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

   1 //
   2 // DateTimeTest.cs - NUnit Test Cases for the System.DateTime struct
   3 //
   4 // author:
   5 //   Martin Baulig (martin@gnome.org)
   6 //
   7 //   (C) 2002 Free Software Foundation
   8 // Copyright (C) 2004 Novell (http://www.novell.com)
   9 //
  10
  11 using System;
  12 using System.IO;
  13 using System.Threading;
  14 using System.Globalization;
  15
  16 using NUnit.Framework;
  17
  18 namespace MonoTests.System
  19 {
  20         [TestFixture]
  21         public class DateTimeTest
  22         {
  23                 [Flags]
  24                 internal enum Resolution : ushort
  25                 {
  26                         Year = 64,
  27                         Month = 96,
  28                         Day = 112,
  29                         Hour = 120,
  30                         Minute = 124,
  31                         Second = 126,
  32                         Millisecond = 127,
  33                         _Month = 32,
  34                         _Day = 16,
  35                         _Hour = 8,
  36                         _Minute = 4,
  37                         _Second = 2,
  38                         _Millisecond = 1
  39                 }
  40
  41                 internal void DTAssertEquals (DateTime actual, DateTime expected, Resolution resolution)
  42                 {
  43                         DTAssertEquals (actual, expected, resolution, "");
  44                 }
  45
  46                 internal void DTAssertEquals (DateTime expected, DateTime actual, Resolution resolution, string message)
  47                 {
  48                         if ((resolution & Resolution.Year) != 0)
  49                                 Assert.AreEqual (expected.Year, actual.Year, message);
  50                         if ((resolution & Resolution._Month) != 0)
  51                                 Assert.AreEqual (expected.Month, actual.Month, message);
  52                         if ((resolution & Resolution._Day) != 0)
  53                                 Assert.AreEqual (expected.Day, actual.Day, message);
  54                         if ((resolution & Resolution._Hour) != 0)
  55                                 Assert.AreEqual (expected.Hour, actual.Hour, message);
  56                         if ((resolution & Resolution._Minute) != 0)
  57                                 Assert.AreEqual (expected.Minute, actual.Minute, message);
  58                         if ((resolution & Resolution._Second) != 0)
  59                                 Assert.AreEqual (expected.Second, actual.Second, message);
  60                         if ((resolution & Resolution._Millisecond) != 0)
  61                                 Assert.AreEqual (expected.Millisecond, actual.Millisecond, message);
  62                 }
  63
  64                 private CultureInfo oldcult;
  65
  66                 long[] myTicks = {
  67                         631501920000000000L,    // 25 Feb 2002 - 00:00:00
  68                         631502475130080000L,    // 25 Feb 2002 - 15:25:13,8
  69                         631502115130080000L,    // 25 Feb 2002 - 05:25:13,8
  70                         631502115000000000L,    // 25 Feb 2002 - 05:25:00
  71                         631502115130000000L,    // 25 Feb 2002 - 05:25:13
  72                         631502079130000000L,    // 25 Feb 2002 - 04:25:13
  73                         629197085770000000L,    // 06 Nov 1994 - 08:49:37
  74                         631796544000000000L,    // 01 Feb 2003 - 00:00:00
  75                 };
  76
  77                 [SetUp]
  78                 public void SetUp()
  79                 {
  80                         // the current culture determines the result of formatting
  81                         oldcult = Thread.CurrentThread.CurrentCulture;
  82                         Thread.CurrentThread.CurrentCulture = new CultureInfo ("");
  83                 }
  84
  85                 [TearDown]
  86                 public void TearDown ()
  87                 {
  88                         Thread.CurrentThread.CurrentCulture = oldcult;
  89                 }
  90
  91                 [Test]
  92                 public void TestCtors ()
  93                 {
  94                         DateTime t1 = new DateTime (2002,2,25);
  95                         Assert.AreEqual (myTicks [0], t1.Ticks, "A01");
  96                         DateTime t2 = new DateTime (2002,2,25,15,25,13,8);
  97                         Assert.AreEqual (myTicks [1], t2.Ticks, "A02");
  98                         Assert.AreEqual (myTicks [0], t2.Date.Ticks, "A03");
  99                         Assert.AreEqual (2002, t2.Year, "A04");
 100                         Assert.AreEqual (2, t2.Month, "A05");
 101                         Assert.AreEqual (25, t2.Day, "A06");
 102                         Assert.AreEqual (15, t2.Hour, "A07");
 103                         Assert.AreEqual (25, t2.Minute, "A08");
 104                         Assert.AreEqual (13, t2.Second, "A09");
 105                         Assert.AreEqual (8, t2.Millisecond, "A10");
 106                         DateTime t3 = new DateTime (2002,2,25,5,25,13,8);
 107                         Assert.AreEqual (myTicks [2], t3.Ticks, "A11");
 108                 }
 109
 110                 [Test]
 111                 public void Constructor_Max ()
 112                 {
 113                         Assert.AreEqual (3155378975999990000, new DateTime (9999, 12, 31, 23, 59, 59, 999).Ticks, "Max");
 114                 }
 115
 116                 [Test]
 117                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
 118                 public void Constructor_Milliseconds_Negative ()
 119                 {
 120                         new DateTime (9999, 12, 31, 23, 59, 59, -1);
 121                 }
 122
 123                 [Test]
 124                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
 125                 public void Constructor_Milliseconds_1000 ()
 126                 {
 127                         new DateTime (9999, 12, 31, 23, 59, 59, 1000);
 128                 }
 129
 130                 [Test]
 131                 public void Fields ()
 132                 {
 133                         Assert.AreEqual (3155378975999999999L, DateTime.MaxValue.Ticks, "#1");
 134                         Assert.AreEqual (0, DateTime.MinValue.Ticks, "#2");
 135                 }
 136
 137                 [Test]
 138                 public void Add ()
 139                 {
 140                         DateTime t1 = new DateTime (myTicks [1]);
 141                         TimeSpan span = new TimeSpan (3, 54, 1);
 142                         DateTime t2 = t1.Add (span);
 143
 144                         Assert.AreEqual (25, t2.Day, "#1");
 145                         Assert.AreEqual (19, t2.Hour, "#2");
 146                         Assert.AreEqual (19, t2.Minute, "#3");
 147                         Assert.AreEqual (14, t2.Second, "#4");
 148
 149                         Assert.AreEqual (25, t1.Day, "#5");
 150                         Assert.AreEqual (15, t1.Hour, "#6");
 151                         Assert.AreEqual (25, t1.Minute, "#7");
 152                         Assert.AreEqual (13, t1.Second, "#8");
 153                 }
 154
 155                 [Test]
 156                 [ExpectedException(typeof (ArgumentOutOfRangeException))]
 157                 public void AddOutOfRangeException1 ()
 158                 {
 159                         DateTime t1 = new DateTime (myTicks [1]);
 160                         t1.Add (TimeSpan.MaxValue);
 161                 }
 162
 163                 [Test]
 164                 [ExpectedException(typeof (ArgumentOutOfRangeException))]
 165                 public void AddOutOfRangeException2 ()
 166                 {
 167                         DateTime t1 = new DateTime (myTicks [1]);
 168                         t1.Add (TimeSpan.MinValue);
 169                 }
 170
 171                 [Test]
 172                 public void AddDays ()
 173                 {
 174                         DateTime t1 = new DateTime (myTicks [1]);
 175                         t1 = t1.AddDays (3);
 176                         Assert.AreEqual (28, t1.Day, "#A1");
 177                         Assert.AreEqual (15, t1.Hour, "#A2");
 178                         Assert.AreEqual (25, t1.Minute, "#A3");
 179                         Assert.AreEqual (13, t1.Second, "#A4");
 180
 181                         t1 = t1.AddDays (1.9);
 182                         Assert.AreEqual (2, t1.Day, "#B1");
 183                         Assert.AreEqual (13, t1.Hour, "#B2");
 184                         Assert.AreEqual (1, t1.Minute, "#B3");
 185                         Assert.AreEqual (13, t1.Second, "#B4");
 186
 187                         t1 = t1.AddDays (0.2);
 188                         Assert.AreEqual (2, t1.Day, "#C1");
 189                         Assert.AreEqual (17, t1.Hour, "#C2");
 190                         Assert.AreEqual (49, t1.Minute, "#C3");
 191                         Assert.AreEqual (13, t1.Second, "#C4");
 192                 }
 193
 194                 [Test]
 195                 [ExpectedException(typeof (ArgumentOutOfRangeException))]
 196                 public void AddDaysOutOfRangeException1 ()
 197                 {
 198                         DateTime t1 = new DateTime (myTicks [1]);
 199                         t1.AddDays (10000000);
 200                 }
 201
 202                 [Test]
 203                 [ExpectedException(typeof (ArgumentOutOfRangeException))]
 204                 public void AddDaysOutOfRangeException2 ()
 205                 {
 206                         DateTime t1 = new DateTime (myTicks [1]);
 207                         t1.AddDays (-10000000);
 208                 }
 209
 210                 [Test]
 211                 public void AddHours ()
 212                 {
 213                         DateTime t1 = new DateTime (myTicks [1]);
 214                         t1 = t1.AddHours (10);
 215                         Assert.AreEqual (26, t1.Day, "#A1");
 216                         Assert.AreEqual (1, t1.Hour, "#A2");
 217                         Assert.AreEqual (25, t1.Minute, "#A3");
 218                         Assert.AreEqual (13, t1.Second, "#A4");
 219
 220                         t1 = t1.AddHours (-3.7);
 221                         Assert.AreEqual (25, t1.Day, "#B1");
 222                         Assert.AreEqual (21, t1.Hour, "#B2");
 223                         Assert.AreEqual (43, t1.Minute, "#B3");
 224                         Assert.AreEqual (13, t1.Second, "#B4");
 225
 226                         t1 = t1.AddHours (3.732);
 227                         Assert.AreEqual (26, t1.Day, "#C1");
 228                         Assert.AreEqual (1, t1.Hour, "#C2");
 229                         Assert.AreEqual (27, t1.Minute, "#C3");
 230                         Assert.AreEqual (8, t1.Second, "#C4");
 231                 }
 232
 233                 [Test]
 234                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
 235                 [Category("MobileNotWorking")]
 236                 public void AddHoursOutOfRangeException1 ()
 237                 {
 238                         DateTime t1 = new DateTime (myTicks [1]);
 239                         t1.AddHours (9E100);
 240                 }
 241
 242                 [Test]
 243                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
 244                 [Category("MobileNotWorking")]
 245                 public void AddHoursOutOfRangeException2 ()
 246                 {
 247                         DateTime t1 = new DateTime (myTicks [1]);
 248                         t1.AddHours (-9E100);
 249                 }
 250
 251                 [Test]
 252                 public void AddMilliseconds ()
 253                 {
 254                         DateTime t1 = new DateTime (myTicks [1]);
 255                         t1 = t1.AddMilliseconds (1E10);
 256                         Assert.AreEqual (21, t1.Day, "#A1");
 257                         Assert.AreEqual (9, t1.Hour, "#A2");
 258                         Assert.AreEqual (11, t1.Minute, "#A3");
 259                         Assert.AreEqual (53, t1.Second, "#A4");
 260
 261                         t1 = t1.AddMilliseconds (-19E10);
 262                         Assert.AreEqual (13, t1.Day, "#B1");
 263                         Assert.AreEqual (7, t1.Hour, "#B2");
 264                         Assert.AreEqual (25, t1.Minute, "#B3");
 265                         Assert.AreEqual (13, t1.Second, "#B4");
 266
 267                         t1 = t1.AddMilliseconds (15.623);
 268                         Assert.AreEqual (13, t1.Day, "#C1");
 269                         Assert.AreEqual (7, t1.Hour, "#C2");
 270                         Assert.AreEqual (25, t1.Minute, "#C3");
 271                         Assert.AreEqual (13, t1.Second, "#C4");
 272                 }
 273
 274                 const long MaxMillis = 315537897600000;
 275
 276                 [Test]
 277                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
 278                 public void AddMillisecondsOutOfRangeException1 ()
 279                 {
 280                         DateTime t1 = new DateTime (myTicks [1]);
 281                         // double to long conversion with overflow lead to "unspecified value",
 282                         // ref: https://msdn.microsoft.com/en-us/library/yht2cx7b.aspx
 283                         // so we adapt the test to avoid this condition based on the real limit
 284                         // see https://github.com/Microsoft/referencesource/blob/master/mscorlib/system/datetime.cs#L90
 285                         t1.AddMilliseconds (MaxMillis + 1);
 286                 }
 287
 288                 [Test]
 289                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
 290                 public void AddMillisecondsOutOfRangeException2 ()
 291                 {
 292                         DateTime t1 = new DateTime (myTicks [1]);
 293                         t1.AddMilliseconds (-MaxMillis-1);
 294                 }
 295
 296                 [Test]
 297                 public void TestToString ()
 298                 {
 299                         DateTime t1 = new DateTime (myTicks[2]);
 300                         DateTime t2 = new DateTime (myTicks[1]);
 301                         DateTime t3 = new DateTime (999, 1, 2, 3, 4, 5);
 302                         // Standard patterns
 303                         Assert.AreEqual ("02/25/2002", t1.ToString ("d"), "#A1");
 304                         Assert.AreEqual ("Monday, 25 February 2002", t1.ToString ("D"), "#A2");
 305                         Assert.AreEqual ("Monday, 25 February 2002 05:25", t1.ToString ("f"), "#A3");
 306                         Assert.AreEqual ("Monday, 25 February 2002 05:25:13", t1.ToString ("F"), "#A4");
 307                         Assert.AreEqual ("02/25/2002 05:25", t1.ToString ("g"), "#A5");
 308                         Assert.AreEqual ("02/25/2002 05:25:13", t1.ToString ("G"), "#A6");
 309                         Assert.AreEqual ("February 25", t1.ToString ("m"), "#A7");
 310                         Assert.AreEqual ("February 25", t1.ToString ("M"), "#A8");
 311                         Assert.AreEqual ("Mon, 25 Feb 2002 05:25:13 GMT", t1.ToString ("r"), "#A9");
 312                         Assert.AreEqual ("Mon, 25 Feb 2002 05:25:13 GMT", t1.ToString ("R"), "#A10");
 313                         Assert.AreEqual ("2002-02-25T05:25:13", t1.ToString ("s"), "#A11");
 314                         Assert.AreEqual ("05:25", t1.ToString ("t"), "#A12");
 315                         Assert.AreEqual ("05:25:13", t1.ToString ("T"), "#A13");
 316                         Assert.AreEqual ("2002-02-25 05:25:13Z", t1.ToString ("u"), "#A14");
 317                         // FIXME: this test is timezone dependent
 318                         // Assert.AreEqual ("Sunday, 24 February 2002 11:25:13", t1.ToString ("U"), "#A15");
 319                         Assert.AreEqual ("2002 February", t1.ToString ("y"), "#A16");
 320                         Assert.AreEqual ("2002 February", t1.ToString ("Y"), "#A17");
 321                         Assert.AreEqual ("02/25/2002 05:25:13", t1.ToString (""), "#A18");
 322
 323                         // Custom patterns
 324                         Assert.AreEqual ("25", t1.ToString ("%d"), "#B1");
 325                         Assert.AreEqual ("25", t1.ToString ("dd"), "#B2");
 326                         Assert.AreEqual ("Mon", t1.ToString ("ddd"), "#B3");
 327                         Assert.AreEqual ("Monday", t1.ToString ("dddd"), "#B4");
 328                         Assert.AreEqual ("2", t1.ToString ("%M"), "#B5");
 329                         Assert.AreEqual ("02", t1.ToString ("MM"), "#B6");
 330                         Assert.AreEqual ("Feb", t1.ToString ("MMM"), "#B7");
 331                         Assert.AreEqual ("February", t1.ToString ("MMMM"), "#B8");
 332                         Assert.AreEqual ("2", t1.ToString ("%y"), "#B9");
 333                         Assert.AreEqual ("02", t1.ToString ("yy"), "#B10");
 334                         Assert.AreEqual ("2002", t1.ToString ("yyyy"), "#B11");
 335                         Assert.AreEqual ("5", t1.ToString ("%h"), "#B12");
 336                         Assert.AreEqual ("05", t1.ToString ("hh"), "#B13");
 337                         Assert.AreEqual ("3", t2.ToString ("%h"), "#B14");
 338                         Assert.AreEqual ("03", t2.ToString ("hh"), "#B15");
 339                         Assert.AreEqual ("15", t2.ToString ("%H"), "#B16");
 340                         Assert.AreEqual ("15", t2.ToString ("HH"), "#B17");
 341                         Assert.AreEqual ("25", t2.ToString ("%m"), "#B18");
 342                         Assert.AreEqual ("25", t2.ToString ("mm"), "#B19");
 343                         Assert.AreEqual ("13", t2.ToString ("%s"), "#B20");
 344                         Assert.AreEqual ("13", t2.ToString ("ss"), "#B21");
 345                         Assert.AreEqual ("A", t1.ToString ("%t"), "#B22");
 346                         Assert.AreEqual ("P", t2.ToString ("%t"), "#B23");
 347                         Assert.AreEqual ("AM", t1.ToString ("tt"), "#B24");
 348                         Assert.AreEqual ("PM", t2.ToString ("tt"), "#B25");
 349                         long offset = TimeZone.CurrentTimeZone.GetUtcOffset(t1).Ticks / 36000000000;
 350                         // Must specify '+0' for GMT
 351                         Assert.AreEqual (offset.ToString ("+#;-#;+0"), t1.ToString ("%z"), "#B26");
 352                         Assert.AreEqual (offset.ToString ("+00;-00;+00"), t1.ToString ("zz"), "#B28");
 353                         // This does not work in, eg banglore, because their timezone has an offset of
 354                         // +05:30
 355                         //Assert.AreEqual (offset.ToString("+00;-00;00") + ":00", t1.ToString ("zzz"), "#B28");
 356                         Assert.AreEqual (" : ", t1.ToString (" : "), "#B29");
 357                         Assert.AreEqual (" / ", t1.ToString (" / "), "#B30");
 358                         Assert.AreEqual (" yyy ", t1.ToString (" 'yyy' "), "#B31");
 359                         Assert.AreEqual (" d", t1.ToString (" \\d"), "#B32");
 360                         Assert.AreEqual ("2002", t1.ToString ("yyy"), "#B33");
 361                         Assert.AreEqual ("0002002", t1.ToString ("yyyyyyy"), "#B34");
 362                         Assert.AreEqual ("999", t3.ToString ("yyy"), "#B33");
 363                         Assert.AreEqual ("0999", t3.ToString ("yyyy"), "#B33");
 364                 }
 365
 366                 [Test]
 367                 public void TestToStringGenitive ()
 368                 {
 369                         DateTime dt = new DateTime (2010, 1, 2, 3, 4, 5);
 370                         var dtf = new CultureInfo ("cs-cz").DateTimeFormat;
 371
 372                         Assert.AreEqual ("2 ledna", dt.ToString ("d MMMM", dtf), "#A1");
 373                         Assert.AreEqual ("2. ledna", dt.ToString ("d. MMMM", dtf), "#A2");
 374                         Assert.AreEqual ("leden", dt.ToString ("MMMM", dtf), "#A4");
 375                         Assert.AreEqual ("leden", dt.ToString ("MMMMMMM", dtf), "#A5");
 376                 }
 377
 378                 [Test]
 379                 public void ParseExact_Format_Empty ()
 380                 {
 381                         try {
 382                                 DateTime.ParseExact ("2002-02-25 04:25:13Z", string.Empty, null);
 383                                 Assert.Fail ("#A1");
 384                         } catch (FormatException ex) {
 385                                 // Format specifier was invalid
 386                                 Assert.AreEqual (typeof (FormatException), ex.GetType (), "#B2");
 387                                 Assert.IsNull (ex.InnerException, "#B3");
 388                                 Assert.IsNotNull (ex.Message, "#B4");
 389                         }
 390
 391                         try {
 392                                 DateTime.ParseExact ("2002-02-25 04:25:13Z", string.Empty, null,
 393                                         DateTimeStyles.None);
 394                                 Assert.Fail ("#B1");
 395                         } catch (FormatException ex) {
 396                                 // Format specifier was invalid
 397                                 Assert.AreEqual (typeof (FormatException), ex.GetType (), "#B2");
 398                                 Assert.IsNull (ex.InnerException, "#B3");
 399                                 Assert.IsNotNull (ex.Message, "#B4");
 400                         }
 401                 }
 402
 403                 [Test]
 404                 public void ParseExact_Format_Null ()
 405                 {
 406                         try {
 407                                 DateTime.ParseExact ("2002-02-25 04:25:13Z", (string) null, null);
 408                                 Assert.Fail ("#A1");
 409                         } catch (ArgumentNullException ex) {
 410                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#A2");
 411                                 Assert.IsNull (ex.InnerException, "#A3");
 412                                 Assert.IsNotNull (ex.Message, "#A4");
 413                                 Assert.IsNotNull (ex.ParamName, "#A5");
 414                                 Assert.AreEqual ("format", ex.ParamName, "#A6");
 415                         }
 416
 417                         try {
 418                                 DateTime.ParseExact ("2002-02-25 04:25:13Z", (string) null, null,
 419                                         DateTimeStyles.None);
 420                                 Assert.Fail ("#B1");
 421                         } catch (ArgumentNullException ex) {
 422                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#B2");
 423                                 Assert.IsNull (ex.InnerException, "#B3");
 424                                 Assert.IsNotNull (ex.Message, "#B4");
 425                                 Assert.IsNotNull (ex.ParamName, "#B5");
 426                                 Assert.AreEqual ("format", ex.ParamName, "#B6");
 427                         }
 428                 }
 429
 430                 [Test]
 431                 public void ParseExact_Formats_Empty ()
 432                 {
 433                         try {
 434                                 DateTime.ParseExact ("2002-02-25 04:25:13Z", new string [0],
 435                                         null, DateTimeStyles.None);
 436                                 Assert.Fail ("#A1");
 437                         } catch (FormatException ex) {
 438                                 // Format specifier was invalid
 439                                 Assert.AreEqual (typeof (FormatException), ex.GetType (), "#A2");
 440                                 Assert.IsNull (ex.InnerException, "#A3");
 441                                 Assert.IsNotNull (ex.Message, "#A4");
 442                         }
 443
 444                         string [] formats = new string [] { "G", string.Empty, "d" };
 445                         try {
 446                                 DateTime.ParseExact ("2002-02-25 04:25:13Z", formats, null,
 447                                         DateTimeStyles.None);
 448                                 Assert.Fail ("#B1");
 449                         } catch (FormatException ex) {
 450                                 // Format specifier was invalid
 451                                 Assert.AreEqual (typeof (FormatException), ex.GetType (), "#B2");
 452                                 Assert.IsNull (ex.InnerException, "#B3");
 453                                 Assert.IsNotNull (ex.Message, "#B4");
 454                         }
 455                 }
 456
 457                 [Test]
 458                 public void ParseExact_Formats_Null ()
 459                 {
 460                         try {
 461                                 DateTime.ParseExact ("2002-02-25 04:25:13Z", (string []) null,
 462                                         null, DateTimeStyles.None);
 463                                 Assert.Fail ("#A1");
 464                         } catch (ArgumentNullException ex) {
 465                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#A2");
 466                                 Assert.IsNull (ex.InnerException, "#A3");
 467                                 Assert.IsNotNull (ex.Message, "#A4");
 468                                 Assert.IsNotNull (ex.ParamName, "#A5");
 469                                 Assert.AreEqual ("formats", ex.ParamName, "#A6");
 470                         }
 471
 472                         string [] formats = new string [] { "G", null, "d" };
 473                         try {
 474                                 DateTime.ParseExact ("2002-02-25 04:25:13Z", formats, null,
 475                                         DateTimeStyles.None);
 476                                 Assert.Fail ("#B1");
 477                         } catch (FormatException ex) {
 478                                 // Format specifier was invalid
 479                                 Assert.AreEqual (typeof (FormatException), ex.GetType (), "#B2");
 480                                 Assert.IsNull (ex.InnerException, "#B3");
 481                                 Assert.IsNotNull (ex.Message, "#B4");
 482                         }
 483                 }
 484
 485                 [Test]
 486                 public void ParseExact_String_Empty ()
 487                 {
 488                         try {
 489                                 DateTime.ParseExact (string.Empty, "G", null);
 490                                 Assert.Fail ("#A1");
 491                         } catch (FormatException ex) {
 492                                 // Format specifier was invalid
 493                                 Assert.AreEqual (typeof (FormatException), ex.GetType (), "#A2");
 494                                 Assert.IsNull (ex.InnerException, "#A3");
 495                                 Assert.IsNotNull (ex.Message, "#A4");
 496                         }
 497
 498                         try {
 499                                 DateTime.ParseExact (string.Empty, "G", null, DateTimeStyles.None);
 500                                 Assert.Fail ("#B1");
 501                         } catch (FormatException ex) {
 502                                 // Format specifier was invalid
 503                                 Assert.AreEqual (typeof (FormatException), ex.GetType (), "#B2");
 504                                 Assert.IsNull (ex.InnerException, "#B3");
 505                                 Assert.IsNotNull (ex.Message, "#B4");
 506                         }
 507
 508                         try {
 509                                 DateTime.ParseExact (string.Empty, new string [] { "G" }, null,
 510                                         DateTimeStyles.None);
 511                                 Assert.Fail ("#C1");
 512                         } catch (FormatException ex) {
 513                                 // Format specifier was invalid
 514                                 Assert.AreEqual (typeof (FormatException), ex.GetType (), "#C2");
 515                                 Assert.IsNull (ex.InnerException, "#C3");
 516                                 Assert.IsNotNull (ex.Message, "#C4");
 517                         }
 518                 }
 519
 520                 [Test]
 521                 public void ParseExact_String_Null ()
 522                 {
 523                         try {
 524                                 DateTime.ParseExact ((string) null, "G", null);
 525                                 Assert.Fail ("#A1");
 526                         } catch (ArgumentNullException ex) {
 527                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#A2");
 528                                 Assert.IsNull (ex.InnerException, "#A3");
 529                                 Assert.IsNotNull (ex.Message, "#A4");
 530                                 Assert.IsNotNull (ex.ParamName, "#A5");
 531                                 Assert.AreEqual ("s", ex.ParamName, "#A6");
 532                         }
 533
 534                         try {
 535                                 DateTime.ParseExact ((string) null, "G", null, DateTimeStyles.None);
 536                                 Assert.Fail ("#B1");
 537                         } catch (ArgumentNullException ex) {
 538                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#B2");
 539                                 Assert.IsNull (ex.InnerException, "#B3");
 540                                 Assert.IsNotNull (ex.Message, "#B4");
 541                                 Assert.IsNotNull (ex.ParamName, "#B5");
 542                                 Assert.AreEqual ("s", ex.ParamName, "#B6");
 543                         }
 544
 545                         try {
 546                                 DateTime.ParseExact ((string) null, new string [] { "G" }, null,
 547                                         DateTimeStyles.None);
 548                                 Assert.Fail ("#C1");
 549                         } catch (ArgumentNullException ex) {
 550                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#C2");
 551                                 Assert.IsNull (ex.InnerException, "#C3");
 552                                 Assert.IsNotNull (ex.Message, "#C4");
 553                                 Assert.IsNotNull (ex.ParamName, "#C5");
 554                                 Assert.AreEqual ("s", ex.ParamName, "#C6");
 555                         }
 556                 }
 557
 558                 [Test]
 559                 public void TestParseExact3 ()
 560                 {
 561                         DateTime t1 = DateTime.ParseExact ("2002-02-25 04:25:13Z", "u", null);
 562                         Assert.AreEqual (2002, t1.Year, "#1");
 563                         Assert.AreEqual (02, t1.Month, "#2");
 564                         Assert.AreEqual (25, t1.Day, "#3");
 565                         Assert.AreEqual (04, t1.Hour, "#4");
 566                         Assert.AreEqual (25, t1.Minute, "#5");
 567                         Assert.AreEqual (13, t1.Second, "#6");
 568                 }
 569
 570                 [Test]
 571                 public void TestParseExact4 ()
 572                 {
 573                         // Checks 24hours format used together with the AM/PM designator
 574                         string s = "6/28/2004 13:00:00 AM";
 575                         string f = "M/d/yyyy HH':'mm':'ss tt";
 576                         try {
 577                                 DateTime.ParseExact (s, f, CultureInfo.InvariantCulture);
 578                                 Assert.Fail ("#1");
 579                         } catch (FormatException) {
 580                         }
 581
 582                         s = "6/28/2004 04:00:00 AM";
 583                         DateTime.ParseExact (s, f, CultureInfo.InvariantCulture);
 584
 585                         s = "6/28/2004 06:00:00 PM";
 586                         try {
 587                                 DateTime.ParseExact (s, f, CultureInfo.InvariantCulture);
 588                                 Assert.Fail ("#2");
 589                         } catch (FormatException) {
 590                         }
 591
 592                         s = "6/28/2004 17:00:00 PM";
 593                         DateTime.ParseExact (s, f, CultureInfo.InvariantCulture);
 594                 }
 595
 596                 [Test]
 597                 public void TestParseExact4_2 ()
 598                 {
 599                         // bug #63137
 600                         DateTime.ParseExact ("Wed, 12 May 2004 20:51:09 +0200",
 601                                 @"ddd, d MMM yyyy H:m:s zzz",
 602                                 CultureInfo.CreateSpecificCulture("en-us"),
 603                                 DateTimeStyles.AllowInnerWhite);
 604                 }
 605
 606                 [Test]
 607                 public void TestParseExact5 ()
 608                 {
 609                         DateTime dt = DateTime.ParseExact ("Wed, 12 May 2004 20:51:09 -02:30",
 610                                                         @"ddd, d MMM yyyy H:m:s zzz",
 611                                                         CultureInfo.CreateSpecificCulture("en-us"),
 612                                                         DateTimeStyles.AllowInnerWhite);
 613                         dt = dt.ToUniversalTime ();
 614                         Assert.AreEqual (23, dt.Hour, "Hour");
 615                         Assert.AreEqual (21, dt.Minute, "Minute");
 616                 }
 617
 618                 [Test]
 619                 public void TestParseExactMiliseconds ()
 620                 {
 621                         string s = "1984-09-17T09:00:00.6Z";
 622                         DateTime dt = DateTime.ParseExact (s, "yyyy-MM-dd'T'HH:mm:ss.FFF'Z'", CultureInfo.InvariantCulture);
 623                         Assert.AreEqual (new DateTime (1984, 9, 17, 9, 0, 0, 600), dt, "#1");
 624
 625                         s = "1984-09-17T09:00:00Z";
 626                         dt = DateTime.ParseExact (s, "yyyy-MM-dd'T'HH:mm:ss.FFF'Z'", CultureInfo.InvariantCulture);
 627                         Assert.AreEqual (new DateTime (1984, 9, 17, 9, 0, 0, 0), dt, "#2");
 628
 629                         s = "1984-09-17T09:00:00Z";
 630                         dt = DateTime.ParseExact (s, "yyyy-MM-dd'T'HH:mm:ssFFF'Z'", CultureInfo.InvariantCulture);
 631                         Assert.AreEqual (new DateTime (1984, 9, 17, 9, 0, 0, 0), dt, "#3");
 632                 }
 633
 634                 [Test]
 635                 public void TestParseExact ()
 636                 {
 637                         // Standard patterns
 638                         DateTime t1 = DateTime.ParseExact ("02/25/2002", "d", null);
 639                         Assert.AreEqual (myTicks [0], t1.Ticks, "#A1");
 640                         t1 = DateTime.ParseExact ("Monday, 25 February 2002", "D", null);
 641                         Assert.AreEqual (myTicks [0], t1.Ticks, "#A2");
 642                         t1 = DateTime.ParseExact ("Monday, 25 February 2002 05:25", "f", null);
 643                         Assert.AreEqual (myTicks [3], t1.Ticks, "#A3");
 644                         t1 = DateTime.ParseExact ("Monday, 25 February 2002 05:25:13", "F", null);
 645                         Assert.AreEqual (myTicks [4], t1.Ticks, "#A4");
 646                         t1 = DateTime.ParseExact ("02/25/2002 05:25", "g", null);
 647                         Assert.AreEqual (myTicks [3], t1.Ticks, "#A5");
 648                         t1 = DateTime.ParseExact ("02/25/2002 05:25:13", "G", null);
 649                         Assert.AreEqual (myTicks [4], t1.Ticks, "#A6");
 650                         t1 = DateTime.ParseExact ("Monday, 25 February 2002 04:25:13", "U", null);
 651                         t1 = TimeZone.CurrentTimeZone.ToUniversalTime(t1);
 652                         Assert.AreEqual (2002, t1.Year, "#A7");
 653                         Assert.AreEqual (02, t1.Month, "#A8");
 654                         Assert.AreEqual (25, t1.Day, "#A9");
 655                         Assert.AreEqual (04, t1.Hour, "#A10");
 656                         Assert.AreEqual (25, t1.Minute, "#A11");
 657                         Assert.AreEqual (13, t1.Second, "#A12");
 658                         t1 = DateTime.ParseExact ("Monday, 25 February 2002 04:25:13", "U", null);
 659                         Assert.AreEqual ("Monday, 25 February 2002 04:25:13", t1.ToString ("U"), "#A13");
 660
 661                         DateTime t2 = new DateTime (DateTime.Today.Year, 2, 25);
 662                         t1 = DateTime.ParseExact ("February 25", "m", null);
 663                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#B1");
 664
 665                         t2 = new DateTime (DateTime.Today.Year, 2, 25);
 666                         t1 = DateTime.ParseExact ("February 25", "M", null);
 667                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#B2");
 668
 669                         t1 = DateTime.ParseExact ("Mon, 25 Feb 2002 04:25:13 GMT", "r", null);
 670                         Assert.AreEqual (2002, t1.Year, "#C1");
 671                         Assert.AreEqual (02, t1.Month, "#C2");
 672                         Assert.AreEqual (25, t1.Day, "#C3");
 673                         Assert.AreEqual (04, t1.Hour, "#C4");
 674                         Assert.AreEqual (25, t1.Minute, "#C5");
 675                         Assert.AreEqual (13, t1.Second, "#C6");
 676
 677                         t1 = DateTime.ParseExact ("Mon, 25 Feb 2002 04:25:13 GMT", "R", null);
 678                         Assert.AreEqual (2002, t1.Year, "#D1");
 679                         Assert.AreEqual (02, t1.Month, "#D2");
 680                         Assert.AreEqual (25, t1.Day, "#D3");
 681                         Assert.AreEqual (04, t1.Hour, "#D4");
 682                         Assert.AreEqual (25, t1.Minute, "#D5");
 683                         Assert.AreEqual (13, t1.Second, "#D6");
 684
 685                         t1 = DateTime.ParseExact ("2002-02-25T05:25:13", "s", null);
 686                         Assert.AreEqual (myTicks [4], t1.Ticks, "#E1");
 687
 688                         t2 = DateTime.Today + new TimeSpan (5,25,0);
 689                         t1 = DateTime.ParseExact ("05:25", "t", null);
 690                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#E2");
 691
 692                         t2 = DateTime.Today + new TimeSpan (5,25,13);
 693                         t1 = DateTime.ParseExact ("05:25:13", "T", null);
 694                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#E3");
 695
 696                         t2 = new DateTime (2002, 2, 1);
 697                         t1 = DateTime.ParseExact ("2002 February", "y", null);
 698                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#E4");
 699
 700                         t2 = new DateTime (2002, 2, 1);
 701                         t1 = DateTime.ParseExact ("2002 February", "Y", null);
 702                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#E5");
 703
 704                         // Custom patterns
 705                         t2 = new DateTime (DateTime.Now.Year, 1, 25);
 706                         t1 = DateTime.ParseExact ("25", "%d", null);
 707                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#F1");
 708                         t1 = DateTime.ParseExact ("25", "dd", null);
 709                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#F2");
 710
 711                         t2 = new DateTime (DateTime.Today.Year, 2, 1);
 712                         t1 = DateTime.ParseExact ("2", "%M", null);
 713                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G1");
 714                         t1 = DateTime.ParseExact ("02", "MM", null);
 715                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G2");
 716                         t1 = DateTime.ParseExact ("Feb", "MMM", null);
 717                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G3");
 718                         t1 = DateTime.ParseExact ("February", "MMMM", null);
 719                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G4");
 720
 721                         t2 = new DateTime (2005, 1, 1);
 722                         t1 = DateTime.ParseExact ("5", "%y", null);
 723                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G5");
 724                         t1 = DateTime.ParseExact ("05", "yy", null);
 725                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G6");
 726                         t1 = DateTime.ParseExact ("2005", "yyyy", null);
 727                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G7");
 728
 729                         t2 = DateTime.Today + new TimeSpan (5, 0, 0);
 730                         t1 = DateTime.ParseExact ("5A", "ht", null);
 731                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G8");
 732                         t1 = DateTime.ParseExact ("05A", "hht", null);
 733                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G9");
 734
 735                         t2 = DateTime.Today + new TimeSpan (15, 0, 0);
 736                         t1 = DateTime.ParseExact ("3P", "ht", null);
 737                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G10");
 738                         t1 = DateTime.ParseExact ("03P", "hht", null);
 739                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G11");
 740
 741                         t2 = DateTime.Today + new TimeSpan (5, 0, 0);
 742                         t1 = DateTime.ParseExact ("5", "%H", null);
 743                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G12");
 744
 745                         t2 = DateTime.Today + new TimeSpan (15, 0, 0);
 746                         t1 = DateTime.ParseExact ("15", "%H", null);
 747                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G13");
 748                         t1 = DateTime.ParseExact ("15", "HH", null);
 749                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G14");
 750
 751                         // Time zones
 752 #if false
 753                         // Fails durring DST for msft and mono
 754                         t2 = DateTime.Today + new TimeSpan (17, 18, 0);
 755                         t1 = DateTime.ParseExact ("11:18AM -5", "h:mmtt z", null);
 756                         t1 = TimeZone.CurrentTimeZone.ToUniversalTime(t1);
 757                         if (!TimeZone.CurrentTimeZone.IsDaylightSavingTime(t1))
 758                                 t1 += new TimeSpan(1, 0, 0);
 759                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#H1");
 760
 761                         t1 = DateTime.ParseExact ("11:18AM -05:00", "h:mmtt zzz", null);
 762                         t1 = TimeZone.CurrentTimeZone.ToUniversalTime(t1);
 763                         if (!TimeZone.CurrentTimeZone.IsDaylightSavingTime(t1))
 764                                 t1 += new TimeSpan(1, 0, 0);
 765                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#H2");
 766
 767                         t1 = DateTime.ParseExact ("7:18PM +03", "h:mmtt zz", null);
 768                         t1 = TimeZone.CurrentTimeZone.ToUniversalTime(t1);
 769                         if (!TimeZone.CurrentTimeZone.IsDaylightSavingTime(t1))
 770                                 t1 += new TimeSpan(1, 0, 0);
 771                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#H3");
 772
 773                         t1 = DateTime.ParseExact ("7:48PM +03:30", "h:mmtt zzz", null);
 774                         t1 = TimeZone.CurrentTimeZone.ToUniversalTime(t1);
 775                         if (!TimeZone.CurrentTimeZone.IsDaylightSavingTime(t1))
 776                                 t1 += new TimeSpan(1, 0, 0);
 777                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#H4");
 778 #endif
 779
 780                         // Options
 781                         t2 = DateTime.Today + new TimeSpan (16, 18, 0);
 782                         t1 = DateTime.ParseExact ("11:18AM -5", "h:mmtt z",
 783                                                   null, DateTimeStyles.AdjustToUniversal);
 784                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#I1");
 785
 786                         t1 = DateTime.ParseExact ("Monday, 25 February 2002 05:25:13", "F",
 787                                                   null, DateTimeStyles.AdjustToUniversal);
 788                         Assert.AreEqual (myTicks [4], t1.Ticks, "#I2");
 789                         t1 = DateTime.ParseExact ("Monday, 25 February 2002 05:25:13",
 790                                                   "dddd, dd MMMM yyyy HH:mm:ss",
 791                                                   null, DateTimeStyles.AdjustToUniversal);
 792                         Assert.AreEqual (myTicks [4], t1.Ticks, "#I3");
 793
 794                         t1 = DateTime.ParseExact ("02/25/2002", "d", null,
 795                                                   DateTimeStyles.AllowWhiteSpaces);
 796                         Assert.AreEqual (myTicks [0], t1.Ticks, "#I4");
 797
 798                         t1 = DateTime.ParseExact ("    02/25/2002", "d", null,
 799                                                   DateTimeStyles.AllowLeadingWhite);
 800                         Assert.AreEqual (myTicks [0], t1.Ticks, "#I5");
 801
 802                         t1 = DateTime.ParseExact ("02/25/2002    ", "d", null,
 803                                                   DateTimeStyles.AllowTrailingWhite);
 804                         Assert.AreEqual (myTicks [0], t1.Ticks, "#I6");
 805
 806                         t1 = DateTime.ParseExact ("  02 / 25 / 2002    ", "d", null,
 807                                                   DateTimeStyles.AllowWhiteSpaces);
 808                         Assert.AreEqual (myTicks [0], t1.Ticks, "#I7");
 809
 810                         // Multi Custom Patterns
 811                         string rfc1123_date = "r";
 812                         string rfc850_date = "dddd, dd'-'MMM'-'yy HH':'mm':'ss 'GMT'";
 813                         string asctime_date = "ddd MMM d HH':'mm':'ss yyyy";
 814                         string [] formats = new string [] {rfc1123_date, rfc850_date, asctime_date};
 815                         CultureInfo enUS = new CultureInfo("en-US", false);
 816                         t1 = DateTime.ParseExact ("Sun, 06 Nov 1994 08:49:37 GMT", formats[0], enUS,
 817                                                 DateTimeStyles.AllowWhiteSpaces);
 818                         Assert.AreEqual (myTicks [6], t1.Ticks, "#J1");
 819                         t1 = DateTime.ParseExact ("Sunday, 06-Nov-94 08:49:37 GMT", formats[1], enUS,
 820                                                 DateTimeStyles.AllowWhiteSpaces);
 821                         Assert.AreEqual (myTicks [6], t1.Ticks, "#J2");
 822                         t1 = DateTime.ParseExact ("Sun Nov  6 08:49:37 1994", formats[2], enUS,
 823                                                 DateTimeStyles.AllowWhiteSpaces);
 824                         Assert.AreEqual (myTicks [6], t1.Ticks, "#J3");
 825                         t1 = DateTime.ParseExact ("Sun, 06 Nov 1994 08:49:37 GMT", formats, enUS,
 826                                                 DateTimeStyles.AllowWhiteSpaces);
 827                         Assert.AreEqual (myTicks [6], t1.Ticks, "#J4");
 828                         t1 = DateTime.ParseExact ("Sunday, 06-Nov-94 08:49:37 GMT", formats, enUS,
 829                                                 DateTimeStyles.AllowWhiteSpaces);
 830                         Assert.AreEqual (myTicks [6], t1.Ticks, "#J5");
 831                         t1 = DateTime.ParseExact ("Sun Nov  6 08:49:37 1994", formats, enUS,
 832                                                 DateTimeStyles.AllowWhiteSpaces);
 833                         Assert.AreEqual (myTicks [6], t1.Ticks, "#J6");
 834                         t1 = DateTime.ParseExact ("Monday, 25 February 2002 05:25:13",
 835                                                 "ddddddd, dd MMMMMMM yyyy HHHHH:mmmmm:sssss",
 836                                                 null, DateTimeStyles.AdjustToUniversal);
 837                         Assert.AreEqual (myTicks[4], t1.Ticks, "#J7");
 838
 839                         // Bug 52274
 840                         t1 = DateTime.ParseExact ("--12--", "--MM--" , null);
 841                         Assert.AreEqual (12, t1.Month, "#K1");
 842                         t1=DateTime.ParseExact ("--12-24", "--MM-dd" , null);
 843                         Assert.AreEqual (24, t1.Day, "#K2");
 844                         Assert.AreEqual (12, t1.Month, "#K3");
 845                         t1=DateTime.ParseExact ("---24", "---dd" , null);
 846                         Assert.AreEqual (24, t1.Day, "#K4");
 847
 848                         // Bug 63376
 849                         t1 = DateTime.ParseExact ("18Aug2004 12:33:00", "ddMMMyyyy hh:mm:ss", new CultureInfo ("en-US"));
 850                         Assert.AreEqual (0, t1.Hour, "hh allows 12, though it's useless");
 851
 852                         // Bug 74775
 853                         DateTime.ParseExact ("Tue, 12 Apr 2005 10:10:04 +0100",
 854                                 "Tue, 12 Apr 2005 10:10:04 +0100", enUS);
 855                         try {
 856                                 DateTime.ParseExact ("Tue, 12 Apr 2005 10:10:04 +00000",
 857                                         "ddd, dd MMM yyyy HH':'mm':'ss zzz", enUS);
 858                                 Assert.Fail ("#L1");
 859                         } catch (FormatException) {
 860                         }
 861
 862                         // Bug #75213 : literal escaping.
 863                         t1 = DateTime.ParseExact ("20050707132527Z",
 864                                 "yyyyMMddHHmmss\\Z", CultureInfo.InvariantCulture);
 865                         Assert.AreEqual (632563395270000000, t1.Ticks, "#L2");
 866
 867                         // XAttributeTest.CastDateTimeOffsets():#6b
 868                         // It is said broken, probably due to timezone difference.
 869                         //t1 = DateTime.ParseExact ("2039-10-31T12:34:56.7552+00:00", "yyyy-MM-ddTHH:mm:ss.FFFFFFFzzz",
 870                         //                        CultureInfo.InvariantCulture, DateTimeStyles.AssumeUniversal);
 871                         //Assert.AreEqual (643393064967552000, t1.Ticks, "#M");
 872                 }
 873
 874                 [Test]
 875                 public void TestParse2 ()
 876                 {
 877                         DateTime t1 = DateTime.Parse ("Mon, 25 Feb 2002 04:25:13 GMT");
 878                         t1 = TimeZone.CurrentTimeZone.ToUniversalTime(t1);
 879                         Assert.AreEqual (4, t1.Hour);
 880                 }
 881
 882                 [Test]
 883                 public void TestUtcOffset_Novell710512 ()
 884                 {
 885                         // test for bug Novell #710512
 886                         if (TimeZoneInfo.Local.BaseUtcOffset == TimeSpan.Zero)
 887                                 Assert.Ignore("Test doesn't apply with current time zone");
 888
 889                         var localTime = DateTime.Parse ("Mon, 25 Feb 2002 04:25:13 GMT");
 890                         var utcTime = TimeZone.CurrentTimeZone.ToUniversalTime(localTime);
 891                         Assert.AreEqual (TimeSpan.Zero, TimeZone.CurrentTimeZone.GetUtcOffset (utcTime));
 892                 }
 893
 894                 [Test]
 895                 public void TestParseDateFirst ()
 896                 {
 897                         // Standard patterns
 898                         CultureInfo USCultureInfo = new CultureInfo("en-US");
 899                         DateTime t1 = DateTime.Parse ("02/25/2002", USCultureInfo);
 900                         Assert.AreEqual (myTicks [0], t1.Ticks, "#A1");
 901                         t1 = DateTime.Parse ("2002-02-25", USCultureInfo);
 902                         Assert.AreEqual (myTicks [0], t1.Ticks, "#A2");
 903                         t1 = DateTime.Parse ("Monday, 25 February 2002");
 904                         Assert.AreEqual (myTicks [0], t1.Ticks, "#A3");
 905                         t1 = DateTime.Parse ("Monday, 25 February 2002 05:25");
 906                         Assert.AreEqual (myTicks [3], t1.Ticks, "#A4");
 907                         t1 = DateTime.Parse ("Monday, 25 February 2002 05:25:13");
 908                         Assert.AreEqual (myTicks [4], t1.Ticks, "#A5");
 909                         t1 = DateTime.Parse ("02/25/2002 05:25", USCultureInfo);
 910                         Assert.AreEqual (myTicks [3], t1.Ticks, "#A6");
 911                         t1 = DateTime.Parse ("02/25/2002 05:25:13", USCultureInfo);
 912                         Assert.AreEqual (myTicks [4], t1.Ticks, "#A7");
 913                         t1 = DateTime.Parse ("2002-02-25 04:25:13Z");
 914                         t1 = TimeZone.CurrentTimeZone.ToUniversalTime(t1);
 915                         Assert.AreEqual (2002, t1.Year, "#A8");
 916                         Assert.AreEqual (02, t1.Month, "#A9");
 917                         Assert.AreEqual (25, t1.Day, "#A10");
 918                         Assert.AreEqual (04, t1.Hour, "#A11");
 919                         Assert.AreEqual (25, t1.Minute, "#A12");
 920                         Assert.AreEqual (13, t1.Second, "#A13");
 921                         t1 = DateTime.Parse ("Mon,02/25/2002", USCultureInfo);
 922                         Assert.AreEqual (myTicks [0], t1.Ticks, "#A14");
 923                         DateTime t2 = new DateTime (1999, 1, 2, 0, 3, 4);
 924                         t1 = DateTime.Parse (t2.ToLongTimeString ());
 925                         Assert.AreEqual (0, t1.Hour, "#A14");
 926
 927                         // parsed as UTC string
 928                         t1 = DateTime.Parse ("Mon, 25 Feb 2002 04:25:13 GMT");
 929                         t1 = TimeZone.CurrentTimeZone.ToUniversalTime (t1);
 930                         Assert.AreEqual (2002, t1.Year, "#C1");
 931                         Assert.AreEqual (02, t1.Month, "#C2");
 932                         Assert.AreEqual (25, t1.Day, "#C3");
 933                         Assert.AreEqual (4, t1.Hour, "#C4");
 934                         Assert.AreEqual (25, t1.Minute, "#C5");
 935                         Assert.AreEqual (13, t1.Second, "#C6");
 936
 937                         // Some date 'T' time formats
 938                         t1 = DateTime.Parse ("2002-02-25T05:25");
 939                         Assert.AreEqual (myTicks [3], t1.Ticks, "#D1");
 940
 941                         t1 = DateTime.Parse ("2002-02-25T05:25:13");
 942                         Assert.AreEqual (myTicks [4], t1.Ticks, "#D1");
 943                         t1 = DateTime.Parse ("2002-02-25T05:25:13.008");
 944                         Assert.AreEqual (myTicks [2], t1.Ticks, "#D1");
 945                         t1 = DateTime.Parse ("02-2002-25T05:25:13");
 946                         Assert.AreEqual (myTicks [4], t1.Ticks, "#D1");
 947
 948                         // Day month
 949                         t2 = new DateTime (DateTime.Today.Year, 2, 25);
 950                         t1 = DateTime.Parse ("February 25", USCultureInfo);
 951                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#B1");
 952
 953                         t2 = new DateTime (DateTime.Today.Year, 2, 8);
 954                         t1 = DateTime.Parse ("February 08", USCultureInfo);
 955                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#B2");
 956
 957                         t2 = new DateTime (DateTime.Today.Year, 2, 8);
 958                         t1 = DateTime.Parse ("February 8", USCultureInfo);
 959                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#D6");
 960
 961                         // Month year
 962                         t2 = new DateTime (2002, 2, 1);
 963                         t1 = DateTime.Parse ("2002 February");
 964                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#D4");
 965
 966                         t2 = new DateTime (2002, 2, 1);
 967                         t1 = DateTime.Parse ("2002 February", new CultureInfo ("ja-JP"));
 968                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#D5");
 969
 970                         // bug #72132
 971                         t2 = new DateTime (2002, 2, 25, 5, 25, 22);
 972                         t1 = DateTime.Parse ("Monday, 25 February 2002 05:25:22",
 973                                 new CultureInfo ("hi-IN"));
 974                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#D7");
 975                         t2 = new DateTime (2002, 2, 25, 5, 25, 0);
 976                         t1 = DateTime.Parse ("Monday, 25 February 2002 05:25",
 977                                 new CultureInfo ("hi-IN"));
 978                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#D8");
 979
 980                         // MM-yyyy-dd + different time formats
 981                         t1 = DateTime.Parse ("02-2002-25 05:25", USCultureInfo);
 982                         Assert.AreEqual (myTicks[3], t1.Ticks, "#E1");
 983                         t1 = DateTime.Parse ("02-2002-25 05:25:13", USCultureInfo);
 984                         Assert.AreEqual (myTicks[4], t1.Ticks, "#E1");
 985                         t1 = DateTime.Parse ("02-2002-25 05:25:13 Mon", USCultureInfo);
 986                         Assert.AreEqual (myTicks[4], t1.Ticks, "#E2");
 987                         t1 = DateTime.Parse ("02-2002-25 05:25:13 Monday", USCultureInfo);
 988                         Assert.AreEqual (myTicks[4], t1.Ticks, "#E3");
 989                         t1 = DateTime.Parse ("02-2002-25 05:25:13.008", USCultureInfo);
 990                         Assert.AreEqual (myTicks[2], t1.Ticks, "#E4");
 991
 992                         // Formats with timezone
 993                         long offset = TimeZone.CurrentTimeZone.GetUtcOffset(t1).Ticks;
 994                         long hourTicks = 36000000000L;
 995                         long halfHourTicks = hourTicks / 2;
 996                         t1 = DateTime.Parse ("02-2002-25 05:25+01", USCultureInfo);
 997                         Assert.AreEqual (myTicks[3], t1.Ticks + hourTicks - offset, "#F1");
 998                         t1 = DateTime.Parse ("02-2002-25 05:25-01", USCultureInfo);
 999                         Assert.AreEqual (myTicks[3], t1.Ticks - hourTicks - offset, "#F2");
1000                         t1 = DateTime.Parse ("02-2002-25 05:25+00:30", USCultureInfo);
1001                         Assert.AreEqual (myTicks[3], t1.Ticks + hourTicks/2 - offset, "#F3");
1002                         t1 = DateTime.Parse ("02-2002-25 05:25:13+02", USCultureInfo);
1003                         Assert.AreEqual (myTicks[4], t1.Ticks + 2*hourTicks - offset, "#F4");
1004
1005                         // NET 1.0 doesn't accept second fractions and time zone.
1006                         t1 = DateTime.Parse ("2002-02-25 05:25:13.008-02");
1007                         Assert.AreEqual (myTicks[2], t1.Ticks - 2*hourTicks - offset, "#F5");
1008                         // NET 1.0 doesn't parse well time zone with AM afterwards.
1009                         t1 = DateTime.Parse ("02-25-2002 05:25:13-02 AM", USCultureInfo);
1010                         Assert.AreEqual (myTicks[4], t1.Ticks - 2*hourTicks - offset, "#F6");
1011                         t1 = DateTime.Parse ("25 Feb 2002 05:25:13-02 AM", USCultureInfo);
1012                         Assert.AreEqual (myTicks[4], t1.Ticks - 2*hourTicks - offset, "#F6");
1013                 }
1014
1015                 [Test]
1016                 public void TestParseTimeFirst ()
1017                 {
1018                         CultureInfo USCultureInfo = new CultureInfo("en-US");
1019
1020                         // Hour only patterns
1021                         DateTime t2 = DateTime.Today + new TimeSpan (5,25,0);
1022                         DateTime t1 = DateTime.Parse ("05:25");
1023                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#C1");
1024                         t2 = DateTime.Today + new TimeSpan (5,25,13);
1025                         t1 = DateTime.Parse ("05:25:13");
1026                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#B2");
1027
1028                         // Test with different date formats
1029                         t1 = DateTime.Parse ("05:25 02/25/2002", USCultureInfo);
1030                         Assert.AreEqual (myTicks[3], t1.Ticks, "#B1");
1031                         t1 = DateTime.Parse ("05:25:13 2002-02-25");
1032                         Assert.AreEqual (myTicks[4], t1.Ticks, "#B2");
1033                         t1 = DateTime.Parse ("05:25:13.008 02-2002-25");
1034                         Assert.AreEqual (myTicks[2], t1.Ticks, "#B3");
1035                         t1 = DateTime.Parse ("05:25:13.008 Feb 25 2002");
1036                         Assert.AreEqual (myTicks[2], t1.Ticks, "#B4");
1037                         t1 = DateTime.Parse ("05:25:13.008 25 Feb 2002");
1038                         Assert.AreEqual (myTicks[2], t1.Ticks, "#B5");
1039
1040                         // Add AM and day of the week
1041                         t1 = DateTime.Parse ("AM 05:25:13 2002-02-25");
1042                         Assert.AreEqual (myTicks[4], t1.Ticks, "#C1");
1043                         t1 = DateTime.Parse ("Monday05:25 02/25/2002", USCultureInfo);
1044                         Assert.AreEqual (myTicks[3], t1.Ticks, "#C2");
1045                         t1 = DateTime.Parse ("Mon 05:25 AM 02/25/2002", USCultureInfo);
1046                         Assert.AreEqual (myTicks[3], t1.Ticks, "#C3");
1047                         t1 = DateTime.Parse ("AM 05:25 Monday, 02/25/2002", USCultureInfo);
1048                         Assert.AreEqual (myTicks[3], t1.Ticks, "#C4");
1049                         t1 = DateTime.Parse ("05:25 02/25/2002 Monday", USCultureInfo);
1050                         Assert.AreEqual (myTicks[3], t1.Ticks, "#C5");
1051                         t1 = DateTime.Parse ("PM 03:25:13.008 02-2002-25");
1052                         Assert.AreEqual (myTicks[1], t1.Ticks, "#C6");
1053
1054                         // ASP.NET QuickStarts
1055                         t2 = new DateTime (2002, 10, 7, 15, 6, 0);
1056                         t1 = DateTime.Parse ("3:06 PM 10/7/2002", USCultureInfo);
1057                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#D1");
1058                         t2 = new DateTime (2002, 10, 7, 15, 6, 0);
1059                         t1 = DateTime.Parse ("3:06 pm 10/7/2002", USCultureInfo);
1060                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#D2");
1061                         t2 = new DateTime (2002, 10, 7, 3, 6, 0);
1062                         t1 = DateTime.Parse ("3:06 AM 10/7/2002", USCultureInfo);
1063                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#D3");
1064                         t2 = new DateTime (2002, 10, 7, 3, 6, 0);
1065                         t1 = DateTime.Parse ("3:06 am 10/7/2002", USCultureInfo);
1066                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#D4");
1067                 }
1068
1069                 [Test]
1070                 public void TestParseWithDifferentShortDatePatterns ()
1071                 {
1072                         CultureInfo cultureInfo = new CultureInfo("en-US");
1073                         DateTimeFormatInfo dateFormatInfo = cultureInfo.DateTimeFormat;
1074                         DateTime t1 = DateTime.Parse ("02/01/2003", cultureInfo);
1075                         Assert.AreEqual (myTicks[7], t1.Ticks, "#A1");
1076
1077                         // Day, month year behaviour
1078                         dateFormatInfo.ShortDatePattern = "dd/MM/yyyy";
1079                         t1 = DateTime.Parse ("01/02/03", cultureInfo);
1080                         Assert.AreEqual (myTicks[7], t1.Ticks, "#B1");
1081                         t1 = DateTime.Parse ("01/02/2003", cultureInfo);
1082                         Assert.AreEqual (myTicks[7], t1.Ticks, "#B2");
1083                         t1 = DateTime.Parse ("2003/02/01", cultureInfo);
1084                         Assert.AreEqual (myTicks[7], t1.Ticks, "#B3");
1085                         t1 = DateTime.Parse ("01/Feb/03", cultureInfo);
1086                         Assert.AreEqual (myTicks[7], t1.Ticks, "#B4");
1087                         t1 = DateTime.Parse ("Feb/01/03", cultureInfo);
1088                         Assert.AreEqual (myTicks[7], t1.Ticks, "#B5");
1089
1090                         // Month, day year behaviour
1091                         dateFormatInfo.ShortDatePattern = "MM/dd/yyyy";
1092                         t1 = DateTime.Parse ("02/01/03", cultureInfo);
1093                         Assert.AreEqual (myTicks[7], t1.Ticks, "#C1");
1094                         t1 = DateTime.Parse ("02/01/2003", cultureInfo);
1095                         Assert.AreEqual (myTicks[7], t1.Ticks, "#C2");
1096                         t1 = DateTime.Parse ("2003/02/01", cultureInfo);
1097                         Assert.AreEqual (myTicks[7], t1.Ticks, "#C3");
1098                         t1 = DateTime.Parse ("01/Feb/03", cultureInfo);
1099                         Assert.AreEqual (myTicks[7], t1.Ticks, "#C4");
1100                         t1 = DateTime.Parse ("Feb/01/03", cultureInfo);
1101                         Assert.AreEqual (myTicks[7], t1.Ticks, "#C5");
1102
1103                         // Year, month day behaviour
1104                         dateFormatInfo.ShortDatePattern = "yyyy/MM/dd";
1105                         t1 = DateTime.Parse ("03/02/01", cultureInfo);
1106                         Assert.AreEqual (myTicks[7], t1.Ticks, "#D1");
1107                         t1 = DateTime.Parse ("02/01/2003", cultureInfo);
1108                         Assert.AreEqual (myTicks[7], t1.Ticks, "#D2");
1109                         t1 = DateTime.Parse ("2003/02/01", cultureInfo);
1110                         Assert.AreEqual (myTicks[7], t1.Ticks, "#D3");
1111                         t1 = DateTime.Parse ("03/Feb/01", cultureInfo);
1112                         Assert.AreEqual (myTicks[7], t1.Ticks, "#D4");
1113                         t1 = DateTime.Parse ("Feb/03/01", cultureInfo);
1114                         Assert.AreEqual (myTicks[7], t1.Ticks, "#D5");
1115
1116                         // Year, day month behaviour
1117                         // Note that no culture I am aware of has this pattern, and indeed
1118                         dateFormatInfo.ShortDatePattern = "yyyy/dd/MM";
1119                         t1 = DateTime.Parse ("03/01/02", cultureInfo);
1120                         Assert.AreEqual (myTicks[7], t1.Ticks, "#E1");
1121                         t1 = DateTime.Parse ("01/02/2003", cultureInfo);
1122                         Assert.AreEqual (myTicks[7], t1.Ticks, "#E2");
1123
1124                         t1 = DateTime.Parse ("2003/01/02", cultureInfo);
1125                         Assert.AreEqual (myTicks[7], t1.Ticks, "#E3");
1126
1127                         // For some reason the following throws an exception on .Net
1128                         // t1 = DateTime.Parse ("03/Feb/01", cultureInfo);
1129                         // Assert.AreEqual (myTicks[7], t1.Ticks, "#E4");
1130                         // t1 = DateTime.Parse ("03/01/Feb", cultureInfo);
1131                         // Assert.AreEqual (myTicks[7], t1.Ticks, "#E5");
1132                         // t1 = DateTime.Parse ("Feb/01/03", cultureInfo);
1133                         // Assert.AreEqual (myTicks[7], t1.Ticks, "#E6");
1134                 }
1135
1136                 [Test]
1137                 public void TestParseWithDifferentMonthDayPatterns ()
1138                 {
1139                         CultureInfo cultureInfo = new CultureInfo("en-US");
1140                         DateTimeFormatInfo dateFormatInfo = cultureInfo.DateTimeFormat;
1141                         DateTime t1 = DateTime.Parse ("Feb 03", cultureInfo);
1142                         Assert.AreEqual (2, t1.Month, "#A1");
1143                         Assert.AreEqual (3, t1.Day, "#A2");
1144
1145                         // Day month behaviour
1146                         dateFormatInfo.MonthDayPattern = "dd/MM";
1147
1148                         t1 = DateTime.Parse ("Feb 03", cultureInfo);
1149                         Assert.AreEqual (2, t1.Month, "#B1");
1150                         Assert.AreEqual (1, t1.Day, "#B2");
1151                         Assert.AreEqual (2003, t1.Year, "#B3");
1152
1153                         t1 = DateTime.Parse ("03/02", cultureInfo);
1154                         Assert.AreEqual (2, t1.Month, "#B6");
1155                         Assert.AreEqual (3, t1.Day, "#B7");
1156                         t1 = DateTime.Parse ("03 Feb", cultureInfo);
1157                         Assert.AreEqual (2, t1.Month, "#B8");
1158                         Assert.AreEqual (3, t1.Day, "#B9");
1159
1160                         // Month day behaviour
1161                         dateFormatInfo.MonthDayPattern = "MM/dd";
1162                         t1 = DateTime.Parse ("Feb 03", cultureInfo);
1163                         Assert.AreEqual (2, t1.Month, "#C1");
1164                         Assert.AreEqual (3, t1.Day, "#C2");
1165                         t1 = DateTime.Parse ("02/03", cultureInfo);
1166                         Assert.AreEqual (2, t1.Month, "#C3");
1167                         Assert.AreEqual (3, t1.Day, "#C4");
1168                         t1 = DateTime.Parse ("03 Feb", cultureInfo);
1169                         Assert.AreEqual (2, t1.Month, "#C5");
1170                         Assert.AreEqual (3, t1.Day, "#C6");
1171                 }
1172
1173                 [Test]
1174                 public void TestParse3 ()
1175                 {
1176                         string s = "Wednesday, 09 June 2004";
1177                         DateTime.ParseExact (s, "dddd, dd MMMM yyyy", CultureInfo.InvariantCulture);
1178                         try {
1179                                 DateTime.ParseExact (s, "dddd, dd MMMM yyyy", new CultureInfo ("ja-JP"));
1180                                 Assert.Fail ("ja-JP culture does not support format \"dddd, dd MMMM yyyy\"");
1181                         } catch (FormatException) {
1182                         }
1183
1184                         // Ok, now we can assume ParseExact() works expectedly.
1185
1186                         DateTime.Parse (s, CultureInfo.InvariantCulture, DateTimeStyles.AllowWhiteSpaces);
1187                         DateTime.Parse (s, new CultureInfo ("ja-JP"), DateTimeStyles.AllowWhiteSpaces);
1188                         //DateTime.Parse (s, null); currently am not sure if it works for _every_ culture.
1189                 }
1190
1191
1192                 [Test] // bug #74936
1193                 public void TestParse4 ()
1194                 {
1195                         try {
1196                                 DateTime.Parse("1");
1197                                 Assert.Fail ("#1");
1198                         } catch (FormatException) {
1199                         }
1200
1201                         try {
1202                                 DateTime.Parse("1000");
1203                                 Assert.Fail ("#2");
1204                         } catch (FormatException) {
1205                         }
1206
1207                         try {
1208                                 DateTime.Parse("8:");
1209                                 Assert.Fail ("#3");
1210                         } catch (FormatException) {
1211                         }
1212                 }
1213
1214                 [Test] // bug #71289
1215                 public void Parse_Bug71289a ()
1216                 {
1217                         DateTime.Parse ("Sat,,,,,, 01 Oct 1994 03:00:00", CultureInfo.InvariantCulture);
1218                 }
1219
1220                 [Test]
1221                 public void Parse_Bug71289b ()
1222                 {
1223                         // more example...
1224                         DateTime.Parse ("Sat,,, 01,,, Oct,,, ,,,1994 03:00:00", CultureInfo.InvariantCulture);
1225                 }
1226
1227                 [Test]
1228                 public void TryParse_Bug11630 ()
1229                 {
1230                         DateTime parsed;
1231
1232                         Assert.IsTrue (DateTime.TryParse ("10Feb2013", out parsed));
1233                         Assert.AreEqual (new DateTime (2013, 2, 10), parsed);
1234                 }
1235
1236                 [Test]
1237                 [ExpectedException (typeof (FormatException))]
1238                 public void Parse_CommaAfterHours ()
1239                 {
1240                         // ',' after 03 is not allowed.
1241                         DateTime.Parse ("Sat,,, 01,,, Oct,,, ,,,1994 03,:00:00", CultureInfo.InvariantCulture);
1242                 }
1243
1244                 [Test] // bug #72788
1245                 public void Parse_Bug72788 ()
1246                 {
1247                         DateTime dt = DateTime.Parse ("21/02/05", new CultureInfo ("fr-FR"));
1248                         Assert.AreEqual (2005, dt.Year, "#1");
1249                         Assert.AreEqual (02, dt.Month, "#2");
1250                         Assert.AreEqual (21, dt.Day, "#3");
1251                 }
1252
1253                 [Test] // bug #322510
1254                 public void Parse_HourDesignator ()
1255                 {
1256                         DateTime dt;
1257                         DateTime now = DateTime.Now;
1258
1259                         dt = DateTime.Parse ("12:00:00 AM", new CultureInfo ("en-US"));
1260                         Assert.AreEqual (now.Year, dt.Year, "#A1");
1261                         Assert.AreEqual (now.Month, dt.Month, "#A2");
1262                         Assert.AreEqual (now.Day, dt.Day, "#A3");
1263                         Assert.AreEqual (0, dt.Hour, "#A4");
1264                         Assert.AreEqual (0, dt.Minute, "#A5");
1265                         Assert.AreEqual (0, dt.Second, "#A6");
1266                         Assert.AreEqual (0, dt.Millisecond, "#A7");
1267
1268                         dt = DateTime.Parse ("12:00:00 PM", new CultureInfo ("en-US"));
1269                         Assert.AreEqual (now.Year, dt.Year, "#B1");
1270                         Assert.AreEqual (now.Month, dt.Month, "#B2");
1271                         Assert.AreEqual (now.Day, dt.Day, "#B3");
1272                         Assert.AreEqual (12, dt.Hour, "#B4");
1273                         Assert.AreEqual (0, dt.Minute, "#B5");
1274                         Assert.AreEqual (0, dt.Second, "#B6");
1275                         Assert.AreEqual (0, dt.Millisecond, "#B7");
1276                 }
1277
1278                 [Test]
1279                 public void Parse_Bug53023b ()
1280                 {
1281                         foreach (CultureInfo ci in CultureInfo.GetCultures (CultureTypes.SpecificCultures)) {
1282                                 if (ci.Name == "ar-SA")
1283                                         continue;
1284
1285                                 try {
1286                                         DateTime.Parse ("01-Sep-05", ci);
1287
1288                                         // FIXME: Our UmAlQuraCalendar/HijriCalendar calendars support month days - 1 only (fail on last day in month)
1289                                         if (ci.Calendar is UmAlQuraCalendar || ci.Calendar is HijriCalendar)
1290                                                 continue;
1291
1292                                         DateTime.Parse ("4:35:35 AM", ci);
1293                                 } catch {
1294                                         Assert.Fail (ci.Name);
1295                                 }
1296                         }
1297                 }
1298
1299                 [Test]
1300                 [ExpectedException (typeof (FormatException))]
1301                 public void Parse_RequireSpaceSeparator ()
1302                 {
1303                         DateTime.Parse ("05:25:132002-02-25", CultureInfo.InvariantCulture);
1304                 }
1305
1306                 [Test]
1307                 [ExpectedException (typeof (FormatException))]
1308                 public void Parse_DontAccept2DigitsYears ()
1309                 {
1310                         // don't allow 2 digit years where we require 4.
1311                         DateTime.ParseExact ("05", "yyyy", CultureInfo.InvariantCulture);
1312                 }
1313
1314                 [Test]
1315                 [ExpectedException (typeof (FormatException))]
1316                 public void Parse_DontAcceptEmptyHours ()
1317                 {
1318                         DateTime.ParseExact (":05", "H:m", CultureInfo.InvariantCulture);
1319                 }
1320
1321                 [Test]
1322                 [ExpectedException (typeof (FormatException))]
1323                 public void Parse_DontAcceptEmptyMinutes ()
1324                 {
1325                         DateTime.ParseExact ("0::0", "H:m:s", CultureInfo.InvariantCulture);
1326                 }
1327
1328                 [Test]
1329                 public void ParseCOMDependentFormat ()
1330                 {
1331                         // Japanese format.
1332                         DateTime.Parse (String.Format (
1333                                 "{0}\u5E74{1}\u6708{2}\u65E5 {3}\u6642{4}\u5206{5}\u79D2",
1334                                 2006, 3, 1, 15, 32, 42), new CultureInfo (""));
1335
1336                         try {
1337                                 // incorrect year mark.
1338                                 DateTime.Parse (String.Format (
1339                                         "{0}\u4E00{1}\u6708{2}\u65E5 {3}\u6642{4}\u5206{5}\u79D2",
1340                                         2006, 3, 1, 15, 32, 42), new CultureInfo (""));
1341                                 Assert.Fail ();
1342                         } catch (FormatException) {
1343                         }
1344                 }
1345
1346                 [Test]
1347                 [ExpectedException(typeof (FormatException))]
1348                 public void ParseFormatException1 ()
1349                 {
1350                         // Following string is not a correct French date i.e.
1351                         // MM/dd/yyyy HH:mm:ss since it expects d/M/yyyy HH:mm:ss
1352                         // instead (however fr-FR accepts both MM/dd/yyyy and
1353                         // dd/MM/yyyy, which means that we can't just throw exceptions
1354                         // on overflow).
1355                         String frDateTime = "11/13/2003 11:28:15";
1356                         IFormatProvider format = new CultureInfo("fr-FR", true);
1357                         DateTime t1 = DateTime.Parse(frDateTime, format);
1358                 }
1359
1360                 [Test]
1361                 [ExpectedException(typeof (FormatException))]
1362                 public void ParseFormatExceptionForInvalidYear ()
1363                 {
1364                         // Bug #77633.  In .NET 1..1, the expected exception is ArgumentOutOfRangeException
1365                         // In .NET 2.0, the expected exception is FormatException
1366                         // build a string with the year of 5 digits
1367                         string s = "1/1/10000";
1368                         DateTime dt = DateTime.Parse (s);
1369                 }
1370
1371                 [Test]
1372                 public void TestOA ()
1373                 {
1374                         double number=5000.41443;
1375                         DateTime d = DateTime.FromOADate(number);
1376                         DTAssertEquals (d, new DateTime(1913, 9, 8, 9, 56, 46, 0), Resolution.Second, "#1");
1377                         Assert.AreEqual (d.ToOADate(), number, "#2");
1378                 }
1379
1380                 [Test]
1381                 public void ParseAllowsQueerString ()
1382                 {
1383                         DateTime.Parse ("Sat,,,,,, 01 Oct 1994 03:00:00", CultureInfo.InvariantCulture);
1384                 }
1385
1386                 [Test]
1387                 public void ParseUtcNonUtc ()
1388                 {
1389                         Thread.CurrentThread.CurrentCulture = new CultureInfo ("es-ES");
1390
1391                         CultureInfo ci;
1392                         string s, s2, s3, d;
1393                         DateTime dt;
1394                         DateTimeFormatInfo dfi = DateTimeFormatInfo.InvariantInfo;
1395                         s = dfi.UniversalSortableDateTimePattern;
1396                         s2 = "r";
1397
1398                         s3 = "s";
1399
1400                         long tick1 = 631789220960000000; // 2003-01-23 12:34:56 as is
1401                         long tick2 = TimeZone.CurrentTimeZone.ToLocalTime (new DateTime (tick1)).Ticks; // adjusted to local time
1402
1403                         // invariant
1404                         ci = CultureInfo.InvariantCulture;
1405
1406                         d = "2003/01/23 12:34:56";
1407                         dt = DateTime.Parse (d, ci);
1408                         Assert.AreEqual (tick1, dt.Ticks, "#1:" + d);
1409
1410                         d = "2003/01/23 12:34:56 GMT";
1411                         dt = DateTime.Parse (d, ci);
1412                         Assert.AreEqual (tick2, dt.Ticks, "#2:" + d);
1413
1414                         d = "Thu, 23 Jan 2003 12:34:56 GMT";
1415                         dt = DateTime.ParseExact (d, s2, ci);
1416                         Assert.AreEqual (tick1, dt.Ticks, "#3:" + d);
1417
1418                         d = "2003-01-23 12:34:56Z";
1419                         dt = DateTime.ParseExact (d, s, ci);
1420                         Assert.AreEqual (tick1, dt.Ticks, "#4:" + d);
1421
1422                         d = "2003-01-23T12:34:56";
1423                         dt = DateTime.ParseExact (d, s3, ci);
1424                         Assert.AreEqual (tick1, dt.Ticks, "#5:" + d);
1425
1426                         // ja-JP ... it should be culture independent
1427                         ci = new CultureInfo ("ja-JP");
1428
1429                         d = "2003/01/23 12:34:56";
1430                         dt = DateTime.Parse (d, ci);
1431                         Assert.AreEqual (tick1, dt.Ticks, "#6:" + d);
1432
1433                         d = "2003/01/23 12:34:56 GMT";
1434                         dt = DateTime.Parse (d, ci);
1435                         Assert.AreEqual (tick2, dt.Ticks, "#7:" + d);
1436
1437                         d = "Thu, 23 Jan 2003 12:34:56 GMT";
1438                         dt = DateTime.ParseExact (d, s2, ci);
1439                         Assert.AreEqual (tick1, dt.Ticks, "#8:" + d);
1440
1441                         d = "2003-01-23 12:34:56Z";
1442                         dt = DateTime.ParseExact (d, s, ci);
1443                         Assert.AreEqual (tick1, dt.Ticks, "#9:" + d);
1444
1445                         d = "2003-01-23T12:34:56";
1446                         dt = DateTime.ParseExact (d, s3, ci);
1447                         Assert.AreEqual (tick1, dt.Ticks, "#10:" + d);
1448                 }
1449
1450                 [Test]
1451                 public void TimeZoneAdjustment ()
1452                 {
1453                         CultureInfo ci = Thread.CurrentThread.CurrentCulture;
1454                         try {
1455                                 Thread.CurrentThread.CurrentCulture = new CultureInfo ("en-US");
1456                                 DateTime d1 = DateTime.ParseExact ("2004/06/30", "yyyy/MM/dd", null);
1457                                 DateTime d2 = DateTime.ParseExact ("2004/06/30Z", "yyyy/MM/dd'Z'", null);
1458                                 DateTime d3 = DateTime.ParseExact ("Wed, 30 Jun 2004 00:00:00 GMT", "ddd, dd MMM yyyy HH':'mm':'ss 'GMT'", null);
1459                                 DateTime d4 = DateTime.ParseExact ("2004-06-30 00:00:00Z", "yyyy'-'MM'-'dd HH':'mm':'ss'Z'", null);
1460                                 StringWriter sw = new StringWriter ();
1461                                 sw.Write ("{0} {1}", d1.Ticks, d1);
1462                                 Assert.AreEqual ("632241504000000000 6/30/2004 12:00:00 AM", sw.ToString (), "#1");
1463                                 sw.GetStringBuilder ().Length = 0;
1464                                 sw.Write ("{0} {1}", d2.Ticks, d2);
1465                                 Assert.AreEqual ("632241504000000000 6/30/2004 12:00:00 AM", sw.ToString (), "#2");
1466                                 sw.GetStringBuilder ().Length = 0;
1467                                 sw.Write ("{0} {1}", d3.Ticks, d3);
1468                                 Assert.AreEqual ("632241504000000000 6/30/2004 12:00:00 AM", sw.ToString (), "#3");
1469                                 sw.GetStringBuilder ().Length = 0;
1470                                 sw.Write ("{0} {1}", d4.Ticks, d4);
1471                                 Assert.AreEqual ("632241504000000000 6/30/2004 12:00:00 AM", sw.ToString (), "#4");
1472                         } finally {
1473                                 Thread.CurrentThread.CurrentCulture = ci;
1474                         }
1475
1476                         // bug #76082
1477                         Assert.AreEqual (DateTime.MinValue, DateTime.ParseExact ("00010101T00:00:00",
1478                                         "yyyyMMdd'T'HH':'mm':'ss", DateTimeFormatInfo.InvariantInfo), "#5");
1479                 }
1480
1481                 [Test]
1482                 public void DateTimeStylesAdjustToUniversal ()
1483                 {
1484                         // bug #75995 : AdjustToUniversal
1485                         DateTime t1 = DateTime.Parse ("2005-09-05T22:29:00Z",
1486                                 CultureInfo.InvariantCulture,
1487                                 DateTimeStyles.AdjustToUniversal);
1488                         Assert.AreEqual ("2005-09-05 22:29:00Z", t1.ToString ("u"));
1489                 }
1490
1491                 [Test]
1492                 [ExpectedException (typeof (ArgumentException))]
1493                 public void FromOADate_Min ()
1494                 {
1495                         // minimum documented value isn't inclusive
1496                         DateTime.FromOADate (-657435.0d);
1497                 }
1498
1499                 [Test]
1500                 [ExpectedException (typeof (ArgumentException))]
1501                 public void FromOADate_Max ()
1502                 {
1503                         // maximum documented value isn't inclusive
1504                         DateTime.FromOADate (2958466.0d);
1505                 }
1506
1507                 [Test]
1508                 public void FromOADate ()
1509                 {
1510                         // Note: OA (OLE Automation) dates aren't timezone sensitive
1511                         Assert.AreEqual (599264352000000000, DateTime.FromOADate (0.0d).Ticks, "#1");
1512                         Assert.AreEqual (31242239136000000, DateTime.FromOADate (-657434.999d).Ticks, "#2");
1513                         Assert.AreEqual (3155378975136000000, DateTime.FromOADate (2958465.999d).Ticks, "#3");
1514                 }
1515
1516                 [Test]
1517                 public void ToOADate ()
1518                 {
1519                         // Note: OA (OLE Automation) dates aren't timezone sensitive
1520                         DateTime d = new DateTime (0);
1521                         Assert.AreEqual (0.0d, d.ToOADate (), "#1");
1522                         d = new DateTime (599264352000000000);
1523                         Assert.AreEqual (0.0d, d.ToOADate (), "#2");
1524                         d = new DateTime (31242239136000000);
1525                         Assert.AreEqual ("-657434.999", d.ToOADate ().ToString (), "#3");
1526                         d = new DateTime (3155378975136000000);
1527                         Assert.AreEqual (2958465.999d, d.ToOADate (), "#4");
1528                 }
1529
1530                 [Test]
1531                 public void ToOADate_OverMax ()
1532                 {
1533                         DateTime d = new DateTime (3155378975136000001);
1534                         Assert.AreEqual (2958465.999d, d.ToOADate ());
1535                 }
1536
1537                 [Test]
1538                 public void ToOADate_UnderMin ()
1539                 {
1540                         DateTime d = new DateTime (31242239135999999);
1541                         Assert.AreEqual (-657434.999d, d.ToOADate ());
1542                 }
1543
1544                 [Test]
1545                 public void ToOADate_MinValue ()
1546                 {
1547                         Assert.AreEqual (0, DateTime.MinValue.ToOADate ());
1548                 }
1549
1550                 [Test] // bug52075
1551                 public void MaxValueYear ()
1552                 {
1553                         Assert.AreEqual ("9999", DateTime.MaxValue.Year.ToString ());
1554                 }
1555
1556                 [Test]
1557                 public void X509Certificate ()
1558                 {
1559                         // if this test fails then *ALL* or *MOST* X509Certificate tests will also fails
1560                         DateTime dt = DateTime.ParseExact ("19960312183847Z", "yyyyMMddHHmmssZ", null);
1561                         Assert.AreEqual (DateTimeKind.Local, dt.Kind, "#1");
1562                         dt = dt.ToUniversalTime ();
1563                         Assert.AreEqual (DateTimeKind.Utc, dt.Kind, "#2");
1564                         Assert.AreEqual ("03/12/1996 18:38:47", dt.ToString (), "#3");
1565
1566                         // technically this is invalid (PKIX) because of the missing seconds but it exists so...
1567                         dt = DateTime.ParseExact ("9602231915Z", "yyMMddHHmmZ", null);
1568                         Assert.AreEqual (DateTimeKind.Local, dt.Kind, "#4");
1569                         dt = dt.ToUniversalTime ();
1570                         Assert.AreEqual (DateTimeKind.Utc, dt.Kind, "#5");
1571                         Assert.AreEqual ("02/23/1996 19:15:00", dt.ToString (), "#6");
1572
1573                         dt = DateTime.ParseExact ("19960312183847Z", "yyyyMMddHHmmssZ", null, DateTimeStyles.AdjustToUniversal);
1574                         Assert.AreEqual (DateTimeKind.Utc, dt.Kind, "#7");
1575                 }
1576
1577                 [Test]
1578                 public void ZLiteral ()
1579                 {
1580                         // However, "Z" and "'Z'" are different.
1581                         DateTime dt = DateTime.ParseExact ("19960312183847Z", "yyyyMMddHHmmss'Z'", null);
1582                         DateTime dtz = DateTime.ParseExact ("19960312183847Z", "yyyyMMddHHmmssZ", null);
1583                         Assert.AreEqual (DateTimeKind.Unspecified, dt.Kind, "#1");
1584                         dt = dt.ToLocalTime ();
1585                         Assert.AreEqual (DateTimeKind.Local, dt.Kind, "#2");
1586                         Assert.AreEqual (DateTimeKind.Local, dtz.Kind, "#3");
1587                         Assert.AreEqual (dt, dtz, "#4");
1588                 }
1589
1590                 [Test] // bug 56436
1591                 public void QuotedFormat ()
1592                 {
1593                         string date = "28/Mar/2004:19:12:37 +0200";
1594                         string [] expectedFormats = {"dd\"/\"MMM\"/\"yyyy:HH:mm:ss zz\"00\""};
1595                         DateTime.ParseExact (date, expectedFormats, null, DateTimeStyles.AllowWhiteSpaces);
1596                 }
1597
1598                 [Test]
1599                 public void CultureIndependentTests ()
1600                 {
1601                         // Here I aggregated some tests mainly because of test
1602                         // performance (iterating all the culture is heavy process).
1603
1604                         for (int i = 0; i < 32768; i++) {
1605                                 CultureInfo ci = null;
1606                                 string stage = "init";
1607                                 try {
1608                                         try {
1609                                                 ci = new CultureInfo (i);
1610                                                 // In fact InvatiantCulture is not neutral.
1611                                                 // See bug #59716.
1612                                                 if (ci.IsNeutralCulture && ci != CultureInfo.InvariantCulture)
1613                                                         continue;
1614                                         } catch (Exception) {
1615                                                 continue;
1616                                         }
1617                                         Thread.CurrentThread.CurrentCulture = ci;
1618                                         DateTime dt;
1619
1620                                         switch (ci.LCID) {
1621                                         case 1025: // ar-SA
1622                                         case 2559: // qps-plocm
1623                                                 continue; // fails too many tests below on .NET.
1624                                         }
1625
1626                                         // Common patterns
1627                                         // X509Certificate pattern is _always_ accepted.
1628                                         stage = "1";
1629                                         dt = DateTime.ParseExact ("19960312183847Z", "yyyyMMddHHmmssZ", null);
1630
1631                                         stage = "2";
1632                                         // fails with many cultures on .NET.
1633         //                              if (i != 127)
1634         //                                      dt = DateTime.Parse ("19960312183847Z");
1635
1636                                         stage = "3";
1637                                         dt = DateTime.Parse ("2004-05-26T03:29:01.1234567");
1638                                         stage = "4";
1639                                         dt = DateTime.Parse ("2004-05-26T03:29:01.1234567-07:00");
1640
1641                                         // memo: the least LCID is 127, and then 1025(ar-SA)
1642
1643                                         // "th-TH" locale rejects them since in
1644                                         // ThaiBuddhistCalendar the week of a day is different.
1645                                         // (and also for years).
1646                                         switch (ci.LCID) {
1647                                         case 1054:
1648                                         case 1128: // ha-Latn-NG
1649                                                 break;
1650                                         default:
1651                                                 try {
1652                                                         stage = "5";
1653                                                         dt = DateTime.Parse ("Sat, 29 Oct 1994 12:00:00 GMT", ci);
1654                                                 } catch (FormatException ex) {
1655                                                         Assert.Fail (String.Format ("stage 5.1 RFC1123: culture {0} {1} failed: {2}", i, ci, ex.Message));
1656                                                 }
1657
1658                                                 // bug #47720
1659                                                 if (dt != TimeZone.CurrentTimeZone.ToUniversalTime (dt))
1660                                                         Assert.IsTrue (12 != dt.Hour, String.Format ("bug #47720 on culture {0} {1}", ci.LCID, ci));
1661
1662                                                 // variant of RFC1123
1663                                                 try {
1664                                                         stage = "6";
1665                                                         dt = DateTime.Parse ("Sat, 1 Oct 1994 03:00:00", ci);
1666                                                 } catch (FormatException ex) {
1667                                                         Assert.Fail (String.Format ("stage 6.1 RFC1123 variant: culture {0} {1} failed: {2}", i, ci, ex.Message));
1668                                                 }
1669                                                 stage = "7";
1670                                                 Assert.AreEqual (3, dt.Hour, String.Format ("stage 7.1 RFC1123 variant on culture {0} {1}", ci.LCID, ci));
1671                                                 break;
1672                                         }
1673
1674                                         switch (ci.LCID) {
1675                                         case 1054: // th-TH
1676                                         case 1123: // ps-AF
1677                                         case 1125: // div-MV
1678                                         case 1164: // prs-AF
1679                                                 break;
1680                                         default:
1681                                                 stage = "8";
1682                                                 // 02/25/2002 04:25:13 as is
1683                                                 long tick1 = 631502079130000000;
1684                                                 long tick2 = TimeZone.CurrentTimeZone.ToLocalTime (new DateTime (tick1)).Ticks; // adjusted to local time
1685                                                 dt = DateTime.Parse ("Mon, 25 Feb 2002 04:25:13 GMT", ci);
1686                                                 Assert.AreEqual (tick2, dt.Ticks, String.Format ("GMT variant. culture={0} {1}", i, ci));
1687                                                 break;
1688                                         }
1689
1690
1691                                         // ka-GE rejects these formats under MS.NET.
1692                                         // I wonder why. Also, those tests fail under .NET 1.0.
1693                                         if (ci.LCID != 1079) {
1694                                                 stage = "9";
1695                                                 dt = DateTime.Parse ("2002-02-25");
1696                                                 stage = "10";
1697                                                 dt = DateTime.Parse ("2002-02-25Z");
1698                                                 stage = "11";
1699                                                 dt = DateTime.Parse ("2002-02-25T19:20:00+09:00");
1700                                                 switch (ci.LCID) {
1701                                                 case 1038: // FIXME: MS passes this culture.
1702                                                 case 1062: // FIXME: MS passes this culture.
1703                                                 case 1078: // MS does not pass this culture. Dunno why.
1704                                                         break;
1705                                                 default:
1706                                                         break;
1707                                                 }
1708                                                 stage = "14";
1709                                                 dt = DateTime.Parse ("2002-02-25 12:01:03");
1710                                                 stage = "17";
1711                                                 if (ci.DateTimeFormat.TimeSeparator != ".")
1712                                                         dt = DateTime.Parse ("2002.02.25 12:01:03");
1713                                                 stage = "18";
1714                                                 dt = DateTime.Parse ("2003/01/23 01:34:56 GMT");
1715                                                 dt = TimeZone.CurrentTimeZone.ToUniversalTime (dt);
1716                                                 Assert.AreEqual (1, dt.Hour, String.Format ("stage 18.1 RFC1123 UTC {0} {1}", i, ci));
1717                                                 stage = "19";
1718                                                 // This test was fixed from 12:34:56 to
1719                                                 // 01:34:56 since 1078 af-ZA failed
1720                                                 // because of hour interpretation
1721                                                 // difference (af-ZA expects 0).
1722                                                 // (IMHO it is MS BUG though.)
1723                                                 dt = DateTime.Parse ("2003/01/23 12:34:56 GMT");
1724                                                 dt = TimeZone.CurrentTimeZone.ToUniversalTime (dt);
1725                                                 if (i != 1078)
1726                                                         Assert.AreEqual (12, dt.Hour, String.Format ("stage 18.1 RFC1123 UTC {0} {1}", i, ci));
1727                                         }
1728                                 } catch (FormatException ex) {
1729                                         Assert.Fail (String.Format ("stage {3}: Culture {0} {1} failed: {2}", i, ci, ex.Message, stage));
1730                                 }
1731                         }
1732                 }
1733
1734                 [Test]
1735                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
1736                 public void ToFileTime_MinValue ()
1737                 {
1738                         DateTime.FromFileTime (Int64.MinValue);
1739                 }
1740
1741                 [Test]
1742                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
1743                 public void ToFileTime_Negative ()
1744                 {
1745                         DateTime.FromFileTime (-1);
1746                 }
1747
1748                 [Test]
1749                 public void ToFileTime ()
1750                 {
1751                         long u = DateTime.FromFileTimeUtc (0).Ticks;
1752                         Assert.AreEqual (504911232000000000, u, "#A1");
1753                         long max = DateTime.MaxValue.Ticks - 504911232000000000; // w32file_epoch
1754                         Assert.AreEqual (3155378975999999999, DateTime.FromFileTimeUtc (max).Ticks, "#A2");
1755
1756                         long t = DateTime.FromFileTime (0).Ticks;
1757                         Assert.IsTrue (t > (u - TimeSpan.TicksPerDay), "#B1");
1758                         Assert.IsTrue (t < (u + TimeSpan.TicksPerDay), "#B2");
1759                 }
1760
1761                 [Test]
1762                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
1763                 public void ToFileTimeUtc_MinValue ()
1764                 {
1765                         DateTime.FromFileTimeUtc (Int64.MinValue);
1766                 }
1767
1768                 [Test]
1769                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
1770                 public void ToFileTimeUtc_Negative ()
1771                 {
1772                         DateTime.FromFileTimeUtc (-1);
1773                 }
1774
1775                 [Test]
1776                 public void ToFileTimeUtc ()
1777                 {
1778                         // Randomly generated time outside DST.
1779                         var utc = new DateTime (1993, 01, 28, 08, 49, 48, DateTimeKind.Utc);
1780                         var local = utc.ToLocalTime ();
1781                         var unspecified = new DateTime (1993, 01, 28, 08, 49, 48);
1782
1783                         Assert.AreEqual (DateTimeKind.Utc, utc.Kind);
1784                         Assert.AreEqual (DateTimeKind.Local, local.Kind);
1785                         Assert.AreEqual (DateTimeKind.Unspecified, unspecified.Kind);
1786
1787                         Assert.AreEqual (628638077880000000, utc.Ticks);
1788                         Console.WriteLine (local.Ticks - utc.Ticks);
1789
1790                         var offset = TimeZone.CurrentTimeZone.GetUtcOffset (local);
1791
1792                         var utcFt = utc.ToFileTime ();
1793                         var localFt = local.ToFileTime ();
1794                         var unspecifiedFt = unspecified.ToFileTime ();
1795
1796                         var utcUft = utc.ToFileTimeUtc ();
1797                         var localUft = local.ToFileTimeUtc ();
1798                         var unspecifiedUft = unspecified.ToFileTimeUtc ();
1799
1800                         Assert.AreEqual (123726845880000000, utcFt);
1801                         Assert.AreEqual (utcFt, localFt);
1802
1803                         Assert.AreEqual (offset.Ticks, utcFt - unspecifiedFt);
1804
1805                         Assert.AreEqual (utcFt, utcUft);
1806                         Assert.AreEqual (utcFt, localUft);
1807                         Assert.AreEqual (utcFt, unspecifiedUft);
1808                 }
1809
1810                 [Test]
1811                 public void FromFileTimeUtcTest ()
1812                 {
1813                         DateTime dt = DateTime.FromFileTimeUtc (123456);
1814                         Assert.AreEqual (dt.Kind, DateTimeKind.Utc, "#Kind");
1815                         Assert.AreEqual (dt.Ticks, 504911232000123456, "#Ticks");
1816                 }
1817
1818                 [Test]
1819                 public void Milliseconds ()
1820                 {
1821                         DateTime dt = DateTime.Parse ("2004-05-26T03:29:01.1234567-07:00");
1822                         dt = TimeZone.CurrentTimeZone.ToUniversalTime (dt);
1823                         Assert.AreEqual (632211641411234567, dt.Ticks);
1824                 }
1825
1826                 [Test]
1827                 [ExpectedException (typeof (FormatException))]
1828                 public void ParseNotExact ()
1829                 {
1830                         // The error reported is:
1831                         // String was not recognized as valid DateTime
1832                         DateTime dt = DateTime.Parse ("2004-05-26T03:29:01-07:00 foo");
1833                         dt = TimeZone.CurrentTimeZone.ToUniversalTime (dt);
1834                         Assert.AreEqual (632211641410000000, dt.Ticks);
1835                 }
1836
1837                 [Test]
1838                 public void ParseExact_Bug80094 ()
1839                 {
1840                         // we can safely change the curernt culture, as the original value will
1841                         // be restored on TearDown
1842                         Thread.CurrentThread.CurrentCulture = new CultureInfo ("ja-JP");
1843                         string y = string.Format ("{0}-{1}-{2} {3}", DateTime.Now.Year.ToString (),
1844                                 "11", "29", "06:34");
1845                         DateTime date = DateTime.ParseExact (y, "yyyy-MMM-dd hh:mm", null);
1846                         Assert.AreEqual (DateTime.Now.Year, date.Year, "#1");
1847                         Assert.AreEqual (11, date.Month, "#2");
1848                         Assert.AreEqual (29, date.Day, "#3");
1849                         Assert.AreEqual (6, date.Hour, "#4");
1850                         Assert.AreEqual (34, date.Minute, "#5");
1851                         Assert.AreEqual (0, date.Second, "#6");
1852                         Assert.AreEqual (0, date.Millisecond, "#7");
1853                 }
1854
1855                 [Test]
1856                 public void ParseExact_Bug324845 ()
1857                 {
1858                         DateTime ctime = new DateTime (2007, 7, 23, 19, 19, 45);
1859                         ctime = ctime.ToUniversalTime ();
1860                         string instr = ctime.ToString ("yyyyMMddHHmmss");
1861
1862                         DateTime t = DateTime.ParseExact (instr, "yyyyMMddHHmmss", null, DateTimeStyles.AssumeUniversal);
1863                         Assert.AreEqual (2007, t.Year);
1864                         Assert.AreEqual (7, t.Month);
1865                         Assert.AreEqual (23, t.Day);
1866                         Assert.AreEqual (19, t.Hour);
1867                         Assert.AreEqual (19, t.Minute);
1868                         Assert.AreEqual (45, t.Second);
1869
1870                 }
1871
1872                 [Test]
1873                 [ExpectedException (typeof (FormatException))]
1874                 public void ParseExactIsExact()
1875                 {
1876                         DateTime.ParseExact ("2004-05-26T03:29:01-07:00 foo", "yyyy-MM-ddTHH:mm:sszzz", null);
1877                 }
1878
1879                 [Test]
1880                 [ExpectedException (typeof (FormatException))]
1881                 public void ParseExactDoesNotEatZ ()
1882                 {
1883                         DateTime.ParseExact ("2004-05-26T03:29:01", "yyyy-MM-ddTHH:mm:ssZ", null);
1884                 }
1885
1886                 [Test]
1887                 public void ParseExactMilliseconds ()
1888                 {
1889                         DateTime dt = DateTime.ParseExact ("2004-05-26T03:29:01.1234567-07:00", "yyyy-MM-ddTHH:mm:ss.fffffffzzz", null);
1890                         dt = TimeZone.CurrentTimeZone.ToUniversalTime (dt);
1891                         Assert.AreEqual (632211641411234567, dt.Ticks);
1892                 }
1893
1894                 [Test]
1895                 public void NoColonTimeZone ()
1896                 {
1897                         Assert.IsTrue (DateTime.Parse ("2004-05-26T03:29:01-0700").Ticks
1898                                 != DateTime.Parse ("2004-05-26T03:29:01-0800").Ticks);
1899                 }
1900
1901                 [Test]
1902                 public void WithColonTimeZone ()
1903                 {
1904                         Assert.IsTrue (DateTime.Parse ("2004-05-26T03:29:01-07:00").Ticks
1905                                 != DateTime.Parse ("2004-05-26T03:29:01-08:00").Ticks);
1906                 }
1907
1908                 [Test]
1909                 [ExpectedException (typeof (FormatException))]
1910                 public void EmptyFormatPattern ()
1911                 {
1912                         DateTime.ParseExact (String.Empty, String.Empty, null);
1913                 }
1914
1915                 [Test]
1916                 [ExpectedException (typeof (InvalidCastException))]
1917                 public void IConvertible_ToType_Boolean ()
1918                 {
1919                         ((IConvertible)DateTime.Now).ToType (typeof (bool), null);
1920                 }
1921
1922                 [Test]
1923                 [ExpectedException (typeof (InvalidCastException))]
1924                 public void IConvertible_ToType_Byte ()
1925                 {
1926                         ((IConvertible)DateTime.Now).ToType (typeof (byte), null);
1927                 }
1928
1929                 [Test]
1930                 [ExpectedException (typeof (InvalidCastException))]
1931                 public void IConvertible_ToType_Char ()
1932                 {
1933                         ((IConvertible)DateTime.Now).ToType (typeof (char), null);
1934                 }
1935
1936                 [Test]
1937                 public void IConvertible_ToType_DateTime ()
1938                 {
1939                         DateTime dt = DateTime.Now;
1940                         DateTime dt2 = (DateTime) ((IConvertible)dt).ToType (typeof (DateTime), null);
1941                         Assert.IsTrue (dt.Equals (dt2));
1942                 }
1943
1944                 [Test]
1945                 [ExpectedException (typeof (InvalidCastException))]
1946                 public void IConvertible_ToType_DBNull ()
1947                 {
1948                         ((IConvertible)DateTime.Now).ToType (typeof (DBNull), null);
1949                 }
1950
1951                 [Test]
1952                 [ExpectedException (typeof (InvalidCastException))]
1953                 public void IConvertible_ToType_Decimal ()
1954                 {
1955                         ((IConvertible)DateTime.Now).ToType (typeof (decimal), null);
1956                 }
1957
1958                 [Test]
1959                 [ExpectedException (typeof (InvalidCastException))]
1960                 public void IConvertible_ToType_Double ()
1961                 {
1962                         ((IConvertible)DateTime.Now).ToType (typeof (double), null);
1963                 }
1964
1965                 [Test]
1966                 [ExpectedException (typeof (ArgumentNullException))]
1967                 public void IConvertible_ToType_Empty ()
1968                 {
1969                         ((IConvertible)DateTime.Now).ToType (null, null);
1970                 }
1971
1972                 [Test]
1973                 [ExpectedException (typeof (InvalidCastException))]
1974                 public void IConvertible_ToType_Int16 ()
1975                 {
1976                         ((IConvertible)DateTime.Now).ToType (typeof (short), null);
1977                 }
1978
1979                 [Test]
1980                 [ExpectedException (typeof (InvalidCastException))]
1981                 public void IConvertible_ToType_Int32 ()
1982                 {
1983                         ((IConvertible)DateTime.Now).ToType (typeof (int), null);
1984                 }
1985
1986                 [Test]
1987                 [ExpectedException (typeof (InvalidCastException))]
1988                 public void IConvertible_ToType_Int64 ()
1989                 {
1990                         ((IConvertible)DateTime.Now).ToType (typeof (long), null);
1991                 }
1992
1993                 [Test]
1994                 public void IConvertible_ToType_Object ()
1995                 {
1996                         DateTime dt = DateTime.Now;
1997                         object o = ((IConvertible)dt).ToType (typeof (object), null);
1998                         Assert.IsTrue (dt.Equals (o));
1999                 }
2000
2001                 [Test]
2002                 [ExpectedException (typeof (InvalidCastException))]
2003                 public void IConvertible_ToType_SByte ()
2004                 {
2005                         ((IConvertible)DateTime.Now).ToType (typeof (sbyte), null);
2006                 }
2007
2008                 [Test]
2009                 [ExpectedException (typeof (InvalidCastException))]
2010                 public void IConvertible_ToType_Single ()
2011                 {
2012                         ((IConvertible)DateTime.Now).ToType (typeof (float), null);
2013                 }
2014
2015                 [Test]
2016                 public void IConvertible_ToType_String ()
2017                 {
2018                         DateTime dt = DateTime.Now;
2019                         string s = (string) ((IConvertible)dt).ToType (typeof (string), null);
2020                         Assert.AreEqual (s, dt.ToString ());
2021                 }
2022
2023                 [Test]
2024                 [ExpectedException (typeof (InvalidCastException))]
2025                 public void IConvertible_ToType_UInt16 ()
2026                 {
2027                         ((IConvertible)DateTime.Now).ToType (typeof (ushort), null);
2028                 }
2029
2030                 [Test]
2031                 [ExpectedException (typeof (InvalidCastException))]
2032                 public void IConvertible_ToType_UInt32 ()
2033                 {
2034                         ((IConvertible)DateTime.Now).ToType (typeof (uint), null);
2035                 }
2036
2037                 [Test]
2038                 [ExpectedException (typeof (InvalidCastException))]
2039                 public void IConvertible_ToType_UInt64 ()
2040                 {
2041                         ((IConvertible)DateTime.Now).ToType (typeof (ulong), null);
2042                 }
2043
2044                 [Test]
2045                 public void Bug352210 ()
2046                 {
2047                         DateTime dt = DateTime.ParseExact ("2007-06-15T10:30:10.5", "yyyy-MM-ddTHH:mm:ss.f", null);
2048                         Assert.AreEqual (633175002105000000, dt.Ticks, "#1");
2049                         Assert.AreEqual (DateTimeKind.Unspecified, dt.Kind, "#2");
2050                 }
2051
2052                 [Test]
2053                 public void Bug352210_New ()
2054                 {
2055                         long ticksUTC = 633377759060000000;
2056                         long ticksLocal = ticksUTC + TimeZone.CurrentTimeZone.GetUtcOffset (new DateTime (ticksUTC)).Ticks;
2057                         CultureInfo ci = CultureInfo.InvariantCulture;
2058                         DateTime dt;
2059
2060                         // Should return same time with Unspecified kind
2061                         dt = DateTime.ParseExact ("2008-02-05 02:38:26", "yyyy-MM-dd HH:mm:ss", ci);
2062                         Assert.AreEqual (DateTimeKind.Unspecified, dt.Kind, "A1");
2063                         Assert.AreEqual (ticksUTC, dt.Ticks, "A2");
2064
2065                         // Should return same time with Unspecified kind
2066                         dt = DateTime.ParseExact ("2008-02-05 02:38:26Z", "u", ci);
2067                         Assert.AreEqual (DateTimeKind.Unspecified, dt.Kind, "B1");
2068                         Assert.AreEqual (ticksUTC, dt.Ticks, "B2");
2069
2070                         // Should adjust to local time with Local kind
2071                         dt = DateTime.ParseExact ("2008-02-05 00:38:26-02:00", "yyyy-MM-dd HH:mm:ssK", ci);
2072                         Assert.AreEqual (DateTimeKind.Local, dt.Kind, "C1");
2073                         Assert.AreEqual (ticksLocal, dt.Ticks, "C2");
2074
2075                         // Should ignore AssumeUniversal since a timezone specifier is in the format string
2076                         // and return time adjusted to local time with Local kind
2077                         dt = DateTime.ParseExact ("2008-02-05 00:38:26 -2", "yyyy-MM-dd HH:mm:ss z", ci, DateTimeStyles.AssumeUniversal);
2078                         Assert.AreEqual (DateTimeKind.Local, dt.Kind, "D1");
2079                         Assert.AreEqual (ticksLocal, dt.Ticks, "D2");
2080
2081                         try {
2082                                 // GMT in format string can be used to specify time zone
2083                                 dt = DateTime.ParseExact ("2008-02-05 02:38:26 GMT", "yyyy-MM-dd HH:mm:ss GMT", ci);
2084                                 Assert.AreEqual (DateTimeKind.Local, dt.Kind, "E1");
2085                                 Assert.AreEqual (ticksLocal, dt.Ticks, "E2");
2086                         }
2087                         catch {
2088                                 Assert.Fail ("E3");
2089                         }
2090
2091                         try {
2092                                 // Same as above even when surrounded with other characters
2093                                 dt = DateTime.ParseExact ("2008-02-05 02:38:26 qqGMTqq", "yyyy-MM-dd HH:mm:ss qqGMTqq", ci);
2094                                 Assert.AreEqual (DateTimeKind.Local, dt.Kind, "F1");
2095                                 Assert.AreEqual (ticksLocal, dt.Ticks, "F2");
2096                         }
2097                         catch {
2098                                 Assert.Fail ("F3");
2099                         }
2100
2101                         try {
2102                                 // But single quoted GMT in format string should not specify time zone
2103                                 dt = DateTime.ParseExact ("2008-02-05 02:38:26 GMT", "yyyy-MM-dd HH:mm:ss 'GMT'", ci);
2104                                 Assert.AreEqual (DateTimeKind.Unspecified, dt.Kind, "G1");
2105                                 Assert.AreEqual (ticksUTC, dt.Ticks, "G2");
2106                         }
2107                         catch {
2108                                 Assert.Fail ("G3");
2109                         }
2110
2111                         dt = DateTime.Parse ("GMT 2008-02-05 02:38:26", ci);
2112                         Assert.AreEqual (DateTimeKind.Local, dt.Kind, "H1");
2113                         Assert.AreEqual (ticksLocal, dt.Ticks, "H2");
2114                 }
2115
2116                 [Test]
2117                 public void Bug377042 ()
2118                 {
2119                         string [] f = new string [] {
2120                                 "yyyy-MM-ddTHH:mm:ssZ",
2121                                 "yyyy-MM-ddTHH:mm:sszzzz",
2122                                 "yyyy-MM-dd"
2123                                 };
2124                         DateTimeStyles dts = DateTimeStyles.AdjustToUniversal;
2125                         dts |= DateTimeStyles.AssumeUniversal;
2126                         DateTime result = DateTime.ParseExact ("2005-01-01T01:11:11+8:00", f, new DateTimeFormatInfo (), dts);
2127                 }
2128
2129         [Test]
2130         public void TestParseExactXmlTimeFormats()
2131         {
2132             //Xamarin Bug 16742
2133             string[] xmlTimeFormats = {
2134                 "HH:mm:ss", "HH:mm:ss.FFFFFFF",
2135                 "HH:mm:sszzz", "HH:mm:ss.FFFFFFFzzz",
2136                 "HH:mm:ssZ", "HH:mm:ss.FFFFFFFZ"
2137             };
2138             DateTimeStyles style = DateTimeStyles.AllowLeadingWhite | DateTimeStyles.AllowTrailingWhite;
2139
2140             //time local
2141             Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000).Ticks,
2142                 DateTime.ParseExact("13:30:44", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2143             Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000).Ticks,
2144                 DateTime.ParseExact("13:30:44.0", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2145             Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000).Ticks,
2146                 DateTime.ParseExact("13:30:44.00", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2147             Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000).Ticks,
2148                 DateTime.ParseExact("13:30:44.000", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2149             Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000).Ticks,
2150                 DateTime.ParseExact("13:30:44.0000", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2151             Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000).Ticks,
2152                 DateTime.ParseExact("13:30:44.00000", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2153             Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000).Ticks,
2154                 DateTime.ParseExact("13:30:44.000000", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2155             Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000).Ticks,
2156                 DateTime.ParseExact("13:30:44.0000000", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2157             Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 123).Ticks,
2158                 DateTime.ParseExact("13:30:44.123", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2159
2160             //time with zero timezone
2161             Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000, DateTimeKind.Utc).ToLocalTime().Ticks,
2162                 DateTime.ParseExact("13:30:44Z", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2163             Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000, DateTimeKind.Utc).ToLocalTime().Ticks,
2164                 DateTime.ParseExact("13:30:44.0Z", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2165             Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000, DateTimeKind.Utc).ToLocalTime().Ticks,
2166                 DateTime.ParseExact("13:30:44.00Z", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2167             Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000, DateTimeKind.Utc).ToLocalTime().Ticks,
2168                 DateTime.ParseExact("13:30:44.000Z", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2169             Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000, DateTimeKind.Utc).ToLocalTime().Ticks,
2170                 DateTime.ParseExact("13:30:44.0000Z", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2171             Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000, DateTimeKind.Utc).ToLocalTime().Ticks,
2172                 DateTime.ParseExact("13:30:44.00000Z", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2173             Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000, DateTimeKind.Utc).ToLocalTime().Ticks,
2174                 DateTime.ParseExact("13:30:44.000000Z", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2175             Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000, DateTimeKind.Utc).ToLocalTime().Ticks,
2176                 DateTime.ParseExact("13:30:44.0000000Z", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2177             Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 123, DateTimeKind.Utc).ToLocalTime().Ticks,
2178                 DateTime.ParseExact("13:30:44.123Z", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2179
2180             //time with timezone
2181             Assert.AreEqual(new DateTimeOffset(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000, new TimeSpan(13, 0, 0)).ToLocalTime().Ticks,
2182                 DateTime.ParseExact("13:30:44+13:00", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2183             Assert.AreEqual(new DateTimeOffset(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000, new TimeSpan(13, 0, 0)).ToLocalTime().Ticks,
2184                 DateTime.ParseExact("13:30:44.0+13:00", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2185             Assert.AreEqual(new DateTimeOffset(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000, new TimeSpan(13, 0, 0)).ToLocalTime().Ticks,
2186                 DateTime.ParseExact("13:30:44.00+13:00", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2187             Assert.AreEqual(new DateTimeOffset(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000, new TimeSpan(13, 0, 0)).ToLocalTime().Ticks,
2188                 DateTime.ParseExact("13:30:44.000+13:00", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2189             Assert.AreEqual(new DateTimeOffset(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000, new TimeSpan(13, 0, 0)).ToLocalTime().Ticks,
2190                 DateTime.ParseExact("13:30:44.0000+13:00", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2191             Assert.AreEqual(new DateTimeOffset(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000, new TimeSpan(13, 0, 0)).ToLocalTime().Ticks,
2192                 DateTime.ParseExact("13:30:44.00000+13:00", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2193             Assert.AreEqual(new DateTimeOffset(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000, new TimeSpan(13, 0, 0)).ToLocalTime().Ticks,
2194                 DateTime.ParseExact("13:30:44.000000+13:00", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2195             Assert.AreEqual(new DateTimeOffset(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000, new TimeSpan(13, 0, 0)).ToLocalTime().Ticks,
2196                 DateTime.ParseExact("13:30:44.0000000+13:00", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2197             Assert.AreEqual(new DateTimeOffset(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 123, new TimeSpan(13, 0, 0)).ToLocalTime().Ticks,
2198                 DateTime.ParseExact("13:30:44.123+13:00", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2199         }
2200
2201                 [Test]
2202                 [ExpectedException (typeof (FormatException))]
2203                 public void EmptyString ()
2204                 {
2205                         DateTime.Parse ("");
2206                 }
2207
2208                 [Test]
2209                 public void TryEmptyString ()
2210                 {
2211                         DateTime date;
2212                         Assert.IsFalse (DateTime.TryParse ("", out date));
2213                 }
2214
2215                 [Test]
2216                 public void Kind ()
2217                 {
2218                         if (DateTime.Now == DateTime.UtcNow)
2219                                 Assert.Ignore (); // This test does not make sense.
2220                         if (TimeZone.CurrentTimeZone.GetUtcOffset (DateTime.UtcNow)
2221                                 != TimeZone.CurrentTimeZone.GetUtcOffset (DateTime.Now))
2222                                 Assert.Ignore (); // In this case it does not satisfy the test premises.
2223
2224                         Assert.AreEqual (DateTimeKind.Local, DateTime.Now.Kind, "#A1");
2225                         Assert.AreEqual (DateTimeKind.Local, DateTime.Today.Kind, "#A2");
2226
2227                         DateTime utc = DateTime.UtcNow;
2228                         DateTime now = new DateTime (utc.Ticks + TimeZone.
2229                                 CurrentTimeZone.GetUtcOffset (utc).Ticks, DateTimeKind.Local);
2230                         DateTime utctouniv = utc.ToUniversalTime ();
2231                         DateTime nowtouniv = now.ToUniversalTime ();
2232                         DateTime utctoloc = utc.ToLocalTime ();
2233                         DateTime nowtoloc = now.ToLocalTime ();
2234
2235                         Assert.AreEqual (DateTimeKind.Utc, utc.Kind, "#B1");
2236                         Assert.AreEqual (DateTimeKind.Local, now.Kind, "#B2");
2237                         Assert.AreEqual (DateTimeKind.Utc, utctouniv.Kind, "#B3");
2238                         Assert.AreEqual (DateTimeKind.Utc, nowtouniv.Kind, "#B4");
2239                         Assert.AreEqual (DateTimeKind.Local, utctoloc.Kind, "#B5");
2240                         Assert.AreEqual (DateTimeKind.Local, nowtoloc.Kind, "#B6");
2241                         Assert.AreEqual (utc, utctouniv, "#B7");
2242                         Assert.AreEqual (utc, nowtouniv, "#B8");
2243                         Assert.AreEqual (now, nowtoloc, "#B9");
2244                         Assert.AreEqual (now, utctoloc, "#B10");
2245                 }
2246
2247                 [Test]
2248                 public void InstanceMembersAndKind ()
2249                 {
2250                         Assert.AreEqual (DateTimeKind.Utc, DateTime.UtcNow.Date.Kind, "#1");
2251                         Assert.AreEqual (DateTimeKind.Utc, DateTime.UtcNow.Add (TimeSpan.FromMinutes (1)).Kind, "#2");
2252                         Assert.AreEqual (DateTimeKind.Utc, DateTime.UtcNow.Subtract (TimeSpan.FromMinutes (1)).Kind, "#3");
2253                         Assert.AreEqual (DateTimeKind.Utc, DateTime.UtcNow.AddDays (1).Kind, "#4");
2254                         Assert.AreEqual (DateTimeKind.Utc, DateTime.UtcNow.AddTicks (1).Kind, "#5");
2255                         Assert.AreEqual (DateTimeKind.Utc, DateTime.UtcNow.AddHours (1).Kind, "#6");
2256                         Assert.AreEqual (DateTimeKind.Utc, DateTime.UtcNow.AddMinutes (1).Kind, "#7");
2257                         Assert.AreEqual (DateTimeKind.Utc, DateTime.UtcNow.AddSeconds (1).Kind, "#8");
2258                         Assert.AreEqual (DateTimeKind.Utc, DateTime.UtcNow.AddMilliseconds (1).Kind, "#9");
2259                         Assert.AreEqual (DateTimeKind.Utc, DateTime.UtcNow.AddMonths (1).Kind, "#10");
2260                         Assert.AreEqual (DateTimeKind.Utc, DateTime.UtcNow.AddYears (1).Kind, "#11");
2261                         Assert.AreEqual (DateTimeKind.Utc, (DateTime.UtcNow + TimeSpan.FromMinutes (1)).Kind, "#12");
2262                         Assert.AreEqual (DateTimeKind.Utc, (DateTime.UtcNow - TimeSpan.FromMinutes (1)).Kind, "#13");
2263                 }
2264
2265                 [Test]
2266                 public void CompareTicks ()
2267                 {
2268                         // Only ticks are compared, not kind.
2269                         var d = new DateTime (0, DateTimeKind.Utc);
2270                         var f = new DateTime (0);
2271
2272                         Assert.AreEqual (d == f, true, "#1");
2273                 }
2274
2275                 [Test]
2276                 public void FromBinary ()
2277                 {
2278                         DateTime dt_utc = DateTime.FromBinary (0x4000000000000001);
2279                         Assert.AreEqual (DateTimeKind.Utc, dt_utc.Kind, "#1");
2280                         Assert.AreEqual (1, dt_utc.Ticks, "#2");
2281
2282                         DateTime dt_local = DateTime.FromBinary (unchecked ((long) 0x8000000000000001));
2283                         Assert.AreEqual (DateTimeKind.Local, dt_local.Kind, "#3");
2284
2285                         DateTime dt_unspecified = DateTime.FromBinary (0x0000000000000001);
2286                         Assert.AreEqual (DateTimeKind.Unspecified, dt_unspecified.Kind, "#4");
2287                         Assert.AreEqual (1, dt_unspecified.Ticks, "#5");
2288
2289                         DateTime dt_local2 = DateTime.FromBinary (unchecked ((long) 0xC000000000000001));
2290                         Assert.AreEqual (DateTimeKind.Local, dt_local2.Kind, "#6");
2291                         Assert.AreEqual (dt_local.Ticks, dt_local2.Ticks, "#7");
2292                 }
2293
2294                 [Test]
2295                 public void ToBinary ()
2296                 {
2297                         DateTime dt_local = new DateTime (1, DateTimeKind.Local);
2298                         Assert.AreEqual (1, (ulong) dt_local.ToBinary () >> 63, "#1");
2299                         Assert.AreEqual (1, dt_local.Ticks, "#2");
2300
2301                         DateTime dt_utc = new DateTime (1, DateTimeKind.Utc);
2302                         Assert.AreEqual (0x4000000000000001, dt_utc.ToBinary (), "#3");
2303                         Assert.AreEqual (1, dt_utc.Ticks, "#4");
2304
2305                         DateTime dt_unspecified = new DateTime (1, DateTimeKind.Unspecified);
2306                         Assert.AreEqual (1, dt_unspecified.ToBinary (), "#5");
2307                         Assert.AreEqual (1, dt_unspecified.Ticks, "#6");
2308                 }
2309
2310                 [Test]
2311                 public void RoundtripBinary ()
2312                 {
2313                         DateTime dt = DateTime.Now;
2314                         DateTime dt2 = DateTime.SpecifyKind (dt, DateTimeKind.Utc);
2315                         DateTime dt3 = DateTime.SpecifyKind (dt, DateTimeKind.Unspecified);
2316                         Assert.AreEqual (dt, DateTime.FromBinary (dt.ToBinary ()), "#1");
2317                         Assert.AreEqual (dt2, DateTime.FromBinary (dt2.ToBinary ()), "#2");
2318                         Assert.AreEqual (dt3, DateTime.FromBinary (dt3.ToBinary ()), "#3");
2319                         Assert.AreEqual (DateTimeKind.Local, DateTime.FromBinary (dt.ToBinary ()).Kind, "#4");
2320                         Assert.AreEqual (DateTimeKind.Utc, DateTime.FromBinary (dt2.ToBinary ()).Kind, "#5");
2321                         Assert.AreEqual (DateTimeKind.Unspecified, DateTime.FromBinary (dt3.ToBinary ()).Kind, "#6");
2322
2323                         Assert.AreEqual (TimeZone.CurrentTimeZone.GetUtcOffset (dt).Ticks, dt3.ToBinary () - (dt.ToBinary () & 0x7FFFFFFFFFFFFFFF), "#7");
2324                 }
2325
2326                 [Test]
2327                 public void TestMin ()
2328                 {
2329                         // This should never throw.
2330                         DateTime.MinValue.ToLocalTime ();
2331                 }
2332
2333                 [Test]
2334                 public void OmittedSecondsFraction ()
2335                 {
2336                         DateTime today = DateTime.Today;
2337                         Assert.AreEqual ("00:00:00.13579", today.AddTicks (1357900).ToString ("HH:mm:ss.FFFFFFF"), "#1");
2338                         DateTime dt = DateTime.ParseExact ("00:00:00.13579", "HH:mm:ss.FFFFFFF", CultureInfo.InvariantCulture);
2339                         Assert.AreEqual (today, dt.AddTicks (-1357900), "#2");
2340                         // it's more than strange ...
2341                         Assert.AreEqual (String.Empty, today.ToString (".FFFFFFF"), "#3");
2342                         Assert.AreEqual ("$", today.ToString ("$FFFFFFF"), "#4");
2343                 }
2344
2345                 [Test]
2346                 public void KindInPattern ()
2347                 {
2348                         // only 2.0 supports 'K'
2349                         Assert.AreEqual ("00:00:00", new DateTime (2000, 1, 1).ToString ("HH:mm:ssK"), "#1");
2350                         Assert.AreEqual ('Z', DateTime.Today.ToUniversalTime ().ToString ("HH:mm:ssK") [8], "#2");
2351                         Assert.AreEqual ("00:00:00+09:00".Length, DateTime.Today.ToString ("HH:mm:ssK").Length, "#3");
2352                 }
2353
2354                 [Test]
2355                 public void RoundtripPattern ()
2356                 {
2357                         // only 2.0 supports 'o'
2358                         Assert.AreEqual ("2000-01-01T00:00:00.0000000", new DateTime (2000, 1, 1).ToString ("o"), "#1");
2359                         Assert.AreEqual ("2000-01-01T00:00:00.0000000Z", DateTime.SpecifyKind (new DateTime (2000, 1, 1), DateTimeKind.Utc).ToString ("o"), "#2");
2360                         Assert.AreEqual ("2000-01-01T00:00:00.0000000+09:00".Length, DateTime.SpecifyKind (
2361                                 new DateTime (2000, 1, 1), DateTimeKind.Local).ToString ("o").Length, "#3");
2362
2363                         var culture = new CultureInfo ("ps-AF");
2364                         Assert.AreEqual ("1976-06-19T00:00:00.0000000", new DateTime(1976, 6, 19).ToString ("O", culture), "#4");
2365                         Assert.AreEqual ("1976-06-19T00:00:00.0000000", new DateTime(1976, 6, 19).ToString ("o", culture), "#5");
2366                 }
2367
2368                 [Test]
2369                 public void KindPattern ()
2370                 {
2371                         // no matter how the format string contains 'K' and the
2372                         // output string contains kind information, it does not
2373                         // assure that the string is parsed as roundtrip kind.
2374
2375                         // only 2.0 supports 'K'
2376                         string format = "yyyy-MM-dd'T'HH:mm:ss.fffK";
2377                         CultureInfo ci = CultureInfo.CurrentCulture;
2378                         DateTime dt = DateTime.SpecifyKind (new DateTime (2007, 11, 1, 2, 30, 45), DateTimeKind.Utc);
2379                         string s = dt.ToString (format);
2380                         DateTime d1 = DateTime.ParseExact (s, format, ci); // d1 is parsed as a local time.
2381                         Assert.AreEqual (dt.Ticks, d1.ToUniversalTime ().Ticks, "#1");
2382                         // .NET expects Local here, while s ends with 'Z' and should be parsed as UTC.
2383                         Assert.AreEqual (DateTimeKind.Local, d1.Kind, "#2");
2384
2385                         format = "yyyy-MM-dd'T'HH:mm:ssK";
2386                         ci = CultureInfo.CurrentCulture;
2387                         dt = new DateTime (2007, 11, 1, 2, 30, 45);
2388                         s = dt.ToString (format);
2389                         d1 = DateTime.ParseExact (s, format, ci);
2390                         Assert.AreEqual (dt.Ticks, d1.Ticks, "#3");
2391                         Assert.AreEqual (DateTimeKind.Unspecified, d1.Kind, "#4");
2392                 }
2393
2394                 [Test]
2395                 public void TestRoundTrip () {
2396                         DateTime result;
2397                         DateTimeStyles roundTripStyle = DateTimeStyles.RoundtripKind;
2398                         string utcDate = "2008-02-21T11:14:18.2721262Z";
2399                         string localDate = "2008-02-21T11:14:18.2721262+02:00";
2400                         string unspec = "2008-02-21T11:14:18.2721262";
2401                         String [] formats = {"yyyy-MM-ddTHH:mm:ssK", "yyyy-MM-ddTHH:mm:ss.FFFFFFFK"};
2402
2403                         result = DateTime.ParseExact (localDate, formats, CultureInfo.InvariantCulture, roundTripStyle);
2404                         Assert.AreEqual (result.Kind, DateTimeKind.Local);
2405                         Assert.AreEqual (result.ToUniversalTime ().Ticks, 633391820582721262);
2406
2407                         result = DateTime.ParseExact (unspec, formats, CultureInfo.InvariantCulture, roundTripStyle);
2408                         Assert.AreEqual (result.Kind, DateTimeKind.Unspecified);
2409                         Assert.AreEqual (result.Ticks, 633391892582721262);
2410
2411                         result = DateTime.ParseExact (utcDate, formats, CultureInfo.InvariantCulture, roundTripStyle);
2412                         Assert.AreEqual (result.Kind, DateTimeKind.Utc);
2413                         Assert.AreEqual (result.Ticks, 633391892582721262);
2414
2415                 }
2416
2417                 [Test]
2418                 public void TestRegularStyle () {
2419                         DateTime result;
2420                         DateTimeStyles style = DateTimeStyles.AllowLeadingWhite | DateTimeStyles.AllowTrailingWhite;
2421                         string utcDate = "2008-02-21T11:14:18.2721262Z";
2422                         string localDate = "2008-02-21T11:14:18.2721262+02:00";
2423                         string unspec = "2008-02-21T11:14:18.2721262";
2424                         String [] formats = {"yyyy-MM-ddTHH:mm:ssK", "yyyy-MM-ddTHH:mm:ss.FFFFFFFK"};
2425
2426                         result = DateTime.ParseExact (localDate, formats, CultureInfo.InvariantCulture, style);
2427                         Assert.AreEqual (result.Kind, DateTimeKind.Local);
2428                         Assert.AreEqual (result.ToUniversalTime ().Ticks, 633391820582721262);
2429
2430                         result = DateTime.ParseExact (unspec, formats, CultureInfo.InvariantCulture, style);
2431                         Assert.AreEqual (result.Kind, DateTimeKind.Unspecified);
2432                         Assert.AreEqual (result.Ticks, 633391892582721262);
2433
2434                         result = DateTime.ParseExact (utcDate, formats, CultureInfo.InvariantCulture, style);
2435                         Assert.AreEqual (result.Kind, DateTimeKind.Local);
2436                         Assert.AreEqual (result.ToUniversalTime ().Ticks, 633391892582721262);
2437                 }
2438
2439                 [Test]
2440                 public void TestAssumeLocal () {
2441                         DateTime result;
2442                         DateTimeStyles assumeLocal =  DateTimeStyles.AssumeLocal;
2443                         string utcDate = "2008-02-21T11:14:18.2721262Z";
2444                         string localDate = "2008-02-21T11:14:18.2721262+02:00";
2445                         string unspec = "2008-02-21T11:14:18.2721262";
2446                         String [] formats = {"yyyy-MM-ddTHH:mm:ssK", "yyyy-MM-ddTHH:mm:ss.FFFFFFFK"};
2447
2448                         result = DateTime.ParseExact (localDate, formats, CultureInfo.InvariantCulture, assumeLocal);
2449                         Assert.AreEqual (result.Kind, DateTimeKind.Local);
2450                         Assert.AreEqual (result.ToUniversalTime ().Ticks, 633391820582721262);
2451
2452                         result = DateTime.ParseExact (unspec, formats, CultureInfo.InvariantCulture, assumeLocal);
2453                         Assert.AreEqual (result.Kind, DateTimeKind.Local);
2454                         Assert.AreEqual (result.Ticks, 633391892582721262);
2455
2456                         result = DateTime.ParseExact (utcDate, formats, CultureInfo.InvariantCulture, assumeLocal);
2457                         Assert.AreEqual (result.Kind, DateTimeKind.Local);
2458                         Assert.AreEqual (result.ToUniversalTime ().Ticks, 633391892582721262);
2459                 }
2460
2461                 [Test]
2462                 [ExpectedException (typeof (ArgumentException))]
2463                 public void IllegalStyleCombination1()
2464                 {
2465                         DateTimeStyles illegal = DateTimeStyles.RoundtripKind | DateTimeStyles.AssumeLocal;
2466                         DateTime.ParseExact ("", "", null, illegal);
2467                 }
2468
2469                 [Test]
2470                 [ExpectedException (typeof (ArgumentException))]
2471                 public void IllegalStyleCombination2()
2472                 {
2473                         DateTimeStyles illegal = DateTimeStyles.RoundtripKind | DateTimeStyles.AdjustToUniversal;
2474                         DateTime.ParseExact ("", "", null, illegal);
2475                 }
2476
2477                 [Test]
2478                 [ExpectedException (typeof (ArgumentException))]
2479                 public void IllegalStyleCombination3()
2480                 {
2481                         DateTimeStyles illegal = DateTimeStyles.RoundtripKind | DateTimeStyles.AssumeUniversal;
2482                         DateTime.ParseExact ("", "", null, illegal);
2483                 }
2484
2485                 [Test]
2486                 [ExpectedException (typeof (ArgumentException))]
2487                 public void IllegalStyleCombination4()
2488                 {
2489                         DateTimeStyles illegal = DateTimeStyles.AssumeLocal | DateTimeStyles.AssumeUniversal;
2490                         DateTime.ParseExact ("", "", null, illegal);
2491                 }
2492
2493                 [Test]
2494                 [ExpectedException (typeof (FormatException))]
2495                 public void TrailingDot ()
2496                 {
2497                         DateTime.ParseExact ("12:00:00", "HH:mm:ss.", null);
2498                 }
2499
2500                 [Test]
2501                 public void TrailingFlexibleMilliseconds ()
2502                 {
2503                         // bug #444103.
2504                         DateTime.ParseExact ("12:00:00", "HH:mm:ss.FFFFFFF", null);
2505                 }
2506
2507                 [Test]
2508                 public void TryParseExact_NullString ()
2509                 {
2510                         DateTime dt;
2511                         DateTime.TryParseExact(null, "yyyy'-'MM'-'dd'T'HH':'mm':'ss'Z'", CultureInfo.InvariantCulture,
2512                                                DateTimeStyles.AssumeUniversal | DateTimeStyles.AdjustToUniversal, out dt);
2513                         Assert.AreEqual(default(DateTime), dt);
2514                 }
2515
2516                 [Test]
2517                 public void MSAndZ ()
2518                 {
2519                         CultureInfo cultureInfo = CultureInfo.GetCultureInfo ("en-US");
2520                         DateTime dt;
2521                         if (!DateTime.TryParse ("2009.02.24T13:57:07.000 -0800", cultureInfo.DateTimeFormat,
2522                                                 DateTimeStyles.None, out dt))
2523                                 Assert.Fail ("Failed");
2524                 }
2525
2526                 [Test]
2527                 public void Parse_InvalidShortDate ()
2528                 {
2529                         DateTime expected = new DateTime (2011, 03, 22, 07, 32, 00, DateTimeKind.Utc).ToLocalTime();
2530                         DateTime expected2 = new DateTime (2011, 03, 22, 08, 32, 00, DateTimeKind.Utc);
2531
2532                         string [] cultures = new string [] {"es-ES", "en-US", "en-GB", "de-DE", "fr-FR"
2533                                 ,"es", "en", "de", "fr"
2534                                 };
2535
2536                         foreach (string culture in cultures) {
2537                                 CultureInfo ci = new CultureInfo (culture);
2538                                 ci.DateTimeFormat.ShortDatePattern = "d";
2539
2540                                 Assert.AreEqual (expected,  DateTime.Parse ("2011-03-22 08:32:00+01:00", ci, DateTimeStyles.RoundtripKind), "#a01 - " + culture);
2541                                 Assert.AreEqual (expected,  DateTime.Parse ("2011/03/22 08:32:00+01:00", ci, DateTimeStyles.RoundtripKind), "#a02 - " + culture);
2542                                 Assert.AreEqual (expected2, DateTime.Parse ("2011-03-22T08:32:00", ci, DateTimeStyles.RoundtripKind), "#a03 - " + culture);
2543                                 Assert.AreEqual (expected2, DateTime.Parse ("2011/03/22T08:32:00", ci, DateTimeStyles.RoundtripKind), "#a04 - " + culture);
2544                                 Assert.AreEqual (expected2, DateTime.Parse ("03/2011/22T08:32:00", ci, DateTimeStyles.RoundtripKind), "#a05 - " + culture);
2545                                 Assert.AreEqual (expected2, DateTime.Parse ("03-2011-22T08:32:00", ci, DateTimeStyles.RoundtripKind), "#a06 - " + culture);
2546                                 Assert.AreEqual (expected,  DateTime.Parse ("03/2011/22 08:32:00+01:00", ci, DateTimeStyles.RoundtripKind), "#a07 - " + culture);
2547                                 ci.DateTimeFormat.DateSeparator = "%";
2548                                 Assert.AreEqual (expected,  DateTime.Parse ("2011-03-22 08:32:00+01:00", ci, DateTimeStyles.RoundtripKind), "#b01 - " + culture);
2549                                 Assert.AreEqual (expected,  DateTime.Parse ("2011/03/22 08:32:00+01:00", ci, DateTimeStyles.RoundtripKind), "#b02 - " + culture);
2550                                 Assert.AreEqual (expected2, DateTime.Parse ("2011-03-22T08:32:00", ci, DateTimeStyles.RoundtripKind), "#b03 - " + culture);
2551                                 Assert.AreEqual (expected2, DateTime.Parse ("2011/03/22T08:32:00", ci, DateTimeStyles.RoundtripKind), "#b04 - " + culture);
2552                                 Assert.AreEqual (expected2, DateTime.Parse ("03/2011/22T08:32:00", ci, DateTimeStyles.RoundtripKind), "#b05 - " + culture);
2553                                 Assert.AreEqual (expected2, DateTime.Parse ("03-2011-22T08:32:00", ci, DateTimeStyles.RoundtripKind), "#b06 - " + culture);
2554                                 Assert.AreEqual (expected,  DateTime.Parse ("03/2011/22 08:32:00+01:00", ci, DateTimeStyles.RoundtripKind), "#b07 - " + culture);
2555                         }
2556                 }
2557
2558                 // Bug 3392
2559                 [Test]
2560                 public void Parse_DateWithTimeZone_TimeZoneShouldBeCorrectlyRead ()
2561                 {
2562                         string testDateWithTimeZoneInfo  = "2012-01-14T15:09:42.692875+03:00";
2563                         long expectedUtcTics = 634621397826928750;
2564
2565                         DateTimeOffset result = DateTimeOffset.Parse (testDateWithTimeZoneInfo, null, DateTimeStyles.RoundtripKind);
2566
2567                         Assert.AreEqual (expectedUtcTics, result.UtcTicks);
2568                 }
2569
2570                 [Test]
2571                 public void GenitiveMonth ()
2572                 {
2573                         var ci = new CultureInfo ("ru-RU");
2574                         var dt = new DateTime (2012, 9, 15);
2575                         Assert.AreEqual ("15 сентября", dt.ToString ("m", ci));
2576                 }
2577
2578                 [Test]
2579                 public void Parse_ThaiCalendar ()
2580                 {
2581                         var culture = CultureInfo.GetCultureInfo ("th-TH");
2582                         Assert.IsTrue (culture.Calendar is ThaiBuddhistCalendar);
2583                         var dt = DateTime.Now.Date;
2584                         var s = dt.ToString (culture);
2585                         var parsed = DateTime.Parse (s, culture);
2586
2587                         Assert.AreEqual (dt, parsed, "#1");
2588                 }
2589
2590                 [Test]
2591                 public void ISO8601FractionalDigits ()
2592                 {
2593                         string date = "2014-08-25T01:20:23.601911612343423423465789789365674575676746756747467Z";
2594                         long expectedTicks = 635445264236019116;
2595
2596                         var dt = DateTime.Parse (date, CultureInfo.InvariantCulture, DateTimeStyles.RoundtripKind);
2597
2598                         Assert.AreEqual (expectedTicks, dt.Ticks);
2599                 }
2600
2601                 [Test]
2602                 [ExpectedException (typeof (FormatException))]
2603                 public void ISO8601FractionalDigitsException1 ()
2604                 {
2605                         string date = "2014-08-25T01:20:23.60191161234342342346578978936567457567:6746756747467Z";
2606                         DateTime.Parse (date, CultureInfo.InvariantCulture, DateTimeStyles.RoundtripKind);
2607                 }
2608
2609                 [Test]
2610                 [ExpectedException (typeof (FormatException))]
2611                 public void ISO8601FractionalDigitsException2 ()
2612                 {
2613                         string date = "2014-08-25T01:20:23.6019116-12343423423465789789365674575676746756747467Z";
2614                         DateTime.Parse (date, CultureInfo.InvariantCulture, DateTimeStyles.RoundtripKind);
2615                 }
2616
2617                 [Test]
2618                 [ExpectedException (typeof (FormatException))]
2619                 public void ISO8601FractionalDigitsException3 ()
2620                 {
2621                         string date = "2014-08-25T01:20:23.601911612343423423465789789365674575676746756747467%Z";
2622                         DateTime.Parse (date, CultureInfo.InvariantCulture, DateTimeStyles.RoundtripKind);
2623                 }
2624
2625                 [Test]
2626                 public void Year_2 ()
2627                 {
2628                         var res = DateTime.Parse ("12-002", CultureInfo.InvariantCulture, DateTimeStyles.AllowWhiteSpaces | DateTimeStyles.RoundtripKind);
2629                         Assert.AreEqual (2, res.Year, "#1");
2630                         Assert.AreEqual (12, res.Month, "#2");
2631                 }
2632         }
2633 }