mcs/tests/gtest-564.cs

   1 using System;
   2
   3 struct S
   4 {
   5 }
   6
   7 abstract class B1<T1, T2>
   8 {
   9         public abstract void Test<U> (U x) where U : struct, T1, T2;
  10 }
  11
  12 abstract class B2<T1, T2>
  13 {
  14         public abstract void Test<U> (U x) where U : class, T1, T2;
  15 }
  16
  17 class C1 : B1<S, ValueType>
  18 {
  19         public override void Test<U> (U x)
  20         {
  21         }
  22 }
  23
  24 class C2 : B2<string, object>
  25 {
  26         public override void Test<U> (U x)
  27         {
  28         }
  29 }
  30
  31 class Test
  32 {
  33         public static int Main ()
  34         {
  35                 var m = typeof (C1).GetMethod ("Test");
  36                 var ta = m.GetGenericArguments ()[0].GetGenericParameterConstraints ();
  37                 if (ta.Length != 2)
  38                         return 1;
  39
  40                 m = typeof (C2).GetMethod ("Test");
  41                 ta = m.GetGenericArguments ()[0].GetGenericParameterConstraints ();
  42                 if (ta.Length != 1)
  43                         return 2;
  44
  45                 Console.WriteLine ("ok");
  46                 return 0;
  47         }
  48 }