tests/gtest-428.cs

   1 using System;
   2
   3 public struct CInt
   4 {
   5         int data;
   6
   7         public CInt (int data)
   8         {
   9                 this.data = data;
  10         }
  11
  12         public static implicit operator CInt (int xx)
  13         {
  14                 return new CInt (xx);
  15         }
  16
  17         public static implicit operator int (CInt xx)
  18         {
  19                 return xx.data;
  20         }
  21 }
  22
  23
  24 public class Klass
  25 {
  26         CInt? t;
  27         public Klass (CInt? t)
  28         {
  29                 this.t = t;
  30         }
  31
  32         public CInt? Value
  33         {
  34                 get
  35                 {
  36                         return t;
  37                 }
  38         }
  39 }
  40
  41 public class MainClass
  42 {
  43         public static int Main ()
  44         {
  45                 var v = new Klass (new CInt (3));
  46
  47                 if (v.Value == 1)
  48                         return 1;
  49
  50                 if (v.Value != 3)
  51                         return 2;
  52
  53                 if (v.Value == null)
  54                         return 3;
  55
  56                 var v2 = new Klass (null);
  57
  58                 if (v2.Value != null)
  59                         return 4;
  60
  61                 Console.WriteLine ("OK");
  62                 return 0;
  63         }
  64 }