mcs/tests/dtest-016.cs

   1 using System;
   2
   3 class Foo
   4 {
   5         public virtual void Dyn (out dynamic o)
   6         {
   7                 o = null;
   8         }
   9 }
  10
  11 class Bar : Foo
  12 {
  13         public override void Dyn (out dynamic o)
  14         {
  15                 base.Dyn (out o);
  16         }
  17 }
  18
  19 public class C
  20 {
  21         public void Method_A (ref int i)
  22         {
  23         }
  24
  25         public void Method_B (ref dynamic i)
  26         {
  27         }
  28
  29         public static int M (string a, string b)
  30         {
  31                 return 5;
  32         }
  33
  34         public static int M (ref object o, out dynamic d)
  35         {
  36                 d = null;
  37                 return 1;
  38         }
  39 }
  40
  41 class D
  42 {
  43         public static int Foo (dynamic d)
  44         {
  45                 return 1;
  46         }
  47
  48         public static int Foo (params object[] o)
  49         {
  50                 return 2;
  51         }
  52 }
  53
  54 class E
  55 {
  56         public static int Foo (int i, dynamic d)
  57         {
  58                 return 1;
  59         }
  60
  61         public static int Foo (double d, object i)
  62         {
  63                 return 2;
  64         }
  65 }
  66
  67 class Program
  68 {
  69         static void DynOut (out dynamic d)
  70         {
  71                 d = null;
  72         }
  73
  74         static void DynRef (ref object d)
  75         {
  76                 d = null;
  77         }
  78
  79         static int DynParams (int a, int b, params int[] arr)
  80         {
  81                 return arr [1] + b;
  82         }
  83
  84         void TestErrorVersions ()
  85         {
  86                 var c = new C ();
  87                 dynamic d = null;
  88                 c.Method_A (d);
  89                 c.Method_B (d);
  90         }
  91
  92         public static int Main ()
  93         {
  94                 object o;
  95                 DynOut (out o);
  96
  97                 dynamic d = null;
  98                 DynRef (ref d);
  99
 100                 dynamic d1 = 1, d2;
 101
 102                 // This should not involve runtime binder
 103                 if (C.M (ref d1, out d2) != 1)
 104                         return 1;
 105
 106                 dynamic d3 = 5;
 107                 dynamic d4 = -9;
 108                 if (DynParams (1, 2, d3, d4) != -7)
 109                         return 2;
 110
 111                 if (DynParams (1, 2, 3, d4) != -7)
 112                         return 3;
 113
 114                 d = 44;
 115                 if (D.Foo (d) != 1)
 116                         return 4;
 117
 118                 if (E.Foo (0, 0) != 1)
 119                         return 5;
 120
 121                 return 0;
 122         }
 123 }