mono/tests/handleref.cs

   1 using System;
   2 using System.Runtime.InteropServices;
   3
   4 public class Tests {
   5
   6         //
   7         // This is not permitted, should throw an exception
   8         //
   9         [DllImport ("libtest")]
  10         public static extern void mono_safe_handle_ref (ref HandleRef handle);
  11
  12         [DllImport ("libtest", EntryPoint="mono_xr_as_handle")]
  13         public static extern HandleRef mono_xr_as_handle (HandleRef r);
  14
  15         [DllImport ("libtest")]
  16         public static extern int mono_xr (HandleRef sh);
  17
  18         //
  19         // Mono should throw exceptions on ref HandleRefs
  20         //
  21         public static int test_0_ref_handleref ()
  22         {
  23                 object o = new object ();
  24                 HandleRef s = new HandleRef (o, (IntPtr) 0xeadcafe);
  25                 try {
  26                         mono_safe_handle_ref (ref s);
  27                 } catch (MarshalDirectiveException){
  28                         return 0;
  29                 }
  30                 // failed
  31                 return 1;
  32         }
  33
  34         //
  35         // Mono should throw excentions on return HandleRefs
  36         //
  37         public static int test_0_handleref_return ()
  38         {
  39                 object o = new object ();
  40                 HandleRef s = new HandleRef (o, (IntPtr) 0xeadcafe);
  41                 try {
  42                         HandleRef ret = mono_xr_as_handle (s);
  43                 } catch (MarshalDirectiveException){
  44                         return 0;
  45                 }
  46                 // failed
  47                 return 1;
  48         }
  49
  50         public static int test_0_marshal_handleref_argument ()
  51         {
  52                 object o = new object ();
  53                 Console.WriteLine ("BEFORE");
  54                 HandleRef s = new HandleRef (o, (IntPtr) 0xeadcafe);
  55                 if (mono_xr (s) != (0xeadcafe + 1234))
  56                         return 1;
  57                 Console.WriteLine ("AFTER");
  58                 return 0;
  59         }
  60
  61         [StructLayout (LayoutKind.Sequential)]
  62         public struct StructTest {
  63                 public int a;
  64                 public HandleRef handle1;
  65                 public HandleRef handle2;
  66                 public int b;
  67         }
  68
  69         [DllImport ("libtest")]
  70         public static extern int mono_safe_handle_struct_ref (ref StructTest test);
  71
  72         [DllImport ("libtest")]
  73         public static extern int mono_safe_handle_struct (StructTest test);
  74
  75         static StructTest x = new StructTest ();
  76
  77         public static int test_0_marshal_safehandle_field ()
  78         {
  79                 x.a = 1234;
  80                 x.b = 8743;
  81                 object o = new object ();
  82                 x.handle1 = new HandleRef (o, (IntPtr) 0x7080feed);
  83                 x.handle2 = new HandleRef (o, (IntPtr) 0x1234abcd);
  84
  85                 if (mono_safe_handle_struct (x) != 0xf00f)
  86                         return 1;
  87
  88                 return 0;
  89         }
  90
  91         public static int test_0_marshal_safehandle_field_ref ()
  92         {
  93                 x.a = 1234;
  94                 x.b = 8743;
  95                 object o = new object ();
  96                 x.handle1 = new HandleRef (o, (IntPtr) 0x7080feed);
  97                 x.handle2 = new HandleRef (o, (IntPtr) 0x1234abcd);
  98
  99                 if (mono_safe_handle_struct_ref (ref x) != 0xf00d)
 100                         return 1;
 101
 102                 return 0;
 103         }
 104
 105         static int Main ()
 106         {
 107                 return TestDriver.RunTests (typeof (Tests));
 108         }
 109 }