mcs/tests/dtest-017.cs

   1 using System;
   2
   3 class B<U>
   4 {
   5 }
   6
   7 class C<T> : B<T>
   8 {
   9 }
  10
  11 interface I<T> : IA<T>
  12 {
  13 }
  14
  15 interface IA<U>
  16 {
  17 }
  18
  19 struct S<T>
  20 {
  21 }
  22
  23 delegate dynamic D (dynamic d);
  24
  25 class DynamicAssignments
  26 {
  27         static void Foo (IA<object> o)
  28         {
  29         }
  30
  31         static int Main ()
  32         {
  33                 dynamic d1 = null;
  34                 dynamic d2 = null;
  35                 d1 = d2;
  36                 d2 = d1;
  37
  38                 B<object> g1 = null;
  39                 B<dynamic> g2 = null;
  40                 g1 = g2;
  41                 g2 = g1;
  42
  43                 B<B<object>> g_n1 = null;
  44                 B<B<dynamic>> g_n2 = null;
  45                 g_n1 = g_n2;
  46                 g_n2 = g_n1;
  47
  48                 object[] o = null;
  49                 dynamic[] d = o;
  50
  51                 C<object> a = null;
  52                 B<dynamic> b = a;
  53                 a = (C<object>)b;
  54                 a = (C<dynamic>)b;
  55
  56                 I<object> io = null;
  57                 IA<dynamic> id = io;
  58
  59                 IA<object> ia_o = null;
  60                 IA<dynamic> ia_d = ia_o;
  61
  62                 S<dynamic> s_d = new S<dynamic> ();
  63                 S<object> s_o = s_d;
  64                 S<object>? s_o_n = s_d;
  65
  66                 D del = delegate (object del_arg) {
  67                          return (object) null;
  68                 };
  69
  70                 Action<IA<dynamic>> del2 = Foo;
  71
  72                 Action<object> del31 = null;
  73                 Action<dynamic> del32 = del31;
  74
  75                 I<dynamic>[] a20 = null;
  76                 I<object>[] b20 = a20;
  77
  78                 return 0;
  79         }
  80 }