mcs/tests/gtest-262.cs

   1 using System;
   2 using System.Reflection;
   3 using System.Runtime.InteropServices;
   4
   5 public class Test {
   6         public enum ParamEnum {
   7                 None = 0,
   8                 Foo = 1,
   9                 Bar = 2
  10         };
  11
  12         public void f1 ([System.Runtime.InteropServices.DefaultParameterValue (null)] object x) {}
  13         public void f2 ([System.Runtime.InteropServices.DefaultParameterValue (null)] string x) {}
  14         public void f3 ([System.Runtime.InteropServices.DefaultParameterValue (null)] Test x) {}
  15         public void f4 ([System.Runtime.InteropServices.DefaultParameterValue (1)] int x) {}
  16         public void f5 ([System.Runtime.InteropServices.DefaultParameterValue ((short) 1)] short x) {}
  17         public void f6 ([DefaultParameterValue (ParamEnum.Foo)] ParamEnum n) {}
  18
  19         public static void Main ()
  20         {
  21                 string problems = "";
  22                 Type t = typeof (Test);
  23                 foreach (MethodInfo m in t.GetMethods (BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly)) {
  24                         ParameterInfo p = m.GetParameters () [0];
  25                         Console.WriteLine (m.Name + " parameter attributes: " + p.Attributes);
  26                         if ((p.Attributes & ParameterAttributes.HasDefault) == 0)
  27                                 problems = problems + " " + m.Name;
  28                         if (problems.Length != 0)
  29                                 throw new Exception ("these functions don't have default values: " + problems);
  30                 }
  31         }
  32 }