mcs/tests/gtest-optional-01.cs

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