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 #pragma warning disable 1718
 144                 [Test]
 145                 public void EqualityOp ()
 146                 {
 147                         Guid g1 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 148                         Guid g2 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 149                         Guid g3 = new Guid (0x11223344, 0x5566, 0x6677, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff);
 150
 151                         Assert.IsTrue (g1 == g1, "A1");
 152                         Assert.IsTrue (g1 == g2, "A2");
 153                         Assert.IsFalse (g1 == g3, "A3");
 154                 }
 155
 156                 [Test]
 157                 public void InequalityOp ()
 158                 {
 159                         Guid g1 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 160                         Guid g2 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 161                         Guid g3 = new Guid (0x11223344, 0x5566, 0x6677, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff);
 162
 163                         Assert.IsFalse (g1 != g1, "A1");
 164                         Assert.IsFalse (g1 != g2, "A2");
 165                         Assert.IsTrue (g1 != g3, "A3");
 166                 }
 167 #pragma warning restore 1718
 168
 169                 [Test]
 170                 public void EqualsObject ()
 171                 {
 172                         Guid g1 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 173                         Guid g2 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 174                         Guid g3 = new Guid (0x11223344, 0x5566, 0x6677, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff);
 175                         // cast everything to object so the test still works under 2.0
 176                         Assert.IsTrue (g1.Equals ((object)g1), "A1");
 177                         Assert.IsTrue (g1.Equals ((object)g2), "A2");
 178                         Assert.IsFalse (g1.Equals ((object)g3), "A3");
 179                         Assert.IsFalse (g1.Equals ((object)null), "A4");
 180                         Assert.IsFalse (g1.Equals ((object)"This is not a Guid!"), "A5");
 181                 }
 182
 183
 184                 [Test]
 185                 public void EqualsGuid ()
 186                 {
 187                         Guid g1 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 188                         Guid g2 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 189                         Guid g3 = new Guid (0x11223344, 0x5566, 0x6677, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff);
 190
 191                         Assert.IsTrue (g1.Equals (g1), "A1");
 192                         Assert.IsTrue (g1.Equals (g2), "A2");
 193                         Assert.IsFalse (g1.Equals (g3), "A3");
 194                         Assert.IsFalse (g1.Equals (null), "A4");
 195                         Assert.IsFalse (g1.Equals ("This is not a Guid!"), "A5");
 196                 }
 197
 198                 [Test]
 199                 public void CompareToObject ()
 200                 {
 201                         Guid g1 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 202                         Guid g2 = new Guid (0x00010204, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 203                         Guid g3 = new Guid (0x00010203, 0x0405, 0x0607, 0x09, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 204                         Guid g4 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x1f);
 205                         // cast everything to object so the test still works under 2.0
 206                         Assert.IsTrue (g1.CompareTo ((object)g2) < 0, "A1");
 207                         Assert.IsTrue (g1.CompareTo ((object)g3) < 0, "A2");
 208                         Assert.IsTrue (g1.CompareTo ((object)g4) < 0, "A3");
 209                         Assert.IsTrue (g2.CompareTo ((object)g1) > 0, "A4");
 210                         Assert.IsTrue (g3.CompareTo ((object)g1) > 0, "A5");
 211                         Assert.IsTrue (g4.CompareTo ((object)g1) > 0, "A6");
 212                         Assert.IsTrue (g1.CompareTo ((object)g1) == 0, "A7");
 213                         Assert.IsTrue (g1.CompareTo ((object)null) > 0, "A8");
 214                 }
 215
 216                 [Test]
 217                 [ExpectedException (typeof (ArgumentException))]
 218                 public void CompareToObject_Invalid ()
 219                 {
 220                         Guid.Empty.CompareTo ("Say what?");
 221                 }
 222
 223                 [Test]
 224                 public void CompareToGuid ()
 225                 {
 226                         Guid g1 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 227                         Guid g2 = new Guid (0x00010204, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 228                         Guid g3 = new Guid (0x00010203, 0x0405, 0x0607, 0x09, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 229                         Guid g4 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x1f);
 230
 231                         Assert.IsTrue (g1.CompareTo (g2) < 0, "A1");
 232                         Assert.IsTrue (g1.CompareTo (g3) < 0, "A2");
 233                         Assert.IsTrue (g1.CompareTo (g4) < 0, "A3");
 234                         Assert.IsTrue (g2.CompareTo (g1) > 0, "A4");
 235                         Assert.IsTrue (g3.CompareTo (g1) > 0, "A5");
 236                         Assert.IsTrue (g4.CompareTo (g1) > 0, "A6");
 237                         Assert.IsTrue (g1.CompareTo (g1) == 0, "A7");
 238                 }
 239
 240                 [Test]
 241                 public void CompareToGuid_2 ()
 242                 {
 243                         var g1 = new Guid ("d1c5088bc188464fb77b0fd2be2d005e");
 244                         var g2 = new Guid ("d2c5088bc188464fb77b0fd2be2d005e");
 245                         var g3 = new Guid ("00c5088bc188464fb77b0fd2be2d005e");
 246
 247                         Assert.AreEqual (-1, g1.CompareTo (g2), "#1");
 248                         Assert.AreEqual (1, g1.CompareTo (g3), "#2");
 249                         Assert.AreEqual (1, g1.CompareTo (Guid.Empty), "#3");
 250                 }
 251
 252                 [Test]
 253                 public void GetHashCode_Same ()
 254                 {
 255                         Guid copy = new Guid (Guid.Empty.ToString ());
 256                         Assert.AreEqual (Guid.Empty.GetHashCode (), copy.GetHashCode (), "GetHashCode");
 257                 }
 258
 259                 [Test]
 260                 public void GetHashCode_Different ()
 261                 {
 262                         Guid g = Guid.NewGuid ();
 263                         Assert.IsFalse (Guid.Empty.GetHashCode () == g.GetHashCode (), "GetHashCode");
 264                 }
 265
 266                 [Test]
 267                 public void ToByteArray ()
 268                 {
 269                         Guid g1 = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 270                         byte[] expected = new byte[] { 0x03, 0x02, 0x01, 0x00, 0x05, 0x04, 0x07, 0x06, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F };
 271                         Assert.AreEqual (expected, g1.ToByteArray (), "ToByteArray");
 272                 }
 273
 274                 [Test]
 275                 public void ToString_AllFormats ()
 276                 {
 277                         Guid g = new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f);
 278                         Assert.AreEqual ("00010203-0405-0607-0809-0a0b0c0d0e0f", g.ToString (), "A1");
 279                         Assert.AreEqual ("000102030405060708090a0b0c0d0e0f", g.ToString ("N"), "A2");
 280                         Assert.AreEqual ("00010203-0405-0607-0809-0a0b0c0d0e0f", g.ToString ("D"), "A3");
 281                         Assert.AreEqual ("{00010203-0405-0607-0809-0a0b0c0d0e0f}", g.ToString ("B"), "A4");
 282                         Assert.AreEqual ("(00010203-0405-0607-0809-0a0b0c0d0e0f)", g.ToString ("P"), "A5");
 283                         Assert.AreEqual ("00010203-0405-0607-0809-0a0b0c0d0e0f", g.ToString (""), "A6");
 284                         Assert.AreEqual ("00010203-0405-0607-0809-0a0b0c0d0e0f", g.ToString ((string)null), "A7");
 285                         Assert.AreEqual ("{00010203-0405-0607-0809-0a0b0c0d0e0f}", g.ToString ("B", null), "A10");
 286 #if NET_4_0
 287                         Assert.AreEqual ("{0x00010203,0x0405,0x0607,{0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f}}", g.ToString ("x"), "A11");
 288                         Assert.AreEqual ("{0x00010203,0x0405,0x0607,{0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f}}", g.ToString ("X"), "A11");
 289 #endif
 290                 }
 291
 292 #if !NET_4_0
 293                 [Test]
 294                 [ExpectedException (typeof (FormatException))]
 295                 public void ToString_UnsupportedFormat ()
 296                 {
 297                         new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f).ToString ("X");
 298                 }
 299 #endif
 300
 301                 [Test]
 302                 [ExpectedException (typeof (FormatException))]
 303                 public void ToString_InvalidFormat ()
 304                 {
 305                         new Guid (0x00010203, 0x0405, 0x0607, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f).ToString ("This is invalid");
 306                 }
 307
 308                 [Test]
 309                 [ExpectedException (typeof (FormatException))]
 310                 public void ParseExtraJunkN ()
 311                 {
 312                         new Guid ("000102030405060708090a0b0c0d0e0faaaaaa");
 313                 }
 314
 315                 [Test]
 316                 [ExpectedException (typeof (FormatException))]
 317                 public void ParseExtraJunkD ()
 318                 {
 319                         new Guid ("00010203-0405-0607-0809-0a0b0c0d0e0faaaaaa");
 320                 }
 321
 322                 [Test]
 323                 [ExpectedException (typeof (FormatException))]
 324                 public void ParseExtraJunkB ()
 325                 {
 326                         new Guid ("{00010203-0405-0607-0809-0A0B0C0D0E0F}aaaa");
 327                 }
 328
 329                 [Test]
 330                 [ExpectedException (typeof (FormatException))]
 331                 public void ParseExtraJunkP ()
 332                 {
 333                         new Guid ("(00010203-0405-0607-0809-0A0B0C0D0E0F)aaaa");
 334                 }
 335
 336                 [Test]
 337                 [ExpectedException (typeof (FormatException))]
 338                 public void ParseExtraJunkX ()
 339                 {
 340                         new Guid ("{0x00010203,0x0405,0x0607,{0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f}}aaaa");
 341                 }
 342
 343 #if NET_4_0
 344
 345                 /*
 346                         N = new Guid ("000102030405060708090a0b0c0d0e0f");
 347                         D = new Guid ("00010203-0405-0607-0809-0a0b0c0d0e0f");
 348                         B = new Guid ("{00010203-0405-0607-0809-0A0B0C0D0E0F}");
 349                         P = new Guid ("(00010203-0405-0607-0809-0A0B0C0D0E0F)");
 350                         X = new Guid ("{0x00010203,0x0405,0x0607,{0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f}}");
 351
 352                         string expected = "00010203-0405-0607-0809-0a0b0c0d0e0f";
 353                 */
 354
 355                 [Test]
 356                 public void ParseExact ()
 357                 {
 358                         const string expected = "00010203-0405-0607-0809-0a0b0c0d0e0f";
 359
 360                         var guid = Guid.ParseExact ("000102030405060708090a0b0c0d0e0f", "N");
 361                         Assert.AreEqual (expected, guid.ToString ());
 362
 363                         guid = Guid.ParseExact ("00010203-0405-0607-0809-0a0b0c0d0e0f", "D");
 364                         Assert.AreEqual (expected, guid.ToString ());
 365
 366                         guid = Guid.ParseExact ("00010203-0405-0607-0809-0a0b0c0d0e0f", "d");
 367                         Assert.AreEqual (expected, guid.ToString ());
 368
 369                         guid = Guid.ParseExact ("{00010203-0405-0607-0809-0A0B0C0D0E0F}", "B");
 370                         Assert.AreEqual (expected, guid.ToString ());
 371
 372                         guid = Guid.ParseExact ("{00010203-0405-0607-0809-0A0B0C0D0E0F}", "b");
 373                         Assert.AreEqual (expected, guid.ToString ());
 374
 375                         guid = Guid.ParseExact ("(00010203-0405-0607-0809-0A0B0C0D0E0F)", "P");
 376                         Assert.AreEqual (expected, guid.ToString ());
 377
 378                         guid = Guid.ParseExact ("{0x00010203,0x0405,0x0607,{0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f}}", "X");
 379                         Assert.AreEqual (expected, guid.ToString ());
 380                 }
 381
 382                 [Test]
 383                 [ExpectedException (typeof (FormatException))]
 384                 public void ParseExactN ()
 385                 {
 386                         Guid.ParseExact ("00010203-0405-0607-0809-0a0b0c0d0e0f", "N");
 387                 }
 388
 389                 [Test]
 390                 [ExpectedException (typeof (FormatException))]
 391                 public void ParseExactD ()
 392                 {
 393                         Guid.ParseExact ("{0x00010203,0x0405,0x0607,{0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f}}", "D");
 394                 }
 395
 396                 [Test]
 397                 public void TryParse()
 398                 {
 399                         Guid guid;
 400                         Assert.IsFalse (Guid.TryParse(null, out guid), "A1");
 401                         Assert.AreEqual (Guid.Empty, guid, "A2");
 402                         Assert.IsFalse (Guid.TryParse("", out guid), "A3");
 403                         Assert.AreEqual (Guid.Empty, guid, "A4");
 404                         Assert.IsFalse (Guid.TryParse("foobar", out guid), "A5");
 405                         Assert.AreEqual (Guid.Empty, guid, "A6");
 406                 }
 407
 408                 [Test]
 409                 public void TryParseExact()
 410                 {
 411                         Guid guid;
 412                         Assert.IsFalse (Guid.TryParseExact(null, null, out guid), "A1");
 413                         Assert.AreEqual (Guid.Empty, guid, "A2");
 414                         Assert.IsFalse (Guid.TryParseExact("", null, out guid), "A3");
 415                         Assert.AreEqual (Guid.Empty, guid, "A4");
 416                         Assert.IsFalse (Guid.TryParseExact("foobar", null, out guid), "A5");
 417                         Assert.AreEqual (Guid.Empty, guid, "A6");
 418                 }
 419 #endif
 420         }
 421 }