mcs/tests/gtest-614.cs

   1 using System;
   2
   3 struct S
   4 {
   5         public static explicit operator int? (S? s)
   6         {
   7                 throw new ApplicationException ();
   8         }
   9
  10         public static implicit operator int (S? s)
  11         {
  12                 return 2;
  13         }
  14 }
  15
  16 class C
  17 {
  18         public static int Main()
  19         {
  20                 int? nn = 3;
  21                 S? s = new S ();
  22                 int? ret = s ?? nn;
  23                 if (ret != 2)
  24                         return 1;
  25
  26                 return 0;
  27         }
  28 }