tests/gtest-448.cs

   1 // Compiler options: -langversion:future
   2
   3 using System;
   4 using System.Runtime.InteropServices;
   5 using System.Reflection;
   6
   7 public class C
   8 {
   9         public static void TestA ([Optional][DefaultParameterValue (1)] int u)
  10         {
  11         }
  12
  13         public static void TestB (long u = 12)
  14         {
  15         }
  16
  17         public static void TestC (decimal d = decimal.MaxValue)
  18         {
  19         }
  20
  21         public static int Main ()
  22         {
  23                 ParameterInfo[] info = typeof (C).GetMethod ("TestA").GetParameters ();
  24
  25                 if (info[0].DefaultValue.GetType () != typeof (int))
  26                         return 1;
  27
  28                 if ((int) info[0].DefaultValue != 1)
  29                         return 2;
  30
  31                 if (!info[0].IsOptional)
  32                         return 3;
  33
  34                 info = typeof (C).GetMethod ("TestB").GetParameters ();
  35
  36                 if (info[0].DefaultValue.GetType () != typeof (int))
  37                         return 11;
  38
  39                 if ((int) info[0].DefaultValue != 12)
  40                         return 12;
  41
  42                 if (!info[0].IsOptional)
  43                         return 13;
  44
  45                 info = typeof (C).GetMethod ("TestC").GetParameters ();
  46
  47                 if (info[0].DefaultValue.GetType () != typeof (decimal))
  48                         return 21;
  49
  50                 if ((decimal) info[0].DefaultValue != decimal.MaxValue)
  51                         return 22;
  52
  53                 if (!info[0].IsOptional)
  54                         return 23;
  55
  56                 Console.WriteLine ("ok");
  57                 return 0;
  58         }
  59 }