mono/tests/cas/linkdemand/icall3.cs

   1 using System;
   2 using System.Runtime.CompilerServices;
   3 using System.Security;
   4
   5 namespace System {
   6
   7         // this is a "public" internal call for both Mono and Microsoft
   8         // http://groups.google.ca/groups?q=MethodImplAttribute+InternalCall&hl=en&lr=&selm=udngxsETCHA.1468%40tkmsftngp11&rnum=10
   9         public class Math {
  10
  11                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  12                 public static extern double Sin (double a);
  13         }
  14 }
  15
  16 public class Program {
  17
  18         static int TestICall ()
  19         {
  20                 return (int) System.Math.Sin (0);
  21         }
  22
  23         static int Main ()
  24         {
  25                 try {
  26                         Console.WriteLine ("*0* System.Math.Sin(0) == {0}", TestICall ());
  27                         return 0;
  28                 }
  29                 catch (SecurityException se) {
  30                         Console.WriteLine ("*1* SecurityException\n{0}", se);
  31                         return 1;
  32                 }
  33                 catch (Exception e) {
  34                         Console.WriteLine ("*2* Unexpected exception\n{0}", e);
  35                         return 2;
  36                 }
  37         }
  38 }