mcs/tests/gtest-585.cs

   1 using System;
   2
   3 struct S
   4 {
   5         public static implicit operator int (S arg)
   6         {
   7                 throw new ApplicationException ();
   8         }
   9 }
  10
  11 struct S2
  12 {
  13         public static implicit operator int?(S2 arg)
  14         {
  15                 return 10000;
  16         }
  17
  18         public static implicit operator uint?(S2 arg)
  19         {
  20                 throw new ApplicationException ();
  21         }
  22 }
  23
  24 public struct S3
  25 {
  26         public static int counter;
  27
  28         public static implicit operator string (S3 s3)
  29         {
  30                 counter++;
  31                 return "";
  32         }
  33 }
  34
  35 class C
  36 {
  37         public static int Main ()
  38         {
  39                 S? s = null;
  40                 bool res = s > 1;
  41                 if (res)
  42                         return 1;
  43
  44                 S2 s2 = new S2 ();
  45
  46                 var b = s2 >> 3;
  47                 if (b != 1250)
  48                         return 2;
  49
  50                 var b2 = s2 >> s2;
  51                 if (b2 != 0)
  52                         return 3;
  53
  54                 var b3 = s2 + 1;
  55                 if (b3 != 10001)
  56                         return 4;
  57
  58                 var s3 = new S3 ();
  59                 if ((s3 == null) != false)
  60                         return 5;
  61
  62                 if ((s3 != null) != true)
  63                         return 6;
  64
  65                 if (S3.counter != 2)
  66                         return 7;
  67
  68                 Console.WriteLine ("ok");
  69                 return 0;
  70         }
  71 }