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

   1 //
   2 // ModuleBuilderTest - NUnit Test Cases for the ModuleBuilder class
   3 //
   4 // Zoltan Varga (vargaz@freemail.hu)
   5 //
   6 // (C) Ximian, Inc.  http://www.ximian.com
   7 //
   8 //
   9
  10
  11 using System;
  12 using System.Threading;
  13 using System.Reflection;
  14 using System.Reflection.Emit;
  15 using System.IO;
  16 using System.Collections;
  17 using System.Diagnostics.SymbolStore;
  18 using System.Runtime.InteropServices;
  19
  20 using NUnit.Framework;
  21
  22 namespace MonoTests.System.Reflection.Emit
  23 {
  24         [TestFixture]
  25         public class ModuleBuilderTest
  26         {
  27                 static string tempDir = Path.Combine (Path.GetTempPath (), typeof (ModuleBuilderTest).FullName);
  28                 static int nameIndex = 0;
  29
  30                 [SetUp]
  31                 public void SetUp ()
  32                 {
  33                         Random AutoRand = new Random ();
  34                         string basePath = tempDir;
  35                         while (Directory.Exists (tempDir))
  36                                 tempDir = Path.Combine (basePath, AutoRand.Next ().ToString ());
  37                         Directory.CreateDirectory (tempDir);
  38                 }
  39
  40                 [TearDown]
  41                 public void TearDown ()
  42                 {
  43                         try {
  44                                 // This throws an exception under MS.NET, since the directory contains loaded
  45                                 // assemblies.
  46                                 Directory.Delete (tempDir, true);
  47                         } catch (Exception) {
  48                         }
  49                 }
  50
  51                 private AssemblyName genAssemblyName ()
  52                 {
  53                         AssemblyName assemblyName = new AssemblyName();
  54                         assemblyName.Name = typeof (ModuleBuilderTest).FullName + (nameIndex ++);
  55                         return assemblyName;
  56                 }
  57
  58                 private AssemblyBuilder genAssembly ()
  59                 {
  60                         return Thread.GetDomain ().DefineDynamicAssembly (genAssemblyName (),
  61                                                                                                                           AssemblyBuilderAccess.RunAndSave,
  62                                                                                                                           tempDir);
  63                 }
  64
  65                 [Test]
  66                 public void TestIsTransient ()
  67                 {
  68                         AssemblyBuilder ab = genAssembly ();
  69                         ModuleBuilder mb1 = ab.DefineDynamicModule ("foo.dll");
  70                         Assert.IsTrue (mb1.IsTransient (), "#1");
  71                         ModuleBuilder mb2 = ab.DefineDynamicModule ("foo2.dll", "foo2.dll");
  72                         Assert.IsFalse (mb2.IsTransient (), "#2");
  73                 }
  74
  75                 // Some of these tests overlap with the tests for Module
  76
  77                 [Test]
  78                 public void TestGlobalData ()
  79                 {
  80                         AssemblyBuilder ab = genAssembly ();
  81
  82                         string resfile = Path.Combine (tempDir, "res");
  83                         using (StreamWriter sw = new StreamWriter (resfile)) {
  84                                 sw.WriteLine ("FOO");
  85                         }
  86
  87                         ModuleBuilder mb = ab.DefineDynamicModule ("foo.dll", "foo.dll");
  88
  89                         mb.DefineInitializedData ("DATA", new byte [100], FieldAttributes.Public);
  90                         mb.DefineInitializedData ("DATA2", new byte [100], FieldAttributes.Public);
  91                         mb.DefineInitializedData ("DATA3", new byte [99], FieldAttributes.Public);
  92                         mb.DefineUninitializedData ("DATA4", 101, FieldAttributes.Public);
  93                         mb.DefineInitializedData ("DATA_PRIVATE", new byte [100], 0);
  94                         mb.CreateGlobalFunctions ();
  95
  96                         ab.Save ("foo.dll");
  97
  98                         Assembly assembly = Assembly.LoadFrom (Path.Combine (tempDir, "foo.dll"));
  99
 100                         Module module = assembly.GetLoadedModules () [0];
 101
 102                         string [] expectedFieldNames = new string [] {
 103                                 "DATA", "DATA2", "DATA3", "DATA4" };
 104                         ArrayList fieldNames = new ArrayList ();
 105                         foreach (FieldInfo fi in module.GetFields ()) {
 106                                 fieldNames.Add (fi.Name);
 107                         }
 108                         AssertArrayEqualsSorted (expectedFieldNames, fieldNames.ToArray (typeof (string)));
 109
 110                         Assert.IsNotNull (module.GetField ("DATA"), "#1");
 111                         Assert.IsNotNull (module.GetField ("DATA2"), "#2");
 112                         Assert.IsNotNull (module.GetField ("DATA3"), "#3");
 113                         Assert.IsNotNull (module.GetField ("DATA4"), "#4");
 114                         Assert.IsNull (module.GetField ("DATA_PRIVATE"), "#5");
 115                         Assert.IsNotNull (module.GetField ("DATA_PRIVATE", BindingFlags.NonPublic | BindingFlags.Static), "#6");
 116                 }
 117
 118                 [Test]
 119                 [Category("NotWorking")]
 120                 public void TestGlobalMethods ()
 121                 {
 122                         AssemblyBuilder builder = genAssembly ();
 123                         ModuleBuilder module = builder.DefineDynamicModule ("MessageModule");
 124                         MethodBuilder method = module.DefinePInvokeMethod ("printf", "libc.so",
 125                                                                                                                           MethodAttributes.PinvokeImpl | MethodAttributes.Static | MethodAttributes.Public,
 126                                                                                                                           CallingConventions.Standard, typeof (void), new Type [] { typeof (string) }, CallingConvention.Winapi,
 127                                                                                                                           CharSet.Auto);
 128                         method.SetImplementationFlags (MethodImplAttributes.PreserveSig |
 129                                                                                    method.GetMethodImplementationFlags ());
 130
 131                         Assert.IsNull (module.GetMethod ("printf"), "#1");
 132
 133                         module.CreateGlobalFunctions ();
 134
 135                         Assert.IsNotNull (module.GetMethod ("printf"), "#2");
 136                 }
 137
 138                 [Test]
 139                 public void DefineType_Name_Null ()
 140                 {
 141                         AssemblyBuilder ab = genAssembly ();
 142                         ModuleBuilder mb = ab.DefineDynamicModule ("foo.dll", "foo.dll", true);
 143                         try {
 144                                 mb.DefineType ((string) null);
 145                                 Assert.Fail ("#1");
 146                         } catch (ArgumentNullException ex) {
 147                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#2");
 148                                 Assert.IsNull (ex.InnerException, "#3");
 149                                 Assert.IsNotNull (ex.Message, "#4");
 150                                 Assert.AreEqual ("fullname", ex.ParamName, "#5");
 151                         }
 152                 }
 153
 154                 [Test]
 155                 public void DefineType_Name_Empty ()
 156                 {
 157                         AssemblyBuilder ab = genAssembly ();
 158                         ModuleBuilder mb = ab.DefineDynamicModule ("foo.dll", "foo.dll", true);
 159                         try {
 160                                 mb.DefineType (string.Empty);
 161                                 Assert.Fail ("#1");
 162                         } catch (ArgumentException ex) {
 163                                 // Empty name is not legal
 164                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#2");
 165                                 Assert.IsNull (ex.InnerException, "#3");
 166                                 Assert.IsNotNull (ex.Message, "#4");
 167                                 Assert.AreEqual ("fullname", ex.ParamName, "#5");
 168                         }
 169                 }
 170
 171                 [Test]
 172                 public void DefineType_Name_NullChar ()
 173                 {
 174                         AssemblyBuilder ab = genAssembly ();
 175                         ModuleBuilder mb = ab.DefineDynamicModule ("foo.dll", "foo.dll", true);
 176                         try {
 177                                 mb.DefineType ("\0test");
 178                                 Assert.Fail ("#1");
 179                         } catch (ArgumentException ex) {
 180                                 // Illegal name
 181                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#2");
 182                                 Assert.IsNull (ex.InnerException, "#3");
 183                                 Assert.IsNotNull (ex.Message, "#4");
 184                                 Assert.AreEqual ("fullname", ex.ParamName, "#5");
 185                         }
 186
 187                         mb.DefineType ("te\0st");
 188                 }
 189
 190                 [Test]
 191                 public void DefineType_InterfaceNotAbstract ()
 192                 {
 193                         AssemblyBuilder ab = genAssembly ();
 194                         ModuleBuilder mb = ab.DefineDynamicModule ("foo.dll", "foo.dll", true);
 195
 196                         try {
 197                                 mb.DefineType ("ITest1", TypeAttributes.Interface);
 198                                 Assert.Fail ("#A1");
 199                         } catch (InvalidOperationException ex) {
 200                                 // Interface must be declared abstract
 201                                 Assert.AreEqual (typeof (InvalidOperationException), ex.GetType (), "#A2");
 202                                 Assert.IsNull (ex.InnerException, "#A3");
 203                                 Assert.IsNotNull (ex.Message, "#A4");
 204                         }
 205
 206                         try {
 207                                 mb.DefineType ("ITest2", TypeAttributes.Interface, (Type) null);
 208                                 Assert.Fail ("#B1");
 209                         } catch (InvalidOperationException ex) {
 210                                 // Interface must be declared abstract
 211                                 Assert.AreEqual (typeof (InvalidOperationException), ex.GetType (), "#B2");
 212                                 Assert.IsNull (ex.InnerException, "#B3");
 213                                 Assert.IsNotNull (ex.Message, "#B4");
 214                         }
 215
 216                         // fail on MS .NET 1.1
 217 #if NET_2_0
 218                         TypeBuilder tb = mb.DefineType ("ITest2", TypeAttributes.Interface,
 219                                 typeof (object));
 220                         Assert.AreEqual (typeof (object), tb.BaseType, "#C1");
 221
 222                         tb = mb.DefineType ("ITest3", TypeAttributes.Interface,
 223                                 typeof (IDisposable));
 224                         Assert.AreEqual (typeof (IDisposable), tb.BaseType, "#D1");
 225 #endif
 226                 }
 227
 228                 [Test]
 229 #if ONLY_1_1
 230                 [Category ("NotDotNet")] // Parent type was not extensible by the given type
 231 #endif
 232                 public void DefineType_Parent_Interface ()
 233                 {
 234                         TypeBuilder tb;
 235
 236                         AssemblyBuilder ab = genAssembly ();
 237                         ModuleBuilder mb = ab.DefineDynamicModule ("foo.dll", "foo.dll", true);
 238
 239                         tb = mb.DefineType ("Foo", TypeAttributes.Class,
 240                                 typeof (ICollection));
 241                         Assert.AreEqual (typeof (ICollection), tb.BaseType, "#1");
 242
 243                         tb = mb.DefineType ("Bar", TypeAttributes.Interface,
 244                                 typeof (ICollection));
 245                         Assert.AreEqual (typeof (ICollection), tb.BaseType, "#2");
 246                 }
 247
 248                 [Test]
 249                 [ExpectedException (typeof (ArgumentException))]
 250                 public void DuplicateTypeName () {
 251                         AssemblyBuilder ab = genAssembly ();
 252                         ModuleBuilder module = ab.DefineDynamicModule ("foo.dll", "foo.dll", true);
 253
 254                         var itb = module.DefineType ("TBase", TypeAttributes.Public);
 255
 256                         itb.SetParent (typeof(ValueType));
 257
 258                         var ptb = module.DefineType ("TBase", TypeAttributes.Public);
 259
 260                         ptb.SetParent (typeof(Enum));
 261                 }
 262
 263                 [Test]
 264                 public void DuplicateSymbolDocument ()
 265                 {
 266                         AssemblyBuilder ab = genAssembly ();
 267                         ModuleBuilder mb = ab.DefineDynamicModule ("foo.dll", "foo.dll", true);
 268
 269                         // Check that it is possible to redefine a symbol document
 270                         ISymbolDocumentWriter doc1 =
 271                                 mb.DefineDocument ("foo.il", SymDocumentType.Text,
 272                                                                   SymLanguageType.ILAssembly, SymLanguageVendor.Microsoft);
 273                         ISymbolDocumentWriter doc2 =
 274                                 mb.DefineDocument ("foo.il", SymDocumentType.Text,
 275                                                                   SymLanguageType.ILAssembly, SymLanguageVendor.Microsoft);
 276                 }
 277
 278                 [Test] // Test case for #80435.
 279                 public void GetArrayMethodToStringTest ()
 280                 {
 281                         AssemblyBuilder assembly = genAssembly ();
 282                         ModuleBuilder module = assembly.DefineDynamicModule ("m", "test.dll");
 283
 284                         Type [] myArrayClass = new Type [1];
 285                         Type [] parameterTypes = { typeof (Array) };
 286                         MethodInfo myMethodInfo = module.GetArrayMethod (myArrayClass.GetType (), "Sort", CallingConventions.Standard, null, parameterTypes);
 287
 288                         string str = myMethodInfo.ToString ();
 289                         Assert.IsNotNull (str);
 290                         // Don't compare string, since MS returns System.Reflection.Emit.SymbolMethod here
 291                         // (they do not provide an implementation of ToString).
 292                 }
 293
 294                 private static void AssertArrayEqualsSorted (Array o1, Array o2)
 295                 {
 296                         Array s1 = (Array) o1.Clone ();
 297                         Array s2 = (Array) o2.Clone ();
 298
 299                         Array.Sort (s1);
 300                         Array.Sort (s2);
 301
 302                         Assert.AreEqual (s1.Length, s2.Length, "#1");
 303                         for (int i = 0; i < s1.Length; ++i)
 304                                 Assert.AreEqual (s1.GetValue (i), s2.GetValue (i), "#2: " + i);
 305                 }
 306
 307 #if NET_2_0
 308                 [Test]
 309                 public void ResolveFieldTokenFieldBuilder ()
 310                 {
 311                         AssemblyBuilder ab = genAssembly ();
 312                         ModuleBuilder mb = ab.DefineDynamicModule ("foo.dll", "foo.dll");
 313
 314                         TypeBuilder tb = mb.DefineType ("foo");
 315                         FieldBuilder fb = tb.DefineField ("foo", typeof (int), 0);
 316                         tb.CreateType ();
 317
 318                         FieldInfo fi = mb.ResolveField (0x04000001);
 319                         Assert.IsNotNull (fi);
 320                         Assert.AreEqual ("foo", fi.Name);
 321                 }
 322
 323                 [Test]
 324                 public void ResolveGenericFieldBuilderOnGenericTypeBuilder ()
 325                 {
 326                         AssemblyBuilder ab = genAssembly ();
 327                         ModuleBuilder mb = ab.DefineDynamicModule ("foo.dll", "foo.dll");
 328
 329                         TypeBuilder tb = mb.DefineType ("Foo`1");
 330                         var t = tb.DefineGenericParameters ("T") [0];
 331                         FieldBuilder fb = tb.DefineField ("foo", t, 0);
 332                         tb.CreateType ();
 333
 334                         FieldInfo fi = mb.ResolveField (0x04000001);
 335                         Assert.IsNotNull (fi);
 336                         Assert.AreEqual ("foo", fi.Name);
 337                 }
 338
 339                 [Test]
 340                 [ExpectedException (typeof (ArgumentException))]
 341                 public void ResolveFieldTokenInvalidToken ()
 342                 {
 343                         AssemblyBuilder ab = genAssembly ();
 344                         ModuleBuilder mb = ab.DefineDynamicModule ("foo.dll", "foo.dll");
 345
 346                         mb.ResolveField (0x4001234);
 347                 }
 348
 349                 [Test]
 350                 public void ResolveMethodTokenMethodBuilder ()
 351                 {
 352                         AssemblyBuilder ab = genAssembly ();
 353                         ModuleBuilder moduleb = ab.DefineDynamicModule ("foo.dll", "foo.dll");
 354
 355                         TypeBuilder tb = moduleb.DefineType ("foo");
 356                         MethodBuilder mb = tb.DefineMethod("Frub", MethodAttributes.Static, null, new Type[] { typeof(IntPtr) });
 357                         int tok = mb.GetToken().Token;
 358                         mb.SetImplementationFlags(MethodImplAttributes.NoInlining);
 359                         ILGenerator ilgen = mb.GetILGenerator();
 360                         ilgen.Emit(OpCodes.Ret);
 361
 362                         tb.CreateType ();
 363
 364                         MethodBase mi = moduleb.ResolveMethod (tok);
 365                         Assert.IsNotNull (mi);
 366                         Assert.AreEqual ("Frub", mi.Name);
 367                 }
 368
 369                 [Test]
 370                 public void ResolveMemberField ()
 371                 {
 372                         var assembly = genAssembly ();
 373                         var module = assembly.DefineDynamicModule ("foo.dll", "foo.dll");
 374
 375                         var type = module.DefineType ("Foo");
 376                         var method = type.DefineMethod ("Str", MethodAttributes.Static, typeof (string), Type.EmptyTypes);
 377                         var il = method.GetILGenerator ();
 378
 379                         il.Emit (OpCodes.Ldsfld, typeof (string).GetField ("Empty"));
 380                         il.Emit (OpCodes.Ret);
 381
 382                         type.CreateType ();
 383
 384                         var string_empty = (FieldInfo) module.ResolveMember (0x0a000001);
 385                         Assert.IsNotNull (string_empty);
 386                         Assert.AreEqual ("Empty", string_empty.Name);
 387                         Assert.AreEqual (typeof (string), string_empty.DeclaringType);
 388                 }
 389
 390                 [Test]
 391                 public void ResolveMemberMethod ()
 392                 {
 393                         var assembly = genAssembly ();
 394                         var module = assembly.DefineDynamicModule ("foo.dll", "foo.dll");
 395
 396                         var type = module.DefineType ("Foo");
 397                         var method = type.DefineMethod ("Str", MethodAttributes.Static, typeof (void), Type.EmptyTypes);
 398                         var il = method.GetILGenerator ();
 399
 400                         il.Emit (OpCodes.Call, typeof (Console).GetMethod ("WriteLine", Type.EmptyTypes));
 401                         il.Emit (OpCodes.Ret);
 402
 403                         type.CreateType ();
 404
 405                         var writeline = (MethodInfo) module.ResolveMember (0x0a000001);
 406                         Assert.IsNotNull (writeline);
 407                         Assert.AreEqual ("WriteLine", writeline.Name);
 408                         Assert.AreEqual (typeof (Console), writeline.DeclaringType);
 409                 }
 410
 411                 [Test]
 412                 public void ResolveMethodDefWithGenericArguments ()
 413                 {
 414                         var assembly = genAssembly ();
 415                         var module = assembly.DefineDynamicModule ("foo.dll", "foo.dll");
 416
 417                         var type = module.DefineType ("Foo`1");
 418                         var t = type.DefineGenericParameters ("T") [0];
 419
 420                         var method = type.DefineMethod ("Method", MethodAttributes.Static, typeof (void), new Type [] { t });
 421                         method.GetILGenerator ().Emit (OpCodes.Ret);
 422
 423                         type.DefineDefaultConstructor (MethodAttributes.Public);
 424
 425                         type.CreateType ();
 426
 427                         var resolved_method = (MethodInfo) module.ResolveMember (0x06000001, new [] { typeof (string) }, Type.EmptyTypes);
 428                         Assert.IsNotNull (resolved_method);
 429                         Assert.AreEqual ("Method", resolved_method.Name);
 430                         Assert.IsTrue (resolved_method.GetParameters () [0].ParameterType.IsGenericParameter);
 431                 }
 432
 433                 [Test]
 434                 public void ResolveFieldDefWithGenericArguments ()
 435                 {
 436                         var assembly = genAssembly ();
 437                         var module = assembly.DefineDynamicModule ("foo.dll", "foo.dll");
 438
 439                         var type = module.DefineType ("Foo`1");
 440                         var t = type.DefineGenericParameters ("T") [0];
 441
 442                         var field = type.DefineField ("field", t, FieldAttributes.Public);
 443
 444                         type.CreateType ();
 445
 446                         var resolved_field = (FieldInfo) module.ResolveMember (0x04000001, new [] { typeof (string) }, Type.EmptyTypes);
 447                         Assert.IsNotNull (resolved_field);
 448                         Assert.AreEqual ("field", resolved_field.Name);
 449                         Assert.IsTrue (resolved_field.FieldType.IsGenericParameter);
 450                 }
 451
 452                 [Test]
 453                 public void ResolveTypeDefWithGenericArguments ()
 454                 {
 455                         var assembly = genAssembly ();
 456                         var module = assembly.DefineDynamicModule ("foo.dll", "foo.dll");
 457
 458                         var type = module.DefineType ("Foo`1");
 459                         var t = type.DefineGenericParameters ("T") [0];
 460
 461                         type.CreateType ();
 462
 463                         var foo = (Type) module.ResolveMember (0x02000002, new [] { typeof (string) }, Type.EmptyTypes);
 464                         Assert.IsNotNull (foo);
 465                         Assert.AreEqual ("Foo`1", foo.Name);
 466                         Assert.IsTrue (foo.IsGenericTypeDefinition);
 467                 }
 468
 469                 [Test]
 470                 public void ResolveFieldMemberRefWithGenericArguments ()
 471                 {
 472                         var assembly = genAssembly ();
 473                         var module = assembly.DefineDynamicModule ("foo.dll", "foo.dll");
 474
 475                         var type = module.DefineType ("Foo`1");
 476                         var t = type.DefineGenericParameters ("T") [0];
 477
 478                         var field = type.DefineField ("field", t, FieldAttributes.Public);
 479
 480                         var method = type.DefineMethod ("Method", MethodAttributes.Public, typeof (void), Type.EmptyTypes);
 481                         var il = method.GetILGenerator ();
 482
 483                         il.Emit (OpCodes.Ldarg_0);
 484                         il.Emit (OpCodes.Ldfld, field); // this triggers the creation of a MemberRef on a generic TypeSpec
 485                         il.Emit (OpCodes.Pop);
 486                         il.Emit (OpCodes.Ret);
 487
 488                         type.CreateType ();
 489
 490                         var resolved_field = (FieldInfo) module.ResolveMember (0x0a000001, new [] { typeof (string) }, null);
 491                         Assert.IsNotNull (resolved_field);
 492                         Assert.AreEqual ("field", resolved_field.Name);
 493                         Assert.AreEqual (typeof (string), resolved_field.FieldType);
 494                 }
 495
 496                 [Test]
 497                 public void ResolveMethodMemberRefWithGenericArguments ()
 498                 {
 499                         var assembly = genAssembly ();
 500                         var module = assembly.DefineDynamicModule ("foo.dll", "foo.dll");
 501
 502                         var type = module.DefineType ("Foo`1");
 503                         var t = type.DefineGenericParameters ("T") [0];
 504
 505                         var field = type.DefineField ("field", t, FieldAttributes.Public);
 506
 507                         var method = type.DefineMethod ("Method", MethodAttributes.Public, typeof (void), new Type [] { t });
 508                         method.GetILGenerator ().Emit (OpCodes.Ret);
 509
 510                         var ctor = type.DefineMethod ("Caller", MethodAttributes.Public, typeof (void), Type.EmptyTypes);
 511                         var il = ctor.GetILGenerator ();
 512
 513                         il.Emit (OpCodes.Ldarg_0);
 514                         il.Emit (OpCodes.Ldarg_0);
 515                         il.Emit (OpCodes.Ldfld, field); // this triggers the creation of a MemberRef on a generic TypeSpec
 516                         il.Emit (OpCodes.Callvirt, method); // this too
 517                         il.Emit (OpCodes.Ret);
 518
 519                         type.DefineDefaultConstructor (MethodAttributes.Public);
 520
 521                         type.CreateType ();
 522
 523                         var resolved_method = (MethodInfo) module.ResolveMember (0x0a000002, new [] { typeof (string) }, null);
 524                         Assert.IsNotNull (resolved_method);
 525                         Assert.AreEqual ("Method", resolved_method.Name);
 526                         Assert.AreEqual (typeof (string), resolved_method.GetParameters () [0].ParameterType);
 527                 }
 528
 529                 [Test]
 530                 public void ResolveMethodSpecWithGenericArguments ()
 531                 {
 532                         var assembly = genAssembly ();
 533                         var module = assembly.DefineDynamicModule ("foo.dll", "foo.dll");
 534
 535                         var type = module.DefineType ("Foo`1");
 536                         var t = type.DefineGenericParameters ("T") [0];
 537
 538                         var field = type.DefineField ("field", t, FieldAttributes.Public);
 539
 540                         var method = type.DefineMethod ("Method", MethodAttributes.Public);
 541                         var s = method.DefineGenericParameters ("S") [0];
 542                         method.SetReturnType (typeof (void));
 543                         method.SetParameters (t, s);
 544                         method.GetILGenerator ().Emit (OpCodes.Ret);
 545
 546                         var ctor = type.DefineMethod ("Caller", MethodAttributes.Public, typeof (void), Type.EmptyTypes);
 547                         var il = ctor.GetILGenerator ();
 548
 549                         il.Emit (OpCodes.Ldarg_0);
 550                         il.Emit (OpCodes.Ldarg_0);
 551                         il.Emit (OpCodes.Ldfld, field); // this triggers the creation of a MemberRef on a generic TypeSpec
 552                         il.Emit (OpCodes.Ldarg_0);
 553                         il.Emit (OpCodes.Ldfld, field); // this triggers the creation of a MemberRef on a generic TypeSpec
 554                         il.Emit (OpCodes.Callvirt, method); // this triggers the creation of a MethodSpec
 555                         il.Emit (OpCodes.Ret);
 556
 557                         type.DefineDefaultConstructor (MethodAttributes.Public);
 558
 559                         type.CreateType ();
 560
 561                         var resolved_method = (MethodInfo) module.ResolveMember (0x2b000001, new [] { typeof (string) }, new [] { typeof (int) });
 562                         Assert.IsNotNull (resolved_method);
 563                         Assert.AreEqual ("Method", resolved_method.Name);
 564                         Assert.AreEqual (typeof (string), resolved_method.GetParameters () [0].ParameterType);
 565                         Assert.AreEqual (typeof (int), resolved_method.GetParameters () [1].ParameterType);
 566                 }
 567 #endif
 568
 569                 [Test]
 570                 public void GetTypes ()
 571                 {
 572                         AssemblyBuilder ab = genAssembly ();
 573                         ModuleBuilder mb = ab.DefineDynamicModule ("foo.dll", "foo.dll");
 574
 575                         TypeBuilder tb1 = mb.DefineType("Foo", TypeAttributes.Public);
 576
 577                         Type[] types = mb.GetTypes ();
 578                         Assert.AreEqual (1, types.Length);
 579                         Assert.AreEqual (tb1, types [0]);
 580
 581                         // After the type is created, MS seems to return the created type
 582                         tb1.CreateType ();
 583
 584                         types = mb.GetTypes ();
 585                         Assert.AreEqual (tb1.CreateType (), types [0]);
 586                 }
 587
 588                 [Test] // GetTypeToken (Type)
 589 #if NET_2_0
 590                 [Category ("NotDotNet")] // http://support.microsoft.com/kb/950986
 591 #endif
 592                 public void GetTypeToken2_Type_Array ()
 593                 {
 594                         Type type;
 595                         TypeToken typeToken;
 596                         Type resolved_type;
 597
 598                         AssemblyName aname = genAssemblyName ();
 599                         AssemblyBuilder ab = AppDomain.CurrentDomain.DefineDynamicAssembly (
 600                                 aname, AssemblyBuilderAccess.RunAndSave);
 601                         ModuleBuilder mb = ab.DefineDynamicModule ("MyModule");
 602
 603                         type = typeof (object []);
 604                         typeToken = mb.GetTypeToken (type);
 605 #if NET_2_0
 606                         Assert.IsFalse (typeToken == TypeToken.Empty, "#A1");
 607                         resolved_type = mb.ResolveType (typeToken.Token);
 608                         Assert.AreEqual (type, resolved_type, "#A2");
 609 #else
 610                         Assert.IsFalse (typeToken.Token == TypeToken.Empty.Token, "#A1");
 611 #endif
 612
 613 #if NET_2_0
 614                         type = typeof (object).MakeArrayType ();
 615                         typeToken = mb.GetTypeToken (type);
 616                         Assert.IsFalse (typeToken == TypeToken.Empty, "#B1");
 617                         resolved_type = mb.ResolveType (typeToken.Token);
 618                         Assert.AreEqual (type, resolved_type, "#B2");
 619 #endif
 620                 }
 621
 622                 [Test] // GetTypeToken (Type)
 623                 public void GetTypeToken2_Type_String ()
 624                 {
 625                         AssemblyName aname = genAssemblyName ();
 626                         AssemblyBuilder ab = AppDomain.CurrentDomain.DefineDynamicAssembly (
 627                                 aname, AssemblyBuilderAccess.RunAndSave);
 628                         ModuleBuilder mb = ab.DefineDynamicModule ("MyModule");
 629                         Type type = typeof (string);
 630                         TypeToken typeToken = mb.GetTypeToken (type);
 631 #if NET_2_0
 632                         Assert.IsFalse (typeToken == TypeToken.Empty, "#1");
 633                         Type resolved_type = mb.ResolveType (typeToken.Token);
 634                         Assert.AreEqual (type, resolved_type, "#2");
 635 #else
 636                         Assert.IsFalse (typeToken.Token == TypeToken.Empty.Token, "#1");
 637 #endif
 638                 }
 639
 640 #if NET_2_0
 641                 [Test] // bug #471302
 642                 public void ModuleBuilder_ModuleVersionId ()
 643                 {
 644                         var name = new AssemblyName () { Name = "Foo" };
 645                         var assembly = AppDomain.CurrentDomain.DefineDynamicAssembly (
 646                                 name, AssemblyBuilderAccess.Run);
 647
 648                         var module = assembly.DefineDynamicModule ("Foo");
 649
 650                         Assert.AreNotEqual (new Guid (), module.ModuleVersionId);
 651                 }
 652 #endif
 653
 654                 [Test]
 655                 public void GetType_String_Null ()
 656                 {
 657                         AssemblyName an = genAssemblyName ();
 658                         AssemblyBuilder ab = AppDomain.CurrentDomain.DefineDynamicAssembly (an, AssemblyBuilderAccess.Run);
 659                         ModuleBuilder module = ab.DefineDynamicModule ("GetTypeNullCheck");
 660
 661                         try {
 662                                 module.GetType (null);
 663                                 Assert.Fail ("Expected ArgumentNullException for GetType(string)");
 664                         }
 665                         catch (ArgumentNullException) {
 666                         }
 667                         try {
 668                                 module.GetType (null, true); // ignoreCase
 669                                 Assert.Fail ("Expected ArgumentNullException for GetType(string,bool)");
 670                         }
 671                         catch (ArgumentNullException) {
 672                         }
 673                         try {
 674                                 module.GetType (null, true, true); // throwOnError, ignoreCase
 675                                 Assert.Fail ("Expected ArgumentNullException for GetType(string,bool,bool)");
 676                         }
 677                         catch (ArgumentNullException) {
 678                         }
 679                 }
 680
 681                 [Test]
 682                 public void GetType_String_Empty ()
 683                 {
 684                         AssemblyName an = genAssemblyName ();
 685                         AssemblyBuilder ab = AppDomain.CurrentDomain.DefineDynamicAssembly (an, AssemblyBuilderAccess.Run);
 686                         ModuleBuilder module = ab.DefineDynamicModule ("GetTypeEmptyCheck");
 687
 688                         try {
 689                                 module.GetType (String.Empty);
 690                                 Assert.Fail ("Expected ArgumentNullException for GetType(string)");
 691                         }
 692                         catch (ArgumentException) {
 693                         }
 694                         try {
 695                                 module.GetType (String.Empty, true); // ignoreCase
 696                                 Assert.Fail ("Expected ArgumentNullException for GetType(string,bool)");
 697                         }
 698                         catch (ArgumentException) {
 699                         }
 700                         try {
 701                                 module.GetType (String.Empty, true, true); // throwOnError, ignoreCase
 702                                 Assert.Fail ("Expected ArgumentNullException for GetType(string,bool,bool)");
 703                         }
 704                         catch (ArgumentException) {
 705                         }
 706                 }
 707         }
 708 }