mcs/class/corlib/Test/System/EnumTest.cs

   1 // EnumTest.cs - NUnit Test Cases for the System.Enum class
   2 //
   3 // David Brandt (bucky@keystreams.com)
   4 // Gert Driesen (drieseng@users.sourceforge.net)
   5 //
   6 // (C) Ximian, Inc.  http://www.ximian.com
   7 //
   8
   9 using System;
  10 using System.IO;
  11 using System.Reflection;
  12
  13 using NUnit.Framework;
  14
  15 namespace MonoTests.System
  16 {
  17         [TestFixture]
  18         public class EnumTest
  19         {
  20                 [Test]
  21                 public void TestCompareTo ()
  22                 {
  23                         Enum e1 = new TestingEnum ();
  24                         Enum e2 = new TestingEnum ();
  25                         Enum e3 = new TestingEnum2 ();
  26
  27                         Assert.AreEqual (0, e1.CompareTo (e1), "#A1");
  28                         Assert.AreEqual (0, e1.CompareTo (e2), "#A2");
  29
  30                         TestingEnum x = TestingEnum.This;
  31                         TestingEnum y = TestingEnum.Is;
  32                         Assert.AreEqual (0, x.CompareTo (x), "#B1");
  33                         Assert.AreEqual (-1, x.CompareTo (y), "#B2");
  34                         Assert.AreEqual (1, y.CompareTo (x), "#B3");
  35
  36                         try {
  37                                 e1.CompareTo (e3);
  38                                 Assert.Fail ("#C1");
  39                         } catch (ArgumentException ex) {
  40                                 // Object must be the same type as the enum.
  41                                 // The type passed in was MonoTests.System.EnumTest+TestingEnum2;
  42                                 // the enum type was MonoTests.System.EnumTest+TestingEnum
  43                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#A2");
  44                                 Assert.IsNull (ex.InnerException, "#A3");
  45                                 Assert.IsNotNull (ex.Message, "#A4");
  46                                 Assert.IsTrue (ex.Message.IndexOf (typeof (TestingEnum).FullName) != -1, "#A5");
  47                                 Assert.IsTrue (ex.Message.IndexOf (typeof (TestingEnum2).FullName) != -1, "#A6");
  48                                 Assert.IsNull (ex.ParamName, "#A7");
  49                         }
  50
  51                         try {
  52                                 ((Enum) e1).CompareTo ((Enum) e3);
  53                                 Assert.Fail ("#D1");
  54                         } catch (ArgumentException ex) {
  55                                 // Object must be the same type as the enum.
  56                                 // The type passed in was MonoTests.System.EnumTest+TestingEnum2;
  57                                 // the enum type was MonoTests.System.EnumTest+TestingEnum
  58                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#D2");
  59                                 Assert.IsNull (ex.InnerException, "#D3");
  60                                 Assert.IsNotNull (ex.Message, "#D4");
  61                                 Assert.IsTrue (ex.Message.IndexOf (typeof (TestingEnum).FullName) != -1, "#D5");
  62                                 Assert.IsTrue (ex.Message.IndexOf (typeof (TestingEnum2).FullName) != -1, "#D6");
  63                                 Assert.IsNull (ex.ParamName, "#D7");
  64                         }
  65                 }
  66
  67                 [Test]
  68                 public void TestEquals ()
  69                 {
  70                         Enum e1 = new TestingEnum ();
  71                         Enum e2 = new TestingEnum ();
  72                         Enum e3 = new TestingEnum2 ();
  73
  74                         Assert.IsTrue (e1.Equals (e1), "#1");
  75                         Assert.IsTrue (e1.Equals (e2), "#2");
  76                         Assert.IsFalse (e1.Equals (e3), "#3");
  77                         Assert.IsFalse (e1.Equals (null), "#4");
  78                 }
  79
  80                 [Test]
  81                 public void TestFormat_Args ()
  82                 {
  83                         try {
  84                                 TestingEnum x = TestingEnum.Test;
  85                                 Enum.Format (null, x, "G");
  86                                 Assert.Fail ("#A1");
  87                         } catch (ArgumentNullException ex) {
  88                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#A2");
  89                                 Assert.IsNull (ex.InnerException, "#A3");
  90                                 Assert.IsNotNull (ex.Message, "#A4");
  91                                 Assert.IsNotNull (ex.ParamName, "#A5");
  92                                 Assert.AreEqual ("enumType", ex.ParamName, "#A6");
  93                         }
  94
  95                         try {
  96                                 Enum.Format (typeof (TestingEnum), null, "G");
  97                                 Assert.Fail ("#B1");
  98                         } catch (ArgumentNullException ex) {
  99                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#B2");
 100                                 Assert.IsNull (ex.InnerException, "#B3");
 101                                 Assert.IsNotNull (ex.Message, "#B4");
 102                                 Assert.IsNotNull (ex.ParamName, "#B5");
 103                                 Assert.AreEqual ("value", ex.ParamName, "#B6");
 104                         }
 105
 106                         try {
 107                                 TestingEnum x = TestingEnum.Test;
 108                                 Enum.Format (x.GetType (), x, null);
 109                                 Assert.Fail ("#C1");
 110                         } catch (ArgumentNullException ex) {
 111                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#C2");
 112                                 Assert.IsNull (ex.InnerException, "#C3");
 113                                 Assert.IsNotNull (ex.Message, "#C4");
 114                                 Assert.IsNotNull (ex.ParamName, "#C5");
 115                                 Assert.AreEqual ("format", ex.ParamName, "#C6");
 116                         }
 117
 118                         try {
 119                                 TestingEnum x = TestingEnum.Test;
 120                                 Enum.Format (typeof (string), x, "G");
 121                                 Assert.Fail ("#D1");
 122                         } catch (ArgumentException ex) {
 123                                 // Type provided must be an Enum
 124                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#A2");
 125                                 Assert.IsNull (ex.InnerException, "#A3");
 126                                 Assert.IsNotNull (ex.Message, "#A4");
 127                                 Assert.IsNotNull (ex.ParamName, "#A5");
 128                                 Assert.AreEqual ("enumType", ex.ParamName, "#A6");
 129                         }
 130
 131                         try {
 132                                 TestingEnum x = TestingEnum.Test;
 133                                 TestingEnum2 y = TestingEnum2.Test;
 134                                 Enum.Format (y.GetType (), x, "G");
 135                                 Assert.Fail ("#E1");
 136                         } catch (ArgumentException ex) {
 137                                 // Object must be the same type as the enum. The type passed in was
 138                                 // MonoTests.System.EnumTest.TestingEnum2; the enum type was
 139                                 // MonoTests.System.EnumTest.TestingEnum
 140                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#E2");
 141                                 Assert.IsNull (ex.InnerException, "#E3");
 142                                 Assert.IsNotNull (ex.Message, "#E4");
 143                                 Assert.IsTrue (ex.Message.IndexOf (typeof (TestingEnum2).FullName) != -1, "#E5");
 144                                 Assert.IsTrue (ex.Message.IndexOf (typeof (TestingEnum).FullName) != -1, "#E6");
 145                                 Assert.IsNull (ex.ParamName, "#A7");
 146                         }
 147
 148                         try {
 149                                 String bad = "huh?";
 150                                 TestingEnum x = TestingEnum.Test;
 151                                 Enum.Format (x.GetType (), bad, "G");
 152                                 Assert.Fail ("#F1");
 153                         } catch (ArgumentException ex) {
 154                                 // Enum underlying type and the object must be the same type or
 155                                 // object. Type passed in was String.String; the enum underlying
 156                                 // was System.Int32
 157                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#F2");
 158                                 Assert.IsNull (ex.InnerException, "#F3");
 159                                 Assert.IsNotNull (ex.Message, "#F4");
 160                                 Assert.IsTrue (ex.Message.IndexOf (typeof (string).FullName) != -1, "#F5");
 161                                 Assert.IsTrue (ex.Message.IndexOf (typeof (int).FullName) != -1, "#F6");
 162                                 Assert.IsNull (ex.ParamName, "#F7");
 163                         }
 164
 165                         string [] codes = {"a", "b", "c", "ad", "e", "af", "ag", "h",
 166                                   "i", "j", "k", "l", "m", "n", "o", "p",
 167                                   "q", "r", "s", "t", "u", "v", "w", "ax",
 168                                   "y", "z"};
 169                         foreach (string code in codes) {
 170                                 try {
 171                                         TestingEnum x = TestingEnum.Test;
 172                                         Enum.Format (x.GetType (), x, code);
 173                                         Assert.Fail ("#G1:" + code);
 174                                 } catch (FormatException ex) {
 175                                         // Format String can be only "G","g","X","x","F","f","D" or "d"
 176                                         Assert.AreEqual (typeof (FormatException), ex.GetType (), "#G2");
 177                                         Assert.IsNull (ex.InnerException, "#G3");
 178                                         Assert.IsNotNull (ex.Message, "#G4");
 179                                 }
 180                         }
 181
 182                         TestingEnum test = TestingEnum.Test;
 183                         Assert.AreEqual ("3", Enum.Format (test.GetType (), test, "d"), "#H1");
 184                         Assert.AreEqual ("18446744073709551615", Enum.Format (typeof (TestingEnum3), TestingEnum3.Test, "d"), "#H2");
 185                         Assert.AreEqual ("Test", Enum.Format (test.GetType (), test, "g"), "#H3");
 186                         Assert.AreEqual ("00000003", Enum.Format (test.GetType (), test, "x"), "#H4");
 187                         Assert.AreEqual ("Test", Enum.Format (test.GetType (), test, "f"), "#H5");
 188                 }
 189
 190                 [Test]
 191                 public void TestFormat_FormatSpecifier ()
 192                 {
 193                         ParameterAttributes pa =
 194                                 ParameterAttributes.In | ParameterAttributes.HasDefault;
 195                         const string fFormatOutput = "In, HasDefault";
 196                         const string xFormatOutput = "00001001";
 197                         string fOutput = Enum.Format (pa.GetType (), pa, "f");
 198                         Assert.AreEqual (fFormatOutput, fOutput, "#A1");
 199                         string xOutput = Enum.Format (pa.GetType (), pa, "x");
 200                         Assert.AreEqual (xFormatOutput, xOutput, "#A2");
 201
 202                         Assert.AreEqual ("00", TestingEnum4.This.ToString ("x"), "#B1");
 203                         Assert.AreEqual ("00", TestingEnum4.This.ToString ("X"), "#B2");
 204 #if !TARGET_JVM // This appears not to work under .Net
 205                         Assert.AreEqual ("ff", TestingEnum4.Test.ToString ("x"), "#B3");
 206 #endif // TARGET_JVM
 207                         Assert.AreEqual ("FF", TestingEnum4.Test.ToString ("X"), "#B4");
 208
 209                         Assert.AreEqual ("0000", TestingEnum5.This.ToString ("x"), "#C1");
 210                         Assert.AreEqual ("0000", TestingEnum5.This.ToString ("X"), "#C2");
 211 #if !TARGET_JVM // This appears not to work under .Net
 212                         Assert.AreEqual ("7fff", TestingEnum5.Test.ToString ("x"), "#C3");
 213 #endif // TARGET_JVM
 214                         Assert.AreEqual ("7FFF", TestingEnum5.Test.ToString ("X"), "#C4");
 215
 216                         Assert.AreEqual ("00000000", TestingEnum6.This.ToString ("x"), "#D1");
 217                         Assert.AreEqual ("00000000", TestingEnum6.This.ToString ("X"), "#D2");
 218 #if !TARGET_JVM // This appears not to work under .Net
 219                         Assert.AreEqual ("7fffffff", TestingEnum6.Test.ToString ("x"), "#D3");
 220 #endif // TARGET_JVM
 221                         Assert.AreEqual ("7FFFFFFF", TestingEnum6.Test.ToString ("X"), "#D4");
 222
 223                         Assert.AreEqual ("0000000000000000", TestingEnum3.This.ToString ("x"), "#E1");
 224                         Assert.AreEqual ("0000000000000000", TestingEnum3.This.ToString ("X"), "#E2");
 225 #if !TARGET_JVM // This appears not to work under .Net
 226                         Assert.AreEqual ("ffffffffffffffff", TestingEnum3.Test.ToString ("x"), "#E3");
 227 #endif // TARGET_JVM
 228                         Assert.AreEqual ("FFFFFFFFFFFFFFFF", TestingEnum3.Test.ToString ("X"), "#E4");
 229                 }
 230
 231                 [Test]
 232                 public void TestGetHashCode ()
 233                 {
 234                         Enum e1 = new TestingEnum ();
 235                         Enum e2 = new TestingEnum2 ();
 236
 237                         Assert.AreEqual (e1.GetHashCode (), e1.GetHashCode ());
 238                 }
 239
 240                 [Test]
 241                 public void GetName ()
 242                 {
 243                         try {
 244                                 TestingEnum x = TestingEnum.Test;
 245                                 Enum.GetName (null, x);
 246                                 Assert.Fail ("#A1");
 247                         } catch (ArgumentNullException ex) {
 248                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#A2");
 249                                 Assert.IsNull (ex.InnerException, "#A3");
 250                                 Assert.IsNotNull (ex.Message, "#A4");
 251                                 Assert.IsNotNull (ex.ParamName, "#A5");
 252                                 Assert.AreEqual ("enumType", ex.ParamName, "#A6");
 253                         }
 254
 255                         try {
 256                                 TestingEnum x = TestingEnum.Test;
 257                                 Enum.GetName (x.GetType (), null);
 258                                 Assert.Fail ("#B1");
 259                         } catch (ArgumentNullException ex) {
 260                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#B2");
 261                                 Assert.IsNull (ex.InnerException, "#B3");
 262                                 Assert.IsNotNull (ex.Message, "#B4");
 263                                 Assert.IsNotNull (ex.ParamName, "#B5");
 264                                 Assert.AreEqual ("value", ex.ParamName, "#B6");
 265                         }
 266
 267                         try {
 268                                 String bad = "huh?";
 269                                 TestingEnum x = TestingEnum.Test;
 270                                 Enum.GetName (bad.GetType (), x);
 271                                 Assert.Fail ("#C1");
 272                         } catch (ArgumentException ex) {
 273                                 // Type provided must be an Enum
 274                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#C2");
 275                                 Assert.IsNull (ex.InnerException, "#C3");
 276                                 Assert.IsNotNull (ex.Message, "#C4");
 277                                 Assert.IsNotNull (ex.ParamName, "#C5");
 278                                 Assert.AreEqual ("enumType", ex.ParamName, "#C6");
 279                         }
 280
 281                         try {
 282                                 String bad = "huh?";
 283                                 TestingEnum x = TestingEnum.Test;
 284                                 Enum.GetName (x.GetType (), bad);
 285                                 Assert.Fail ("#D1");
 286                         } catch (ArgumentException ex) {
 287                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#D2");
 288                                 Assert.IsNull (ex.InnerException, "#D3");
 289                                 Assert.IsNotNull (ex.Message, "#D4");
 290                                 Assert.IsNotNull (ex.ParamName, "#D5");
 291                                 Assert.AreEqual ("value", ex.ParamName, "#D6");
 292                         }
 293
 294                         TestingEnum a = TestingEnum.This;
 295                         TestingEnum b = TestingEnum.Is;
 296                         TestingEnum c = TestingEnum.A;
 297                         TestingEnum2 d = TestingEnum2.Test;
 298
 299                         Assert.AreEqual ("This", Enum.GetName (a.GetType (), a), "#E1");
 300                         Assert.AreEqual ("Is", Enum.GetName (b.GetType (), b), "#E2");
 301                         Assert.AreEqual ("A", Enum.GetName (c.GetType (), c), "#E3");
 302                         Assert.AreEqual ("Test", Enum.GetName (c.GetType (), d), "#E4");
 303                 }
 304
 305                 [Test]
 306                 public void TestGetNames ()
 307                 {
 308                         try {
 309                                 Enum.GetNames (null);
 310                                 Assert.Fail ("#A1");
 311                         } catch (ArgumentNullException ex) {
 312                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#A2");
 313                                 Assert.IsNull (ex.InnerException, "#A3");
 314                                 Assert.IsNotNull (ex.Message, "#A4");
 315                                 Assert.IsNotNull (ex.ParamName, "#A5");
 316                                 Assert.AreEqual ("enumType", ex.ParamName, "#A6");
 317                         }
 318
 319                         TestingEnum x = TestingEnum.This;
 320                         string [] match = { "This", "Is", "A", "Test" };
 321                         string [] names = Enum.GetNames (x.GetType ());
 322                         Assert.IsNotNull (names, "#B1");
 323                         Assert.AreEqual (match.Length, names.Length, "#B2");
 324                         for (int i = 0; i < names.Length; i++)
 325                                 Assert.AreEqual (match [i], names [i], "#B3");
 326                 }
 327
 328                 [Test]
 329                 public void TestGetTypeCode ()
 330                 {
 331                         TestingEnum x = TestingEnum.This;
 332                         TestingEnum y = new TestingEnum ();
 333                         Assert.AreEqual (TypeCode.Int32, x.GetTypeCode (), "#1");
 334                         Assert.AreEqual (TypeCode.Int32, y.GetTypeCode (), "#2");
 335                 }
 336
 337                 [Test]
 338                 public void TestGetUnderlyingType ()
 339                 {
 340                         try {
 341                                 Enum.GetUnderlyingType (null);
 342                                 Assert.Fail ("#A1");
 343                         } catch (ArgumentNullException ex) {
 344                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#A2");
 345                                 Assert.IsNull (ex.InnerException, "#A3");
 346                                 Assert.IsNotNull (ex.Message, "#A4");
 347                                 Assert.IsNotNull (ex.ParamName, "#A5");
 348                                 Assert.AreEqual ("enumType", ex.ParamName, "#A6");
 349                         }
 350
 351                         try {
 352                                 String bad = "huh?";
 353                                 Enum.GetUnderlyingType (bad.GetType ());
 354                                 Assert.Fail ("#B1");
 355                         } catch (ArgumentException ex) {
 356                                 // Type provided must be an Enum
 357                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#B2");
 358                                 Assert.IsNull (ex.InnerException, "#B3");
 359                                 Assert.IsNotNull (ex.Message, "#B4");
 360                                 Assert.IsNotNull (ex.ParamName, "#B5");
 361                                 Assert.AreEqual ("enumType", ex.ParamName, "#B6");
 362                         }
 363
 364                         short sh = 5;
 365                         int i = 5;
 366                         Enum t1 = new TestingEnum ();
 367                         Enum t2 = new TestShortEnum ();
 368                         Assert.AreEqual (i.GetType (), Enum.GetUnderlyingType (t1.GetType ()), "#C1");
 369                         Assert.AreEqual (sh.GetType (), Enum.GetUnderlyingType (t2.GetType ()), "#C2");
 370                 }
 371
 372                 [Test]
 373                 public void TestGetValues ()
 374                 {
 375                         try {
 376                                 Enum.GetValues (null);
 377                                 Assert.Fail ("#A1");
 378                         } catch (ArgumentNullException ex) {
 379                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#A2");
 380                                 Assert.IsNull (ex.InnerException, "#A3");
 381                                 Assert.IsNotNull (ex.Message, "#A4");
 382                                 Assert.IsNotNull (ex.ParamName, "#A5");
 383                                 Assert.AreEqual ("enumType", ex.ParamName, "#A6");
 384                         }
 385
 386                         try {
 387                                 String bad = "huh?";
 388                                 Enum.GetValues (bad.GetType ());
 389                                 Assert.Fail ("#B1");
 390                         } catch (ArgumentException ex) {
 391                                 // Type provided must be an Enum
 392                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#B2");
 393                                 Assert.IsNull (ex.InnerException, "#B3");
 394                                 Assert.IsNotNull (ex.Message, "#B4");
 395                                 Assert.IsNotNull (ex.ParamName, "#B5");
 396                                 Assert.AreEqual ("enumType", ex.ParamName, "#B6");
 397                         }
 398
 399                         Enum t1 = new TestingEnum ();
 400                         Array a1 = Enum.GetValues (t1.GetType ());
 401                         for (int i = 0; i < a1.Length; i++)
 402                                 Assert.AreEqual ((TestingEnum) i, a1.GetValue (i), "#C1");
 403
 404                         Enum t2 = new TestShortEnum ();
 405                         Array a2 = Enum.GetValues (t2.GetType ());
 406                         for (short i = 0; i < a1.Length; i++)
 407                                 Assert.AreEqual ((TestShortEnum) i, a2.GetValue (i), "#C2");
 408                 }
 409
 410                 [Test]
 411                 public void TestIsDefined ()
 412                 {
 413                         try {
 414                                 Enum.IsDefined (null, 1);
 415                                 Assert.Fail ("#A1");
 416                         } catch (ArgumentNullException ex) {
 417                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#A2");
 418                                 Assert.IsNull (ex.InnerException, "#A3");
 419                                 Assert.IsNotNull (ex.Message, "#A4");
 420                                 Assert.IsNotNull (ex.ParamName, "#A5");
 421                                 Assert.AreEqual ("enumType", ex.ParamName, "#A6");
 422                         }
 423
 424                         try {
 425                                 TestingEnum x = TestingEnum.Test;
 426                                 Enum.IsDefined (x.GetType (), null);
 427                                 Assert.Fail ("#B1");
 428                         } catch (ArgumentNullException ex) {
 429                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#B2");
 430                                 Assert.IsNull (ex.InnerException, "#B3");
 431                                 Assert.IsNotNull (ex.Message, "#B4");
 432                                 Assert.IsNotNull (ex.ParamName, "#B5");
 433                                 Assert.AreEqual ("value", ex.ParamName, "#B6");
 434                         }
 435
 436                         try {
 437                                 String bad = "huh?";
 438                                 int i = 4;
 439                                 Enum.IsDefined (bad.GetType (), i);
 440                                 Assert.Fail ("#C1");
 441                         } catch (ArgumentException ex) {
 442                                 // Type provided must be an Enum
 443                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#C2");
 444                                 Assert.IsNull (ex.InnerException, "#C3");
 445                                 Assert.IsNotNull (ex.Message, "#C4");
 446                                 Assert.IsNotNull (ex.ParamName, "#C5");
 447                                 Assert.AreEqual ("enumType", ex.ParamName, "#C6");
 448                         }
 449
 450                         try {
 451                                 TestingEnum x = TestingEnum.Test;
 452                                 short i = 4;
 453                                 Enum.IsDefined (x.GetType (), i);
 454                                 Assert.Fail ("#D1");
 455                         } catch (ArgumentException ex) {
 456                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#D2");
 457                                 Assert.IsNull (ex.InnerException, "#D3");
 458                                 Assert.IsNotNull (ex.Message, "#D4");
 459                                 Assert.IsNull (ex.ParamName, "#D5");
 460                         }
 461
 462                         Enum t1 = new TestingEnum ();
 463                         int valCount = Enum.GetValues (t1.GetType ()).Length;
 464                         for (int i = 0; i < valCount; i++)
 465                                 Assert.IsTrue (Enum.IsDefined (t1.GetType (), i), "#F1:" + i);
 466                         Assert.IsFalse (Enum.IsDefined (t1.GetType (), valCount), "#F2");
 467                         Assert.IsFalse (Enum.IsDefined (typeof (TestingEnum), "huh?"), "#F3");
 468                 }
 469
 470                 [Test]
 471                 public void TestParse1 ()
 472                 {
 473                         try {
 474                                 String name = "huh?";
 475                                 Enum.Parse (null, name);
 476                                 Assert.Fail ("#A1");
 477                         } catch (ArgumentNullException ex) {
 478                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#A2");
 479                                 Assert.IsNull (ex.InnerException, "#A3");
 480                                 Assert.IsNotNull (ex.Message, "#A4");
 481                                 Assert.IsNotNull (ex.ParamName, "#A5");
 482                                 Assert.AreEqual ("enumType", ex.ParamName, "#A6");
 483                         }
 484
 485                         try {
 486                                 TestingEnum x = TestingEnum.Test;
 487                                 Enum.Parse (x.GetType (), null);
 488                                 Assert.Fail ("#B1");
 489                         } catch (ArgumentNullException ex) {
 490                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#B2");
 491                                 Assert.IsNull (ex.InnerException, "#B3");
 492                                 Assert.IsNotNull (ex.Message, "#B4");
 493                                 Assert.IsNotNull (ex.ParamName, "#B5");
 494                                 Assert.AreEqual ("value", ex.ParamName, "#B6");
 495                         }
 496
 497                         try {
 498                                 String bad = "huh?";
 499                                 Enum.Parse (bad.GetType (), bad);
 500                                 Assert.Fail ("#C1");
 501                         } catch (ArgumentException ex) {
 502                                 // Type provided must be an Enum
 503                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#C2");
 504                                 Assert.IsNull (ex.InnerException, "#C3");
 505                                 Assert.IsNotNull (ex.Message, "#C4");
 506                                 Assert.IsNotNull (ex.ParamName, "#C5");
 507                                 Assert.AreEqual ("enumType", ex.ParamName, "#C6");
 508                         }
 509
 510                         try {
 511                                 TestingEnum x = TestingEnum.Test;
 512                                 String bad = "";
 513                                 Enum.Parse (x.GetType (), bad);
 514                                 Assert.Fail ("#D1");
 515                         } catch (ArgumentException ex) {
 516                                 // Must specify valid information for parsing
 517                                 // in the string
 518                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#D2");
 519                                 Assert.IsNull (ex.InnerException, "#D3");
 520                                 Assert.IsNotNull (ex.Message, "#D4");
 521                                 Assert.IsNull (ex.ParamName, "#D5");
 522                         }
 523
 524                         try {
 525                                 TestingEnum x = TestingEnum.Test;
 526                                 String bad = " ";
 527                                 Enum.Parse (x.GetType (), bad);
 528                                 Assert.Fail ("#E1");
 529                         } catch (ArgumentException ex) {
 530                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#E2");
 531                                 Assert.IsNull (ex.InnerException, "#E3");
 532                                 Assert.IsNotNull (ex.Message, "#E4");
 533                                 Assert.IsNull (ex.ParamName, "#E5");
 534                         }
 535
 536                         try {
 537                                 String bad = "huh?";
 538                                 TestingEnum x = TestingEnum.Test;
 539                                 Enum.Parse (x.GetType (), bad);
 540                                 Assert.Fail ("#F1");
 541                         } catch (ArgumentException ex) {
 542                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#F2");
 543                                 Assert.IsNull (ex.InnerException, "#F3");
 544                                 Assert.IsNotNull (ex.Message, "#F4");
 545                                 Assert.IsNull (ex.ParamName, "#F5");
 546                         }
 547
 548                         TestingEnum t1 = new TestingEnum ();
 549                         Assert.AreEqual (TestingEnum.This, Enum.Parse (t1.GetType (), "This"), "#G1");
 550                         Assert.AreEqual (TestingEnum.Is, Enum.Parse (t1.GetType (), "Is"), "#G2");
 551                         Assert.AreEqual (TestingEnum.A, Enum.Parse (t1.GetType (), "A"), "#G3");
 552                         Assert.AreEqual (TestingEnum.Test, Enum.Parse (t1.GetType (), "Test"), "#G4");
 553                         Assert.AreEqual (TestingEnum.Test, Enum.Parse (t1.GetType (), "    \n\nTest\t"), "#G5");
 554                         Assert.AreEqual (TestingEnum.Is, Enum.Parse (t1.GetType (), "This,Is"), "#G6");
 555                         Assert.AreEqual (TestingEnum.Test, Enum.Parse (t1.GetType (), "This,Test"), "#G7");
 556                         Assert.AreEqual (TestingEnum.Test, Enum.Parse (t1.GetType (), "This,Is,A"), "#G8");
 557                         Assert.AreEqual (TestingEnum.Test, Enum.Parse (t1.GetType (), "   \n\tThis \t\n,    Is,A \n"), "#G9");
 558                 }
 559
 560                 [Test]
 561                 public void TestParse2 ()
 562                 {
 563                         try {
 564                                 String name = "huh?";
 565                                 Enum.Parse (null, name, true);
 566                                 Assert.Fail ("#A1");
 567                         } catch (ArgumentNullException ex) {
 568                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#A2");
 569                                 Assert.IsNull (ex.InnerException, "#A3");
 570                                 Assert.IsNotNull (ex.Message, "#A4");
 571                                 Assert.IsNotNull (ex.ParamName, "#A5");
 572                                 Assert.AreEqual ("enumType", ex.ParamName, "#A6");
 573                         }
 574
 575                         try {
 576                                 TestingEnum x = TestingEnum.Test;
 577                                 Enum.Parse (x.GetType (), null, true);
 578                                 Assert.Fail ("#B1");
 579                         } catch (ArgumentNullException ex) {
 580                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#B2");
 581                                 Assert.IsNull (ex.InnerException, "#B3");
 582                                 Assert.IsNotNull (ex.Message, "#B4");
 583                                 Assert.IsNotNull (ex.ParamName, "#B5");
 584                                 Assert.AreEqual ("value", ex.ParamName, "#B6");
 585                         }
 586
 587                         try {
 588                                 String bad = "huh?";
 589                                 Enum.Parse (bad.GetType (), bad, true);
 590                                 Assert.Fail ("#C1");
 591                         } catch (ArgumentException ex) {
 592                                 // Type provided must be an Enum
 593                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#D2");
 594                                 Assert.IsNull (ex.InnerException, "#D3");
 595                                 Assert.IsNotNull (ex.Message, "#D4");
 596                                 Assert.IsNotNull (ex.ParamName, "#D5");
 597                                 Assert.AreEqual ("enumType", ex.ParamName, "#D6");
 598                         }
 599
 600                         try {
 601                                 TestingEnum x = TestingEnum.Test;
 602                                 String bad = "";
 603                                 Enum.Parse (x.GetType (), bad, true);
 604                                 Assert.Fail ("#E1");
 605                         } catch (ArgumentException ex) {
 606                                 // Must specify valid information for parsing
 607                                 // in the string
 608                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#E2");
 609                                 Assert.IsNull (ex.InnerException, "#E3");
 610                                 Assert.IsNotNull (ex.Message, "#E4");
 611                                 Assert.IsNull (ex.ParamName, "#E5");
 612                         }
 613
 614                         try {
 615                                 TestingEnum x = TestingEnum.Test;
 616                                 String bad = " ";
 617                                 Enum.Parse (x.GetType (), bad, true);
 618                                 Assert.Fail ("#F1");
 619                         } catch (ArgumentException ex) {
 620                                 // Must specify valid information for parsing
 621                                 // in the string
 622                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#F2");
 623                                 Assert.IsNull (ex.InnerException, "#F3");
 624                                 Assert.IsNotNull (ex.Message, "#F4");
 625                                 Assert.IsFalse (ex.Message.IndexOf ("' '") != -1, "#F5");
 626                                 Assert.IsNull (ex.ParamName, "#F6");
 627                         }
 628
 629                         try {
 630                                 String bad = "huh?";
 631                                 TestingEnum x = TestingEnum.Test;
 632                                 Enum.Parse (x.GetType (), bad, true);
 633                                 Assert.Fail ("#G1");
 634                         } catch (ArgumentException ex) {
 635                                 // Requested value 'huh?' was not found
 636                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#G2");
 637                                 Assert.IsNull (ex.InnerException, "#G3");
 638                                 Assert.IsNotNull (ex.Message, "#G4");
 639 #if NET_2_0
 640                                 Assert.IsTrue (ex.Message.IndexOf ("'huh?'") != -1, "#G5");
 641 #else
 642                                 Assert.IsTrue (ex.Message.IndexOf ("huh?") != -1, "#G5");
 643 #endif
 644                                 Assert.IsNull (ex.ParamName, "#G6");
 645                         }
 646
 647                         try {
 648                                 String bad = "test";
 649                                 TestingEnum x = TestingEnum.Test;
 650                                 Enum.Parse (x.GetType (), bad, false);
 651                                 Assert.Fail ("#H1");
 652                         } catch (ArgumentException ex) {
 653                                 // Requested value 'test' was not found
 654                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#H2");
 655                                 Assert.IsNull (ex.InnerException, "#H3");
 656                                 Assert.IsNotNull (ex.Message, "#H4");
 657 #if NET_2_0
 658                                 Assert.IsTrue (ex.Message.IndexOf ("'test'") != -1, "#H5");
 659 #else
 660                                 Assert.IsTrue (ex.Message.IndexOf ("test") != -1, "#H5");
 661 #endif
 662                                 Assert.IsNull (ex.ParamName, "#H6");
 663                         }
 664
 665                         TestingEnum t1 = new TestingEnum ();
 666                         Assert.AreEqual (TestingEnum.This, Enum.Parse (t1.GetType (), "this", true), "#I1");
 667                         Assert.AreEqual (TestingEnum.Is, Enum.Parse (t1.GetType (), "is", true), "#I2");
 668                         Assert.AreEqual (TestingEnum.A, Enum.Parse (t1.GetType (), "a", true), "#I3");
 669                         Assert.AreEqual (TestingEnum.Test, Enum.Parse (t1.GetType (), "test", true), "#I4");
 670                         Assert.AreEqual (TestingEnum.Test, Enum.Parse (t1.GetType (), "    \n\ntest\t", true), "#I5");
 671
 672                         Assert.AreEqual (TestingEnum.Is, Enum.Parse (t1.GetType (), "This,is", true), "#J1");
 673                         Assert.AreEqual (TestingEnum.Test, Enum.Parse (t1.GetType (), "This,test", true), "#J2");
 674                         Assert.AreEqual (TestingEnum.Test, Enum.Parse (t1.GetType (), "This,is,A", true), "#J3");
 675                         Assert.AreEqual (TestingEnum.Test, Enum.Parse (t1.GetType (), "   \n\tThis \t\n,    is,a \n", true), "#J4");
 676                 }
 677
 678                 [Test]
 679                 public void ParseValue ()
 680                 {
 681                         TestingEnum3 t1 = new TestingEnum3 ();
 682                         Assert.AreEqual (TestingEnum3.Test, Enum.Parse (t1.GetType (), "18446744073709551615", false));
 683                 }
 684
 685 #if NET_4_0
 686                 [Test]
 687                 public void TryParseErrors ()
 688                 {
 689                         TestingEnum result;
 690                         bool success;
 691
 692                         success = Enum.TryParse<TestingEnum> (null, out result);
 693                         Assert.AreEqual (false, success, "#A1");
 694                         Assert.AreEqual (TestingEnum.This, result, "#A2");
 695
 696                         success = Enum.TryParse<TestingEnum> ("WrongValue", out result);
 697                         Assert.AreEqual (false, success, "#B1");
 698                         Assert.AreEqual (TestingEnum.This, result, "#B2");
 699
 700                         success = Enum.TryParse<TestingEnum> (String.Empty, out result);
 701                         Assert.AreEqual (false, success, "#C1");
 702                         Assert.AreEqual (TestingEnum.This, result, "#C2");
 703
 704                         success = Enum.TryParse<TestingEnum> (" ", out result);
 705                         Assert.AreEqual (false, success, "#D1");
 706                         Assert.AreEqual (TestingEnum.This, result, "#D2");
 707
 708                         // TryParse throws ArgumentException if TEnum is not an enumeration type
 709                         try {
 710                                 int n;
 711                                 Enum.TryParse<int> ("31416", out n);
 712                                 Assert.Fail ("#E1");
 713                         } catch (ArgumentException ex) {
 714                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#E2");
 715                                 Assert.IsNull (ex.InnerException, "#E3");
 716                                 Assert.IsNotNull (ex.Message, "#E4");
 717                                 Assert.IsNotNull (ex.ParamName, "#E5");
 718                                 Assert.AreEqual ("enumType", ex.ParamName, "#E6");
 719                         }
 720                 }
 721
 722                 [Test]
 723                 public void TryParse ()
 724                 {
 725                         TestingEnum result;
 726                         bool success;
 727
 728                         success = Enum.TryParse<TestingEnum> ("Is", out result);
 729                         Assert.AreEqual (true, success, "#A1");
 730                         Assert.AreEqual (TestingEnum.Is, result, "#A2");
 731
 732                         success = Enum.TryParse<TestingEnum> ("100", out result);
 733                         Assert.AreEqual (true, success, "#C1");
 734                         Assert.AreEqual (((TestingEnum)100), result, "#C2");
 735
 736                         success = Enum.TryParse<TestingEnum> ("is", out result);
 737                         Assert.AreEqual (false, success, "#D1");
 738                         Assert.AreEqual (TestingEnum.This, result, "#D2");
 739
 740                         success = Enum.TryParse<TestingEnum> ("is", true, out result);
 741                         Assert.AreEqual (true, success, "#D1");
 742                         Assert.AreEqual (TestingEnum.Is, result, "#D2");
 743
 744                         success = Enum.TryParse<TestingEnum> ("  Is  ", out result);
 745                         Assert.AreEqual (true, success, "#E1");
 746                         Assert.AreEqual (TestingEnum.Is, result, "#E2");
 747                 }
 748 #endif
 749
 750                 [Test]
 751                 public void ToObject_EnumType_Int32 ()
 752                 {
 753                         object value = Enum.ToObject (typeof (TestingEnum), 0);
 754                         Assert.AreEqual (TestingEnum.This, value, "#1");
 755                         value = Enum.ToObject (typeof (TestingEnum), 2);
 756                         Assert.AreEqual (TestingEnum.A, value, "#2");
 757                 }
 758
 759                 [Test]
 760 #if ONLY_1_1
 761                 [Category ("NotDotNet")]
 762 #endif
 763                 public void ToObject_EnumType_UInt64 ()
 764                 {
 765                         object value = Enum.ToObject (typeof (TestingEnum3), 0);
 766                         Assert.AreEqual (TestingEnum3.This, value, "#1");
 767                         value = Enum.ToObject (typeof (TestingEnum3), 1);
 768                         Assert.AreEqual (TestingEnum3.Is, value, "#2");
 769                         value = Enum.ToObject (typeof (TestingEnum3), ulong.MaxValue);
 770                         Assert.AreEqual (TestingEnum3.Test, value, "#3");
 771                 }
 772
 773                 [Test]
 774                 public void ToObject_EnumType_Byte ()
 775                 {
 776                         object value = Enum.ToObject (typeof (TestingEnum4), 0);
 777                         Assert.AreEqual (TestingEnum4.This, value, "#1");
 778                         value = Enum.ToObject (typeof (TestingEnum4), byte.MaxValue);
 779                         Assert.AreEqual (TestingEnum4.Test, value, "#2");
 780                 }
 781
 782                 [Test]
 783                 public void ToObject_EnumType_Int16 ()
 784                 {
 785                         object value = Enum.ToObject (typeof (TestingEnum5), 0);
 786                         Assert.AreEqual (TestingEnum5.This, value, "#1");
 787                         value = Enum.ToObject (typeof (TestingEnum5), short.MaxValue);
 788                         Assert.AreEqual (TestingEnum5.Test, value, "#2");
 789                 }
 790
 791                 [Test]
 792                 public void ToObject_EnumType_Invalid ()
 793                 {
 794                         try {
 795                                 Enum.ToObject (typeof (string), 1);
 796                                 Assert.Fail ("#1");
 797                         } catch (ArgumentException ex) {
 798                                 // Type provided must be an Enum
 799                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#2");
 800                                 Assert.IsNull (ex.InnerException, "#3");
 801                                 Assert.IsNotNull (ex.Message, "#4");
 802                                 Assert.IsNotNull (ex.ParamName, "#5");
 803                                 Assert.AreEqual ("enumType", ex.ParamName, "#6");
 804                         }
 805                 }
 806
 807                 [Test]
 808                 public void ToObject_EnumType_Null ()
 809                 {
 810                         try {
 811                                 Enum.ToObject (null, 1);
 812                                 Assert.Fail ("#1");
 813                         } catch (ArgumentNullException ex) {
 814                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#2");
 815                                 Assert.IsNull (ex.InnerException, "#3");
 816                                 Assert.IsNotNull (ex.Message, "#4");
 817                                 Assert.IsNotNull (ex.ParamName, "#5");
 818                                 Assert.AreEqual ("enumType", ex.ParamName, "#6");
 819                         }
 820                 }
 821
 822                 [Test]
 823                 public void ToObject_Value_Null ()
 824                 {
 825                         try {
 826                                 Enum.ToObject (typeof (TestingEnum), (object) null);
 827                                 Assert.Fail ("#1");
 828                         } catch (ArgumentNullException ex) {
 829                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#2");
 830                                 Assert.IsNull (ex.InnerException, "#3");
 831                                 Assert.IsNotNull (ex.Message, "#4");
 832                                 Assert.IsNotNull (ex.ParamName, "#5");
 833                                 Assert.AreEqual ("value", ex.ParamName, "#6");
 834                         }
 835                 }
 836
 837                 [Test]
 838                 public void ToObject_Value_Invalid ()
 839                 {
 840                         try {
 841                                 Enum.ToObject (typeof (TestingEnum), "This");
 842                                 Assert.Fail ("#1");
 843                         } catch (ArgumentException ex) {
 844                                 // The value passed in must be an enum base or
 845                                 // an underlying type for an enum, such as an
 846                                 // Int32
 847                                 Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#2");
 848                                 Assert.IsNull (ex.InnerException, "#3");
 849                                 Assert.IsNotNull (ex.Message, "#4");
 850                                 Assert.IsNotNull (ex.ParamName, "#5");
 851                                 Assert.AreEqual ("value", ex.ParamName, "#6");
 852                         }
 853                 }
 854
 855                 [Test]
 856                 public void IConvertible_Valid ()
 857                 {
 858                         IConvertible ic = TestingEnum.This;
 859                         Assert.AreEqual ("This", ic.ToType (typeof (string), null), "#1");
 860                         Assert.AreEqual (TestingEnum.This, ic.ToType (typeof (TestingEnum), null), "#2");
 861                         Assert.AreEqual (TestingEnum.This, ic.ToType (typeof (Enum), null), "#3");
 862                 }
 863
 864                 [Test]
 865                 public void TestToString ()
 866                 {
 867                         Assert.AreEqual ("This", TestingEnum.This.ToString (), "#A1");
 868                         Assert.AreEqual ("Is", TestingEnum.Is.ToString (), "#A2");
 869                         Assert.AreEqual ("A", TestingEnum.A.ToString (), "#A3");
 870                         Assert.AreEqual ("Test", TestingEnum.Test.ToString (), "#A4");
 871
 872                         Enum is1 = TestingEnum.Is;
 873
 874                         Assert.AreEqual ("1", is1.ToString ("d"), "#B1");
 875                         Assert.AreEqual ("Is", is1.ToString ("g"), "#B2");
 876                         Assert.AreEqual ("00000001", is1.ToString ("x"), "#B3");
 877                         Assert.AreEqual ("Is", is1.ToString ("f"), "#B4");
 878
 879                         Assert.AreEqual ("b, c", ((SomeEnum) 3).ToString ("f"), "#C1");
 880                         Assert.AreEqual ("b, c", ((SomeByteEnum) 3).ToString ("f"), "#C2");
 881                         Assert.AreEqual ("b, c", ((SomeInt64Enum) 3).ToString ("f"), "#C3");
 882
 883                         Assert.AreEqual ("12", ((SomeEnum) 12).ToString ("f"), "#D1");
 884                         Assert.AreEqual ("12", ((SomeByteEnum) 12).ToString ("f"), "#D2");
 885                         Assert.AreEqual ("12", ((SomeInt64Enum) 12).ToString ("f"), "#D3");
 886                 }
 887
 888                 [Test]
 889                 public void FlagTest ()
 890                 {
 891                         int [] evalues = new int [4] { 0, 1, 2, 3 };
 892                         E [] e = new E [4] { E.Aa, E.Bb, E.Cc, E.Dd };
 893
 894                         for (int i = 0; i < 4; ++i)
 895                                 Assert.AreEqual (e [i].ToString (),
 896                                         Enum.Format (typeof (E), evalues [i], "f"),
 897                                         "#1" + i);
 898
 899                         int invalidValue = 1000;
 900
 901                         Assert.AreEqual (invalidValue.ToString (),
 902                                 Enum.Format (typeof (E2), invalidValue, "g"),
 903                                 "#2");
 904                 }
 905
 906                 [Test]
 907                 public void FlagTest_Negative ()
 908                 {
 909                         FlagsNegativeTestEnum t;
 910
 911                         t = FlagsNegativeTestEnum.None;
 912                         Assert.AreEqual ("None", t.ToString (), "#01");
 913                         t = FlagsNegativeTestEnum.One;
 914                         Assert.AreEqual ("One", t.ToString (), "#02");
 915                 }
 916
 917                 [Test]
 918                 public void AnotherFormatBugPinned ()
 919                 {
 920                         Assert.AreEqual ("100", Enum.Format (typeof (E3), 100, "f"));
 921                 }
 922
 923                 [Test]
 924                 public void LogicBugPinned ()
 925                 {
 926                         string format = null;
 927                         string [] names = new string [] { "A", "B", "C", "D", };
 928                         string [] fmtSpl = null;
 929                         UE ue = UE.A | UE.B | UE.C | UE.D;
 930
 931                         //all flags must be in format return
 932                         format = Enum.Format (typeof (UE), ue, "f");
 933                         fmtSpl = format.Split (',');
 934                         for (int i = 0; i < fmtSpl.Length; ++i)
 935                                 fmtSpl [i] = fmtSpl [i].Trim ();
 936
 937                         foreach (string nval in fmtSpl)
 938                                 Assert.IsTrue (Array.IndexOf (names, nval) >= 0, "#1:" + nval);
 939
 940                         foreach (string nval in names)
 941                                 Assert.IsTrue (Array.IndexOf (fmtSpl, nval) >= 0, "#2:" + nval);
 942                 }
 943                 // TODO - ToString with IFormatProviders
 944
 945                 [Test]
 946                 public void GetHashCode_ShouldBeEqualToUnderlyingType ()
 947                 {
 948                         Assert.AreEqual (EnInt8.A.GetHashCode(), SByte.MinValue, "i8#0");
 949                         Assert.AreEqual (EnInt8.B.GetHashCode(), 44, "i8#1");
 950                         Assert.AreEqual (EnInt8.C.GetHashCode(), SByte.MaxValue, "i8#2");
 951
 952                         Assert.AreEqual (EnUInt8.A.GetHashCode(), Byte.MinValue, "u8#0");
 953                         Assert.AreEqual (EnUInt8.B.GetHashCode(), 55, "u8#1");
 954                         Assert.AreEqual (EnUInt8.C.GetHashCode(), Byte.MaxValue, "u8#2");
 955
 956                         Assert.AreEqual (EnInt16.A.GetHashCode(), Int16.MinValue, "i16#0");
 957                         Assert.AreEqual (EnInt16.B.GetHashCode(), 66, "i16#1");
 958                         Assert.AreEqual (EnInt16.C.GetHashCode(), Int16.MaxValue, "i16#2");
 959
 960                         Assert.AreEqual (EnUInt16.A.GetHashCode(), UInt16.MinValue, "u16#0");
 961                         Assert.AreEqual (EnUInt16.B.GetHashCode(), 77, "u16#1");
 962                         Assert.AreEqual (EnUInt16.C.GetHashCode(), UInt16.MaxValue, "u16#2");
 963
 964                         Assert.AreEqual (EnInt32.A.GetHashCode(), Int32.MinValue, "i32#0");
 965                         Assert.AreEqual (EnInt32.B.GetHashCode(), 88, "i32#1");
 966                         Assert.AreEqual (EnInt32.C.GetHashCode(), Int32.MaxValue, "i32#2");
 967
 968                         Assert.AreEqual (EnUInt32.A.GetHashCode(), UInt32.MinValue, "u32#0");
 969                         Assert.AreEqual (EnUInt32.B.GetHashCode(), 99, "u32#1");
 970                         Assert.AreEqual (EnUInt32.C.GetHashCode(), UInt32.MaxValue.GetHashCode (), "u32#2");
 971
 972                         Assert.AreEqual (EnInt64.A.GetHashCode(), Int64.MinValue.GetHashCode (), "i64#0");
 973                         Assert.AreEqual (EnInt64.B.GetHashCode(), 3488924689489L.GetHashCode (), "i64#1");
 974                         Assert.AreEqual (EnInt64.C.GetHashCode(), Int64.MaxValue.GetHashCode (), "i64#2");
 975
 976                         Assert.AreEqual (EnUInt64.A.GetHashCode(), UInt64.MinValue.GetHashCode (), "u64#0");
 977                         Assert.AreEqual (EnUInt64.B.GetHashCode(), 3488924689489L.GetHashCode (), "u64#1");
 978                         Assert.AreEqual (EnUInt64.C.GetHashCode(), UInt64.MaxValue.GetHashCode (), "u64#2");
 979                 }
 980
 981                 [Test]
 982                 public void CompareTo_NotEqualToUnderlyingType ()
 983                 {
 984                         Assert.AreEqual (0, EnInt8.A.CompareTo (EnInt8.A), "i8#0");
 985                         Assert.AreEqual (-1, EnInt8.A.CompareTo (EnInt8.B), "i8#1");
 986                         Assert.AreEqual (1, EnInt8.B.CompareTo (EnInt8.A), "i8#2");
 987
 988                         Assert.AreEqual (0, EnUInt8.A.CompareTo (EnUInt8.A), "ui8#0");
 989                         Assert.AreEqual (-1,  EnUInt8.A.CompareTo (EnUInt8.B), "ui8#1");
 990                         Assert.AreEqual (1, EnUInt8.B.CompareTo (EnUInt8.A),"ui8#2");
 991
 992                         Assert.AreEqual (0, EnInt16.A.CompareTo (EnInt16.A), "i16#0");
 993                         Assert.AreEqual (-1, EnInt16.A.CompareTo (EnInt16.B), "i16#1");
 994                         Assert.AreEqual (1, EnInt16.B.CompareTo (EnInt16.A), "i16#2");
 995
 996                         Assert.AreEqual (0, EnUInt16.A.CompareTo (EnUInt16.A), "ui16#0");
 997                         Assert.AreEqual (-1, EnUInt16.A.CompareTo (EnUInt16.B), "ui16#1");
 998                         Assert.AreEqual (1, EnUInt16.B.CompareTo (EnUInt16.A), "ui16#2");
 999
1000                         Assert.AreEqual (int.MinValue.CompareTo (int.MinValue), EnInt32.A.CompareTo (EnInt32.A), "i32#0");
1001                         Assert.AreEqual (int.MinValue.CompareTo ((int)88), EnInt32.A.CompareTo (EnInt32.B), "i32#1");
1002                         Assert.AreEqual (((int)88).CompareTo (int.MinValue), EnInt32.B.CompareTo (EnInt32.A), "i32#2");
1003
1004                         Assert.AreEqual (uint.MinValue.CompareTo (uint.MinValue), EnUInt32.A.CompareTo (EnUInt32.A), "u32#0");
1005                         Assert.AreEqual (uint.MinValue.CompareTo ((uint)99), EnUInt32.A.CompareTo (EnUInt32.B), "u32#1");
1006                         Assert.AreEqual (((uint)99).CompareTo (uint.MinValue), EnUInt32.B.CompareTo (EnUInt32.A), "u32#2");
1007
1008                         Assert.AreEqual (long.MinValue.CompareTo (long.MinValue), EnInt64.A.CompareTo (EnInt64.A), "i64#0");
1009                         Assert.AreEqual (long.MinValue.CompareTo ((long)456), EnInt64.A.CompareTo (EnInt64.D), "i64#1");
1010                         Assert.AreEqual (((long)456).CompareTo (long.MinValue), EnInt64.D.CompareTo (EnInt64.A), "i64#2");
1011
1012                         Assert.AreEqual (ulong.MinValue.CompareTo (ulong.MinValue), EnUInt64.A.CompareTo (EnUInt64.A), "u64#0");
1013                         Assert.AreEqual (ulong.MinValue.CompareTo ((ulong)789),  EnUInt64.A.CompareTo (EnUInt64.D), "u64#1");
1014                         Assert.AreEqual (((ulong)789).CompareTo (ulong.MinValue), EnUInt64.D.CompareTo (EnUInt64.A), "u64#2");
1015                 }
1016
1017                 //
1018                 // This is used to verify that the output matches the specified behavior
1019                 // See bug #371559 for details.
1020                 //
1021                 [Test]
1022                 public void CompareOrder_FromGetNames ()
1023                 {
1024                         Array r = Enum.GetValues (typeof (EnumByte));
1025                         Assert.AreEqual (5, r.Length);
1026                         Assert.AreEqual ("byte_Cc", Enum.GetName (typeof (EnumByte), (EnumByte)(0x00)));
1027                         Assert.AreEqual ("byte_Cc", r.GetValue (0).ToString ());
1028                         Assert.AreEqual ("byte_Aa", Enum.GetName (typeof (EnumByte), (EnumByte)(0x05)));
1029                         Assert.AreEqual ("byte_Aa", r.GetValue (1).ToString ());
1030                         Assert.AreEqual ("byte_Ff", Enum.GetName (typeof (EnumByte), (EnumByte)(0x64)));
1031                         Assert.AreEqual ("byte_Ff", r.GetValue (2).ToString ());
1032                         Assert.AreEqual ("byte_Dd", Enum.GetName (typeof (EnumByte), (EnumByte)(0x7F)));
1033                         Assert.AreEqual ("byte_Dd", r.GetValue (3).ToString ());
1034                         Assert.AreEqual ("byte_Bb", Enum.GetName (typeof (EnumByte), (EnumByte)(0xFF)));
1035                         Assert.AreEqual ("byte_Bb", r.GetValue (4).ToString ());
1036
1037                         r = Enum.GetValues (typeof (EnumSByte));
1038                         Assert.AreEqual (6, r.Length);
1039                         Assert.AreEqual ("sbyte_Cc", Enum.GetName (typeof (EnumSByte), (EnumSByte)(0x00)));
1040                         Assert.AreEqual ("sbyte_Cc", r.GetValue (0).ToString ());
1041                         Assert.AreEqual ("sbyte_Aa", Enum.GetName (typeof (EnumSByte), (EnumSByte)(0x05)));
1042                         Assert.AreEqual ("sbyte_Aa", r.GetValue (1).ToString ());
1043                         Assert.AreEqual ("sbyte_Ff", Enum.GetName (typeof (EnumSByte), (EnumSByte)(0x64)));
1044                         Assert.AreEqual ("sbyte_Ff", r.GetValue (2).ToString ());
1045                         Assert.AreEqual ("sbyte_Ee", Enum.GetName (typeof (EnumSByte), (EnumSByte)(0x7F)));
1046                         Assert.AreEqual ("sbyte_Ee", r.GetValue (3).ToString ());
1047                         Assert.AreEqual ("sbyte_Bb", Enum.GetName (typeof (EnumSByte), unchecked ((EnumSByte)(0xF0))));
1048                         Assert.AreEqual ("sbyte_Bb", r.GetValue (4).ToString ());
1049                         Assert.AreEqual ("sbyte_Dd", Enum.GetName (typeof (EnumSByte), unchecked ((EnumSByte)(0xFF))));
1050                         Assert.AreEqual ("sbyte_Dd", r.GetValue (5).ToString ());
1051
1052                         r = Enum.GetValues (typeof (EnumUShort));
1053                         Assert.AreEqual (5, r.Length);
1054                         Assert.AreEqual ("ushort_Cc", Enum.GetName (typeof (EnumUShort), (EnumUShort)(0x0000)));
1055                         Assert.AreEqual ("ushort_Cc", r.GetValue (0).ToString ());
1056                         Assert.AreEqual ("ushort_Aa", Enum.GetName (typeof (EnumUShort), (EnumUShort)(0x0005)));
1057                         Assert.AreEqual ("ushort_Aa", r.GetValue (1).ToString ());
1058                         Assert.AreEqual ("ushort_Ff", Enum.GetName (typeof (EnumUShort), (EnumUShort)(0x0064)));
1059                         Assert.AreEqual ("ushort_Ff", r.GetValue (2).ToString ());
1060                         Assert.AreEqual ("ushort_Ee", Enum.GetName (typeof (EnumUShort), (EnumUShort)(0x7FFF)));
1061                         Assert.AreEqual ("ushort_Ee", r.GetValue (3).ToString ());
1062                         Assert.AreEqual ("ushort_Bb", Enum.GetName (typeof (EnumUShort), (EnumUShort)(0xFF00)));
1063                         Assert.AreEqual ("ushort_Bb", r.GetValue (4).ToString ());
1064
1065                         r = Enum.GetValues (typeof (EnumShort));
1066                         Assert.AreEqual (6, r.Length);
1067                         Assert.AreEqual ("short_Cc", Enum.GetName (typeof (EnumShort), (EnumShort)(0x0000)));
1068                         Assert.AreEqual ("short_Cc", r.GetValue (0).ToString ());
1069                         Assert.AreEqual ("short_Aa", Enum.GetName (typeof (EnumShort), (EnumShort)(0x0005)));
1070                         Assert.AreEqual ("short_Aa", r.GetValue (1).ToString ());
1071                         Assert.AreEqual ("short_Ff", Enum.GetName (typeof (EnumShort), (EnumShort)(0x0064)));
1072                         Assert.AreEqual ("short_Ff", r.GetValue (2).ToString ());
1073                         Assert.AreEqual ("short_Ee", Enum.GetName (typeof (EnumShort), (EnumShort)(0x7FFF)));
1074                         Assert.AreEqual ("short_Ee", r.GetValue (3).ToString ());
1075                         Assert.AreEqual ("short_Bb", Enum.GetName (typeof (EnumShort), unchecked ((EnumShort)(0xFF00))));
1076                         Assert.AreEqual ("short_Bb", r.GetValue (4).ToString ());
1077                         Assert.AreEqual ("short_Dd", Enum.GetName (typeof (EnumShort), unchecked ((EnumShort)(0xFFFF))));
1078                         Assert.AreEqual ("short_Dd", r.GetValue (5).ToString ());
1079
1080                         r = Enum.GetValues (typeof (EnumUInt));
1081                         Assert.AreEqual (4, r.Length);
1082                         Assert.AreEqual ("uint_Cc", Enum.GetName (typeof (EnumUInt), (EnumUInt)(0x00000000)));
1083                         Assert.AreEqual ("uint_Cc", r.GetValue (0).ToString ());
1084                         Assert.AreEqual ("uint_Aa", Enum.GetName (typeof (EnumUInt), (EnumUInt)(0x00000005)));
1085                         Assert.AreEqual ("uint_Aa", r.GetValue (1).ToString ());
1086                         Assert.AreEqual ("uint_Ff", Enum.GetName (typeof (EnumUInt), (EnumUInt)(0x00000064)));
1087                         Assert.AreEqual ("uint_Ff", r.GetValue (2).ToString ());
1088                         Assert.AreEqual ("uint_Ee", Enum.GetName (typeof (EnumUInt), (EnumUInt)(0x7FFFFFFF)));
1089                         Assert.AreEqual ("uint_Ee", r.GetValue (3).ToString ());
1090
1091                         r = Enum.GetValues (typeof (EnumInt));
1092                         Assert.AreEqual (6, r.Length);
1093                         Assert.AreEqual ("int_Cc", Enum.GetName (typeof (EnumInt), (EnumInt)(0x00000000)));
1094                         Assert.AreEqual ("int_Cc", r.GetValue (0).ToString ());
1095                         Assert.AreEqual ("int_Aa", Enum.GetName (typeof (EnumInt), (EnumInt)(0x00000005)));
1096                         Assert.AreEqual ("int_Aa", r.GetValue (1).ToString ());
1097                         Assert.AreEqual ("int_Ff", Enum.GetName (typeof (EnumInt), (EnumInt)(0x00000064)));
1098                         Assert.AreEqual ("int_Ff", r.GetValue (2).ToString ());
1099                         Assert.AreEqual ("int_Ee", Enum.GetName (typeof (EnumInt), (EnumInt)(0x7FFFFFFF)));
1100                         Assert.AreEqual ("int_Ee", r.GetValue (3).ToString ());
1101                         Assert.AreEqual ("int_Bb", Enum.GetName (typeof (EnumInt), unchecked ((EnumInt)(0xFFFF0000))));
1102                         Assert.AreEqual ("int_Bb", r.GetValue (4).ToString ());
1103                         Assert.AreEqual ("int_Dd", Enum.GetName (typeof (EnumInt), unchecked ((EnumInt)(0xFFFFFFFF))));
1104                         Assert.AreEqual ("int_Dd", r.GetValue (5).ToString ());
1105
1106                         r = Enum.GetValues (typeof (EnumULong));
1107                         Assert.AreEqual (5, r.Length);
1108                         Assert.AreEqual ("ulong_Cc", Enum.GetName (typeof (EnumULong), (EnumULong)(0x0000000000000000)));
1109                         Assert.AreEqual ("ulong_Cc", r.GetValue (0).ToString ());
1110                         Assert.AreEqual ("ulong_Cc", Enum.GetName (typeof (EnumULong), (EnumULong)(0x0000000000000000)));
1111                         Assert.AreEqual ("ulong_Aa", r.GetValue (1).ToString ());
1112                         Assert.AreEqual ("ulong_Aa", Enum.GetName (typeof (EnumULong), (EnumULong)(0x0000000000000005)));
1113                         Assert.AreEqual ("ulong_Ff", r.GetValue (2).ToString ());
1114                         Assert.AreEqual ("ulong_Ff", Enum.GetName (typeof (EnumULong), (EnumULong)(0x0000000000000064)));
1115                         Assert.AreEqual ("ulong_Ee", r.GetValue (3).ToString ());
1116                         Assert.AreEqual ("ulong_Ee", Enum.GetName (typeof (EnumULong), (EnumULong)(0x7FFFFFFFFFFFFFFF)));
1117                         Assert.AreEqual ("ulong_Bb", r.GetValue (4).ToString ());
1118
1119                         r = Enum.GetValues (typeof (EnumLong));
1120                         Assert.AreEqual (6, r.Length);
1121                         Assert.AreEqual ("long_Cc", Enum.GetName (typeof (EnumLong), (EnumLong)(0x0000000000000000)));
1122                         Assert.AreEqual ("long_Cc", r.GetValue (0).ToString ());
1123                         Assert.AreEqual ("long_Aa", Enum.GetName (typeof (EnumLong), (EnumLong)(0x0000000000000005)));
1124                         Assert.AreEqual ("long_Aa", r.GetValue (1).ToString ());
1125                         Assert.AreEqual ("long_Ff", Enum.GetName (typeof (EnumLong), (EnumLong)(0x0000000000000064)));
1126                         Assert.AreEqual ("long_Ff", r.GetValue (2).ToString ());
1127                         Assert.AreEqual ("long_Ee", Enum.GetName (typeof (EnumLong), (EnumLong)(0x7FFFFFFFFFFFFFFF)));
1128                         Assert.AreEqual ("long_Ee", r.GetValue (3).ToString ());
1129                         Assert.AreEqual ("long_Bb", Enum.GetName (typeof (EnumLong), unchecked ((EnumLong)(0xFFFFFFFF00000000))));
1130                         Assert.AreEqual ("long_Bb", r.GetValue (4).ToString ());
1131                         Assert.AreEqual ("long_Dd", Enum.GetName (typeof (EnumLong), unchecked ((EnumLong)(0xFFFFFFFFFFFFFFFF))));
1132                         Assert.AreEqual ("long_Dd", r.GetValue (5).ToString ());
1133                 }
1134
1135                 [Flags]
1136                 enum Foo {
1137                         negative = -1
1138                 }
1139
1140 #if NET_4_0
1141                 // Our first implementation used to crash
1142                 [Test]
1143                 public void HasFlagTest ()
1144                 {
1145                         Foo f = Foo.negative;
1146                         bool has = f.HasFlag (Foo.negative);
1147                 }
1148 #endif
1149
1150                 [Flags]
1151                 enum SomeEnum
1152                 {
1153                         a,
1154                         b,
1155                         c
1156                 }
1157
1158                 [Flags]
1159                 enum SomeByteEnum : byte
1160                 {
1161                         a,
1162                         b,
1163                         c
1164                 }
1165
1166                 [Flags]
1167                 enum SomeInt64Enum : long
1168                 {
1169                         a,
1170                         b,
1171                         c
1172                 }
1173
1174                 enum TestShortEnum : short
1175                 {
1176                         zero,
1177                         one,
1178                         two,
1179                         three,
1180                         four,
1181                         five,
1182                         six
1183                 }
1184
1185                 enum E
1186                 {
1187                         Aa = 0,
1188                         Bb = 1,
1189                         Cc = 2,
1190                         Dd = 3,
1191                 }
1192
1193                 [Flags]
1194                 enum E2
1195                 {
1196                         Aa,
1197                         Bb,
1198                         Cc,
1199                         Dd,
1200                 }
1201
1202                 [Flags]
1203                 enum FlagsNegativeTestEnum
1204                 {
1205                         None = 0,
1206                         One = 1,
1207                         Two = 2,
1208                         Negative = unchecked ((int) 0xFFFF0000)
1209                 }
1210
1211                 enum TestingEnum
1212                 {
1213                         This,
1214                         Is,
1215                         A,
1216                         Test
1217                 }
1218
1219                 enum TestingEnum2
1220                 {
1221                         This,
1222                         Is,
1223                         A,
1224                         Test
1225                 }
1226
1227                 enum TestingEnum3 : ulong
1228                 {
1229                         This,
1230                         Is,
1231                         A,
1232                         Test = ulong.MaxValue
1233                 }
1234
1235                 enum TestingEnum4 : byte
1236                 {
1237                         This,
1238                         Is,
1239                         A,
1240                         Test = byte.MaxValue
1241                 }
1242
1243                 enum TestingEnum5 : short
1244                 {
1245                         This,
1246                         Is,
1247                         A,
1248                         Test = short.MaxValue
1249                 }
1250
1251                 enum TestingEnum6
1252                 {
1253                         This,
1254                         Is,
1255                         A,
1256                         Test = int.MaxValue
1257                 }
1258
1259                 enum E3
1260                 {
1261                         A = 0,
1262                         B = 1,
1263                         C = 2,
1264                         D = 3
1265                 }
1266
1267                 enum UE : ulong
1268                 {
1269                         A = 1,
1270                         B = 2,
1271                         C = 4,
1272                         D = 8
1273                 }
1274
1275                 enum EA
1276                 {
1277                         A = 0,
1278                         B = 2,
1279                         C = 3,
1280                         D = 4
1281                 }
1282
1283                 enum EnInt8 : sbyte{
1284                         A = SByte.MinValue,
1285                         B = 44,
1286                         C = SByte.MaxValue,
1287                 }
1288
1289                 enum EnUInt8 : byte {
1290                         A = Byte.MinValue,
1291                         B = 55,
1292                         C = Byte.MaxValue,
1293                 }
1294
1295                 enum EnInt16 : short{
1296                         A = Int16.MinValue,
1297                         B = 66,
1298                         C = Int16.MaxValue,
1299                 }
1300
1301                 enum EnUInt16 : ushort {
1302                         A = UInt16.MinValue,
1303                         B = 77,
1304                         C = UInt16.MaxValue,
1305                 }
1306
1307                 enum EnInt32 : int{
1308                         A = Int32.MinValue,
1309                         B = 88,
1310                         C = Int32.MaxValue,
1311                 }
1312
1313                 enum EnUInt32 : uint {
1314                         A = UInt32.MinValue,
1315                         B = 99,
1316                         C = UInt32.MaxValue,
1317                 }
1318
1319                 enum EnInt64 : long{
1320                         A = Int64.MinValue,
1321                         B = 3488924689489L,
1322                         C = Int64.MaxValue,
1323                         D = 456L
1324                 }
1325
1326                 enum EnUInt64 : ulong {
1327                         A = UInt64.MinValue,
1328                         B = 3488924689489L,
1329                         C = UInt64.MaxValue,
1330                         D = 789L
1331                 }
1332
1333                 enum EnumByte : byte {
1334                   byte_Aa = 5,
1335                   byte_Bb = 0xff,
1336                   byte_Cc = 0,
1337                   byte_Dd = 0x7f,
1338                   byte_Ff = 100
1339                 }
1340
1341                 enum EnumSByte : sbyte {
1342                   sbyte_Aa = 5,
1343                   sbyte_Bb = unchecked ((sbyte) 0xf0),
1344                   sbyte_Cc = 0,
1345                   sbyte_Dd = -1,
1346                   sbyte_Ee = 0x7F,
1347                   sbyte_Ff = 100
1348                 }
1349
1350                 enum EnumShort : short
1351                 {
1352                   short_Aa = 5,
1353                   short_Bb = unchecked((short)0xFF00),
1354                   short_Cc = 0,
1355                   short_Dd = -1,
1356                   short_Ee = 0x7FFF,
1357                   short_Ff = 100
1358                 }
1359
1360                 enum EnumUShort : ushort
1361                 {
1362                   ushort_Aa = 5,
1363                   ushort_Bb = unchecked((int)0xFF00),
1364                   ushort_Cc = 0,
1365                   ushort_Ee = 0x7FFF,
1366                   ushort_Ff = 100
1367                 }
1368
1369                 enum EnumInt
1370                 {
1371                   int_Aa = 5,
1372                   int_Bb = unchecked((int)0xFFFF0000),
1373                   int_Cc = 0,
1374                   int_Dd = -1,
1375                   int_Ee = 0x7FFFFFFF,
1376                   int_Ff = 100
1377                 }
1378
1379                 enum EnumUInt : uint
1380                 {
1381                   uint_Aa = 5,
1382                   uint_Cc = 0,
1383                   uint_Ee = 0x7FFFFFFF,
1384                   uint_Ff = 100
1385                 }
1386
1387                 enum EnumLong : long
1388                 {
1389                   long_Aa = 5,
1390                   long_Bb = unchecked((long)0xffffFFFF00000000),
1391                   long_Cc = 0,
1392                   long_Dd = -1,
1393                   long_Ee = 0x7FFFFFFFffffffff,
1394                   long_Ff = 100
1395                 }
1396
1397                 enum EnumULong : ulong
1398                 {
1399                   ulong_Aa = 5,
1400                   ulong_Bb = unchecked((ulong)0xffffFFFF00000000),
1401                   ulong_Cc = 0,
1402                   ulong_Ee = 0x7FFFFFFFffffffff,
1403                   ulong_Ff = 100
1404                 }
1405
1406         }
1407 }