mcs/class/corlib/Test/System.Reflection.Emit/MethodOnTypeBuilderInstTest.cs

   1 //
   2 // MethodOnTypeBuilderInstTest - NUnit Test Cases for MethodOnTypeBuilderInst
   3 //
   4 // Author:
   5 //   Gert Driesen (drieseng@users.sourceforge.net)
   6 //
   7 // Copyright (C) 2008 Gert Driesen
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 #if NET_2_0
  30
  31 using System;
  32 using System.Globalization;
  33 using System.IO;
  34 using System.Reflection;
  35 using System.Reflection.Emit;
  36
  37 using NUnit.Framework;
  38
  39 namespace MonoTests.System.Reflection.Emit
  40 {
  41         [TestFixture]
  42         public class MethodOnTypeBuilderInstTest
  43         {
  44                 private static string ASSEMBLY_NAME = "MonoTests.System.Reflection.Emit.MethodOnTypeBuilderInstTest";
  45
  46                 private AssemblyBuilder assembly;
  47                 private ModuleBuilder module;
  48                 private MethodBuilder mb_create;
  49                 private MethodBuilder mb_edit;
  50                 private Type typeBarOfT;
  51                 private Type typeBarOfInt32;
  52                 private MethodInfo method_create;
  53                 private MethodInfo method_edit;
  54                 private TypeBuilder typeBuilder;
  55                 private GenericTypeParameterBuilder[] typeParams;
  56
  57
  58                 [SetUp]
  59                 public void SetUp ()
  60                 {
  61                         SetUp (AssemblyBuilderAccess.RunAndSave);
  62                 }
  63
  64                 void SetUp (AssemblyBuilderAccess access)
  65                 {
  66                         AssemblyName assemblyName = new AssemblyName ();
  67                         assemblyName.Name = ASSEMBLY_NAME;
  68
  69                         assembly = AppDomain.CurrentDomain.DefineDynamicAssembly (
  70                                 assemblyName, access,
  71                                 Path.GetTempPath ());
  72
  73                         module = assembly.DefineDynamicModule ("module1");
  74
  75                         TypeBuilder tb = typeBuilder = module.DefineType ("Bar");
  76                         typeParams = tb.DefineGenericParameters ("T");
  77
  78                         ConstructorBuilder cb = tb.DefineConstructor (MethodAttributes.Public, CallingConventions.Standard, Type.EmptyTypes);
  79                         ILGenerator ig = cb.GetILGenerator ();
  80                         ig.Emit (OpCodes.Ret);
  81
  82                         typeBarOfT = tb.MakeGenericType (typeParams [0]);
  83
  84                         mb_create = tb.DefineMethod ("create",
  85                                 MethodAttributes.Public | MethodAttributes.Static,
  86                                 typeBarOfT, Type.EmptyTypes);
  87                         ig = mb_create.GetILGenerator ();
  88                         ig.Emit (OpCodes.Newobj, TypeBuilder.GetConstructor (
  89                                 typeBarOfT, cb));
  90                         ig.Emit (OpCodes.Ret);
  91
  92                         mb_edit = tb.DefineMethod ("edit",
  93                                 MethodAttributes.Public | MethodAttributes.Static,
  94                                 typeBarOfT, Type.EmptyTypes);
  95                         ig = mb_edit.GetILGenerator ();
  96                         ig.Emit (OpCodes.Newobj, TypeBuilder.GetConstructor (
  97                                 typeBarOfT, cb));
  98                         ig.Emit (OpCodes.Ret);
  99                         mb_edit.SetParameters (mb_edit.DefineGenericParameters ("X"));
 100
 101                         typeBarOfInt32 = tb.MakeGenericType (typeof (int));
 102
 103                         method_create = TypeBuilder.GetMethod (typeBarOfInt32, mb_create);
 104                         method_edit = TypeBuilder.GetMethod (typeBarOfInt32, mb_edit);
 105                 }
 106
 107                 [Test]
 108                 public void Attributes ()
 109                 {
 110                         MethodAttributes attrs;
 111
 112                         attrs = method_create.Attributes;
 113                         Assert.AreEqual (MethodAttributes.PrivateScope |
 114                                 MethodAttributes.Public | MethodAttributes.Static,
 115                                 attrs, "#1");
 116                         attrs = method_edit.Attributes;
 117                         Assert.AreEqual (MethodAttributes.PrivateScope |
 118                                 MethodAttributes.Public | MethodAttributes.Static,
 119                                 attrs, "#2");
 120                 }
 121
 122                 [Test]
 123                 public void CallingConvention ()
 124                 {
 125                         CallingConventions conv;
 126
 127                         conv = method_create.CallingConvention;
 128                         Assert.AreEqual (CallingConventions.Standard, conv, "#1");
 129                         conv = method_edit.CallingConvention;
 130                         Assert.AreEqual (CallingConventions.Standard, conv, "#2");
 131                 }
 132
 133                 [Test]
 134                 [Category ("NotWorking")]
 135                 public void ContainsGenericParameters ()
 136                 {
 137                         try {
 138                                 bool genparam = method_create.ContainsGenericParameters;
 139                                 Assert.Fail ("#A1:" + genparam);
 140                         } catch (NotSupportedException ex) {
 141                                 // Specified method is not supported
 142                                 Assert.AreEqual (typeof (NotSupportedException), ex.GetType (), "#A2");
 143                                 Assert.IsNull (ex.InnerException, "#A3");
 144                                 Assert.IsNotNull (ex.Message, "#A4");
 145                         }
 146
 147                         try {
 148                                 bool genparam = method_edit.ContainsGenericParameters;
 149                                 Assert.Fail ("#B1:" + genparam);
 150                         } catch (NotSupportedException ex) {
 151                                 // Specified method is not supported
 152                                 Assert.AreEqual (typeof (NotSupportedException), ex.GetType (), "#B2");
 153                                 Assert.IsNull (ex.InnerException, "#B3");
 154                                 Assert.IsNotNull (ex.Message, "#B4");
 155                         }
 156                 }
 157
 158                 [Test]
 159                 public void DeclaringType ()
 160                 {
 161                         Assert.AreSame (typeBarOfInt32, method_create.DeclaringType, "#1");
 162                         Assert.AreSame (typeBarOfInt32, method_edit.DeclaringType, "#2");
 163                 }
 164
 165                 [Test]
 166                 [Category ("NotWorking")]
 167                 public void GetBaseDefinition ()
 168                 {
 169                         try {
 170                                 method_create.GetBaseDefinition ();
 171                                 Assert.Fail ("#A1");
 172                         } catch (NotSupportedException ex) {
 173                                 // Specified method is not supported
 174                                 Assert.AreEqual (typeof (NotSupportedException), ex.GetType (), "#A2");
 175                                 Assert.IsNull (ex.InnerException, "#A3");
 176                                 Assert.IsNotNull (ex.Message, "#A4");
 177                         }
 178
 179                         try {
 180                                 method_edit.GetBaseDefinition ();
 181                                 Assert.Fail ("#B1");
 182                         } catch (NotSupportedException ex) {
 183                                 // Specified method is not supported
 184                                 Assert.AreEqual (typeof (NotSupportedException), ex.GetType (), "#B2");
 185                                 Assert.IsNull (ex.InnerException, "#B3");
 186                                 Assert.IsNotNull (ex.Message, "#B4");
 187                         }
 188                 }
 189
 190                 [Test] // GetCustomAttributes (Boolean)
 191                 [Category ("NotWorking")]
 192                 public void GetCustomAttributes1 ()
 193                 {
 194                         try {
 195                                 method_create.GetCustomAttributes (false);
 196                                 Assert.Fail ("#A1");
 197                         } catch (NotSupportedException ex) {
 198                                 // The invoked member is not supported in a dynamic module
 199                                 Assert.AreEqual (typeof (NotSupportedException), ex.GetType (), "#A2");
 200                                 Assert.IsNull (ex.InnerException, "#A3");
 201                                 Assert.IsNotNull (ex.Message, "#A4");
 202                         }
 203
 204                         try {
 205                                 method_edit.GetCustomAttributes (false);
 206                                 Assert.Fail ("#B1");
 207                         } catch (NotSupportedException ex) {
 208                                 // The invoked member is not supported in a dynamic module
 209                                 Assert.AreEqual (typeof (NotSupportedException), ex.GetType (), "#B2");
 210                                 Assert.IsNull (ex.InnerException, "#B3");
 211                                 Assert.IsNotNull (ex.Message, "#B4");
 212                         }
 213                 }
 214
 215                 [Test] // GetCustomAttributes (Type, Boolean)
 216                 [Category ("NotWorking")]
 217                 public void GetCustomAttributes2 ()
 218                 {
 219                         try {
 220                                 method_create.GetCustomAttributes (typeof (FlagsAttribute), false);
 221                                 Assert.Fail ("#A1");
 222                         } catch (NotSupportedException ex) {
 223                                 // The invoked member is not supported in a dynamic module
 224                                 Assert.AreEqual (typeof (NotSupportedException), ex.GetType (), "#A2");
 225                                 Assert.IsNull (ex.InnerException, "#A3");
 226                                 Assert.IsNotNull (ex.Message, "#A4");
 227                         }
 228
 229                         try {
 230                                 method_edit.GetCustomAttributes (typeof (FlagsAttribute), false);
 231                                 Assert.Fail ("#B1");
 232                         } catch (NotSupportedException ex) {
 233                                 // The invoked member is not supported in a dynamic module
 234                                 Assert.AreEqual (typeof (NotSupportedException), ex.GetType (), "#B2");
 235                                 Assert.IsNull (ex.InnerException, "#B3");
 236                                 Assert.IsNotNull (ex.Message, "#B4");
 237                         }
 238                 }
 239
 240                 [Test]
 241                 [Category ("NotWorking")]
 242                 public void GetGenericArguments ()
 243                 {
 244                         Type [] args;
 245
 246                         args = method_create.GetGenericArguments ();
 247                         Assert.IsNull (args, "#A");
 248
 249                         args = method_edit.GetGenericArguments ();
 250                         Assert.IsNotNull (args, "#B1");
 251                         Assert.AreEqual (1, args.Length, "#B2");
 252                         Assert.AreEqual ("X", args [0].Name, "#B3");
 253                 }
 254
 255                 [Test]
 256                 [Category ("NotWorking")]
 257                 public void GetGenericMethodDefinition ()
 258                 {
 259                         MethodInfo method_def;
 260
 261                         method_def = method_create.GetGenericMethodDefinition ();
 262                         Assert.IsNotNull (method_def, "#A1");
 263                         Assert.AreSame (mb_create, method_def, "#A2");
 264
 265                         method_def = method_edit.GetGenericMethodDefinition ();
 266                         Assert.IsNotNull (method_def, "#B1");
 267                         Assert.AreSame (mb_edit, method_def, "#B2");
 268                 }
 269
 270                 [Test]
 271                 public void GetMethodImplementationFlags ()
 272                 {
 273                         MethodImplAttributes flags;
 274
 275                         flags = method_create.GetMethodImplementationFlags ();
 276                         Assert.AreEqual (MethodImplAttributes.Managed, flags, "#1");
 277                         flags = method_edit.GetMethodImplementationFlags ();
 278                         Assert.AreEqual (MethodImplAttributes.Managed, flags, "#2");
 279                 }
 280
 281                 [Test]
 282                 [Category ("NotWorking")]
 283                 public void GetParameters ()
 284                 {
 285                         try {
 286                                 method_create.GetParameters ();
 287                                 Assert.Fail ("#A1");
 288                         } catch (NotSupportedException ex) {
 289                                 // Type has not been created
 290                                 Assert.AreEqual (typeof (NotSupportedException), ex.GetType (), "#A2");
 291                                 Assert.IsNull (ex.InnerException, "#A3");
 292                                 Assert.IsNotNull (ex.Message, "#A4");
 293                         }
 294
 295                         try {
 296                                 method_edit.GetParameters ();
 297                                 Assert.Fail ("#B1");
 298                         } catch (NotSupportedException ex) {
 299                                 // Type has not been created
 300                                 Assert.AreEqual (typeof (NotSupportedException), ex.GetType (), "#B2");
 301                                 Assert.IsNull (ex.InnerException, "#B3");
 302                                 Assert.IsNotNull (ex.Message, "#B4");
 303                         }
 304                 }
 305
 306                 [Test]
 307                 [Category ("NotWorking")]
 308                 public void Invoke ()
 309                 {
 310                         try {
 311                                 method_create.Invoke (null, BindingFlags.Default, null,
 312                                         new object [0], CultureInfo.InvariantCulture);
 313                                 Assert.Fail ("#A1");
 314                         } catch (NotSupportedException ex) {
 315                                 // Specified method is not supported
 316                                 Assert.AreEqual (typeof (NotSupportedException), ex.GetType (), "#A2");
 317                                 Assert.IsNull (ex.InnerException, "#A3");
 318                                 Assert.IsNotNull (ex.Message, "#A4");
 319                         }
 320
 321                         try {
 322                                 method_edit.Invoke (null, BindingFlags.Default, null,
 323                                         new object [0], CultureInfo.InvariantCulture);
 324                                 Assert.Fail ("#B1");
 325                         } catch (NotSupportedException ex) {
 326                                 // Specified method is not supported
 327                                 Assert.AreEqual (typeof (NotSupportedException), ex.GetType (), "#B2");
 328                                 Assert.IsNull (ex.InnerException, "#B3");
 329                                 Assert.IsNotNull (ex.Message, "#B4");
 330                         }
 331                 }
 332
 333                 [Test]
 334                 [Category ("NotWorking")]
 335                 public void IsDefined ()
 336                 {
 337                         try {
 338                                 method_create.IsDefined (typeof (FlagsAttribute), false);
 339                                 Assert.Fail ("#A1");
 340                         } catch (NotSupportedException ex) {
 341                                 // The invoked member is not supported in a dynamic module
 342                                 Assert.AreEqual (typeof (NotSupportedException), ex.GetType (), "#A2");
 343                                 Assert.IsNull (ex.InnerException, "#A3");
 344                                 Assert.IsNotNull (ex.Message, "#A4");
 345                         }
 346
 347                         try {
 348                                 method_edit.IsDefined (typeof (FlagsAttribute), false);
 349                                 Assert.Fail ("#B1");
 350                         } catch (NotSupportedException ex) {
 351                                 // The invoked member is not supported in a dynamic module
 352                                 Assert.AreEqual (typeof (NotSupportedException), ex.GetType (), "#B2");
 353                                 Assert.IsNull (ex.InnerException, "#B3");
 354                                 Assert.IsNotNull (ex.Message, "#B4");
 355                         }
 356                 }
 357
 358                 [Test]
 359                 public void IsGenericMethodDefinition ()
 360                 {
 361                         Assert.IsFalse (method_create.IsGenericMethodDefinition, "#1");
 362                         Assert.IsTrue (method_edit.IsGenericMethodDefinition, "#2");
 363                 }
 364
 365                 [Test]
 366                 public void IsGenericMethod ()
 367                 {
 368                         Assert.IsFalse (method_create.IsGenericMethod, "#1");
 369                         Assert.IsTrue (method_edit.IsGenericMethod, "#2");
 370                 }
 371
 372                 [Test]
 373                 [Category ("NotWorking")]
 374                 public void MakeGenericMethod ()
 375                 {
 376                         try {
 377                                 method_create.MakeGenericMethod (typeof (int));
 378                                 Assert.Fail ("#A1");
 379                         } catch (InvalidOperationException ex) {
 380                                 // create is not a GenericMethodDefinition.
 381                                 // MakeGenericMethod may only be called on a
 382                                 // method for which MethodBase.IsGenericMethodDefinition
 383                                 // is true
 384                                 Assert.AreEqual (typeof (InvalidOperationException), ex.GetType (), "#A2");
 385                                 Assert.IsNull (ex.InnerException, "#A3");
 386                                 Assert.IsNotNull (ex.Message, "#A4");
 387                         }
 388
 389                         MethodInfo genEdit = method_edit.MakeGenericMethod (typeof (int));
 390                         Assert.IsFalse (genEdit.ContainsGenericParameters, "#B1");
 391                         Assert.IsTrue (genEdit.IsGenericMethod, "#B2");
 392                         Assert.IsFalse (genEdit.IsGenericMethodDefinition, "#B3");
 393                 }
 394
 395                 [Test]
 396                 public void MemberType ()
 397                 {
 398                         Assert.AreEqual (MemberTypes.Method, method_create.MemberType, "#1");
 399                         Assert.AreEqual (MemberTypes.Method, method_edit.MemberType, "#2");
 400                 }
 401
 402                 [Test]
 403                 [Category ("NotWorking")]
 404                 public void MethodHandle ()
 405                 {
 406                         try {
 407                                 RuntimeMethodHandle handle = method_create.MethodHandle;
 408                                 Assert.Fail ("#A1:" + handle);
 409                         } catch (NotSupportedException ex) {
 410                                 // The invoked member is not supported in a dynamic module
 411                                 Assert.AreEqual (typeof (NotSupportedException), ex.GetType (), "#A2");
 412                                 Assert.IsNull (ex.InnerException, "#A3");
 413                                 Assert.IsNotNull (ex.Message, "#A4");
 414                         }
 415
 416                         try {
 417                                 RuntimeMethodHandle handle = method_edit.MethodHandle;
 418                                 Assert.Fail ("#B1:" + handle);
 419                         } catch (NotSupportedException ex) {
 420                                 // The invoked member is not supported in a dynamic module
 421                                 Assert.AreEqual (typeof (NotSupportedException), ex.GetType (), "#B2");
 422                                 Assert.IsNull (ex.InnerException, "#B3");
 423                                 Assert.IsNotNull (ex.Message, "#B4");
 424                         }
 425                 }
 426
 427                 [Test]
 428                 public void Module ()
 429                 {
 430                         Assert.AreSame (module, method_create.Module, "#1");
 431                         Assert.AreSame (module, method_edit.Module, "#2");
 432                 }
 433
 434                 [Test]
 435                 public void Name ()
 436                 {
 437                         Assert.AreEqual ("create", method_create.Name, "#1");
 438                         Assert.AreEqual ("edit", method_edit.Name, "#2");
 439                 }
 440
 441                 [Test]
 442                 public void ReflectedType ()
 443                 {
 444                         Assert.AreSame (typeBarOfInt32, method_create.ReflectedType, "#1");
 445                         Assert.AreSame (typeBarOfInt32, method_edit.ReflectedType, "#2");
 446                 }
 447
 448                 [Test]
 449                 public void ReturnParameter ()
 450                 {
 451                         try {
 452                                 ParameterInfo ret = method_create.ReturnParameter;
 453                                 Assert.Fail ("#A1:" + (ret != null));
 454                         } catch (NotSupportedException ex) {
 455                                 // Specified method is not supported
 456                                 Assert.AreEqual (typeof (NotSupportedException), ex.GetType (), "#A2");
 457                                 Assert.IsNull (ex.InnerException, "#A3");
 458                                 Assert.IsNotNull (ex.Message, "#A4");
 459                         }
 460
 461                         try {
 462                                 ParameterInfo ret = method_create.ReturnParameter;
 463                                 Assert.Fail ("#B1:" + (ret != null));
 464                         } catch (NotSupportedException ex) {
 465                                 // Specified method is not supported
 466                                 Assert.AreEqual (typeof (NotSupportedException), ex.GetType (), "#B2");
 467                                 Assert.IsNull (ex.InnerException, "#B3");
 468                                 Assert.IsNotNull (ex.Message, "#B4");
 469                         }
 470                 }
 471
 472                 [Test]
 473                 [Category ("NotWorking")]
 474                 public void ReturnType ()
 475                 {
 476                         Type ret;
 477
 478                         ret = method_create.ReturnType;
 479                         Assert.AreSame (typeBarOfT, ret, "#1");
 480                         ret = method_edit.ReturnType;
 481                         Assert.AreSame (typeBarOfT, ret, "#2");
 482                 }
 483
 484                 [Test]
 485                 [Category ("NotWorking")]
 486                 public void ReturnTypeCustomAttributes ()
 487                 {
 488                         try {
 489                                 ICustomAttributeProvider attr_prov = method_create.ReturnTypeCustomAttributes;
 490                                 Assert.Fail ("#A1:" + (attr_prov != null));
 491                         } catch (NotSupportedException ex) {
 492                                 // Specified method is not supported
 493                                 Assert.AreEqual (typeof (NotSupportedException), ex.GetType (), "#A2");
 494                                 Assert.IsNull (ex.InnerException, "#A3");
 495                                 Assert.IsNotNull (ex.Message, "#A4");
 496                         }
 497
 498                         try {
 499                                 ICustomAttributeProvider attr_prov = method_edit.ReturnTypeCustomAttributes;
 500                                 Assert.Fail ("#B1:" + (attr_prov != null));
 501                         } catch (NotSupportedException ex) {
 502                                 // Specified method is not supported
 503                                 Assert.AreEqual (typeof (NotSupportedException), ex.GetType (), "#B2");
 504                                 Assert.IsNull (ex.InnerException, "#B3");
 505                                 Assert.IsNotNull (ex.Message, "#B4");
 506                         }
 507                 }
 508
 509                 public class GenericType<T> {
 510                 }
 511
 512                 [Test]
 513                 [Category ("NotDotNet")]
 514                 public void MetadataTokenWorksUnderCompilerContext  ()
 515                 {
 516                         SetUp (AssemblyBuilderAccess.RunAndSave | (AssemblyBuilderAccess)0x800);
 517                         int mb_token = mb_create.MetadataToken;
 518                         int inst_token = method_create.MetadataToken;
 519                         Assert.AreEqual (mb_token, inst_token, "#1");
 520                 }
 521
 522                 [Test]
 523                 [Category ("NotDotNet")] //bug #412965
 524                 public void NullReturnTypeWorksUnderCompilerContext  ()
 525                 {
 526                         SetUp (AssemblyBuilderAccess.RunAndSave | (AssemblyBuilderAccess)0x800);
 527
 528                         Type oldGinst = typeBuilder.MakeGenericType (typeof (double));
 529                         TypeBuilder.GetMethod (oldGinst, mb_create); //cause it to be inflated
 530
 531                         MethodBuilder method_0 = typeBuilder.DefineMethod ("_0", MethodAttributes.Public, typeParams [0], Type.EmptyTypes);
 532                         method_0.SetReturnType (null);
 533
 534                         Type newGinst = typeBuilder.MakeGenericType (typeof (float));
 535
 536                         MethodInfo new_method_0 = TypeBuilder.GetMethod (newGinst, method_0);
 537
 538                         Assert.AreEqual (null, new_method_0.ReturnType, "O#1");
 539                 }
 540
 541                 [Test]
 542                 [Category ("NotDotNet")]
 543                 public void ReturnTypeWorksUnderCompilerContext  ()
 544                 {
 545                         SetUp (AssemblyBuilderAccess.RunAndSave | (AssemblyBuilderAccess)0x800);
 546
 547                         Type oldGinst = typeBuilder.MakeGenericType (typeof (double));
 548                         TypeBuilder.GetMethod (oldGinst, mb_create); //cause it to be inflated
 549
 550                         MethodBuilder method_0 = typeBuilder.DefineMethod ("_0", MethodAttributes.Public, typeParams [0], Type.EmptyTypes);
 551                         MethodBuilder method_1 = typeBuilder.DefineMethod ("_1", MethodAttributes.Public, typeof (GenericType<>).MakeGenericType (typeParams [0]), Type.EmptyTypes);
 552
 553                         Type newGinst = typeBuilder.MakeGenericType (typeof (float));
 554
 555                         MethodInfo old_method_0 = TypeBuilder.GetMethod (oldGinst, method_0);
 556                         MethodInfo new_method_0 = TypeBuilder.GetMethod (newGinst, method_0);
 557
 558                         MethodInfo old_method_1 = TypeBuilder.GetMethod (oldGinst, method_1);
 559                         MethodInfo new_method_1 = TypeBuilder.GetMethod (newGinst, method_1);
 560
 561                         Assert.AreEqual (typeof (double), old_method_0.ReturnType, "O#1");
 562                         Assert.AreEqual (typeof (float), new_method_0.ReturnType, "N#1");
 563
 564                         Assert.AreEqual (typeof (GenericType <double>), old_method_1.ReturnType, "O#1");
 565                         Assert.AreEqual (typeof (GenericType <float>), new_method_1.ReturnType, "N#1");
 566                 }
 567
 568                 [Test]
 569                 [Category ("NotDotNet")]
 570                 public void GetParametersWorksUnderCompilerContext  ()
 571                 {
 572                         SetUp (AssemblyBuilderAccess.RunAndSave | (AssemblyBuilderAccess)0x800);
 573
 574                         Type oldGinst = typeBuilder.MakeGenericType (typeof (double));
 575                         TypeBuilder.GetMethod (oldGinst, mb_create); //cause it to be inflated
 576
 577                         MethodBuilder target_method = typeBuilder.DefineMethod ("_1", MethodAttributes.Public, typeof (void),
 578                         new Type[] {
 579                                 typeof (int),
 580                                 typeParams [0],
 581                                 typeParams [0].MakeArrayType (),
 582                                 typeParams [0].MakePointerType (),
 583                                 typeParams [0].MakeByRefType (),
 584                                 typeof (GenericType<>).MakeGenericType (typeParams [0]),
 585                                 typeof (GenericType<>).MakeGenericType (typeof (GenericType<>).MakeGenericType (typeParams [0]))});
 586
 587
 588                         Type newGinst = typeBuilder.MakeGenericType (typeof (float));
 589
 590                         MethodInfo old_method = TypeBuilder.GetMethod (oldGinst, target_method);
 591                         MethodInfo new_method = TypeBuilder.GetMethod (newGinst, target_method);
 592                         ParameterInfo[] old_params = old_method.GetParameters ();
 593                         ParameterInfo[] new_params = new_method.GetParameters ();
 594
 595                         Assert.AreEqual (typeof (int), old_params [0].ParameterType, "O#1");
 596                         Assert.AreEqual (typeof (double), old_params [1].ParameterType, "O#2");
 597                         Assert.AreEqual (typeof (double).MakeArrayType (), old_params [2].ParameterType, "O#3");
 598
 599                         Assert.AreEqual (typeof (double).MakePointerType (), old_params [3].ParameterType, "O#4");
 600
 601                         Assert.AreEqual (typeof (double).MakeByRefType (), old_params [4].ParameterType, "O#5");
 602                         Assert.AreEqual (typeof (GenericType <double>), old_params [5].ParameterType, "O#6");
 603                         Assert.AreEqual (typeof (GenericType <GenericType<double>>), old_params [6].ParameterType, "O#7");
 604
 605                         Assert.AreEqual (typeof (int), new_params [0].ParameterType, "N#1");
 606                         Assert.AreEqual (typeof (float), new_params [1].ParameterType, "N#2");
 607                         Assert.AreEqual (typeof (float).MakeArrayType (), new_params [2].ParameterType, "N#3");
 608
 609                         Assert.AreEqual (typeof (float).MakePointerType (), new_params [3].ParameterType, "N#4");
 610
 611                         Assert.AreEqual (typeof (float).MakeByRefType (), new_params [4].ParameterType, "N#5");
 612                         Assert.AreEqual (typeof (GenericType <float>), new_params [5].ParameterType, "N#6");
 613                         Assert.AreEqual (typeof (GenericType <GenericType<float>>), new_params [6].ParameterType, "N#7");
 614                 }
 615
 616                 [Test]
 617                 public void GenericMethodInstanceValues ()
 618                 {
 619                         var tb = module.DefineType ("foo.type");
 620                         var gparam = tb.DefineGenericParameters ("T") [0];
 621
 622                         var mb0 = tb.DefineMethod ("str2", MethodAttributes.Public | MethodAttributes.Static, typeof (object), new Type[] { gparam, gparam.MakeArrayType () });
 623
 624                         var mb = tb.DefineMethod ("str", MethodAttributes.Public | MethodAttributes.Static, typeof (object), new Type [0]);
 625                         var mparam = mb.DefineGenericParameters ("K") [0];
 626                         mb.SetReturnType (mparam);
 627                         mb.SetParameters (new Type[] { mparam, mparam.MakeArrayType () });
 628
 629                         var ginst = tb.MakeGenericType (typeof (double));
 630                         var gmd = TypeBuilder.GetMethod (ginst, mb);
 631                         var minst = gmd.MakeGenericMethod (typeof (int));
 632
 633                         var mmb = TypeBuilder.GetMethod (ginst, mb0);
 634
 635                         Assert.IsNull (mmb.GetGenericArguments (), "#1");
 636                         Assert.AreEqual (1, gmd.GetGenericArguments ().Length, "#2");
 637                         Assert.AreEqual (1, minst.GetGenericArguments ().Length, "#3");
 638                         Assert.AreEqual (typeof (int), minst.GetGenericArguments () [0], "#4");
 639
 640                         try {
 641                                 var x = mmb.ContainsGenericParameters;
 642                                 Assert.Fail ("#5");
 643                         } catch (NotSupportedException) { }
 644
 645                         Assert.IsTrue (gmd.IsGenericMethodDefinition, "#6");
 646                         Assert.IsFalse (minst.IsGenericMethodDefinition, "#7");
 647
 648                         Assert.IsFalse (mmb.IsGenericMethod, "#8");
 649                         Assert.IsTrue (gmd.IsGenericMethod, "#9");
 650                         Assert.IsTrue (minst.IsGenericMethod, "#10");
 651
 652                         Assert.AreEqual (mb0, mmb.GetGenericMethodDefinition (), "#11");
 653                         Assert.AreEqual (mb, gmd.GetGenericMethodDefinition (), "#12");
 654                         Assert.AreEqual (gmd, minst.GetGenericMethodDefinition (), "#13");
 655                 }
 656
 657                 [Test]
 658                 [Category ("NotDotNet")]
 659                 public void GenericMethodInstanceValuesUnderCompilerContext ()
 660                 {
 661                         SetUp (AssemblyBuilderAccess.RunAndSave | (AssemblyBuilderAccess)0x800);
 662
 663                         var tb = module.DefineType ("foo.type");
 664                         var gparam = tb.DefineGenericParameters ("T") [0];
 665
 666                         var mb0 = tb.DefineMethod ("str2", MethodAttributes.Public | MethodAttributes.Static, typeof (object), new Type[] { gparam, gparam.MakeArrayType () });
 667
 668                         var mb = tb.DefineMethod ("str", MethodAttributes.Public | MethodAttributes.Static, typeof (object), new Type [0]);
 669                         var mparam = mb.DefineGenericParameters ("K") [0];
 670                         mb.SetReturnType (mparam);
 671                         mb.SetParameters (new Type[] { mparam, mparam.MakeArrayType () });
 672
 673                         var ginst = tb.MakeGenericType (typeof (double));
 674                         var gmd = TypeBuilder.GetMethod (ginst, mb);
 675                         var minst = gmd.MakeGenericMethod (typeof (int));
 676
 677                         var mmb = TypeBuilder.GetMethod (ginst, mb0);
 678
 679                         Assert.AreEqual (mparam, gmd.ReturnType, "#1");
 680                         Assert.AreEqual (typeof (int), minst.ReturnType, "#2");
 681
 682                         Assert.AreEqual (mparam, gmd.GetParameters ()[0].ParameterType, "#3");
 683                         Assert.IsTrue (gmd.GetParameters ()[1].ParameterType.IsArray, "#4");
 684                         Assert.AreEqual (typeof (int), minst.GetParameters ()[0].ParameterType, "#5");
 685                         Assert.AreEqual (typeof (int[]), minst.GetParameters ()[1].ParameterType, "#6");
 686                 }
 687         }
 688 }
 689
 690 #endif