tests/test-397.cs

   1 //
   2 // Access modifiers
   3 // We use reflection to test that the flags are the correct ones
   4 //
   5
   6 using System;
   7 using System.Reflection;
   8
   9  [AttributeUsage (AttributeTargets.Class)]
  10  public class TypeCheckAttribute : Attribute {
  11
  12          public TypeCheckAttribute ()
  13          {
  14          }
  15  }
  16
  17  [AttributeUsage (AttributeTargets.Property)]
  18  public class PropertyCheckAttribute : Attribute {
  19
  20          public PropertyCheckAttribute ()
  21          {
  22          }
  23  }
  24
  25  [AttributeUsage (AttributeTargets.Method)]
  26  public class AccessorCheckAttribute : Attribute {
  27          MethodAttributes flags;
  28
  29          public AccessorCheckAttribute (MethodAttributes flags)
  30          {
  31                  this.flags = flags;
  32          }
  33
  34          public MethodAttributes Attributes {
  35                  get {
  36                          return flags;
  37                  }
  38          }
  39  }
  40
  41  public class Test {
  42
  43          public static int Main (string [] args)
  44          {
  45                  Type t = typeof (A);
  46
  47                  foreach (PropertyInfo pi in t.GetProperties ()) {
  48                          object [] attrs = pi.GetCustomAttributes (typeof (PropertyCheckAttribute), true);
  49                          if (attrs == null)
  50                                  return 0;
  51
  52                          MethodInfo get_accessor, set_accessor;
  53                          get_accessor = pi.GetGetMethod (true);
  54                          set_accessor = pi.GetSetMethod (true);
  55
  56                          if (get_accessor != null)
  57                                  CheckFlags (pi, get_accessor);
  58                          if (set_accessor != null)
  59                                  CheckFlags (pi, set_accessor);
  60                  }
  61
  62                  return 0;
  63          }
  64
  65          static void CheckFlags (PropertyInfo pi, MethodInfo accessor)
  66          {
  67                  object [] attrs = accessor.GetCustomAttributes (typeof (AccessorCheckAttribute), true);
  68                  if (attrs == null)
  69                          return;
  70
  71                  AccessorCheckAttribute accessor_attr = (AccessorCheckAttribute) attrs [0];
  72                  MethodAttributes accessor_flags = accessor.Attributes;
  73
  74                  if ((accessor_flags & accessor_attr.Attributes) == accessor_attr.Attributes)
  75                          Console.WriteLine ("Test for {0}.{1} PASSED", pi.Name, accessor.Name);
  76                  else {
  77                          string message = String.Format ("Test for {0}.{1} INCORRECT: MethodAttributes should be {2}, but are {3}",
  78                                          pi.Name, accessor.Name, accessor_attr.Attributes, accessor_flags);
  79                          throw new Exception (message);
  80                  }
  81          }
  82
  83  }
  84
  85  [TypeCheck]
  86  public class A {
  87
  88          const MethodAttributes flags = MethodAttributes.HideBySig |
  89                  MethodAttributes.SpecialName;
  90
  91          [PropertyCheck]
  92          public int Value1 {
  93                  [AccessorCheck (flags | MethodAttributes.Public)]
  94                  get {
  95                          return 0;
  96                  }
  97                  [AccessorCheck (flags | MethodAttributes.Public)]
  98                  set {
  99                  }
 100          }
 101
 102          [PropertyCheck]
 103          public int Value2 {
 104                  [AccessorCheck (flags | MethodAttributes.Public)]
 105                  get {
 106                          return 0;
 107                  }
 108                  [AccessorCheck (flags | MethodAttributes.FamORAssem)]
 109                  protected internal set {
 110                  }
 111          }
 112
 113          [PropertyCheck]
 114          public int Value3 {
 115                  [AccessorCheck (flags | MethodAttributes.Public)]
 116                  get {
 117                          return 0;
 118                  }
 119                  [AccessorCheck (flags | MethodAttributes.Family)]
 120                  protected set {
 121                  }
 122          }
 123
 124          [PropertyCheck]
 125          public int Value4 {
 126                  [AccessorCheck (flags | MethodAttributes.Assembly)]
 127                  internal get {
 128                          return 0;
 129                  }
 130                  [AccessorCheck (flags | MethodAttributes.Public)]
 131                  set {
 132                  }
 133          }
 134
 135          [PropertyCheck]
 136          public int Value5 {
 137                  [AccessorCheck (flags | MethodAttributes.Public)]
 138                  get {
 139                          return 0;
 140                  }
 141                  [AccessorCheck (flags | MethodAttributes.Private)]
 142                  private set {
 143                  }
 144          }
 145
 146  }
 147