mono/tests/marshal9.cs

   1 //
   2 // marshal9.cs: tests for custom marshalling
   3 //
   4
   5 using System;
   6 using System.Runtime.InteropServices;
   7
   8 public class Marshal1 : ICustomMarshaler
   9 {
  10         int param;
  11
  12         public static int cleanup_managed_count = 0;
  13
  14         public static int cleanup_native_count = 0;
  15
  16         public static int native_to_managed_count = 0;
  17
  18         public static object native_to_managed_result = null;
  19
  20         public Marshal1 (int param) {
  21                 this.param = param;
  22         }
  23
  24         public static ICustomMarshaler GetInstance (string s) {
  25                 int param = Int32.Parse (s);
  26                 return new Marshal1 (param);
  27         }
  28
  29         public void CleanUpManagedData (object managedObj)
  30         {
  31                 //Console.WriteLine ("CleanUpManagedData called");
  32                 cleanup_managed_count ++;
  33         }
  34
  35         public void CleanUpNativeData (IntPtr pNativeData)
  36         {
  37                 //Console.WriteLine("CleanUpNativeData:" + pNativeData);
  38                 /* Might be allocated in libtest.c using g_new0 so dont free it */
  39                 int alloc_type = Marshal.ReadInt32 (pNativeData);
  40                 if (alloc_type == 1)
  41                         Marshal.FreeHGlobal (pNativeData);
  42                 cleanup_native_count ++;
  43         }
  44
  45         // I really do not understand the purpose of this method
  46         // or when it would be called. In fact, Rotor never seems
  47         // to call it.
  48         public int GetNativeDataSize ()
  49         {
  50                 //Console.WriteLine("GetNativeDataSize() called");
  51                 return 4;
  52         }
  53
  54         public IntPtr MarshalManagedToNative (object managedObj)
  55         {
  56                 int number;
  57                 IntPtr ptr;
  58
  59                 number = Convert.ToInt32 (managedObj);
  60                 ptr = Marshal.AllocHGlobal (8);
  61                 Marshal.WriteInt32 (ptr, 1);  /* Allocated by AllocHGlobal */
  62                 Marshal.WriteInt32(new IntPtr (ptr.ToInt64 () + 4), number);
  63
  64                 //Console.WriteLine ("ToNative: " + ptr);
  65                 return ptr;
  66         }
  67
  68         public object MarshalNativeToManaged (IntPtr pNativeData)
  69         {
  70                 //Console.WriteLine ("ToManaged: " + pNativeData);
  71                 native_to_managed_count ++;
  72                 native_to_managed_result = param + Marshal.ReadInt32 (new IntPtr (pNativeData.ToInt64 () + 4));
  73                 return native_to_managed_result;
  74         }
  75 }
  76
  77 public class Tests
  78 {
  79         public static int Main (string[] args) {
  80                 return TestDriver.RunTests (typeof (Tests));
  81         }
  82
  83         [DllImport ("libtest")]
  84         [return : MarshalAs(UnmanagedType.CustomMarshaler,MarshalTypeRef = typeof
  85                                                 (Marshal1), MarshalCookie = "5")]
  86         private static extern object mono_test_marshal_pass_return_custom (int i,
  87                                                                                                                                         [MarshalAs( UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof (Marshal1), MarshalCookie = "5")] object number, int j);
  88
  89         public static int test_0_pass_return () {
  90
  91                 Marshal1.cleanup_managed_count = 0;
  92                 Marshal1.cleanup_native_count = 0;
  93
  94                 int res = (int)mono_test_marshal_pass_return_custom (5, 10, 5);
  95
  96                 if (Marshal1.cleanup_managed_count != 0)
  97                         return 1;
  98                 if (Marshal1.cleanup_native_count != 2)
  99                         return 2;
 100
 101                 return res == 15 ? 0 : 3;
 102         }
 103
 104         [DllImport ("libtest")]
 105         private static extern int mono_test_marshal_pass_out_custom (int i,
 106                                                                                                                         [MarshalAs( UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof (Marshal1), MarshalCookie = "5"), Out] out object number, int j);
 107
 108         public static int test_0_pass_out () {
 109
 110                 Marshal1.cleanup_managed_count = 0;
 111                 Marshal1.cleanup_native_count = 0;
 112
 113                 object o = 0;
 114                 int res = mono_test_marshal_pass_out_custom (5, out o, 5);
 115
 116                 /* 10 + 5 + 5 + 5 */
 117                 if ((int)o != 25)
 118                         return 1;
 119
 120                 if (Marshal1.cleanup_managed_count != 0)
 121                         return 2;
 122                 if (Marshal1.cleanup_native_count != 1)
 123                         return 3;
 124
 125                 return 0;
 126         }
 127
 128         [DllImport ("libtest")]
 129         private static extern int mono_test_marshal_pass_inout_custom (int i,
 130                                                                                                                         [MarshalAs( UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof (Marshal1), MarshalCookie = "5"), In, Out] object number, int j);
 131
 132         public static int test_0_pass_inout () {
 133                 Marshal1.cleanup_managed_count = 0;
 134                 Marshal1.cleanup_native_count = 0;
 135                 Marshal1.native_to_managed_result = null;
 136
 137                 int res = mono_test_marshal_pass_inout_custom (5, 5, 5);
 138
 139                 // The changes made by the [Out] custom marshaller are not visible to the caller
 140                 if ((int)Marshal1.native_to_managed_result != 20)
 141                         return 1;
 142
 143                 if (Marshal1.cleanup_managed_count != 0)
 144                         return 2;
 145                 if (Marshal1.cleanup_native_count != 1)
 146                         return 3;
 147
 148                 return 0;
 149         }
 150
 151         [DllImport ("libtest")]
 152         private static extern int mono_test_marshal_pass_out_byval_custom (int i,
 153                                                                                                                         [MarshalAs( UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof (Marshal1), MarshalCookie = "5"), Out] object number, int j);
 154
 155         public static int test_0_pass_out_byval () {
 156                 Marshal1.cleanup_managed_count = 0;
 157                 Marshal1.cleanup_native_count = 0;
 158                 Marshal1.native_to_managed_result = null;
 159
 160                 // MS.NET passes NULL and does no marshalling in this case
 161                 int res = mono_test_marshal_pass_out_byval_custom (5, 5, 5);
 162
 163                 if (res != 0)
 164                         return 1;
 165
 166                 if (Marshal1.native_to_managed_result != null)
 167                         return 2;
 168
 169                 if (Marshal1.cleanup_managed_count != 0)
 170                         return 3;
 171                 if (Marshal1.cleanup_native_count != 0)
 172                         return 4;
 173
 174                 return 0;
 175         }
 176
 177         [DllImport ("libtest")]
 178         private static extern int mono_test_marshal_pass_byref_custom (int i,
 179                                                                                                                         [MarshalAs( UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof (Marshal1), MarshalCookie = "5")] ref object number, int j);
 180
 181         public static int test_0_pass_ref () {
 182
 183                 Marshal1.cleanup_managed_count = 0;
 184                 Marshal1.cleanup_native_count = 0;
 185
 186                 object o = 10;
 187                 int res = mono_test_marshal_pass_byref_custom (5, ref o, 5);
 188
 189                 /* 10 + 5 + 5 + 5 */
 190                 if ((int)o != 25)
 191                         return 1;
 192
 193                 if (Marshal1.cleanup_managed_count != 0)
 194                         return 2;
 195                 if (Marshal1.cleanup_native_count != 1)
 196                         return 3;
 197
 198                 return 0;
 199         }
 200
 201         [DllImport ("libtest")]
 202         [return : MarshalAs(UnmanagedType.CustomMarshaler,MarshalTypeRef = typeof
 203                                                 (Marshal1), MarshalCookie = "5")]
 204         private static extern object mono_test_marshal_pass_return_custom_null (int i,
 205                                                                                                                                         [MarshalAs( UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof (Marshal1), MarshalCookie = "5")] object number, int j);
 206
 207         public static int test_0_pass_return_null () {
 208
 209                 Marshal1.cleanup_managed_count = 0;
 210                 Marshal1.cleanup_native_count = 0;
 211
 212                 object o = mono_test_marshal_pass_return_custom_null (5, null, 5);
 213
 214                 if (Marshal1.cleanup_managed_count != 0)
 215                         return 1;
 216                 if (Marshal1.cleanup_native_count != 0)
 217                         return 2;
 218
 219                 return (o == null) ? 0 : 1;
 220         }
 221
 222         [return : MarshalAs(UnmanagedType.CustomMarshaler,MarshalTypeRef = typeof
 223 (Marshal1), MarshalCookie = "5")] public delegate object pass_return_int_delegate ([MarshalAs (UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof (Marshal1), MarshalCookie = "5")] object o);
 224
 225         [DllImport ("libtest")]
 226         private static extern int mono_test_marshal_pass_return_custom_in_delegate (pass_return_int_delegate del);
 227
 228         [DllImport ("libtest")]
 229         private static extern int mono_test_marshal_pass_return_custom_null_in_delegate (pass_return_int_delegate del);
 230
 231         private static object pass_return_int (object i) {
 232                 return (int)i;
 233         }
 234
 235         private static object pass_return_null (object i) {
 236                 return (i == null) ? null : new Object ();
 237         }
 238
 239         public static int test_0_pass_return_delegate () {
 240
 241                 Marshal1.cleanup_managed_count = 0;
 242                 Marshal1.cleanup_native_count = 0;
 243
 244                 int res = mono_test_marshal_pass_return_custom_in_delegate (new pass_return_int_delegate (pass_return_int));
 245
 246                 if (Marshal1.cleanup_managed_count != 2)
 247                         return 1;
 248                 if (Marshal1.cleanup_native_count != 0)
 249                         return 2;
 250
 251                 return res == 15 ? 0 : 3;
 252         }
 253
 254         public static int test_0_pass_return_null_delegate () {
 255
 256                 Marshal1.cleanup_managed_count = 0;
 257                 Marshal1.cleanup_native_count = 0;
 258
 259                 int res = mono_test_marshal_pass_return_custom_null_in_delegate (new pass_return_int_delegate (pass_return_null));
 260
 261                 if (Marshal1.cleanup_managed_count != 0)
 262                         return 1;
 263                 if (Marshal1.cleanup_native_count != 0)
 264                         return 2;
 265
 266                 return res == 15 ? 0 : 3;
 267         }
 268
 269         /*
 270          * Test custom marshaller class not implementing ICustomMarshaler
 271          */
 272
 273         public class Marshal2 {
 274         }
 275
 276         [DllImport ("libtest")]
 277         private static extern IntPtr mono_test_marshal_pass_return_custom2 (int i,
 278                                                                                                                                         [MarshalAs( UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof (Marshal3), MarshalCookie = "5")] object number, int j);
 279
 280         public static int test_0_not_icustommarshaller () {
 281                 try {
 282                         mono_test_marshal_pass_return_custom2 (5, 10, 5);
 283                 }
 284                 catch (ApplicationException) {
 285                         return 0;
 286                 }
 287                 return 1;
 288         }
 289
 290
 291         /*
 292          * Test custom marshaller class missing GetInstance method
 293          */
 294
 295         public class Marshal3 : ICustomMarshaler {
 296                 public void CleanUpManagedData (object managedObj)
 297                 {
 298                 }
 299
 300                 public void CleanUpNativeData (IntPtr pNativeData)
 301                 {
 302                 }
 303
 304                 public int GetNativeDataSize ()
 305                 {
 306                         return 4;
 307                 }
 308
 309                 public IntPtr MarshalManagedToNative (object managedObj)
 310                 {
 311                         return IntPtr.Zero;
 312                 }
 313
 314                 public object MarshalNativeToManaged (IntPtr pNativeData)
 315                 {
 316                         return null;
 317                 }
 318         }
 319
 320         public class Marshal4 : Marshal3 {
 321                 public static object GetInstance (string s) {
 322                         return null;
 323                 }
 324         }
 325
 326         public class Marshal5 : Marshal3 {
 327                 public static ICustomMarshaler GetInstance (object s) {
 328                         return null;
 329                 }
 330         }
 331
 332         [DllImport ("libtest", EntryPoint = "mono_test_marshal_pass_return_custom2")]
 333         private static extern IntPtr mono_test_marshal_pass_return_custom3 (int i,
 334                                                                                                                                         [MarshalAs( UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof (Marshal3), MarshalCookie = "5")] object number, int j);
 335
 336         [DllImport ("libtest", EntryPoint = "mono_test_marshal_pass_return_custom2")]
 337         private static extern IntPtr mono_test_marshal_pass_return_custom4 (int i,
 338                                                                                                                                         [MarshalAs( UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof (Marshal4), MarshalCookie = "5")] object number, int j);
 339
 340         [DllImport ("libtest", EntryPoint = "mono_test_marshal_pass_return_custom2")]
 341         private static extern IntPtr mono_test_marshal_pass_return_custom5 (int i,
 342                                                                                                                                         [MarshalAs( UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof (Marshal5), MarshalCookie = "5")] object number, int j);
 343
 344         public static int test_0_missing_getinstance1 () {
 345                 try {
 346                         mono_test_marshal_pass_return_custom3 (5, 10, 5);
 347                 }
 348                 catch (ApplicationException) {
 349                         return 0;
 350                 }
 351                 return 1;
 352         }
 353
 354         public static int test_0_missing_getinstance2 () {
 355                 try {
 356                         mono_test_marshal_pass_return_custom4 (5, 10, 5);
 357                 }
 358                 catch (ApplicationException) {
 359                         return 0;
 360                 }
 361                 return 1;
 362         }
 363
 364         public static int test_0_missing_getinstance3 () {
 365                 try {
 366                         mono_test_marshal_pass_return_custom5 (5, 10, 5);
 367                 }
 368                 catch (ApplicationException) {
 369                         return 0;
 370                 }
 371                 return 1;
 372         }
 373
 374 }