mcs/tests/gtest-optional-17.cs

   1 using System;
   2 using System.Reflection;
   3 using System.Runtime.InteropServices;
   4
   5 struct BI
   6 {
   7         public static implicit operator BI (int i)
   8         {
   9                 return new BI ();
  10         }
  11 }
  12
  13 class C
  14 {
  15         public static void M ([DefaultParameterValue (1 + 3)]BI step)
  16         {
  17         }
  18
  19         public static void M2 ([DefaultParameterValue (1)] object o)
  20         {
  21         }
  22
  23         public static int Main ()
  24         {
  25                 var m = typeof (C).GetMethod ("M");
  26                 var p = m.GetParameters ()[0];
  27
  28                 Console.WriteLine (p.Attributes);
  29                 if (p.Attributes != ParameterAttributes.HasDefault)
  30                         return 2;
  31
  32                 if ((int) p.DefaultValue != 4)
  33                         return 1;
  34
  35                 Console.WriteLine (p.DefaultValue);
  36                 return 0;
  37         }
  38 }