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

   1 //
   2 // GuidTest.cs - NUnit Test Cases for the System.Guid struct
   3 //
   4 // Authors:
   5 //      Duco Fijma (duco@lorentz.xs4all.nl)
   6 //      Sebastien Pouliot  <sebastien@ximian.com>
   7 //
   8 // (C) 2002 Duco Fijma
   9 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
  10 //
  11
  12 using NUnit.Framework;
  13 using System;
  14
  15 namespace MonoTests.System {
  16
  17         [TestFixture]
  18         public class GuidTest {
  19
  20                 [Test]
  21                 [ExpectedException (typeof (ArgumentNullException))]
  22                 public void Constructor_ByteArray_Null ()
  23                 {
  24                         new Guid ((byte[]) null);
  25                 }
  26
  27                 [Test]
  28                 [ExpectedException (typeof (ArgumentException))]
  29                 public void Constructor_ByteArray_InvalidLength ()
  30                 {
  31                         new Guid (new byte[] {0x00, 0x01, 0x02});
  32                 }
  33
  34                 [Test]
  35                 public void Constructor_ByteArray ()
  36                 {
  37                         Guid g =  new Guid (new byte[] {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f});
  38                         Assert.AreEqual ("03020100-0504-0706-0809-0a0b0c0d0e0f", g.ToString ());
  39                 }
  40
  41                 [Test]
  42                 [ExpectedException (typeof (ArgumentNullException))]
  43                 public void Constructor_String_Null ()
  44                 {
  45                         new Guid ((string) null);
  46                 }
  47
  48                 [Test]
  49                 public void Constructor_String ()
  50                 {
  51                         Guid g0 = new Guid ("000102030405060708090a0b0c0d0e0f");
  52                         Guid g1 = new Guid ("00010203-0405-0607-0809-0a0b0c0d0e0f");
  53                         Guid g2 = new Guid ("{00010203-0405-0607-0809-0A0B0C0D0E0F}");
  54                         Guid g3 = new Guid ("{0x00010203,0x0405,0x0607,{0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f}}");
  55                         Guid g4 = new Guid ("(00010203-0405-0607-0809-0A0B0C0D0E0F)");
  56                         Guid g5 = new Guid ("\n  \r  \n 00010203-0405-0607-0809-0a0b0c0d0e0f \r\n");
  57                         string expected = "00010203-0405-0607-0809-0a0b0c0d0e0f";
  58                         Assert.AreEqual (expected, g0.ToString (), "A0");
  59                         Assert.AreEqual (expected, g1.ToString (), "A1");
  60                         Assert.AreEqual (expected, g2.ToString (), "A2");
  61                         Assert.AreEqual (expected, g3.ToString (), "A3");
  62                         Assert.AreEqual (expected, g4.ToString (), "A4");
  63                         Assert.AreEqual (expected, g5.ToString (), "A5");
  64                 }
  65
  66                 [Test]
  67                 [ExpectedException (typeof (FormatException))]
  68                 public void Constructor_String_Invalid ()
  69                 {
  70                         new Guid ("invalid");
  71                 }
  72
  73                 [Test]
  74                 [ExpectedException (typeof (FormatException))]
  75                 public void Constructor_String_MissingAllSeparators ()
  76                 {
  77                         new Guid ("{000102030405060708090A0B0C0D0E0F}");        // missing all -
  78                 }
  79
  80                 [Test]
  81                 [ExpectedException (typeof (FormatException))]
  82                 public void Constructor_String_MissingSeparator ()
  83                 {
  84                         new Guid ("000102030405-0607-0809-0a0b0c0d0e0f");       // missing first -
  85                 }
  86
  87                 [Test]
  88                 [ExpectedException (typeof (FormatException))]
  89                 public void Constructor_String_Mismatch ()
  90                 {
  91                         new Guid ("(000102030405-0607-0809-0a0b0c0d0e0f}");     // open (, close }
  92                 }
  93
  94                 [Test]
  95                 public void Constructor_Int32_2xInt16_8xByte ()
  96                 {
  97                         Guid g1 = new Guid (0x00010203, (short) 0x0405, (short) 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
  98                         Guid g2 = new Guid (unchecked ((int) 0xffffffff), unchecked ((short) 0xffff), unchecked((short) 0xffff), 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff);
  99                         Guid g3 = new Guid (0x00010203u, (ushort) 0x0405u, (ushort) 0x0607u, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 100                         Guid g4 = new Guid (0xffffffffu, (ushort) 0xffffu, (ushort) 0xffffu, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff);
 101
 102                         Assert.AreEqual ("00010203-0405-0607-0809-0a0b0c0d0e0f", g1.ToString (), "A1");
 103                         Assert.AreEqual ("ffffffff-ffff-ffff-ffff-ffffffffffff", g2.ToString (), "A2");
 104                         Assert.AreEqual ("00010203-0405-0607-0809-0a0b0c0d0e0f", g1.ToString (), "A3");
 105                         Assert.AreEqual ("ffffffff-ffff-ffff-ffff-ffffffffffff", g2.ToString (), "A4");
 106                 }
 107
 108                 [Test]
 109                 public void Constructor_UInt32_2xUInt16_8xByte ()
 110                 {
 111                         Guid g1 = new Guid (0x00010203u, (ushort) 0x0405u, (ushort) 0x0607u, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 112                         Guid g2 = new Guid (0xffffffffu, (ushort) 0xffffu, (ushort) 0xffffu, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff);
 113
 114                         Assert.AreEqual ("00010203-0405-0607-0809-0a0b0c0d0e0f", g1.ToString (), "A1");
 115                         Assert.AreEqual ("ffffffff-ffff-ffff-ffff-ffffffffffff", g2.ToString (), "A2");
 116                 }
 117
 118                 [Test]
 119                 public void Constructor_Int32_2xInt16_ByteArray ()
 120                 {
 121                         Guid g1 = new Guid (0x00010203, (short) 0x0405, (short) 0x0607, new byte[] { 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f });
 122                         Guid g2 = new Guid (unchecked ((int) 0xffffffff), unchecked ((short) 0xffff), unchecked((short) 0xffff), new byte[] { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff });
 123
 124                         Assert.AreEqual ("00010203-0405-0607-0809-0a0b0c0d0e0f", g1.ToString (), "A1");
 125                         Assert.AreEqual ("ffffffff-ffff-ffff-ffff-ffffffffffff", g2.ToString (), "A2");
 126                 }
 127
 128                 [Test]
 129                 public void Empty ()
 130                 {
 131                         Assert.AreEqual ("00000000-0000-0000-0000-000000000000", Guid.Empty.ToString (), "ToString");
 132                         Assert.AreEqual (new byte [16], Guid.Empty.ToByteArray (), "ToByteArray");
 133                 }
 134
 135                 [Test]
 136                 public void NewGuid ()
 137                 {
 138                         Guid g1 = Guid.NewGuid ();
 139                         Guid g2 = Guid.NewGuid ();
 140                         Assert.IsFalse (g1 == g2);
 141                 }
 142
 143                 [Test]
 144                 public void NewGuid_Stressed ()
 145                 {
 146                         for (int i = 0; i < 256; i++) {
 147                                 Guid g = Guid.NewGuid ();
 148                                 Assert.AreNotEqual (0, g.CompareTo (Guid.Empty), i.ToString ());
 149                         }
 150                 }
 151
 152 #pragma warning disable 1718
 153                 [Test]
 154                 public void EqualityOp ()
 155                 {
 156                         Guid g1 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 157                         Guid g2 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 158                         Guid g3 = new Guid (0x11223344, 0x5566, 0x6677, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff);
 159
 160                         Assert.IsTrue (g1 == g1, "A1");
 161                         Assert.IsTrue (g1 == g2, "A2");
 162                         Assert.IsFalse (g1 == g3, "A3");
 163                 }
 164
 165                 [Test]
 166                 public void InequalityOp ()
 167                 {
 168                         Guid g1 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 169                         Guid g2 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 170                         Guid g3 = new Guid (0x11223344, 0x5566, 0x6677, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff);
 171
 172                         Assert.IsFalse (g1 != g1, "A1");
 173                         Assert.IsFalse (g1 != g2, "A2");
 174                         Assert.IsTrue (g1 != g3, "A3");
 175                 }
 176 #pragma warning restore 1718
 177
 178                 [Test]
 179                 public void EqualsObject ()
 180                 {
 181                         Guid g1 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 182                         Guid g2 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 183                         Guid g3 = new Guid (0x11223344, 0x5566, 0x6677, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff);
 184                         // cast everything to object so the test still works under 2.0
 185                         Assert.IsTrue (g1.Equals ((object)g1), "A1");
 186                         Assert.IsTrue (g1.Equals ((object)g2), "A2");
 187                         Assert.IsFalse (g1.Equals ((object)g3), "A3");
 188                         Assert.IsFalse (g1.Equals ((object)null), "A4");
 189                         Assert.IsFalse (g1.Equals ((object)"This is not a Guid!"), "A5");
 190                 }
 191
 192
 193                 [Test]
 194                 public void EqualsGuid ()
 195                 {
 196                         Guid g1 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 197                         Guid g2 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 198                         Guid g3 = new Guid (0x11223344, 0x5566, 0x6677, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff);
 199
 200                         Assert.IsTrue (g1.Equals (g1), "A1");
 201                         Assert.IsTrue (g1.Equals (g2), "A2");
 202                         Assert.IsFalse (g1.Equals (g3), "A3");
 203                         Assert.IsFalse (g1.Equals (null), "A4");
 204                         Assert.IsFalse (g1.Equals ("This is not a Guid!"), "A5");
 205                 }
 206
 207                 [Test]
 208                 public void CompareToObject ()
 209                 {
 210                         Guid g1 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 211                         Guid g2 = new Guid (0x00010204, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 212                         Guid g3 = new Guid (0x00010203, 0x0405, 0x0607, 0x09, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 213                         Guid g4 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x1f);
 214                         // cast everything to object so the test still works under 2.0
 215                         Assert.IsTrue (g1.CompareTo ((object)g2) < 0, "A1");
 216                         Assert.IsTrue (g1.CompareTo ((object)g3) < 0, "A2");
 217                         Assert.IsTrue (g1.CompareTo ((object)g4) < 0, "A3");
 218                         Assert.IsTrue (g2.CompareTo ((object)g1) > 0, "A4");
 219                         Assert.IsTrue (g3.CompareTo ((object)g1) > 0, "A5");
 220                         Assert.IsTrue (g4.CompareTo ((object)g1) > 0, "A6");
 221                         Assert.IsTrue (g1.CompareTo ((object)g1) == 0, "A7");
 222                         Assert.IsTrue (g1.CompareTo ((object)null) > 0, "A8");
 223                 }
 224
 225                 [Test]
 226                 [ExpectedException (typeof (ArgumentException))]
 227                 public void CompareToObject_Invalid ()
 228                 {
 229                         Guid.Empty.CompareTo ("Say what?");
 230                 }
 231
 232                 [Test]
 233                 public void CompareToGuid ()
 234                 {
 235                         Guid g1 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 236                         Guid g2 = new Guid (0x00010204, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 237                         Guid g3 = new Guid (0x00010203, 0x0405, 0x0607, 0x09, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 238                         Guid g4 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x1f);
 239
 240                         Assert.IsTrue (g1.CompareTo (g2) < 0, "A1");
 241                         Assert.IsTrue (g1.CompareTo (g3) < 0, "A2");
 242                         Assert.IsTrue (g1.CompareTo (g4) < 0, "A3");
 243                         Assert.IsTrue (g2.CompareTo (g1) > 0, "A4");
 244                         Assert.IsTrue (g3.CompareTo (g1) > 0, "A5");
 245                         Assert.IsTrue (g4.CompareTo (g1) > 0, "A6");
 246                         Assert.IsTrue (g1.CompareTo (g1) == 0, "A7");
 247                 }
 248
 249                 [Test]
 250                 public void CompareToGuid_2 ()
 251                 {
 252                         var g1 = new Guid ("d1c5088bc188464fb77b0fd2be2d005e");
 253                         var g2 = new Guid ("d2c5088bc188464fb77b0fd2be2d005e");
 254                         var g3 = new Guid ("00c5088bc188464fb77b0fd2be2d005e");
 255
 256                         Assert.AreEqual (-1, g1.CompareTo (g2), "#1");
 257                         Assert.AreEqual (1, g1.CompareTo (g3), "#2");
 258                         Assert.AreEqual (1, g1.CompareTo (Guid.Empty), "#3");
 259                 }
 260
 261                 [Test]
 262                 public void GetHashCode_Same ()
 263                 {
 264                         Guid copy = new Guid (Guid.Empty.ToString ());
 265                         Assert.AreEqual (Guid.Empty.GetHashCode (), copy.GetHashCode (), "GetHashCode");
 266                 }
 267
 268                 [Test]
 269                 public void GetHashCode_Different ()
 270                 {
 271                         Guid g = Guid.NewGuid ();
 272                         Assert.IsFalse (Guid.Empty.GetHashCode () == g.GetHashCode (), "GetHashCode");
 273                 }
 274
 275                 [Test]
 276                 public void ToByteArray ()
 277                 {
 278                         Guid g1 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 279                         byte[] expected = new byte[] { 0x03, 0x02, 0x01, 0x00, 0x05, 0x04, 0x07, 0x06, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F };
 280                         Assert.AreEqual (expected, g1.ToByteArray (), "ToByteArray");
 281                 }
 282
 283                 [Test]
 284                 public void ToString_AllFormats ()
 285                 {
 286                         Guid g = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 287                         Assert.AreEqual ("00010203-0405-0607-0809-0a0b0c0d0e0f", g.ToString (), "A1");
 288                         Assert.AreEqual ("000102030405060708090a0b0c0d0e0f", g.ToString ("N"), "A2");
 289                         Assert.AreEqual ("00010203-0405-0607-0809-0a0b0c0d0e0f", g.ToString ("D"), "A3");
 290                         Assert.AreEqual ("{00010203-0405-0607-0809-0a0b0c0d0e0f}", g.ToString ("B"), "A4");
 291                         Assert.AreEqual ("(00010203-0405-0607-0809-0a0b0c0d0e0f)", g.ToString ("P"), "A5");
 292                         Assert.AreEqual ("00010203-0405-0607-0809-0a0b0c0d0e0f", g.ToString (""), "A6");
 293                         Assert.AreEqual ("00010203-0405-0607-0809-0a0b0c0d0e0f", g.ToString ((string)null), "A7");
 294                         Assert.AreEqual ("{00010203-0405-0607-0809-0a0b0c0d0e0f}", g.ToString ("B", null), "A10");
 295 #if NET_4_0
 296                         Assert.AreEqual ("{0x00010203,0x0405,0x0607,{0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f}}", g.ToString ("x"), "A11");
 297                         Assert.AreEqual ("{0x00010203,0x0405,0x0607,{0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f}}", g.ToString ("X"), "A11");
 298 #endif
 299                 }
 300
 301 #if !NET_4_0
 302                 [Test]
 303                 [ExpectedException (typeof (FormatException))]
 304                 public void ToString_UnsupportedFormat ()
 305                 {
 306                         new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f).ToString ("X");
 307                 }
 308 #endif
 309
 310                 [Test]
 311                 [ExpectedException (typeof (FormatException))]
 312                 public void ToString_InvalidFormat ()
 313                 {
 314                         new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f).ToString ("This is invalid");
 315                 }
 316
 317                 [Test]
 318                 [ExpectedException (typeof (FormatException))]
 319                 public void ParseExtraJunkN ()
 320                 {
 321                         new Guid ("000102030405060708090a0b0c0d0e0faaaaaa");
 322                 }
 323
 324                 [Test]
 325                 [ExpectedException (typeof (FormatException))]
 326                 public void ParseExtraJunkD ()
 327                 {
 328                         new Guid ("00010203-0405-0607-0809-0a0b0c0d0e0faaaaaa");
 329                 }
 330
 331                 [Test]
 332                 [ExpectedException (typeof (FormatException))]
 333                 public void ParseExtraJunkB ()
 334                 {
 335                         new Guid ("{00010203-0405-0607-0809-0A0B0C0D0E0F}aaaa");
 336                 }
 337
 338                 [Test]
 339                 [ExpectedException (typeof (FormatException))]
 340                 public void ParseExtraJunkP ()
 341                 {
 342                         new Guid ("(00010203-0405-0607-0809-0A0B0C0D0E0F)aaaa");
 343                 }
 344
 345                 [Test]
 346                 [ExpectedException (typeof (FormatException))]
 347                 public void ParseExtraJunkX ()
 348                 {
 349                         new Guid ("{0x00010203,0x0405,0x0607,{0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f}}aaaa");
 350                 }
 351
 352 #if NET_4_0
 353
 354                 /*
 355                         N = new Guid ("000102030405060708090a0b0c0d0e0f");
 356                         D = new Guid ("00010203-0405-0607-0809-0a0b0c0d0e0f");
 357                         B = new Guid ("{00010203-0405-0607-0809-0A0B0C0D0E0F}");
 358                         P = new Guid ("(00010203-0405-0607-0809-0A0B0C0D0E0F)");
 359                         X = new Guid ("{0x00010203,0x0405,0x0607,{0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f}}");
 360
 361                         string expected = "00010203-0405-0607-0809-0a0b0c0d0e0f";
 362                 */
 363
 364                 [Test]
 365                 public void ParseExact ()
 366                 {
 367                         const string expected = "00010203-0405-0607-0809-0a0b0c0d0e0f";
 368
 369                         var guid = Guid.ParseExact ("000102030405060708090a0b0c0d0e0f", "N");
 370                         Assert.AreEqual (expected, guid.ToString ());
 371
 372                         guid = Guid.ParseExact ("00010203-0405-0607-0809-0a0b0c0d0e0f", "D");
 373                         Assert.AreEqual (expected, guid.ToString ());
 374
 375                         guid = Guid.ParseExact ("00010203-0405-0607-0809-0a0b0c0d0e0f", "d");
 376                         Assert.AreEqual (expected, guid.ToString ());
 377
 378                         guid = Guid.ParseExact ("{00010203-0405-0607-0809-0A0B0C0D0E0F}", "B");
 379                         Assert.AreEqual (expected, guid.ToString ());
 380
 381                         guid = Guid.ParseExact ("{00010203-0405-0607-0809-0A0B0C0D0E0F}", "b");
 382                         Assert.AreEqual (expected, guid.ToString ());
 383
 384                         guid = Guid.ParseExact ("(00010203-0405-0607-0809-0A0B0C0D0E0F)", "P");
 385                         Assert.AreEqual (expected, guid.ToString ());
 386
 387                         guid = Guid.ParseExact ("{0x00010203,0x0405,0x0607,{0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f}}", "X");
 388                         Assert.AreEqual (expected, guid.ToString ());
 389                 }
 390
 391                 [Test]
 392                 [ExpectedException (typeof (FormatException))]
 393                 public void ParseExactN ()
 394                 {
 395                         Guid.ParseExact ("00010203-0405-0607-0809-0a0b0c0d0e0f", "N");
 396                 }
 397
 398                 [Test]
 399                 [ExpectedException (typeof (FormatException))]
 400                 public void ParseExactD ()
 401                 {
 402                         Guid.ParseExact ("{0x00010203,0x0405,0x0607,{0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f}}", "D");
 403                 }
 404
 405                 [Test]
 406                 public void TryParse()
 407                 {
 408                         Guid guid;
 409                         Assert.IsFalse (Guid.TryParse(null, out guid), "A1");
 410                         Assert.AreEqual (Guid.Empty, guid, "A2");
 411                         Assert.IsFalse (Guid.TryParse("", out guid), "A3");
 412                         Assert.AreEqual (Guid.Empty, guid, "A4");
 413                         Assert.IsFalse (Guid.TryParse("foobar", out guid), "A5");
 414                         Assert.AreEqual (Guid.Empty, guid, "A6");
 415                 }
 416
 417                 [Test]
 418                 public void TryParseExact()
 419                 {
 420                         Guid guid;
 421                         Assert.IsFalse (Guid.TryParseExact(null, null, out guid), "A1");
 422                         Assert.AreEqual (Guid.Empty, guid, "A2");
 423                         Assert.IsFalse (Guid.TryParseExact("", null, out guid), "A3");
 424                         Assert.AreEqual (Guid.Empty, guid, "A4");
 425                         Assert.IsFalse (Guid.TryParseExact("foobar", null, out guid), "A5");
 426                         Assert.AreEqual (Guid.Empty, guid, "A6");
 427                 }
 428 #endif
 429         }
 430 }