mcs/errors/cs-20.cs

   1 // cs-20.cs : Cannot find attribute type My (maybe you forgot to set the usage using the AttributeUsage attribute ?).
   2 // Line : 18
   3
   4 using System;
   5 using System.Reflection;
   6
   7 namespace Test {
   8
   9         //[AttributeUsage (AttributeTargets.All)]
  10         public class MyAttribute: Attribute {
  11                 public string val;
  12                 public MyAttribute (string stuff) {
  13                         System.Console.WriteLine (stuff);
  14                         val = stuff;
  15                 }
  16         }
  17
  18         [My("testclass")]
  19
  20         public class Test {
  21                 static public int Main() {
  22                         System.Reflection.MemberInfo info = typeof (Test);
  23                         object[] attributes = info.GetCustomAttributes (false);
  24                         for (int i = 0; i < attributes.Length; i ++) {
  25                                 System.Console.WriteLine(attributes[i]);
  26                         }
  27                         if (attributes.Length != 2)
  28                                 return 1;
  29                         MyAttribute attr = (MyAttribute) attributes [0];
  30                         if (attr.val != "testclass")
  31                                 return 2;
  32                         return 0;
  33                 }
  34         }
  35 }