints [0] != typeof (IA))
  38                         return 2;
  39
  40                 return 0;
  41         }
  42 }