mcs/class/corlib/Test/System.Reflection/AssemblyTest.cs

   1 //
   2 // System.Reflection.Assembly Test Cases
   3 //
   4 // Authors:
   5 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   6 //      Philippe Lavoie (philippe.lavoie@cactus.ca)
   7 //      Sebastien Pouliot (sebastien@ximian.com)
   8 //
   9 // (c) 2003 Ximian, Inc. (http://www.ximian.com)
  10 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32 using NUnit.Framework;
  33 using System;
  34 using System.Configuration.Assemblies;
  35 using System.Globalization;
  36 using System.IO;
  37 using System.Reflection;
  38 using System.Reflection.Emit;
  39 using System.Runtime.Serialization;
  40 using System.Security;
  41
  42 namespace MonoTests.System.Reflection
  43 {
  44         [TestFixture]
  45         public class AssemblyTest
  46         {
  47                 [Test]
  48                 public void CreateInstance()
  49                 {
  50                         Type type = typeof (AssemblyTest);
  51                         Object obj = type.Assembly.CreateInstance ("MonoTests.System.Reflection.AssemblyTest");
  52                         Assert.IsNotNull (obj, "#01");
  53                         Assert.AreEqual (GetType (), obj.GetType (), "#02");
  54                 }
  55
  56                 [Test]
  57                 public void CreateInvalidInstance()
  58                 {
  59                         Type type = typeof (AssemblyTest);
  60                         Object obj = type.Assembly.CreateInstance("NunitTests.ThisTypeDoesNotExist");
  61                         Assert.IsNull (obj, "#03");
  62                 }
  63
  64                 [Test]
  65 #if NET_2_0
  66                 [Category ("NotWorking")]
  67                 [ExpectedException (typeof (ArgumentException))]
  68 #else
  69                 [ExpectedException (typeof (TypeLoadException))]
  70 #endif
  71                 public void TestGetType ()
  72                 {
  73                         // Bug #49114
  74                         typeof (int).Assembly.GetType ("&blabla", true, true);
  75                 }
  76
  77                 [Test]
  78                 public void GetEntryAssembly ()
  79                 {
  80                         // note: only available in default appdomain
  81                         // http://weblogs.asp.net/asanto/archive/2003/09/08/26710.aspx
  82                         // Not sure we should emulate this behavior.
  83                         string fname = AppDomain.CurrentDomain.FriendlyName;
  84                         if (fname.EndsWith (".dll")) { // nunit-console
  85                                 Assert.IsNull (Assembly.GetEntryAssembly (), "GetEntryAssembly");
  86 #if NET_2_0
  87                                 Assert.IsFalse (AppDomain.CurrentDomain.IsDefaultAppDomain (), "!default appdomain");
  88 #endif
  89                         } else { // gnunit
  90                                 Assert.IsNotNull (Assembly.GetEntryAssembly (), "GetEntryAssembly");
  91 #if NET_2_0
  92                                 Assert.IsTrue (AppDomain.CurrentDomain.IsDefaultAppDomain (), "!default appdomain");
  93 #endif
  94                         }
  95                 }
  96 #if NET_2_0
  97                 [Category ("NotWorking")]
  98 #endif
  99                 [Test]
 100                 public void Corlib ()
 101                 {
 102                         Assembly corlib = typeof (int).Assembly;
 103                         Assert.IsTrue (corlib.CodeBase.EndsWith ("mscorlib.dll"), "CodeBase");
 104                         Assert.IsNull (corlib.EntryPoint, "EntryPoint");
 105                         Assert.IsTrue (corlib.EscapedCodeBase.EndsWith ("mscorlib.dll"), "EscapedCodeBase");
 106                         Assert.IsNotNull (corlib.Evidence, "Evidence");
 107                         Assert.IsTrue (corlib.Location.EndsWith ("mscorlib.dll"), "Location");
 108
 109                         // corlib doesn't reference anything
 110                         Assert.AreEqual (0, corlib.GetReferencedAssemblies ().Length, "GetReferencedAssemblies");
 111 #if NET_2_0
 112                         Assert.AreEqual ("mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089", corlib.FullName, "FullName");
 113                         // not really "true" but it's even more trusted so...
 114                         Assert.IsTrue (corlib.GlobalAssemblyCache, "GlobalAssemblyCache");
 115                         Assert.AreEqual (0, corlib.HostContext, "HostContext");
 116                         Assert.AreEqual ("v2.0.50727", corlib.ImageRuntimeVersion, "ImageRuntimeVersion");
 117                         Assert.IsFalse (corlib.ReflectionOnly, "ReflectionOnly");
 118                         Assert.AreEqual (0x1, corlib.ManifestModule.MetadataToken);
 119 #elif NET_1_1
 120                         Assert.IsFalse (corlib.GlobalAssemblyCache, "GlobalAssemblyCache");
 121                         Assert.AreEqual ("mscorlib, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089", corlib.FullName, "FullName");
 122                         Assert.AreEqual ("v1.1.4322", corlib.ImageRuntimeVersion, "ImageRuntimeVersion");
 123 #endif
 124                 }
 125
 126                 [Test]
 127                 public void Corlib_test ()
 128                 {
 129                         Assembly corlib_test = Assembly.GetExecutingAssembly ();
 130                         Assert.IsNull (corlib_test.EntryPoint, "EntryPoint");
 131                         Assert.IsNotNull (corlib_test.Evidence, "Evidence");
 132                         Assert.IsFalse (corlib_test.GlobalAssemblyCache, "GlobalAssemblyCache");
 133
 134                         Assert.IsTrue (corlib_test.GetReferencedAssemblies ().Length > 0, "GetReferencedAssemblies");
 135 #if NET_2_0
 136                         Assert.AreEqual (0, corlib_test.HostContext, "HostContext");
 137                         Assert.AreEqual ("v2.0.50727", corlib_test.ImageRuntimeVersion, "ImageRuntimeVersion");
 138                         Assert.IsNotNull (corlib_test.ManifestModule, "ManifestModule");
 139                         Assert.IsFalse (corlib_test.ReflectionOnly, "ReflectionOnly");
 140 #elif NET_1_1
 141                         Assert.AreEqual ("v1.1.4322", corlib_test.ImageRuntimeVersion, "ImageRuntimeVersion");
 142 #endif
 143                 }
 144
 145                 [Test]
 146                 public void GetAssembly ()
 147                 {
 148                         Assert.IsTrue (Assembly.GetAssembly (typeof (int)).FullName.StartsWith ("mscorlib"), "GetAssembly(int)");
 149                         Assert.AreEqual (this.GetType ().Assembly.FullName, Assembly.GetAssembly (this.GetType ()).FullName, "GetAssembly(this)");
 150                 }
 151
 152                 [Test]
 153                 [ExpectedException (typeof (ArgumentNullException))]
 154                 public void GetFile_Null ()
 155                 {
 156                         Assembly.GetExecutingAssembly ().GetFile (null);
 157                 }
 158
 159                 [Test]
 160                 [ExpectedException (typeof (ArgumentException))]
 161                 public void GetFile_Empty ()
 162                 {
 163                         Assembly.GetExecutingAssembly ().GetFile (String.Empty);
 164                 }
 165
 166                 [Test]
 167                 public void GetFiles_False ()
 168                 {
 169                         Assembly corlib = typeof (int).Assembly;
 170                         FileStream[] fss = corlib.GetFiles ();
 171                         Assert.AreEqual (fss.Length, corlib.GetFiles (false).Length, "corlib.GetFiles (false)");
 172
 173                         Assembly corlib_test = Assembly.GetExecutingAssembly ();
 174                         fss = corlib_test.GetFiles ();
 175                         Assert.AreEqual (fss.Length, corlib_test.GetFiles (false).Length, "test.GetFiles (false)");
 176                 }
 177
 178                 [Test]
 179                 public void GetFiles_True ()
 180                 {
 181                         Assembly corlib = typeof (int).Assembly;
 182                         FileStream[] fss = corlib.GetFiles ();
 183                         Assert.IsTrue (fss.Length <= corlib.GetFiles (true).Length, "corlib.GetFiles (true)");
 184
 185                         Assembly corlib_test = Assembly.GetExecutingAssembly ();
 186                         fss = corlib_test.GetFiles ();
 187                         Assert.IsTrue (fss.Length <= corlib_test.GetFiles (true).Length, "test.GetFiles (true)");
 188                 }
 189
 190                 [Test] // bug #78517
 191 #if ONLY_1_1
 192                 [Category ("NotDotNet")] // MS.NET 1.x throws FileLoadException
 193 #endif
 194                 public void LoadFrom_Empty_Assembly ()
 195                 {
 196                         string tempFile = Path.GetTempFileName ();
 197
 198                         try {
 199                                 Assembly.LoadFrom (tempFile);
 200                                 Assert.Fail ("#1");
 201                         } catch (BadImageFormatException ex) {
 202                                 Assert.IsNull (ex.InnerException, "#2");
 203                         } finally {
 204                                 File.Delete (tempFile);
 205                         }
 206                 }
 207
 208                 [Test] // bug #78517
 209                 public void LoadFrom_Invalid_Assembly ()
 210                 {
 211                         string tempFile = Path.GetTempFileName ();
 212                         using (StreamWriter sw = File.CreateText (tempFile)) {
 213                                 sw.WriteLine ("foo");
 214                                 sw.Close ();
 215                         }
 216
 217                         try {
 218                                 Assembly.LoadFrom (tempFile);
 219                                 Assert.Fail ("#1");
 220                         } catch (BadImageFormatException ex) {
 221                                 Assert.IsNull (ex.InnerException, "#2");
 222                         } finally {
 223                                 File.Delete (tempFile);
 224                         }
 225                 }
 226
 227                 [Test]
 228                 public void LoadFrom_NonExisting_Assembly ()
 229                 {
 230                         string tempFile = Path.GetTempFileName ();
 231                         File.Delete (tempFile);
 232
 233                         try {
 234                                 Assembly.LoadFrom (tempFile);
 235                                 Assert.Fail ("#1");
 236                         } catch (FileNotFoundException ex) {
 237                                 Assert.IsNull (ex.InnerException, "#2");
 238                         } finally {
 239                                 File.Delete (tempFile);
 240                         }
 241                 }
 242
 243                 [Test]
 244                 public void LoadWithPartialName ()
 245                 {
 246                         string [] names = { "corlib_test_default", "corlib_test_net_2_0", "corlib_plattest" };
 247
 248                         foreach (string s in names)
 249                                 if (Assembly.LoadWithPartialName (s) != null)
 250                                         return;
 251                         Assertion.Fail ("Was not able to load any corlib test");
 252                 }
 253
 254                 [Test]
 255                 [ExpectedException (typeof (ArgumentNullException))]
 256                 public void GetObjectData_Null ()
 257                 {
 258                         Assembly corlib = typeof (int).Assembly;
 259                         corlib.GetObjectData (null, new StreamingContext (StreamingContextStates.All));
 260                 }
 261
 262                 [Test]
 263                 public void GetReferencedAssemblies ()
 264                 {
 265                         Assembly corlib_test = Assembly.GetExecutingAssembly ();
 266                         AssemblyName[] names = corlib_test.GetReferencedAssemblies ();
 267                         foreach (AssemblyName an in names) {
 268                                 Assert.IsNull (an.CodeBase, "CodeBase");
 269                                 Assert.IsNotNull (an.CultureInfo, "CultureInfo");
 270                                 Assert.IsNull (an.EscapedCodeBase, "EscapedCodeBase");
 271                                 Assert.AreEqual (AssemblyNameFlags.None, an.Flags, "Flags");
 272                                 Assert.IsNotNull (an.FullName, "FullName");
 273                                 Assert.AreEqual (AssemblyHashAlgorithm.SHA1, an.HashAlgorithm, "HashAlgorithm");
 274                                 Assert.IsNull (an.KeyPair, "KeyPair");
 275                                 Assert.IsNotNull (an.Name, "Name");
 276                                 Assert.IsNotNull (an.Version, "Version");
 277                                 Assert.AreEqual (AssemblyVersionCompatibility.SameMachine,
 278                                         an.VersionCompatibility, "VersionCompatibility");
 279                         }
 280                 }
 281
 282                 [Test]
 283                 public void Location_Empty() {
 284                         string assemblyFileName = Path.Combine (
 285                                 Path.GetTempPath (), "AssemblyLocation.dll");
 286
 287                         try {
 288                                 AssemblyName assemblyName = new AssemblyName ();
 289                                 assemblyName.Name = "AssemblyLocation";
 290
 291                                 AssemblyBuilder ab = AppDomain.CurrentDomain
 292                                         .DefineDynamicAssembly (assemblyName,
 293                                         AssemblyBuilderAccess.Save,
 294                                         Path.GetTempPath (),
 295                                         AppDomain.CurrentDomain.Evidence);
 296                                 ab.Save (Path.GetFileName (assemblyFileName));
 297
 298                                 using (FileStream fs = File.OpenRead (assemblyFileName)) {
 299                                         byte[] buffer = new byte[fs.Length];
 300                                         fs.Read (buffer, 0, buffer.Length);
 301                                         Assembly assembly = Assembly.Load (buffer);
 302                                         Assert.AreEqual (string.Empty, assembly.Location);
 303                                         fs.Close ();
 304                                 }
 305                         } finally {
 306                                 File.Delete (assemblyFileName);
 307                         }
 308                 }
 309
 310                 [Test]
 311                 [Category ("NotWorking")]
 312                 public void bug78464 ()
 313                 {
 314                         string assemblyFileName = Path.Combine (
 315                                 Path.GetTempPath (), "bug78464.dll");
 316
 317                         try {
 318                                 // execute test in separate appdomain to allow assembly to be unloaded
 319                                 AppDomain testDomain = CreateTestDomain ();
 320                                 CrossDomainTester crossDomainTester = CreateCrossDomainTester (testDomain);
 321                                 try {
 322                                         crossDomainTester.bug78464 (assemblyFileName);
 323                                 } finally {
 324                                         AppDomain.Unload (testDomain);
 325                                 }
 326                         } finally {
 327                                 File.Delete (assemblyFileName);
 328                         }
 329                 }
 330
 331                 [Test]
 332                 [Category ("NotWorking")]
 333                 public void bug78465 ()
 334                 {
 335                         string assemblyFileName = Path.Combine (
 336                                 Path.GetTempPath (), "bug78465.dll");
 337
 338                         try {
 339                                 AssemblyName assemblyName = new AssemblyName ();
 340                                 assemblyName.Name = "bug78465";
 341
 342                                 AssemblyBuilder ab = AppDomain.CurrentDomain
 343                                         .DefineDynamicAssembly (assemblyName,
 344                                         AssemblyBuilderAccess.Save,
 345                                         Path.GetDirectoryName (assemblyFileName),
 346                                         AppDomain.CurrentDomain.Evidence);
 347                                 ab.Save (Path.GetFileName (assemblyFileName));
 348
 349                                 using (FileStream fs = File.OpenRead (assemblyFileName)) {
 350                                         byte[] buffer = new byte[fs.Length];
 351                                         fs.Read (buffer, 0, buffer.Length);
 352                                         Assembly assembly = Assembly.Load (buffer);
 353                                         Assert.AreEqual (string.Empty, assembly.Location, "#1");
 354                                         fs.Close ();
 355                                 }
 356
 357                                 AppDomain testDomain = CreateTestDomain ();
 358                                 CrossDomainTester crossDomainTester = CreateCrossDomainTester (testDomain);
 359                                 try {
 360                                         crossDomainTester.bug78465 (assemblyFileName);
 361                                 } finally {
 362                                         AppDomain.Unload (testDomain);
 363                                 }
 364                         } finally {
 365                                 File.Delete (assemblyFileName);
 366                         }
 367                 }
 368
 369                 [Test]
 370                 public void bug78468 ()
 371                 {
 372                         string assemblyFileNameA = Path.Combine (Path.GetTempPath (),
 373                                 "bug78468a.dll");
 374                         string resourceFileName = Path.Combine (Path.GetTempPath (),
 375                                 "readme.txt");
 376
 377                         using (StreamWriter sw = File.CreateText (resourceFileName)) {
 378                                 sw.WriteLine ("FOO");
 379                                 sw.Close ();
 380                         }
 381
 382                         try {
 383                                 AssemblyName assemblyName = new AssemblyName ();
 384                                 assemblyName.Name = "bug78468a";
 385
 386                                 AssemblyBuilder ab = AppDomain.CurrentDomain
 387                                         .DefineDynamicAssembly (assemblyName,
 388                                         AssemblyBuilderAccess.Save,
 389                                         Path.GetTempPath (),
 390                                         AppDomain.CurrentDomain.Evidence);
 391                                 ab.AddResourceFile ("read", "readme.txt");
 392                                 ab.Save (Path.GetFileName (assemblyFileNameA));
 393
 394                                 Assembly assembly;
 395
 396                                 using (FileStream fs = File.OpenRead (assemblyFileNameA)) {
 397                                         byte[] buffer = new byte[fs.Length];
 398                                         fs.Read (buffer, 0, buffer.Length);
 399                                         assembly = Assembly.Load (buffer);
 400                                         fs.Close ();
 401                                 }
 402
 403                                 Assert.AreEqual (string.Empty, assembly.Location, "#A1");
 404                                 string[] resNames = assembly.GetManifestResourceNames ();
 405                                 Assert.IsNotNull (resNames, "#A2");
 406                                 Assert.AreEqual (1, resNames.Length, "#A3");
 407                                 Assert.AreEqual ("read", resNames[0], "#A4");
 408                                 ManifestResourceInfo resInfo = assembly.GetManifestResourceInfo ("read");
 409                                 Assert.IsNotNull (resInfo, "#A5");
 410                                 Assert.AreEqual ("readme.txt", resInfo.FileName, "#A6");
 411                                 Assert.IsNull (resInfo.ReferencedAssembly, "#A7");
 412                                 Assert.AreEqual ((ResourceLocation) 0, resInfo.ResourceLocation, "#A8");
 413                                 Assert.IsNull (assembly.GetManifestResourceStream ("read"), "#A9");
 414                                 try {
 415                                         assembly.GetFile ("readme.txt");
 416                                         Assert.Fail ("#A10");
 417                                 } catch (FileNotFoundException) {
 418                                 }
 419
 420                                 string assemblyFileNameB = Path.Combine (Path.GetTempPath (),
 421                                         "bug78468b.dll");
 422
 423                                 AppDomain testDomain = CreateTestDomain ();
 424                                 CrossDomainTester crossDomainTester = CreateCrossDomainTester (testDomain);
 425                                 try {
 426                                         crossDomainTester.bug78468 (assemblyFileNameB);
 427                                 } finally {
 428                                         AppDomain.Unload (testDomain);
 429                                         File.Delete (assemblyFileNameB);
 430                                 }
 431                         } finally {
 432                                 File.Delete (assemblyFileNameA);
 433                                 File.Delete (resourceFileName);
 434                         }
 435                 }
 436
 437 #if NET_2_0
 438                 [Test]
 439                 [Category ("NotWorking")]
 440                 public void ReflectionOnlyLoad ()
 441                 {
 442                         Assembly assembly = Assembly.ReflectionOnlyLoad (typeof (AssemblyTest).Assembly.FullName);
 443
 444                         Assert.IsNotNull (assembly);
 445                         Assert.IsTrue (assembly.ReflectionOnly);
 446                 }
 447
 448                 [Test]
 449                 public void ReflectionOnlyLoadFrom ()
 450                 {
 451                         string loc = typeof (AssemblyTest).Assembly.Location;
 452                         string filename = Path.GetFileName (loc);
 453                         Assembly assembly = Assembly.ReflectionOnlyLoadFrom (filename);
 454
 455                         Assert.IsNotNull (assembly);
 456                         Assert.IsTrue (assembly.ReflectionOnly);
 457                 }
 458
 459                 [Test]
 460                 [ExpectedException (typeof (ArgumentException))]
 461                 public void CreateInstanceOnRefOnly ()
 462                 {
 463                         Assembly assembly = Assembly.ReflectionOnlyLoad (typeof (AssemblyTest).Assembly.FullName);
 464                         assembly.CreateInstance ("MonoTests.System.Reflection.AssemblyTest");
 465                 }
 466 #endif
 467
 468                 private static AppDomain CreateTestDomain ()
 469                 {
 470                         return AppDomain.CreateDomain ("CompileFromDom", AppDomain.CurrentDomain.Evidence,
 471                                 AppDomain.CurrentDomain.SetupInformation);
 472                 }
 473
 474                 private static CrossDomainTester CreateCrossDomainTester (AppDomain domain)
 475                 {
 476                         Type testerType = typeof (CrossDomainTester);
 477
 478                         return (CrossDomainTester) domain.CreateInstanceAndUnwrap (
 479                                 testerType.Assembly.FullName, testerType.FullName, false,
 480                                 BindingFlags.Public | BindingFlags.Instance, null, new object[0],
 481                                 CultureInfo.InvariantCulture, new object[0], domain.Evidence);
 482                 }
 483
 484                 private class CrossDomainTester : MarshalByRefObject
 485                 {
 486                         public void bug78464 (string assemblyFileName)
 487                         {
 488                                 AssemblyName assemblyName = new AssemblyName ();
 489                                 assemblyName.Name = "bug78464";
 490
 491                                 AssemblyBuilder ab = AppDomain.CurrentDomain
 492                                         .DefineDynamicAssembly (assemblyName,
 493                                         AssemblyBuilderAccess.Save,
 494                                         Path.GetDirectoryName (assemblyFileName),
 495                                         AppDomain.CurrentDomain.Evidence);
 496                                 ab.Save (Path.GetFileName (assemblyFileName));
 497
 498                                 Assembly assembly;
 499
 500                                 using (FileStream fs = File.OpenRead (assemblyFileName)) {
 501                                         byte[] buffer = new byte[fs.Length];
 502                                         fs.Read (buffer, 0, buffer.Length);
 503                                         assembly = Assembly.Load (buffer);
 504                                         fs.Close ();
 505                                 }
 506
 507                                 Assert.AreEqual (string.Empty, assembly.Location, "#1");
 508
 509                                 assembly = Assembly.LoadFrom (assemblyFileName, AppDomain.CurrentDomain.Evidence);
 510                                 Assert.IsFalse (assembly.Location == string.Empty, "#2");
 511                                 Assert.AreEqual (Path.GetFileName (assemblyFileName), Path.GetFileName(assembly.Location), "#3");
 512                                 // note: we cannot check if directory names match, as MS.NET seems to
 513                                 // convert directory part of assembly location to lowercase
 514                                 Assert.IsFalse (Path.GetDirectoryName(assembly.Location) == string.Empty, "#4");
 515                         }
 516
 517                         public void bug78465 (string assemblyFileName)
 518                         {
 519                                 Assembly assembly = Assembly.LoadFrom (assemblyFileName, AppDomain.CurrentDomain.Evidence);
 520                                 Assert.IsFalse (assembly.Location == string.Empty, "#2");
 521                                 Assert.AreEqual (Path.GetFileName (assemblyFileName), Path.GetFileName (assembly.Location), "#3");
 522                                 // note: we cannot check if directory names match, as MS.NET seems to
 523                                 // convert directory part of assembly location to lowercase
 524                                 Assert.IsFalse (Path.GetDirectoryName (assembly.Location) == string.Empty, "#4");
 525                         }
 526
 527                         public void bug78468 (string assemblyFileName)
 528                         {
 529                                 AssemblyName assemblyName = new AssemblyName ();
 530                                 assemblyName.Name = "bug78468b";
 531
 532                                 AssemblyBuilder ab = AppDomain.CurrentDomain
 533                                         .DefineDynamicAssembly (assemblyName,
 534                                         AssemblyBuilderAccess.Save,
 535                                         Path.GetDirectoryName (assemblyFileName),
 536                                         AppDomain.CurrentDomain.Evidence);
 537                                 ab.AddResourceFile ("read", "readme.txt");
 538                                 ab.Save (Path.GetFileName (assemblyFileName));
 539
 540                                 Assembly assembly = Assembly.LoadFrom (assemblyFileName, AppDomain.CurrentDomain.Evidence);
 541                                 Assert.IsTrue (assembly.Location != string.Empty, "#B1");
 542                                 string[] resNames = assembly.GetManifestResourceNames ();
 543                                 Assert.IsNotNull (resNames, "#B2");
 544                                 Assert.AreEqual (1, resNames.Length, "#B3");
 545                                 Assert.AreEqual ("read", resNames[0], "#B4");
 546                                 ManifestResourceInfo resInfo = assembly.GetManifestResourceInfo ("read");
 547                                 Assert.IsNotNull (resInfo, "#B5");
 548                                 Assert.AreEqual ("readme.txt", resInfo.FileName, "#B6");
 549                                 Assert.IsNull (resInfo.ReferencedAssembly, "#B7");
 550                                 Assert.AreEqual ((ResourceLocation) 0, resInfo.ResourceLocation, "#B8");
 551                                 Stream s = assembly.GetManifestResourceStream ("read");
 552                                 Assert.IsNotNull (s, "#B9");
 553                                 s.Close ();
 554                                 s = assembly.GetFile ("readme.txt");
 555                                 Assert.IsNotNull (s, "#B10");
 556                                 s.Close ();
 557                         }
 558                 }
 559         }
 560 }