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                         TypeBuilder tb = mb.DefineType ("ITest2", TypeAttributes.Interface,
 218                                 typeof (object));
 219                         Assert.AreEqual (typeof (object), tb.BaseType, "#C1");
 220
 221                         tb = mb.DefineType ("ITest3", TypeAttributes.Interface,
 222                                 typeof (IDisposable));
 223                         Assert.AreEqual (typeof (IDisposable), tb.BaseType, "#D1");
 224                 }
 225
 226                 [Test]
 227                 public void DefineType_Parent_Interface ()
 228                 {
 229                         TypeBuilder tb;
 230
 231                         AssemblyBuilder ab = genAssembly ();
 232                         ModuleBuilder mb = ab.DefineDynamicModule ("foo.dll", "foo.dll", true);
 233
 234                         tb = mb.DefineType ("Foo", TypeAttributes.Class,
 235                                 typeof (ICollection));
 236                         Assert.AreEqual (typeof (ICollection), tb.BaseType, "#1");
 237
 238                         tb = mb.DefineType ("Bar", TypeAttributes.Interface,
 239                                 typeof (ICollection));
 240                         Assert.AreEqual (typeof (ICollection), tb.BaseType, "#2");
 241                 }
 242
 243                 [Test]
 244                 [ExpectedException (typeof (ArgumentException))]
 245                 public void DuplicateTypeName () {
 246                         AssemblyBuilder ab = genAssembly ();
 247                         ModuleBuilder module = ab.DefineDynamicModule ("foo.dll", "foo.dll", true);
 248
 249                         var itb = module.DefineType ("TBase", TypeAttributes.Public);
 250
 251                         itb.SetParent (typeof(ValueType));
 252
 253                         var ptb = module.DefineType ("TBase", TypeAttributes.Public);
 254
 255                         ptb.SetParent (typeof(Enum));
 256                 }
 257
 258                 [Test]
 259                 public void DuplicateSymbolDocument ()
 260                 {
 261                         AssemblyBuilder ab = genAssembly ();
 262                         ModuleBuilder mb = ab.DefineDynamicModule ("foo.dll", "foo.dll", true);
 263
 264                         // Check that it is possible to redefine a symbol document
 265                         ISymbolDocumentWriter doc1 =
 266                                 mb.DefineDocument ("foo.il", SymDocumentType.Text,
 267                                                                   SymLanguageType.ILAssembly, SymLanguageVendor.Microsoft);
 268                         ISymbolDocumentWriter doc2 =
 269                                 mb.DefineDocument ("foo.il", SymDocumentType.Text,
 270                                                                   SymLanguageType.ILAssembly, SymLanguageVendor.Microsoft);
 271                 }
 272
 273                 [Test] // Test case for #80435.
 274                 public void GetArrayMethodToStringTest ()
 275                 {
 276                         AssemblyBuilder assembly = genAssembly ();
 277                         ModuleBuilder module = assembly.DefineDynamicModule ("m", "test.dll");
 278
 279                         Type [] myArrayClass = new Type [1];
 280                         Type [] parameterTypes = { typeof (Array) };
 281                         MethodInfo myMethodInfo = module.GetArrayMethod (myArrayClass.GetType (), "Sort", CallingConventions.Standard, null, parameterTypes);
 282
 283                         string str = myMethodInfo.ToString ();
 284                         Assert.IsNotNull (str);
 285                         // Don't compare string, since MS returns System.Reflection.Emit.SymbolMethod here
 286                         // (they do not provide an implementation of ToString).
 287                 }
 288
 289                 private static void AssertArrayEqualsSorted (Array o1, Array o2)
 290                 {
 291                         Array s1 = (Array) o1.Clone ();
 292                         Array s2 = (Array) o2.Clone ();
 293
 294                         Array.Sort (s1);
 295                         Array.Sort (s2);
 296
 297                         Assert.AreEqual (s1.Length, s2.Length, "#1");
 298                         for (int i = 0; i < s1.Length; ++i)
 299                                 Assert.AreEqual (s1.GetValue (i), s2.GetValue (i), "#2: " + i);
 300                 }
 301
 302                 [Test]
 303                 public void ResolveFieldTokenFieldBuilder ()
 304                 {
 305                         AssemblyBuilder ab = genAssembly ();
 306                         ModuleBuilder mb = ab.DefineDynamicModule ("foo.dll", "foo.dll");
 307
 308                         TypeBuilder tb = mb.DefineType ("foo");
 309                         FieldBuilder fb = tb.DefineField ("foo", typeof (int), 0);
 310                         tb.CreateType ();
 311
 312                         FieldInfo fi = mb.ResolveField (0x04000001);
 313                         Assert.IsNotNull (fi);
 314                         Assert.AreEqual ("foo", fi.Name);
 315                 }
 316
 317                 [Test]
 318                 public void ResolveGenericFieldBuilderOnGenericTypeBuilder ()
 319                 {
 320                         AssemblyBuilder ab = genAssembly ();
 321                         ModuleBuilder mb = ab.DefineDynamicModule ("foo.dll", "foo.dll");
 322
 323                         TypeBuilder tb = mb.DefineType ("Foo`1");
 324                         var t = tb.DefineGenericParameters ("T") [0];
 325                         FieldBuilder fb = tb.DefineField ("foo", t, 0);
 326                         tb.CreateType ();
 327
 328                         FieldInfo fi = mb.ResolveField (0x04000001);
 329                         Assert.IsNotNull (fi);
 330                         Assert.AreEqual ("foo", fi.Name);
 331                 }
 332
 333                 [Test]
 334                 [ExpectedException (typeof (ArgumentException))]
 335                 public void ResolveFieldTokenInvalidToken ()
 336                 {
 337                         AssemblyBuilder ab = genAssembly ();
 338                         ModuleBuilder mb = ab.DefineDynamicModule ("foo.dll", "foo.dll");
 339
 340                         mb.ResolveField (0x4001234);
 341                 }
 342
 343                 [Test]
 344                 public void ResolveMethodTokenMethodBuilder ()
 345                 {
 346                         AssemblyBuilder ab = genAssembly ();
 347                         ModuleBuilder moduleb = ab.DefineDynamicModule ("foo.dll", "foo.dll");
 348
 349                         TypeBuilder tb = moduleb.DefineType ("foo");
 350                         MethodBuilder mb = tb.DefineMethod("Frub", MethodAttributes.Static, null, new Type[] { typeof(IntPtr) });
 351                         int tok = mb.GetToken().Token;
 352                         mb.SetImplementationFlags(MethodImplAttributes.NoInlining);
 353                         ILGenerator ilgen = mb.GetILGenerator();
 354                         ilgen.Emit(OpCodes.Ret);
 355
 356                         tb.CreateType ();
 357
 358                         MethodBase mi = moduleb.ResolveMethod (tok);
 359                         Assert.IsNotNull (mi);
 360                         Assert.AreEqual ("Frub", mi.Name);
 361                 }
 362
 363                 [Test]
 364                 public void GetMethodTokenCrossMethodBuilders ()
 365                 {
 366                         AssemblyBuilder ab = genAssembly ();
 367                         ModuleBuilder moduleb = ab.DefineDynamicModule ("foo.dll", "foo.dll");
 368
 369                         TypeBuilder tb = moduleb.DefineType ("foo");
 370                         MethodBuilder mb = tb.DefineMethod("Frub", MethodAttributes.Static, null, new Type[] { typeof(IntPtr) });
 371                         int tok = mb.GetToken().Token;
 372                         mb.SetImplementationFlags(MethodImplAttributes.NoInlining);
 373                         ILGenerator ilgen = mb.GetILGenerator();
 374                         ilgen.Emit(OpCodes.Ret);
 375
 376                         tb.CreateType ();
 377
 378                         var mi = (MethodInfo) moduleb.ResolveMember (tok);
 379                         Assert.IsNotNull (mi);
 380
 381                         ModuleBuilder moduleb2 = ab.DefineDynamicModule ("foo2.dll", "foo2.dll");
 382                         var tok2 = moduleb2.GetMethodToken (mi).Token;
 383
 384                         MethodBase mi2 = moduleb.ResolveMethod (tok2);
 385                         Assert.IsNotNull (mi2);
 386                         Assert.AreEqual ("Frub", mi.Name);
 387                 }
 388
 389                 [Test]
 390                 public void ResolveMemberField ()
 391                 {
 392                         var assembly = genAssembly ();
 393                         var module = assembly.DefineDynamicModule ("foo.dll", "foo.dll");
 394
 395                         var type = module.DefineType ("Foo");
 396                         var method = type.DefineMethod ("Str", MethodAttributes.Static, typeof (string), Type.EmptyTypes);
 397                         var il = method.GetILGenerator ();
 398
 399                         il.Emit (OpCodes.Ldsfld, typeof (string).GetField ("Empty"));
 400                         il.Emit (OpCodes.Ret);
 401
 402                         type.CreateType ();
 403
 404                         var string_empty = (FieldInfo) module.ResolveMember (0x0a000001);
 405                         Assert.IsNotNull (string_empty);
 406                         Assert.AreEqual ("Empty", string_empty.Name);
 407                         Assert.AreEqual (typeof (string), string_empty.DeclaringType);
 408                 }
 409
 410                 [Test]
 411                 public void ResolveMemberMethod ()
 412                 {
 413                         var assembly = genAssembly ();
 414                         var module = assembly.DefineDynamicModule ("foo.dll", "foo.dll");
 415
 416                         var type = module.DefineType ("Foo");
 417                         var method = type.DefineMethod ("Str", MethodAttributes.Static, typeof (void), Type.EmptyTypes);
 418                         var il = method.GetILGenerator ();
 419
 420                         il.Emit (OpCodes.Call, typeof (Console).GetMethod ("WriteLine", Type.EmptyTypes));
 421                         il.Emit (OpCodes.Ret);
 422
 423                         type.CreateType ();
 424
 425                         var writeline = (MethodInfo) module.ResolveMember (0x0a000001);
 426                         Assert.IsNotNull (writeline);
 427                         Assert.AreEqual ("WriteLine", writeline.Name);
 428                         Assert.AreEqual (typeof (Console), writeline.DeclaringType);
 429                 }
 430
 431                 [Test]
 432                 public void ResolveMethodDefWithGenericArguments ()
 433                 {
 434                         var assembly = genAssembly ();
 435                         var module = assembly.DefineDynamicModule ("foo.dll", "foo.dll");
 436
 437                         var type = module.DefineType ("Foo`1");
 438                         var t = type.DefineGenericParameters ("T") [0];
 439
 440                         var method = type.DefineMethod ("Method", MethodAttributes.Static, typeof (void), new Type [] { t });
 441                         method.GetILGenerator ().Emit (OpCodes.Ret);
 442
 443                         type.DefineDefaultConstructor (MethodAttributes.Public);
 444
 445                         type.CreateType ();
 446
 447                         var resolved_method = (MethodInfo) module.ResolveMember (0x06000001, new [] { typeof (string) }, Type.EmptyTypes);
 448                         Assert.IsNotNull (resolved_method);
 449                         Assert.AreEqual ("Method", resolved_method.Name);
 450                         Assert.IsTrue (resolved_method.GetParameters () [0].ParameterType.IsGenericParameter);
 451                 }
 452
 453                 [Test]
 454                 public void ResolveFieldDefWithGenericArguments ()
 455                 {
 456                         var assembly = genAssembly ();
 457                         var module = assembly.DefineDynamicModule ("foo.dll", "foo.dll");
 458
 459                         var type = module.DefineType ("Foo`1");
 460                         var t = type.DefineGenericParameters ("T") [0];
 461
 462                         var field = type.DefineField ("field", t, FieldAttributes.Public);
 463
 464                         type.CreateType ();
 465
 466                         var resolved_field = (FieldInfo) module.ResolveMember (0x04000001, new [] { typeof (string) }, Type.EmptyTypes);
 467                         Assert.IsNotNull (resolved_field);
 468                         Assert.AreEqual ("field", resolved_field.Name);
 469                         Assert.IsTrue (resolved_field.FieldType.IsGenericParameter);
 470                 }
 471
 472                 [Test]
 473                 public void ResolveTypeDefWithGenericArguments ()
 474                 {
 475                         var assembly = genAssembly ();
 476                         var module = assembly.DefineDynamicModule ("foo.dll", "foo.dll");
 477
 478                         var type = module.DefineType ("Foo`1");
 479                         var t = type.DefineGenericParameters ("T") [0];
 480
 481                         type.CreateType ();
 482
 483                         var foo = (Type) module.ResolveMember (0x02000002, new [] { typeof (string) }, Type.EmptyTypes);
 484                         Assert.IsNotNull (foo);
 485                         Assert.AreEqual ("Foo`1", foo.Name);
 486                         Assert.IsTrue (foo.IsGenericTypeDefinition);
 487                 }
 488
 489                 [Test]
 490                 public void ResolveFieldMemberRefWithGenericArguments ()
 491                 {
 492                         var assembly = genAssembly ();
 493                         var module = assembly.DefineDynamicModule ("foo.dll", "foo.dll");
 494
 495                         var type = module.DefineType ("Foo`1");
 496                         var t = type.DefineGenericParameters ("T") [0];
 497
 498                         var field = type.DefineField ("field", t, FieldAttributes.Public);
 499
 500                         var method = type.DefineMethod ("Method", MethodAttributes.Public, typeof (void), Type.EmptyTypes);
 501                         var il = method.GetILGenerator ();
 502
 503                         il.Emit (OpCodes.Ldarg_0);
 504                         il.Emit (OpCodes.Ldfld, field); // this triggers the creation of a MemberRef on a generic TypeSpec
 505                         il.Emit (OpCodes.Pop);
 506                         il.Emit (OpCodes.Ret);
 507
 508                         type.CreateType ();
 509
 510                         var resolved_field = (FieldInfo) module.ResolveMember (0x0a000001, new [] { typeof (string) }, null);
 511                         Assert.IsNotNull (resolved_field);
 512                         Assert.AreEqual ("field", resolved_field.Name);
 513                         Assert.AreEqual (typeof (string), resolved_field.FieldType);
 514                 }
 515
 516                 [Test]
 517                 public void ResolveMethodMemberRefWithGenericArguments ()
 518                 {
 519                         var assembly = genAssembly ();
 520                         var module = assembly.DefineDynamicModule ("foo.dll", "foo.dll");
 521
 522                         var type = module.DefineType ("Foo`1");
 523                         var t = type.DefineGenericParameters ("T") [0];
 524
 525                         var field = type.DefineField ("field", t, FieldAttributes.Public);
 526
 527                         var method = type.DefineMethod ("Method", MethodAttributes.Public, typeof (void), new Type [] { t });
 528                         method.GetILGenerator ().Emit (OpCodes.Ret);
 529
 530                         var ctor = type.DefineMethod ("Caller", MethodAttributes.Public, typeof (void), Type.EmptyTypes);
 531                         var il = ctor.GetILGenerator ();
 532
 533                         il.Emit (OpCodes.Ldarg_0);
 534                         il.Emit (OpCodes.Ldarg_0);
 535                         il.Emit (OpCodes.Ldfld, field); // this triggers the creation of a MemberRef on a generic TypeSpec
 536                         il.Emit (OpCodes.Callvirt, method); // this too
 537                         il.Emit (OpCodes.Ret);
 538
 539                         type.DefineDefaultConstructor (MethodAttributes.Public);
 540
 541                         type.CreateType ();
 542
 543                         var resolved_method = (MethodInfo) module.ResolveMember (0x0a000002, new [] { typeof (string) }, null);
 544                         Assert.IsNotNull (resolved_method);
 545                         Assert.AreEqual ("Method", resolved_method.Name);
 546                         Assert.AreEqual (typeof (string), resolved_method.GetParameters () [0].ParameterType);
 547                 }
 548
 549                 [Test]
 550                 public void ResolveMethodSpecWithGenericArguments ()
 551                 {
 552                         var assembly = genAssembly ();
 553                         var module = assembly.DefineDynamicModule ("foo.dll", "foo.dll");
 554
 555                         var type = module.DefineType ("Foo`1");
 556                         var t = type.DefineGenericParameters ("T") [0];
 557
 558                         var field = type.DefineField ("field", t, FieldAttributes.Public);
 559
 560                         var method = type.DefineMethod ("Method", MethodAttributes.Public);
 561                         var s = method.DefineGenericParameters ("S") [0];
 562                         method.SetReturnType (typeof (void));
 563                         method.SetParameters (t, s);
 564                         method.GetILGenerator ().Emit (OpCodes.Ret);
 565
 566                         var ctor = type.DefineMethod ("Caller", MethodAttributes.Public, typeof (void), Type.EmptyTypes);
 567                         var il = ctor.GetILGenerator ();
 568
 569                         il.Emit (OpCodes.Ldarg_0);
 570                         il.Emit (OpCodes.Ldarg_0);
 571                         il.Emit (OpCodes.Ldfld, field); // this triggers the creation of a MemberRef on a generic TypeSpec
 572                         il.Emit (OpCodes.Ldarg_0);
 573                         il.Emit (OpCodes.Ldfld, field); // this triggers the creation of a MemberRef on a generic TypeSpec
 574                         il.Emit (OpCodes.Callvirt, method); // this triggers the creation of a MethodSpec
 575                         il.Emit (OpCodes.Ret);
 576
 577                         type.DefineDefaultConstructor (MethodAttributes.Public);
 578
 579                         type.CreateType ();
 580
 581                         var resolved_method = (MethodInfo) module.ResolveMember (0x2b000001, new [] { typeof (string) }, new [] { typeof (int) });
 582                         Assert.IsNotNull (resolved_method);
 583                         Assert.AreEqual ("Method", resolved_method.Name);
 584                         Assert.AreEqual (typeof (string), resolved_method.GetParameters () [0].ParameterType);
 585                         Assert.AreEqual (typeof (int), resolved_method.GetParameters () [1].ParameterType);
 586                 }
 587
 588                 [Test]
 589                 public void GetTypes ()
 590                 {
 591                         AssemblyBuilder ab = genAssembly ();
 592                         ModuleBuilder mb = ab.DefineDynamicModule ("foo.dll", "foo.dll");
 593
 594                         TypeBuilder tb1 = mb.DefineType("Foo", TypeAttributes.Public);
 595
 596                         Type[] types = mb.GetTypes ();
 597                         Assert.AreEqual (1, types.Length);
 598                         Assert.AreEqual (tb1, types [0]);
 599
 600                         // After the type is created, MS seems to return the created type
 601                         tb1.CreateType ();
 602
 603                         types = mb.GetTypes ();
 604                         Assert.AreEqual (tb1.CreateType (), types [0]);
 605                 }
 606
 607                 [Test] // GetTypeToken (Type)
 608                 [Category ("NotDotNet")] // http://support.microsoft.com/kb/950986
 609                 public void GetTypeToken2_Type_Array ()
 610                 {
 611                         Type type;
 612                         TypeToken typeToken;
 613                         Type resolved_type;
 614
 615                         AssemblyName aname = genAssemblyName ();
 616                         AssemblyBuilder ab = AppDomain.CurrentDomain.DefineDynamicAssembly (
 617                                 aname, AssemblyBuilderAccess.RunAndSave);
 618                         ModuleBuilder mb = ab.DefineDynamicModule ("MyModule");
 619
 620                         type = typeof (object []);
 621                         typeToken = mb.GetTypeToken (type);
 622                         Assert.IsFalse (typeToken == TypeToken.Empty, "#A1");
 623                         resolved_type = mb.ResolveType (typeToken.Token);
 624                         Assert.AreEqual (type, resolved_type, "#A2");
 625
 626                         type = typeof (object).MakeArrayType ();
 627                         typeToken = mb.GetTypeToken (type);
 628                         Assert.IsFalse (typeToken == TypeToken.Empty, "#B1");
 629                         resolved_type = mb.ResolveType (typeToken.Token);
 630                         Assert.AreEqual (type, resolved_type, "#B2");
 631                 }
 632
 633                 [Test] // GetTypeToken (Type)
 634                 public void GetTypeToken2_Type_String ()
 635                 {
 636                         AssemblyName aname = genAssemblyName ();
 637                         AssemblyBuilder ab = AppDomain.CurrentDomain.DefineDynamicAssembly (
 638                                 aname, AssemblyBuilderAccess.RunAndSave);
 639                         ModuleBuilder mb = ab.DefineDynamicModule ("MyModule");
 640                         Type type = typeof (string);
 641                         TypeToken typeToken = mb.GetTypeToken (type);
 642                         Assert.IsFalse (typeToken == TypeToken.Empty, "#1");
 643                         Type resolved_type = mb.ResolveType (typeToken.Token);
 644                         Assert.AreEqual (type, resolved_type, "#2");
 645                 }
 646
 647                 [Test] // bug #471302
 648                 public void ModuleBuilder_ModuleVersionId ()
 649                 {
 650                         var name = new AssemblyName () { Name = "Foo" };
 651                         var assembly = AppDomain.CurrentDomain.DefineDynamicAssembly (
 652                                 name, AssemblyBuilderAccess.Run);
 653
 654                         var module = assembly.DefineDynamicModule ("Foo");
 655
 656                         Assert.AreNotEqual (new Guid (), module.ModuleVersionId);
 657                 }
 658
 659                 [Test]
 660                 public void GetType_String_Null ()
 661                 {
 662                         AssemblyName an = genAssemblyName ();
 663                         AssemblyBuilder ab = AppDomain.CurrentDomain.DefineDynamicAssembly (an, AssemblyBuilderAccess.Run);
 664                         ModuleBuilder module = ab.DefineDynamicModule ("GetTypeNullCheck");
 665
 666                         try {
 667                                 module.GetType (null);
 668                                 Assert.Fail ("Expected ArgumentNullException for GetType(string)");
 669                         }
 670                         catch (ArgumentNullException) {
 671                         }
 672                         try {
 673                                 module.GetType (null, true); // ignoreCase
 674                                 Assert.Fail ("Expected ArgumentNullException for GetType(string,bool)");
 675                         }
 676                         catch (ArgumentNullException) {
 677                         }
 678                         try {
 679                                 module.GetType (null, true, true); // throwOnError, ignoreCase
 680                                 Assert.Fail ("Expected ArgumentNullException for GetType(string,bool,bool)");
 681                         }
 682                         catch (ArgumentNullException) {
 683                         }
 684                 }
 685
 686                 [Test]
 687                 public void GetType_String_Empty ()
 688                 {
 689                         AssemblyName an = genAssemblyName ();
 690                         AssemblyBuilder ab = AppDomain.CurrentDomain.DefineDynamicAssembly (an, AssemblyBuilderAccess.Run);
 691                         ModuleBuilder module = ab.DefineDynamicModule ("GetTypeEmptyCheck");
 692
 693                         try {
 694                                 module.GetType (String.Empty);
 695                                 Assert.Fail ("Expected ArgumentNullException for GetType(string)");
 696                         }
 697                         catch (ArgumentException) {
 698                         }
 699                         try {
 700                                 module.GetType (String.Empty, true); // ignoreCase
 701                                 Assert.Fail ("Expected ArgumentNullException for GetType(string,bool)");
 702                         }
 703                         catch (ArgumentException) {
 704                         }
 705                         try {
 706                                 module.GetType (String.Empty, true, true); // throwOnError, ignoreCase
 707                                 Assert.Fail ("Expected ArgumentNullException for GetType(string,bool,bool)");
 708                         }
 709                         catch (ArgumentException) {
 710                         }
 711                 }
 712         }
 713 }