mono/tests/generic-delegate2.2.cs

   1 using System;
   2 using System.Reflection;
   3
   4 /*
   5 public delegate object ArrDel (int i);
   6
   7 public class Gen<T> {
   8     public object newArr (int i) {
   9         return new T [i];
  10     }
  11
  12     public ArrDel newDel () {
  13         return new ArrDel (this.newArr);
  14     }
  15 }
  16
  17 public delegate object DelObj (object g, int i);
  18 public delegate object DelStr (object g, int i);
  19 */
  20
  21 public class main {
  22     public static int work () {
  23         Gen<string> gs = new Gen<string> ();
  24         Gen<object> go = new Gen<object> ();
  25
  26         MethodInfo miObj = typeof (Gen<object>).GetMethod ("newArr", BindingFlags.Public | BindingFlags.Instance);
  27         MethodInfo miStr = typeof (Gen<string>).GetMethod ("newArr", BindingFlags.Public | BindingFlags.Instance);
  28
  29         if (miObj == miStr) {
  30             Console.WriteLine ("methods equal");
  31             return 1;
  32         }
  33
  34         ObjArrDel oad = go.newObjDel ();
  35         StrArrDel sad = gs.newStrDel ();
  36         StrArrDel sad2 = (StrArrDel)Delegate.CreateDelegate (typeof (StrArrDel), null, miStr);
  37
  38         if (oad.Method != miObj) {
  39             Console.WriteLine ("wrong object method");
  40             if (oad.Method == miStr)
  41                 Console.WriteLine ("object method is string");
  42             return 1;
  43         }
  44
  45         if (sad.Method != miStr) {
  46             Console.WriteLine ("wrong string method");
  47             if (sad.Method == miObj)
  48                 Console.WriteLine ("string method is object");
  49             else
  50                 return 1;
  51         } else {
  52             Console.WriteLine ("right string method");
  53         }
  54
  55         if (sad2.Method != miStr) {
  56             Console.WriteLine ("wrong string2 method");
  57             if (sad2.Method == miObj)
  58                 Console.WriteLine ("string2 method is object");
  59             return 1;
  60         }
  61
  62         Console.WriteLine ("calling object del");
  63         if (oad (go, 3).GetType () != typeof (object [])) {
  64             Console.WriteLine ("not object array");
  65             return 1;
  66         }
  67
  68         Console.WriteLine ("calling string del");
  69         if (sad (gs, 3).GetType () != typeof (string [])) {
  70             Console.WriteLine ("not string array");
  71             return 1;
  72         }
  73
  74         Console.WriteLine ("calling string del2");
  75         if (sad2 (gs, 3).GetType () != typeof (string [])) {
  76             Console.WriteLine ("not string2 array");
  77             return 1;
  78         }
  79
  80         try {
  81             StrArrDel sad3 = (StrArrDel)Delegate.CreateDelegate (typeof (StrArrDel), null, miObj);
  82             Console.WriteLine ("object method for string delegate");
  83             return 1;
  84         } catch (ArgumentException) {
  85         }
  86
  87         /*
  88         DelObj delObj = (DelObj)Delegate.CreateDelegate (typeof (DelObj), null, miObj);
  89
  90         if (delObj (go, 3).GetType () != typeof (object []))
  91             return 1;
  92
  93         DelStr delStr = (DelStr)Delegate.CreateDelegate (typeof (DelStr), null, miStr);
  94
  95         if (delStr (gs, 3).GetType () != typeof (string []))
  96             return 1;
  97         */
  98
  99         /*
 100         ArrDel ad = go.newDel ();
 101         if (ad (3).GetType () != typeof (object []))
 102             return 1;
 103
 104         ad = gs.newDel ();
 105         if (ad (3).GetType () != typeof (string []))
 106             return 1;
 107         */
 108
 109         Console.WriteLine ("done");
 110
 111         return 0;
 112     }
 113
 114     public static int Main () {
 115         Gen<string> gs = new Gen<string> ();
 116         Gen<object> go = new Gen<object> ();
 117
 118         gs.newArr (3);
 119         go.newArr (3);
 120
 121         return work ();
 122     }
 123 }