mcs/tests/test-102.cs

   1 using System;
   2 using System.Reflection;
   3
   4 [assembly: AssemblyTitle ("Foo")]
   5 [assembly: AssemblyVersion ("1.0.2")]
   6
   7 namespace N1 {
   8
   9         [AttributeUsage (AttributeTargets.All)]
  10         public class MineAttribute : Attribute {
  11
  12                 public string name;
  13
  14                 public MineAttribute (string s)
  15                 {
  16                         name = s;
  17                 }
  18         }
  19
  20         [AttributeUsage (AttributeTargets.ReturnValue)]
  21         public class ReturnAttribute : Attribute {
  22
  23                 public string name;
  24
  25                 public ReturnAttribute (string s)
  26                 {
  27                         name = s;
  28                 }
  29         }
  30
  31         public interface TestInterface {
  32                 void Hello ([Mine ("param")] int i);
  33         }
  34
  35         public class Foo {
  36
  37                 int i;
  38
  39                 [Mine ("Foo")]
  40                 [return: Return ("Bar")]
  41                 public static int Main ()
  42                 {
  43                         Type t = typeof (Foo);
  44                         foreach (MemberInfo m in t.GetMembers ()){
  45                                 if (m.Name == "Main"){
  46                                         MethodInfo mb = (MethodInfo) m;
  47
  48                                         ICustomAttributeProvider p = mb.ReturnTypeCustomAttributes;
  49                                         object [] ret_attrs = p.GetCustomAttributes (false);
  50
  51                                         if (ret_attrs.Length != 1){
  52                                                 Console.WriteLine ("Got more than one return attribute");
  53                                                 return 1;
  54                                         }
  55                                         if (!(ret_attrs [0] is ReturnAttribute)){
  56                                                 Console.WriteLine ("Dit not get a MineAttribute");
  57                                                 return 2;
  58                                         }
  59
  60                                         ReturnAttribute ma = (ReturnAttribute) ret_attrs [0];
  61                                         if (ma.name != "Bar"){
  62                                                 Console.WriteLine ("The return attribute is not Bar");
  63                                                 return 2;
  64                                         }
  65                                 }
  66                         }
  67
  68                         Type ifType = typeof (TestInterface);
  69
  70                         MethodInfo method = ifType.GetMethod ("Hello",
  71                                                               BindingFlags.Public | BindingFlags.Instance);
  72
  73                         ParameterInfo[] parameters = method.GetParameters();
  74                         ParameterInfo param = parameters [0];
  75
  76                         object[] testAttrs = param.GetCustomAttributes (true);
  77
  78                         if (testAttrs.Length != 1)
  79                                 return 1;
  80
  81                         return 0;
  82                 }
  83         }
  84 }