mcs/tests/gtest-647.cs

   1 using System;
   2
   3 public class Program
   4 {
   5         public static int Main ()
   6         {
   7                 int B = default (MyStruct?);
   8                 if (MyStruct.counter != 1)
   9                         return 1;
  10
  11                 switch (default (MyStruct?)) {
  12                         case 0:
  13                                 break;
  14                         default:
  15                                 return 2;
  16                 }
  17
  18                 if (MyStruct.counter != 2)
  19                         return 4;
  20
  21                 return 0;
  22         }
  23
  24         public struct MyStruct
  25         {
  26                 public static int counter;
  27
  28                 public static implicit operator int (MyStruct? s)
  29                 {
  30                         ++counter;
  31                         return 0;
  32                 }
  33         }
  34 }