mono/tests/invoke.cs

   1 using System;
   2 using System.Reflection;
   3
   4 class Test {
   5
   6         public struct SimpleStruct {
   7                 public bool a;
   8                 public bool b;
   9
  10                 public SimpleStruct (bool arg) {
  11                         a = arg;
  12                         b = false;
  13                 }
  14         }
  15
  16         static void Test2 () {
  17                 Console.WriteLine ("Test2 called");
  18         }
  19
  20         public static SimpleStruct Test1 (SimpleStruct ss) {
  21                 Console.WriteLine ("Test1 called " + ss.a + " " + ss.b);
  22                 SimpleStruct res = new SimpleStruct ();
  23                 res.a = !ss.a;
  24                 res.b = !ss.b;
  25                 return res;
  26         }
  27
  28         public static void Foo(ref int x, ref int y)
  29         {
  30                 x = 20;
  31                 y = 30;
  32         }
  33
  34         static int Main () {
  35                 Type t = typeof (Test);
  36
  37                 MethodInfo m2 = t.GetMethod ("Test2");
  38                 if (m2 != null)
  39                         return 1;
  40
  41                 MethodInfo m1 = t.GetMethod ("Test1");
  42                 if (m1 == null)
  43                         return 1;
  44
  45                 object [] args = new object [1];
  46                 SimpleStruct ss = new SimpleStruct ();
  47                 ss.a = true;
  48                 ss.b = false;
  49                 args [0] = ss;
  50
  51                 SimpleStruct res = (SimpleStruct)m1.Invoke (null, args);
  52
  53                 if (res.a == true)
  54                         return 1;
  55                 if (res.b == false)
  56                         return 1;
  57
  58                 // Test that the objects for byref valuetype arguments are
  59                 // automatically created
  60                 MethodInfo m3 = typeof(Test).GetMethod("Foo");
  61
  62                 args = new object[2];
  63
  64                 m3.Invoke(null, args);
  65
  66                 if ((((int)(args [0])) != 20) || (((int)(args [1])) != 30))
  67                         return 2;
  68
  69                 // Test the return value from  ConstructorInfo.Invoke when a precreated
  70                 // valuetype is used.
  71                 ConstructorInfo ci = typeof (SimpleStruct).GetConstructor (new Type [] { typeof (bool) });
  72                 SimpleStruct res2 = (SimpleStruct)ci.Invoke (ss, new object [] { false });
  73
  74                 // Test invoking of the array Get/Set methods
  75                 string[,] arr = new string [10, 10];
  76
  77                 arr.GetType ().GetMethod ("Set").Invoke (arr, new object [] { 1, 1, "FOO" });
  78                 string s = (string)arr.GetType ().GetMethod ("Get").Invoke (arr, new object [] { 1, 1 });
  79                 if (s != "FOO")
  80                         return 3;
  81
  82                 return 0;
  83         }
  84 }