mono/tests/pinvoke2.cs

   1 using System;
   2 using System.Text;
   3 using System.Runtime.InteropServices;
   4 using System.Runtime.CompilerServices;
   5
   6 public class Tests {
   7
   8         public int int_field;
   9
  10         public static int delegate_test (int a)
  11         {
  12                 if (a == 2)
  13                         return 0;
  14
  15                 return 1;
  16         }
  17
  18         public int delegate_test_instance (int a)
  19         {
  20                 return int_field + a;
  21         }
  22
  23         [StructLayout (LayoutKind.Sequential)]
  24         public struct SimpleStruct {
  25                 public bool a;
  26                 public bool b;
  27                 public bool c;
  28                 public string d;
  29                 [MarshalAs(UnmanagedType.LPWStr)]
  30                 public string d2;
  31         }
  32
  33         [StructLayout (LayoutKind.Sequential)]
  34         public struct SimpleStructGen<T> {
  35                 public bool a;
  36                 public bool b;
  37                 public bool c;
  38                 public string d;
  39                 [MarshalAs(UnmanagedType.LPWStr)]
  40                 public string d2;
  41         }
  42
  43         [StructLayout (LayoutKind.Sequential)]
  44         public struct SimpleStruct2 {
  45                 public bool a;
  46                 public bool b;
  47                 public bool c;
  48                 public string d;
  49                 public byte e;
  50                 public double f;
  51                 public byte g;
  52                 public long h;
  53         }
  54
  55         [StructLayout (LayoutKind.Sequential, Size=0)]
  56         public struct EmptyStruct {
  57         }
  58
  59         [StructLayout (LayoutKind.Sequential)]
  60         public struct DelegateStruct {
  61                 public int a;
  62                 public SimpleDelegate del;
  63                 [MarshalAs(UnmanagedType.FunctionPtr)]
  64                 public SimpleDelegate del2;
  65                 [MarshalAs(UnmanagedType.FunctionPtr)]
  66                 public SimpleDelegate del3;
  67         }
  68
  69         /* sparcv9 has complex conventions when passing structs with doubles in them
  70            by value, some simple tests for them */
  71         [StructLayout (LayoutKind.Sequential)]
  72         public struct Point {
  73                 public double x;
  74                 public double y;
  75         }
  76
  77         [StructLayout (LayoutKind.Sequential)]
  78         public struct MixedPoint {
  79                 public int x;
  80                 public double y;
  81         }
  82
  83         [StructLayout (LayoutKind.Sequential)]
  84         public class SimpleClass {
  85                 public bool a;
  86                 public bool b;
  87                 public bool c;
  88                 public string d;
  89                 public byte e;
  90                 public double f;
  91                 public byte g;
  92                 public long h;
  93         }
  94
  95         [StructLayout (LayoutKind.Sequential)]
  96         public class EmptyClass {
  97         }
  98
  99         [StructLayout (LayoutKind.Sequential)]
 100         public struct LongAlignStruct {
 101                 public int a;
 102                 public long b;
 103                 public long c;
 104         }
 105
 106         [StructLayout(LayoutKind.Sequential)]
 107         public class BlittableClass
 108         {
 109                 public int a = 1;
 110                 public int b = 2;
 111         }
 112
 113         [StructLayout (LayoutKind.Sequential)]
 114         class SimpleObj
 115         {
 116                 public string str;
 117                 public int i;
 118         }
 119
 120         [StructLayout(LayoutKind.Sequential)]
 121         struct AsAnyStruct
 122         {
 123                 public int i;
 124                 public int j;
 125                 public int k;
 126                 public String s;
 127
 128                 public AsAnyStruct(int i, int j, int k, String s) {
 129                         this.i = i;
 130                         this.j = j;
 131                         this.k = k;
 132                         this.s = s;
 133                 }
 134         }
 135
 136         [StructLayout(LayoutKind.Sequential)]
 137         class AsAnyClass
 138         {
 139                 public int i;
 140                 public int j;
 141                 public int k;
 142                 public String s;
 143
 144                 public AsAnyClass(int i, int j, int k, String s) {
 145                         this.i = i;
 146                         this.j = j;
 147                         this.k = k;
 148                 }
 149         }
 150
 151         [DllImport ("libnot-found", EntryPoint="not_found")]
 152         public static extern int mono_library_not_found ();
 153
 154         [DllImport ("libtest", EntryPoint="not_found")]
 155         public static extern int mono_entry_point_not_found ();
 156
 157         [DllImport ("libtest.dll", EntryPoint="mono_test_marshal_char")]
 158         public static extern int mono_test_marshal_char_2 (char a1);
 159
 160         [DllImport ("test", EntryPoint="mono_test_marshal_char")]
 161         public static extern int mono_test_marshal_char_3 (char a1);
 162
 163         [DllImport ("libtest", EntryPoint="mono_test_marshal_char")]
 164         public static extern int mono_test_marshal_char (char a1);
 165
 166         [DllImport ("libtest", EntryPoint="mono_test_marshal_char_array", CharSet=CharSet.Unicode)]
 167         public static extern int mono_test_marshal_char_array (char[] a1);
 168
 169         [DllImport ("libtest", EntryPoint="mono_test_marshal_bool_byref")]
 170         public static extern int mono_test_marshal_bool_byref (int a, ref bool b, int c);
 171
 172         [DllImport ("libtest", EntryPoint="mono_test_marshal_bool_in_as_I1_U1")]
 173         public static extern int mono_test_marshal_bool_in_as_I1 ([MarshalAs (UnmanagedType.I1)] bool bTrue, [MarshalAs (UnmanagedType.I1)] bool bFalse);
 174
 175         [DllImport ("libtest", EntryPoint="mono_test_marshal_bool_in_as_I1_U1")]
 176         public static extern int mono_test_marshal_bool_in_as_U1 ([MarshalAs (UnmanagedType.U1)] bool bTrue, [MarshalAs (UnmanagedType.U1)] bool bFalse);
 177
 178         [DllImport ("libtest", EntryPoint="mono_test_marshal_bool_out_as_I1_U1")]
 179         public static extern int mono_test_marshal_bool_out_as_I1 ([MarshalAs (UnmanagedType.I1)] out bool bTrue, [MarshalAs (UnmanagedType.I1)] out bool bFalse);
 180
 181         [DllImport ("libtest", EntryPoint="mono_test_marshal_bool_out_as_I1_U1")]
 182         public static extern int mono_test_marshal_bool_out_as_U1 ([MarshalAs (UnmanagedType.U1)] out bool bTrue, [MarshalAs (UnmanagedType.U1)] out bool bFalse);
 183
 184         [DllImport ("libtest", EntryPoint="mono_test_marshal_bool_ref_as_I1_U1")]
 185         public static extern int mono_test_marshal_bool_ref_as_I1 ([MarshalAs (UnmanagedType.I1)] ref bool bTrue, [MarshalAs (UnmanagedType.I1)] ref bool bFalse);
 186
 187         [DllImport ("libtest", EntryPoint="mono_test_marshal_bool_ref_as_I1_U1")]
 188         public static extern int mono_test_marshal_bool_ref_as_U1 ([MarshalAs (UnmanagedType.U1)] ref bool bTrue, [MarshalAs (UnmanagedType.U1)] ref bool bFalse);
 189
 190         [DllImport ("libtest", EntryPoint="mono_test_marshal_array")]
 191         public static extern int mono_test_marshal_array (int [] a1);
 192
 193         [DllImport ("libtest", EntryPoint="mono_test_marshal_empty_string_array")]
 194         public static extern int mono_test_marshal_empty_string_array (string [] a1);
 195
 196         [DllImport ("libtest", EntryPoint="mono_test_marshal_string_array")]
 197         public static extern int mono_test_marshal_string_array (string [] a1);
 198
 199         [DllImport ("libtest", EntryPoint="mono_test_marshal_unicode_string_array", CharSet=CharSet.Unicode)]
 200         public static extern int mono_test_marshal_unicode_string_array (string [] a1, [MarshalAs(UnmanagedType.LPArray, ArraySubType=UnmanagedType.LPStr)]string [] a2);
 201
 202         [DllImport ("libtest", EntryPoint="mono_test_marshal_stringbuilder_array")]
 203         public static extern int mono_test_marshal_stringbuilder_array (StringBuilder [] a1);
 204
 205         [DllImport ("libtest", EntryPoint="mono_test_marshal_inout_array")]
 206         public static extern int mono_test_marshal_inout_array ([In, Out] int [] a1);
 207
 208         [DllImport ("libtest", EntryPoint="mono_test_marshal_out_array")]
 209         public static extern int mono_test_marshal_out_array ([Out] [MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 1)] int [] a1, int n);
 210
 211         [DllImport ("libtest", EntryPoint="mono_test_marshal_inout_nonblittable_array", CharSet = CharSet.Unicode)]
 212         public static extern int mono_test_marshal_inout_nonblittable_array ([In, Out] char [] a1);
 213
 214         [DllImport ("libtest", EntryPoint="mono_test_marshal_struct")]
 215         public static extern int mono_test_marshal_struct (SimpleStruct ss);
 216
 217         [DllImport ("libtest", EntryPoint="mono_test_marshal_struct")]
 218         public static extern int mono_test_marshal_struct_gen (SimpleStructGen<string> ss);
 219
 220         [DllImport ("libtest", EntryPoint="mono_test_marshal_struct2")]
 221         public static extern int mono_test_marshal_struct2 (SimpleStruct2 ss);
 222
 223         [DllImport ("libtest", EntryPoint="mono_test_marshal_struct2_2")]
 224         public static extern int mono_test_marshal_struct2_2 (int i, int j, int k, SimpleStruct2 ss);
 225
 226         [DllImport ("libtest", EntryPoint="mono_test_marshal_byref_struct")]
 227         public static extern int mono_test_marshal_byref_struct (ref SimpleStruct ss, bool a, bool b, bool c, String d);
 228
 229         [DllImport ("libtest", EntryPoint="mono_test_marshal_byref_struct")]
 230         public static extern int mono_test_marshal_byref_struct_in ([In] ref SimpleStruct ss, bool a, bool b, bool c, String d);
 231
 232         [DllImport ("libtest", EntryPoint="mono_test_marshal_byref_struct")]
 233         public static extern int mono_test_marshal_byref_struct_inout ([In, Out] ref SimpleStruct ss, bool a, bool b, bool c, String d);
 234
 235         [DllImport ("libtest", EntryPoint="mono_test_marshal_point")]
 236         public static extern int mono_test_marshal_point (Point p);
 237
 238         [DllImport ("libtest", EntryPoint="mono_test_marshal_mixed_point")]
 239         public static extern int mono_test_marshal_mixed_point (MixedPoint p);
 240
 241         [DllImport ("libtest", EntryPoint="mono_test_empty_struct")]
 242         public static extern int mono_test_empty_struct (int a, EmptyStruct es, int b);
 243
 244         [DllImport ("libtest", EntryPoint="mono_test_marshal_lpstruct")]
 245         public static extern int mono_test_marshal_lpstruct ([In, MarshalAs(UnmanagedType.LPStruct)] SimpleStruct ss);
 246
 247         [DllImport ("libtest", EntryPoint="mono_test_marshal_lpstruct_blittable")]
 248         public static extern int mono_test_marshal_lpstruct_blittable ([In, MarshalAs(UnmanagedType.LPStruct)] Point p);
 249
 250         [DllImport ("libtest", EntryPoint="mono_test_marshal_struct_array")]
 251         public static extern int mono_test_marshal_struct_array (SimpleStruct2[] ss);
 252
 253         [DllImport ("libtest", EntryPoint="mono_test_marshal_long_align_struct_array")]
 254         public static extern int mono_test_marshal_long_align_struct_array (LongAlignStruct[] ss);
 255
 256         [DllImport ("libtest", EntryPoint="mono_test_marshal_class")]
 257         public static extern SimpleClass mono_test_marshal_class (int i, int j, int k, SimpleClass ss, int l);
 258
 259         [DllImport ("libtest", EntryPoint="mono_test_marshal_byref_class")]
 260         public static extern int mono_test_marshal_byref_class (ref SimpleClass ss);
 261
 262         [DllImport ("libtest", EntryPoint="mono_test_marshal_delegate")]
 263         public static extern int mono_test_marshal_delegate (SimpleDelegate d);
 264
 265         [DllImport ("libtest", EntryPoint="mono_test_marshal_delegate_struct")]
 266         public static extern DelegateStruct mono_test_marshal_delegate_struct (DelegateStruct d);
 267
 268         [DllImport ("libtest", EntryPoint="mono_test_marshal_return_delegate")]
 269         public static extern SimpleDelegate mono_test_marshal_return_delegate (SimpleDelegate d);
 270
 271         [DllImport ("libtest", EntryPoint="mono_test_return_vtype")]
 272         public static extern SimpleStruct mono_test_return_vtype (IntPtr i);
 273
 274         [DllImport ("libtest", EntryPoint="mono_test_marshal_stringbuilder")]
 275         public static extern void mono_test_marshal_stringbuilder (StringBuilder sb, int len);
 276
 277         [DllImport ("libtest", EntryPoint="mono_test_marshal_stringbuilder_default")]
 278         public static extern void mono_test_marshal_stringbuilder_default (StringBuilder sb, int len);
 279
 280         [DllImport ("libtest", EntryPoint="mono_test_marshal_stringbuilder_unicode", CharSet=CharSet.Unicode)]
 281         public static extern void mono_test_marshal_stringbuilder_unicode (StringBuilder sb, int len);
 282
 283         [DllImport ("libtest", EntryPoint="mono_test_last_error", SetLastError=true)]
 284         public static extern void mono_test_last_error (int err);
 285
 286         [DllImport ("libtest", EntryPoint="mono_test_asany")]
 287         public static extern int mono_test_asany ([MarshalAs (UnmanagedType.AsAny)] object o, int what);
 288
 289         [DllImport ("libtest", EntryPoint="mono_test_asany", CharSet=CharSet.Unicode)]
 290         public static extern int mono_test_asany_unicode ([MarshalAs (UnmanagedType.AsAny)] object o, int what);
 291
 292         [DllImport("libtest", EntryPoint="mono_test_marshal_asany_in")]
 293         static extern void mono_test_asany_in ([MarshalAs(UnmanagedType.AsAny)][In] object obj);
 294
 295         [DllImport("libtest", EntryPoint="mono_test_marshal_asany_out")]
 296         static extern void mono_test_asany_out ([MarshalAs(UnmanagedType.AsAny)][Out] object obj);
 297         [DllImport("libtest", EntryPoint="mono_test_marshal_asany_inout")]
 298         static extern void mono_test_asany_inout ([MarshalAs(UnmanagedType.AsAny)][In, Out] object obj);
 299
 300         [DllImport ("libtest")]
 301         static extern int class_marshal_test0 (SimpleObj obj);
 302
 303         [DllImport ("libtest")]
 304         static extern void class_marshal_test1 (out SimpleObj obj);
 305
 306         [DllImport ("libtest")]
 307         static extern int class_marshal_test4 (SimpleObj obj);
 308
 309         [DllImport ("libtest")]
 310         static extern int string_marshal_test0 (string str);
 311
 312         [DllImport ("libtest")]
 313         static extern void string_marshal_test1 (out string str);
 314
 315         [DllImport ("libtest")]
 316         static extern int string_marshal_test2 (ref string str);
 317
 318         [DllImport ("libtest")]
 319         static extern int string_marshal_test3 (string str);
 320
 321         public delegate int SimpleDelegate (int a);
 322
 323         public static int Main (string[] args) {
 324                 return TestDriver.RunTests (typeof (Tests), args);
 325         }
 326
 327         public static int test_0_marshal_char () {
 328                 return mono_test_marshal_char ('a');
 329         }
 330
 331         public static int test_0_marshal_char_array () {
 332                 // a unicode char[] is implicitly marshalled as [Out]
 333                 char[] buf = new char [32];
 334                 mono_test_marshal_char_array (buf);
 335                 string s = new string (buf);
 336                 if (s.StartsWith ("abcdef"))
 337                         return 0;
 338                 else
 339                         return 1;
 340         }
 341
 342         public static int test_1225_marshal_array () {
 343                 int [] a1 = new int [50];
 344                 for (int i = 0; i < 50; i++)
 345                         a1 [i] = i;
 346
 347                 return mono_test_marshal_array (a1);
 348         }
 349
 350         public static int test_1225_marshal_inout_array () {
 351                 int [] a1 = new int [50];
 352                 for (int i = 0; i < 50; i++)
 353                         a1 [i] = i;
 354
 355                 int res = mono_test_marshal_inout_array (a1);
 356
 357                 for (int i = 0; i < 50; i++)
 358                         if (a1 [i] != 50 - i) {
 359                                 Console.WriteLine ("X: " + i + " " + a1 [i]);
 360                                 return 2;
 361                         }
 362
 363                 return res;
 364         }
 365
 366         public static int test_0_marshal_out_array () {
 367                 int [] a1 = new int [50];
 368
 369                 int res = mono_test_marshal_out_array (a1, 0);
 370
 371                 for (int i = 0; i < 50; i++)
 372                         if (a1 [i] != i) {
 373                                 Console.WriteLine ("X: " + i + " " + a1 [i]);
 374                                 return 2;
 375                         }
 376
 377                 return 0;
 378         }
 379
 380         public static int test_0_marshal_inout_nonblittable_array () {
 381                 char [] a1 = new char [10];
 382                 for (int i = 0; i < 10; i++)
 383                         a1 [i] = "Hello, World" [i];
 384
 385                 int res = mono_test_marshal_inout_nonblittable_array (a1);
 386
 387                 for (int i = 0; i < 10; i++)
 388                         if (a1 [i] != 'F')
 389                                 return 2;
 390
 391                 return res;
 392         }
 393
 394         public static int test_0_marshal_struct () {
 395                 SimpleStruct ss = new  SimpleStruct ();
 396                 ss.b = true;
 397                 ss.d = "TEST";
 398
 399                 return mono_test_marshal_struct (ss);
 400         }
 401
 402         public static int test_0_marshal_struct_gen () {
 403                 SimpleStructGen<string> ss = new  SimpleStructGen<string> ();
 404                 ss.b = true;
 405                 ss.d = "TEST";
 406
 407                 return mono_test_marshal_struct_gen (ss);
 408         }
 409
 410         public static int test_0_marshal_struct2 () {
 411                 SimpleStruct2 ss2 = new  SimpleStruct2 ();
 412                 ss2.b = true;
 413                 ss2.d = "TEST";
 414                 ss2.e = 99;
 415                 ss2.f = 1.5;
 416                 ss2.g = 42;
 417                 ss2.h = 123L;
 418
 419                 return mono_test_marshal_struct2 (ss2);
 420         }
 421
 422         public static int test_0_marshal_struct3 () {
 423                 SimpleStruct2 ss2 = new  SimpleStruct2 ();
 424                 ss2.b = true;
 425                 ss2.d = "TEST";
 426                 ss2.e = 99;
 427                 ss2.f = 1.5;
 428                 ss2.g = 42;
 429                 ss2.h = 123L;
 430
 431                 return mono_test_marshal_struct2_2 (10, 11, 12, ss2);
 432         }
 433
 434         public static int test_0_marshal_empty_struct () {
 435                 EmptyStruct es = new EmptyStruct ();
 436
 437                 if (mono_test_empty_struct (1, es, 2) != 0)
 438                         return 1;
 439
 440                 return 0;
 441         }
 442
 443         public static int test_0_marshal_lpstruct () {
 444                 SimpleStruct ss = new  SimpleStruct ();
 445                 ss.b = true;
 446                 ss.d = "TEST";
 447
 448                 return mono_test_marshal_lpstruct (ss);
 449         }
 450
 451         public static int test_0_marshal_lpstruct_blittable () {
 452                 Point p = new Point ();
 453                 p.x = 1.0;
 454                 p.y = 2.0;
 455
 456                 return mono_test_marshal_lpstruct_blittable (p);
 457         }
 458
 459         public static int test_0_marshal_struct_array () {
 460                 SimpleStruct2[] ss_arr = new SimpleStruct2 [2];
 461
 462                 SimpleStruct2 ss2 = new SimpleStruct2 ();
 463                 ss2.b = true;
 464                 ss2.d = "TEST";
 465                 ss2.e = 99;
 466                 ss2.f = 1.5;
 467                 ss2.g = 42;
 468                 ss2.h = 123L;
 469
 470                 ss_arr [0] = ss2;
 471
 472                 ss2.b = false;
 473                 ss2.d = "TEST2";
 474                 ss2.e = 100;
 475                 ss2.f = 2.5;
 476                 ss2.g = 43;
 477                 ss2.h = 124L;
 478
 479                 ss_arr [1] = ss2;
 480
 481                 return mono_test_marshal_struct_array (ss_arr);
 482         }
 483
 484         public static int test_105_marshal_long_align_struct_array () {
 485                 LongAlignStruct[] ss_arr = new LongAlignStruct [2];
 486
 487                 LongAlignStruct ss = new LongAlignStruct ();
 488                 ss.a = 5;
 489                 ss.b = 10;
 490                 ss.c = 15;
 491
 492                 ss_arr [0] = ss;
 493
 494                 ss.a = 20;
 495                 ss.b = 25;
 496                 ss.c = 30;
 497
 498                 ss_arr [1] = ss;
 499
 500                 return mono_test_marshal_long_align_struct_array (ss_arr);
 501         }
 502
 503         /* Test classes as arguments and return values */
 504         public static int test_0_marshal_class () {
 505                 SimpleClass ss = new  SimpleClass ();
 506                 ss.b = true;
 507                 ss.d = "TEST";
 508                 ss.e = 99;
 509                 ss.f = 1.5;
 510                 ss.g = 42;
 511                 ss.h = 123L;
 512
 513                 SimpleClass res = mono_test_marshal_class (10, 11, 12, ss, 14);
 514                 if (res == null)
 515                         return 1;
 516                 if  (! (res.a == ss.a && res.b == ss.b && res.c == ss.c &&
 517                                 res.d == ss.d && res.e == ss.e && res.f == ss.f &&
 518                                 res.g == ss.g && res.h == ss.h))
 519                         return 2;
 520
 521                 /* Test null arguments and results */
 522                 res = mono_test_marshal_class (10, 11, 12, null, 14);
 523                 if (res != null)
 524                         return 3;
 525
 526                 return 0;
 527         }
 528
 529         public static int test_0_marshal_byref_class () {
 530                 SimpleClass ss = new  SimpleClass ();
 531                 ss.b = true;
 532                 ss.d = "TEST";
 533                 ss.e = 99;
 534                 ss.f = 1.5;
 535                 ss.g = 42;
 536                 ss.h = 123L;
 537
 538                 int res = mono_test_marshal_byref_class (ref ss);
 539                 if (ss.d != "TEST-RES")
 540                         return 1;
 541
 542                 return 0;
 543         }
 544
 545         public static int test_0_marshal_delegate () {
 546                 SimpleDelegate d = new SimpleDelegate (delegate_test);
 547
 548                 return mono_test_marshal_delegate (d);
 549         }
 550
 551         public static int test_34_marshal_instance_delegate () {
 552                 Tests t = new Tests ();
 553                 t.int_field = 32;
 554                 SimpleDelegate d = new SimpleDelegate (t.delegate_test_instance);
 555
 556                 return mono_test_marshal_delegate (d);
 557         }
 558
 559         public static int test_0_marshal_return_delegate () {
 560                 SimpleDelegate d = new SimpleDelegate (delegate_test);
 561
 562                 SimpleDelegate d2 = mono_test_marshal_return_delegate (d);
 563
 564                 return d2 (2);
 565         }
 566
 567         public static int test_0_marshal_delegate_struct () {
 568                 DelegateStruct s = new DelegateStruct ();
 569
 570                 s.a = 2;
 571                 s.del = new SimpleDelegate (delegate_test);
 572                 s.del2 = new SimpleDelegate (delegate_test);
 573                 s.del3 = null;
 574
 575                 DelegateStruct res = mono_test_marshal_delegate_struct (s);
 576
 577                 if (res.a != 0)
 578                         return 1;
 579                 if (res.del (2) != 0)
 580                         return 2;
 581                 if (res.del2 (2) != 0)
 582                         return 3;
 583                 if (res.del3 != null)
 584                         return 4;
 585
 586                 return 0;
 587         }
 588
 589         [DllImport ("libtest", EntryPoint="mono_test_marshal_out_delegate")]
 590         public static extern int mono_test_marshal_out_delegate (out SimpleDelegate d);
 591
 592         public static int test_3_marshal_out_delegate () {
 593                 SimpleDelegate d = null;
 594
 595                 mono_test_marshal_out_delegate (out d);
 596
 597                 return d (2);
 598         }
 599
 600         public static int test_0_marshal_byref_struct () {
 601                 SimpleStruct s = new SimpleStruct ();
 602                 s.a = true;
 603                 s.b = false;
 604                 s.c = true;
 605                 s.d = "ABC";
 606                 s.d2 = "DEF";
 607
 608                 int res = mono_test_marshal_byref_struct (ref s, true, false, true, "ABC");
 609                 if (res != 0)
 610                         return 1;
 611                 if (s.a != false || s.b != true || s.c != false || s.d != "DEF")
 612                         return 2;
 613                 return 0;
 614         }
 615
 616         public static int test_0_marshal_byref_struct_in () {
 617                 SimpleStruct s = new SimpleStruct ();
 618                 s.a = true;
 619                 s.b = false;
 620                 s.c = true;
 621                 s.d = "ABC";
 622                 s.d2 = "DEF";
 623
 624                 int res = mono_test_marshal_byref_struct_in (ref s, true, false, true, "ABC");
 625                 if (res != 0)
 626                         return 1;
 627                 if (s.a != true || s.b != false || s.c != true || s.d != "ABC")
 628                         return 2;
 629                 return 0;
 630         }
 631
 632         public static int test_0_marshal_byref_struct_inout () {
 633                 SimpleStruct s = new SimpleStruct ();
 634                 s.a = true;
 635                 s.b = false;
 636                 s.c = true;
 637                 s.d = "ABC";
 638                 s.d2 = "DEF";
 639
 640                 int res = mono_test_marshal_byref_struct_inout (ref s, true, false, true, "ABC");
 641                 if (res != 0)
 642                         return 1;
 643                 if (s.a != false || s.b != true || s.c != false || s.d != "DEF")
 644                         return 2;
 645                 return 0;
 646         }
 647
 648         public static int test_0_marshal_point () {
 649                 Point pt = new Point();
 650                 pt.x = 1.25;
 651                 pt.y = 3.5;
 652
 653                 return mono_test_marshal_point(pt);
 654         }
 655
 656         public static int test_0_marshal_mixed_point () {
 657                 MixedPoint mpt = new MixedPoint();
 658                 mpt.x = 5;
 659                 mpt.y = 6.75;
 660
 661                 return mono_test_marshal_mixed_point(mpt);
 662         }
 663
 664         public static int test_0_marshal_bool_byref () {
 665                 bool b = true;
 666                 if (mono_test_marshal_bool_byref (99, ref b, 100) != 1)
 667                         return 1;
 668                 b = false;
 669                 if (mono_test_marshal_bool_byref (99, ref b, 100) != 0)
 670                         return 12;
 671                 if (b != true)
 672                         return 13;
 673
 674                 return 0;
 675         }
 676
 677         public static int test_0_marshal_bool_as_I1 () {
 678
 679                 int ret;
 680                 bool bTrue, bFalse;
 681                 if ((ret = mono_test_marshal_bool_in_as_I1 (true, false)) != 0)
 682                         return ret;
 683
 684                 if ((ret = mono_test_marshal_bool_out_as_I1 (out bTrue, out bFalse)) != 0)
 685                         return ret;
 686
 687                 if(!bTrue)
 688                         return 10;
 689
 690                 if(bFalse)
 691                         return 11;
 692
 693                 if ((ret = mono_test_marshal_bool_ref_as_I1 (ref bTrue, ref bFalse)) != 0)
 694                         return ret;
 695
 696                 if(bTrue)
 697                         return 12;
 698
 699                 if(!bFalse)
 700                         return 13;
 701
 702                 return 0;
 703         }
 704
 705         public static int test_0_marshal_bool_as_U1 () {
 706
 707                 int ret;
 708                 bool bTrue, bFalse;
 709                 if ((ret = mono_test_marshal_bool_in_as_U1 (true, false)) != 0)
 710                         return ret;
 711
 712                 if ((ret = mono_test_marshal_bool_out_as_U1 (out bTrue, out bFalse)) != 0)
 713                         return ret;
 714
 715                 if(!bTrue)
 716                         return 10;
 717
 718                 if(bFalse)
 719                         return 11;
 720
 721                 if ((ret = mono_test_marshal_bool_ref_as_U1 (ref bTrue, ref bFalse)) != 0)
 722                         return ret;
 723
 724                 if(bTrue)
 725                         return 12;
 726
 727                 if(!bFalse)
 728                         return 13;
 729
 730                 return 0;
 731         }
 732
 733         public static int test_0_return_vtype () {
 734                 SimpleStruct ss = mono_test_return_vtype (new IntPtr (5));
 735
 736                 if (!ss.a && ss.b && !ss.c && ss.d == "TEST" && ss.d2 == "TEST2")
 737                         return 0;
 738
 739                 return 1;
 740         }
 741
 742         public static int test_0_marshal_stringbuilder () {
 743                 StringBuilder sb = new StringBuilder(255);
 744                 sb.Append ("ABCD");
 745                 mono_test_marshal_stringbuilder (sb, sb.Capacity);
 746                 String res = sb.ToString();
 747
 748                 if (res != "This is my message.  Isn't it nice?")
 749                         return 1;
 750
 751                 // Test StringBuilder with default capacity (16)
 752                 StringBuilder sb2 = new StringBuilder();
 753                 mono_test_marshal_stringbuilder_default (sb2, sb2.Capacity);
 754                 if (sb2.ToString () != "This is my messa")
 755                         return 2;
 756
 757                 return 0;
 758         }
 759
 760         public static int test_0_marshal_stringbuilder_unicode () {
 761                 StringBuilder sb = new StringBuilder(255);
 762                 mono_test_marshal_stringbuilder_unicode (sb, sb.Capacity);
 763                 String res = sb.ToString();
 764
 765                 if (res != "This is my message.  Isn't it nice?")
 766                         return 1;
 767
 768                 // Test StringBuilder with default capacity (16)
 769                 StringBuilder sb2 = new StringBuilder();
 770                 mono_test_marshal_stringbuilder_unicode (sb2, sb2.Capacity);
 771                 if (sb2.ToString () != "This is my messa")
 772                         return 2;
 773
 774                 return 0;
 775         }
 776
 777         public static int test_0_marshal_empty_string_array () {
 778                 return mono_test_marshal_empty_string_array (null);
 779         }
 780
 781         public static int test_0_marshal_string_array () {
 782                 return mono_test_marshal_string_array (new String [] { "ABC", "DEF" });
 783         }
 784
 785         public static int test_0_marshal_unicode_string_array () {
 786                 return mono_test_marshal_unicode_string_array (new String [] { "ABC", "DEF" }, new String [] { "ABC", "DEF" });
 787         }
 788
 789         public static int test_0_marshal_stringbuilder_array () {
 790                 StringBuilder sb1 = new StringBuilder ("ABC");
 791                 StringBuilder sb2 = new StringBuilder ("DEF");
 792
 793                 int res = mono_test_marshal_stringbuilder_array (new StringBuilder [] { sb1, sb2 });
 794                 if (res != 0)
 795                         return res;
 796                 if (sb1.ToString () != "DEF")
 797                         return 5;
 798                 if (sb2.ToString () != "ABC")
 799                         return 6;
 800                 return 0;
 801         }
 802
 803         public static int test_0_last_error () {
 804                 mono_test_last_error (5);
 805                 if (Marshal.GetLastWin32Error () == 5)
 806                         return 0;
 807                 else
 808                         return 1;
 809         }
 810
 811         public static int test_0_entry_point_not_found () {
 812
 813                 try {
 814                         mono_entry_point_not_found ();
 815                         return 1;
 816                 }
 817                 catch (EntryPointNotFoundException) {
 818                 }
 819
 820                 return 0;
 821         }
 822
 823         public static int test_0_library_not_found () {
 824
 825                 try {
 826                         mono_library_not_found ();
 827                         return 1;
 828                 }
 829                 catch (DllNotFoundException) {
 830                 }
 831
 832                 return 0;
 833         }
 834
 835         /* Check that the runtime trims .dll from the library name */
 836         public static int test_0_trim_dll_from_name () {
 837
 838                 mono_test_marshal_char_2 ('A');
 839
 840                 return 0;
 841         }
 842
 843         /* Check that the runtime adds lib to to the library name */
 844         public static int test_0_add_lib_to_name () {
 845
 846                 mono_test_marshal_char_3 ('A');
 847
 848                 return 0;
 849         }
 850
 851         class C {
 852                 public int i;
 853         }
 854
 855         public static int test_0_asany () {
 856                 if (mono_test_asany (5, 1) != 0)
 857                         return 1;
 858
 859                 if (mono_test_asany ("ABC", 2) != 0)
 860                         return 2;
 861
 862                 SimpleStruct2 ss2 = new  SimpleStruct2 ();
 863                 ss2.b = true;
 864                 ss2.d = "TEST";
 865                 ss2.e = 99;
 866                 ss2.f = 1.5;
 867                 ss2.g = 42;
 868                 ss2.h = 123L;
 869
 870                 if (mono_test_asany (ss2, 3) != 0)
 871                         return 3;
 872
 873                 if (mono_test_asany_unicode ("ABC", 4) != 0)
 874                         return 4;
 875
 876                 try {
 877                         C c = new C ();
 878                         c.i = 5;
 879                         mono_test_asany (c, 0);
 880                         return 5;
 881                 }
 882                 catch (ArgumentException) {
 883                 }
 884
 885                 try {
 886                         mono_test_asany (new Object (), 0);
 887                         return 6;
 888                 }
 889                 catch (ArgumentException) {
 890                 }
 891
 892                 return 0;
 893         }
 894
 895         /* AsAny marshalling + [In, Out] */
 896
 897         public static int test_0_asany_in () {
 898                 // Struct
 899                 AsAnyStruct str = new AsAnyStruct(1,2,3, "ABC");
 900                 mono_test_asany_in (str);
 901
 902                 // Formatted Class
 903                 AsAnyClass cls = new AsAnyClass(1,2,3, "ABC");
 904                 mono_test_asany_in (cls);
 905                 if ((cls.i != 1) || (cls.j != 2) || (cls.k != 3))
 906                         return 1;
 907
 908                 // Boxed Struct
 909                 object obj = new AsAnyStruct(1,2,3, "ABC");
 910                 mono_test_asany_in (obj);
 911                 str = (AsAnyStruct)obj;
 912                 if ((str.i != 1) || (str.j != 2) || (str.k != 3))
 913                         return 2;
 914
 915                 return 0;
 916         }
 917
 918         public static int test_0_asany_out () {
 919                 // Struct
 920                 AsAnyStruct str = new AsAnyStruct(1,2,3, "ABC");
 921                 mono_test_asany_out (str);
 922
 923                 // Formatted Class
 924                 AsAnyClass cls = new AsAnyClass(1,2,3, "ABC");
 925                 mono_test_asany_out (cls);
 926                 if ((cls.i != 10) || (cls.j != 20) || (cls.k != 30))
 927                         return 1;
 928
 929                 // Boxed Struct
 930                 object obj = new AsAnyStruct(1,2,3, "ABC");
 931                 mono_test_asany_out (obj);
 932                 str = (AsAnyStruct)obj;
 933                 if ((str.i != 10) || (str.j != 20) || (str.k != 30))
 934                         return 2;
 935
 936                 return 0;
 937         }
 938
 939         public static int test_0_asany_inout () {
 940                 // Struct
 941                 AsAnyStruct str = new AsAnyStruct(1,2,3, "ABC");
 942                 mono_test_asany_inout (str);
 943
 944                 // Formatted Class
 945                 AsAnyClass cls = new AsAnyClass(1,2,3, "ABC");
 946                 mono_test_asany_inout (cls);
 947                 if ((cls.i != 10) || (cls.j != 20) || (cls.k != 30))
 948                         return 1;
 949
 950                 // Boxed Struct
 951                 object obj = new AsAnyStruct(1,2,3, "ABC");
 952                 mono_test_asany_inout (obj);
 953                 str = (AsAnyStruct)obj;
 954                 if ((str.i != 10) || (str.j != 20) || (str.k != 30))
 955                         return 2;
 956
 957                 return 0;
 958         }
 959
 960         /* Byref String Array */
 961
 962         [DllImport ("libtest", EntryPoint="mono_test_marshal_byref_string_array")]
 963         public static extern int mono_test_marshal_byref_string_array (ref string[] data);
 964
 965         public static int test_0_byref_string_array () {
 966
 967                 string[] arr = null;
 968
 969                 if (mono_test_marshal_byref_string_array (ref arr) != 0)
 970                         return 1;
 971
 972                 arr = new string[] { "Alpha", "Beta", "Gamma" };
 973
 974                 if (mono_test_marshal_byref_string_array (ref arr) != 1)
 975                         return 2;
 976
 977                 /* FIXME: Test returned array and out case */
 978
 979                 return 0;
 980         }
 981
 982         /*
 983          * AMD64 small structs-by-value tests.
 984          */
 985
 986         /* TEST 1: 16 byte long INTEGER struct */
 987
 988         [StructLayout(LayoutKind.Sequential)]
 989         public struct Amd64Struct1 {
 990                 public int i;
 991                 public int j;
 992                 public int k;
 993                 public int l;
 994         }
 995
 996         [DllImport ("libtest", EntryPoint="mono_test_marshal_amd64_pass_return_struct1")]
 997         public static extern Amd64Struct1 mono_test_marshal_amd64_pass_return_struct1 (Amd64Struct1 s);
 998
 999         [DllImport ("libtest", EntryPoint="mono_test_marshal_amd64_pass_return_struct1_many_args")]
1000         public static extern Amd64Struct1 mono_test_marshal_amd64_pass_return_struct1_many_args (Amd64Struct1 s, int i1, int i2, int i3, int i4, int i5, int i6, int i7, int i8);
1001
1002         public static int test_0_amd64_struct1 () {
1003                 Amd64Struct1 s = new Amd64Struct1 ();
1004                 s.i = 5;
1005                 s.j = -5;
1006                 s.k = 0xffffff;
1007                 s.l = 0xfffffff;
1008
1009                 Amd64Struct1 s2 = mono_test_marshal_amd64_pass_return_struct1 (s);
1010
1011                 return ((s2.i == 6) && (s2.j == -4) && (s2.k == 0x1000000) && (s2.l == 0x10000000)) ? 0 : 1;
1012         }
1013
1014         public static int test_0_amd64_struct1_many_args () {
1015                 Amd64Struct1 s = new Amd64Struct1 ();
1016                 s.i = 5;
1017                 s.j = -5;
1018                 s.k = 0xffffff;
1019                 s.l = 0xfffffff;
1020
1021                 Amd64Struct1 s2 = mono_test_marshal_amd64_pass_return_struct1_many_args (s, 1, 2, 3, 4, 5, 6, 7, 8);
1022
1023                 return ((s2.i == 6) && (s2.j == -4) && (s2.k == 0x1000000) && (s2.l == 0x10000000 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8)) ? 0 : 1;
1024         }
1025
1026         /* TEST 2: 8 byte long INTEGER struct */
1027
1028         [StructLayout(LayoutKind.Sequential)]
1029         public struct Amd64Struct2 {
1030                 public int i;
1031                 public int j;
1032         }
1033
1034         [DllImport ("libtest", EntryPoint="mono_test_marshal_amd64_pass_return_struct2")]
1035         public static extern Amd64Struct2 mono_test_marshal_amd64_pass_return_struct2 (Amd64Struct2 s);
1036
1037         public static int test_0_amd64_struct2 () {
1038                 Amd64Struct2 s = new Amd64Struct2 ();
1039                 s.i = 5;
1040                 s.j = -5;
1041
1042                 Amd64Struct2 s2 = mono_test_marshal_amd64_pass_return_struct2 (s);
1043
1044                 return ((s2.i == 6) && (s2.j == -4)) ? 0 : 1;
1045         }
1046
1047         /* TEST 3: 4 byte long INTEGER struct */
1048
1049         [StructLayout(LayoutKind.Sequential)]
1050         public struct Amd64Struct3 {
1051                 public int i;
1052         }
1053
1054         [DllImport ("libtest", EntryPoint="mono_test_marshal_amd64_pass_return_struct3")]
1055         public static extern Amd64Struct3 mono_test_marshal_amd64_pass_return_struct3 (Amd64Struct3 s);
1056
1057         public static int test_0_amd64_struct3 () {
1058                 Amd64Struct3 s = new Amd64Struct3 ();
1059                 s.i = -5;
1060
1061                 Amd64Struct3 s2 = mono_test_marshal_amd64_pass_return_struct3 (s);
1062
1063                 return (s2.i == -4) ? 0 : 1;
1064         }
1065
1066         /* Test 4: 16 byte long FLOAT struct */
1067
1068         [StructLayout(LayoutKind.Sequential)]
1069         public struct Amd64Struct4 {
1070                 public double d1, d2;
1071         }
1072
1073         [DllImport ("libtest", EntryPoint="mono_test_marshal_amd64_pass_return_struct4")]
1074         public static extern Amd64Struct4 mono_test_marshal_amd64_pass_return_struct4 (Amd64Struct4 s);
1075
1076         public static int test_0_amd64_struct4 () {
1077                 Amd64Struct4 s = new Amd64Struct4 ();
1078                 s.d1 = 5.0;
1079                 s.d2 = -5.0;
1080
1081                 Amd64Struct4 s2 = mono_test_marshal_amd64_pass_return_struct4 (s);
1082
1083                 return (s2.d1 == 6.0 && s2.d2 == -4.0) ? 0 : 1;
1084         }
1085
1086         /*
1087          * IA64 struct tests
1088          */
1089
1090         /* Test 5: Float HFA */
1091
1092         [StructLayout(LayoutKind.Sequential)]
1093         public struct TestStruct5 {
1094                 public float d1, d2;
1095         }
1096
1097         [DllImport ("libtest", EntryPoint="mono_test_marshal_ia64_pass_return_struct5")]
1098         public static extern TestStruct5 mono_test_marshal_ia64_pass_return_struct5 (double d1, double d2, TestStruct5 s, int i, double f3, double f4);
1099
1100         public static int test_0_ia64_struct5 () {
1101                 TestStruct5 s = new TestStruct5 ();
1102                 s.d1 = 5.0f;
1103                 s.d2 = -5.0f;
1104
1105                 TestStruct5 s2 = mono_test_marshal_ia64_pass_return_struct5 (1.0, 2.0, s, 5, 3.0, 4.0);
1106
1107                 return (s2.d1 == 13.0 && s2.d2 == 7.0) ? 0 : 1;
1108         }
1109
1110         /* Test 6: Double HFA */
1111
1112         [StructLayout(LayoutKind.Sequential)]
1113         public struct TestStruct6 {
1114                 public double d1, d2;
1115         }
1116
1117         [DllImport ("libtest", EntryPoint="mono_test_marshal_ia64_pass_return_struct6")]
1118         public static extern TestStruct6 mono_test_marshal_ia64_pass_return_struct6 (double d1, double d2, TestStruct6 s, int i, double f3, double f4);
1119
1120         public static int test_0_ia64_struct6 () {
1121                 TestStruct6 s = new TestStruct6 ();
1122                 s.d1 = 6.0;
1123                 s.d2 = -6.0;
1124
1125                 TestStruct6 s2 = mono_test_marshal_ia64_pass_return_struct6 (1.0, 2.0, s, 3, 4.0, 5.0);
1126
1127                 return (s2.d1 == 12.0 && s2.d2 == 3.0) ? 0 : 1;
1128         }
1129
1130         /* Blittable class */
1131         [DllImport("libtest")]
1132         private static extern BlittableClass TestBlittableClass (BlittableClass vl);
1133
1134         public static int test_0_marshal_blittable_class () {
1135                 BlittableClass v1 = new BlittableClass ();
1136
1137                 /* Since it is blittable, it looks like it is passed as in/out */
1138                 BlittableClass v2 = TestBlittableClass (v1);
1139
1140                 if (v1.a != 2 || v1.b != 3)
1141                         return 1;
1142
1143                 if (v2.a != 2 || v2.b != 3)
1144                         return 2;
1145
1146                 // Test null
1147                 BlittableClass v3 = TestBlittableClass (null);
1148
1149                 if (v3.a != 42 || v3.b != 43)
1150                         return 3;
1151
1152                 return 0;
1153         }
1154
1155         /*
1156          * Generic structures
1157          */
1158
1159         [StructLayout(LayoutKind.Sequential)]
1160         public struct Amd64Struct1Gen<T> {
1161                 public T i;
1162                 public T j;
1163                 public T k;
1164                 public T l;
1165         }
1166
1167         [DllImport ("libtest", EntryPoint="mono_test_marshal_amd64_pass_return_struct1")]
1168         public static extern Amd64Struct1Gen<int> mono_test_marshal_amd64_pass_return_struct1_gen (Amd64Struct1Gen<int> s);
1169
1170         public static int test_0_amd64_struct1_gen () {
1171                 Amd64Struct1Gen<int> s = new Amd64Struct1Gen<int> ();
1172                 s.i = 5;
1173                 s.j = -5;
1174                 s.k = 0xffffff;
1175                 s.l = 0xfffffff;
1176
1177                 Amd64Struct1Gen<int> s2 = mono_test_marshal_amd64_pass_return_struct1_gen (s);
1178
1179                 return ((s2.i == 6) && (s2.j == -4) && (s2.k == 0x1000000) && (s2.l == 0x10000000)) ? 0 : 1;
1180         }
1181
1182         /*
1183          * Other tests
1184          */
1185
1186         public static int test_0_marshal_byval_class () {
1187                 SimpleObj obj0 = new SimpleObj ();
1188                 obj0.str = "T1";
1189                 obj0.i = 4;
1190
1191                 if (class_marshal_test0 (obj0) != 0)
1192                         return 1;
1193
1194                 return 0;
1195         }
1196
1197         public static int test_0_marshal_byval_class_null () {
1198                 if (class_marshal_test4 (null) != 0)
1199                         return 1;
1200
1201                 return 0;
1202         }
1203
1204         public static int test_0_marshal_out_class () {
1205                 SimpleObj obj1;
1206
1207                 class_marshal_test1 (out obj1);
1208
1209                 if (obj1.str != "ABC")
1210                         return 1;
1211
1212                 if (obj1.i != 5)
1213                         return 2;
1214
1215                 return 0;
1216         }
1217
1218         public static int test_0_marshal_string () {
1219                 return string_marshal_test0 ("TEST0");
1220         }
1221
1222         public static int test_0_marshal_out_string () {
1223                 string res;
1224
1225                 string_marshal_test1 (out res);
1226
1227                 if (res != "TEST1")
1228                         return 1;
1229
1230                 return 0;
1231         }
1232
1233         public static int test_0_marshal_byref_string () {
1234                 string res = "TEST1";
1235
1236                 return string_marshal_test2 (ref res);
1237         }
1238
1239         public static int test_0_marshal_null_string () {
1240                 return string_marshal_test3 (null);
1241         }
1242
1243         [DllImport ("libtest", EntryPoint="mono_test_stdcall_name_mangling", CallingConvention=CallingConvention.StdCall)]
1244         public static extern int mono_test_stdcall_name_mangling (int a, int b, int c);
1245
1246         public static int test_0_stdcall_name_mangling () {
1247                 return mono_test_stdcall_name_mangling (0, 1, 2) == 3 ? 0 : 1;
1248         }
1249
1250         /* Float test */
1251
1252         [DllImport ("libtest", EntryPoint="mono_test_marshal_pass_return_float")]
1253         public static extern float mono_test_marshal_pass_return_float (float f);
1254
1255         public static int test_0_pass_return_float () {
1256                 float f = mono_test_marshal_pass_return_float (1.5f);
1257
1258                 return (f == 2.5f) ? 0 : 1;
1259         }
1260
1261         /*
1262          * Pointers to structures can not be passed
1263          */
1264
1265         public struct CharInfo {
1266                 public char Character;
1267                 public short Attributes;
1268         }
1269
1270         [DllImport ("libtest", EntryPoint="mono_test_marshal_struct")]
1271         public static unsafe extern int mono_test_marshal_ptr_to_struct (CharInfo *ptr);
1272
1273         public static unsafe int test_0_marshal_ptr_to_struct () {
1274                 CharInfo [] buffer = new CharInfo [1];
1275                 fixed (CharInfo *ptr = &buffer [0]) {
1276                         try {
1277                                 mono_test_marshal_ptr_to_struct (ptr);
1278                                 return 1;
1279                         }
1280                         catch (MarshalDirectiveException) {
1281                                 return 0;
1282                         }
1283                 }
1284                 return 1;
1285         }
1286
1287         /*
1288          * LPWStr marshalling
1289          */
1290
1291         [DllImport("libtest", EntryPoint="test_lpwstr_marshal")]
1292         [return: MarshalAs(UnmanagedType.LPWStr)]
1293         private static extern string mono_test_marshal_lpwstr_marshal(
1294                 [MarshalAs(UnmanagedType.LPWStr)] string s,
1295                 int length );
1296
1297         [DllImport("libtest", EntryPoint="test_lpwstr_marshal", CharSet=CharSet.Unicode)]
1298         private static extern string mono_test_marshal_lpwstr_marshal2(
1299                 string s,
1300                 int length );
1301
1302         [DllImport("libtest", EntryPoint="test_lpwstr_marshal_out")]
1303         private static extern void mono_test_marshal_lpwstr_out_marshal(
1304                 [MarshalAs(UnmanagedType.LPWStr)] out string s);
1305
1306         [DllImport("libtest", EntryPoint="test_lpwstr_marshal_out", CharSet=CharSet.Unicode)]
1307         private static extern void mono_test_marshal_lpwstr_out_marshal2(
1308                 out string s);
1309
1310         public static int test_0_pass_return_lwpstr () {
1311                 string s;
1312
1313                 mono_test_marshal_lpwstr_out_marshal (out s);
1314
1315                 if (s != "ABC")
1316                         return 1;
1317
1318                 s = null;
1319                 mono_test_marshal_lpwstr_out_marshal2 (out s);
1320
1321                 if (s != "ABC")
1322                         return 2;
1323
1324                 return 0;
1325         }
1326
1327         public static int test_0_out_lwpstr () {
1328                 string s = "ABC";
1329
1330                 string res = mono_test_marshal_lpwstr_marshal (s, s.Length);
1331
1332                 if (res != "ABC")
1333                         return 1;
1334
1335                 string res2 = mono_test_marshal_lpwstr_marshal2 (s, s.Length);
1336
1337                 if (res2 != "ABC")
1338                         return 2;
1339
1340                 return 0;
1341         }
1342
1343         /*
1344          * Byref bool marshalling
1345          */
1346
1347         [DllImport("libtest")]
1348         extern static int marshal_test_ref_bool
1349         (
1350                 int i,
1351                 [MarshalAs(UnmanagedType.I1)] ref bool b1,
1352                 [MarshalAs(UnmanagedType.VariantBool)] ref bool b2,
1353                 ref bool b3
1354         );
1355
1356         public static int test_0_pass_byref_bool () {
1357                 for (int i = 0; i < 8; i++)
1358                 {
1359                         bool b1 = (i & 4) != 0;
1360                         bool b2 = (i & 2) != 0;
1361                         bool b3 = (i & 1) != 0;
1362                         bool orig_b1 = b1, orig_b2 = b2, orig_b3 = b3;
1363                         if (marshal_test_ref_bool(i, ref b1, ref b2, ref b3) != 0)
1364                                 return 4 * i + 1;
1365                         if (b1 != !orig_b1)
1366                                 return 4 * i + 2;
1367                         if (b2 != !orig_b2)
1368                                 return 4 * i + 3;
1369                         if (b3 != !orig_b3)
1370                                 return 4 * i + 4;
1371                 }
1372
1373                 return 0;
1374         }
1375
1376         /*
1377          * Bool struct field marshalling
1378          */
1379
1380         struct BoolStruct
1381         {
1382                 public int i;
1383                 [MarshalAs(UnmanagedType.I1)] public bool b1;
1384                 [MarshalAs(UnmanagedType.VariantBool)] public bool b2;
1385                 public bool b3;
1386         }
1387
1388         [DllImport("libtest")]
1389         extern static int marshal_test_bool_struct(ref BoolStruct s);
1390
1391         public static int test_0_pass_bool_in_struct () {
1392                 for (int i = 0; i < 8; i++)
1393                 {
1394                         BoolStruct s = new BoolStruct();
1395                         s.i = i;
1396                         s.b1 = (i & 4) != 0;
1397                         s.b2 = (i & 2) != 0;
1398                         s.b3 = (i & 1) != 0;
1399                         BoolStruct orig = s;
1400                         if (marshal_test_bool_struct(ref s) != 0)
1401                                 return 4 * i + 33;
1402                         if (s.b1 != !orig.b1)
1403                                 return 4 * i + 34;
1404                         if (s.b2 != !orig.b2)
1405                                 return 4 * i + 35;
1406                         if (s.b3 != !orig.b3)
1407                                 return 4 * i + 36;
1408                 }
1409
1410                 return 0;
1411         }
1412
1413         /*
1414          * Alignment of structs containing longs
1415          */
1416
1417         struct LongStruct2 {
1418                 public long l;
1419         }
1420
1421         struct LongStruct {
1422                 public int i;
1423                 public LongStruct2 l;
1424         }
1425
1426         [DllImport("libtest")]
1427         extern static int mono_test_marshal_long_struct (ref LongStruct s);
1428
1429         public static int test_47_pass_long_struct () {
1430                 LongStruct s = new LongStruct ();
1431                 s.i = 5;
1432                 s.l = new LongStruct2 ();
1433                 s.l.l = 42;
1434
1435                 return mono_test_marshal_long_struct (ref s);
1436         }
1437
1438         /*
1439          * Invoking pinvoke methods through delegates
1440          */
1441
1442         delegate int MyDelegate (string name);
1443
1444         [DllImport ("libtest", EntryPoint="mono_test_puts_static")]
1445         public static extern int puts_static (string name);
1446
1447         public static int test_0_invoke_pinvoke_through_delegate () {
1448                 puts_static ("A simple Test for PInvoke 1");
1449
1450                 MyDelegate d = new MyDelegate (puts_static);
1451                 d ("A simple Test for PInvoke 2");
1452
1453                 object [] args = {"A simple Test for PInvoke 3"};
1454                 d.DynamicInvoke (args);
1455
1456                 return 0;
1457         }
1458
1459         /*
1460          * Missing virtual pinvoke methods
1461          */
1462
1463         public class T {
1464
1465                 public virtual object MyClone ()
1466                 {
1467                         return null;
1468                 }
1469         }
1470
1471         public class T2 : T {
1472                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
1473                 public override extern object MyClone ();
1474         }
1475
1476         public static int test_0_missing_virtual_pinvoke_method () {
1477                 T2 t = new T2 ();
1478
1479                 try {
1480                         t.MyClone ();
1481                 } catch (Exception ex) {
1482                         return 0;
1483                 }
1484
1485                 return 1;
1486         }
1487 }
1488