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                 public void AddHoursOutOfRangeException1 ()
 236                 {
 237                         DateTime t1 = new DateTime (myTicks [1]);
 238                         t1.AddHours (9E100);
 239                 }
 240
 241                 [Test]
 242                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
 243                 public void AddHoursOutOfRangeException2 ()
 244                 {
 245                         DateTime t1 = new DateTime (myTicks [1]);
 246                         t1.AddHours (-9E100);
 247                 }
 248
 249                 [Test]
 250                 public void AddMilliseconds ()
 251                 {
 252                         DateTime t1 = new DateTime (myTicks [1]);
 253                         t1 = t1.AddMilliseconds (1E10);
 254                         Assert.AreEqual (21, t1.Day, "#A1");
 255                         Assert.AreEqual (9, t1.Hour, "#A2");
 256                         Assert.AreEqual (11, t1.Minute, "#A3");
 257                         Assert.AreEqual (53, t1.Second, "#A4");
 258
 259                         t1 = t1.AddMilliseconds (-19E10);
 260                         Assert.AreEqual (13, t1.Day, "#B1");
 261                         Assert.AreEqual (7, t1.Hour, "#B2");
 262                         Assert.AreEqual (25, t1.Minute, "#B3");
 263                         Assert.AreEqual (13, t1.Second, "#B4");
 264
 265                         t1 = t1.AddMilliseconds (15.623);
 266                         Assert.AreEqual (13, t1.Day, "#C1");
 267                         Assert.AreEqual (7, t1.Hour, "#C2");
 268                         Assert.AreEqual (25, t1.Minute, "#C3");
 269                         Assert.AreEqual (13, t1.Second, "#C4");
 270                 }
 271
 272                 [Test]
 273                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
 274                 public void AddMillisecondsOutOfRangeException1 ()
 275                 {
 276                         DateTime t1 = new DateTime (myTicks [1]);
 277                         t1.AddMilliseconds (9E100);
 278                 }
 279
 280                 [Test]
 281                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
 282                 public void AddMillisecondsOutOfRangeException2 ()
 283                 {
 284                         DateTime t1 = new DateTime (myTicks [1]);
 285                         t1.AddMilliseconds (-9E100);
 286                 }
 287
 288                 [Test]
 289                 public void TestToString ()
 290                 {
 291                         DateTime t1 = new DateTime (myTicks[2]);
 292                         DateTime t2 = new DateTime (myTicks[1]);
 293                         DateTime t3 = new DateTime (999, 1, 2, 3, 4, 5);
 294                         // Standard patterns
 295                         Assert.AreEqual ("02/25/2002", t1.ToString ("d"), "#A1");
 296                         Assert.AreEqual ("Monday, 25 February 2002", t1.ToString ("D"), "#A2");
 297                         Assert.AreEqual ("Monday, 25 February 2002 05:25", t1.ToString ("f"), "#A3");
 298                         Assert.AreEqual ("Monday, 25 February 2002 05:25:13", t1.ToString ("F"), "#A4");
 299                         Assert.AreEqual ("02/25/2002 05:25", t1.ToString ("g"), "#A5");
 300                         Assert.AreEqual ("02/25/2002 05:25:13", t1.ToString ("G"), "#A6");
 301                         Assert.AreEqual ("February 25", t1.ToString ("m"), "#A7");
 302                         Assert.AreEqual ("February 25", t1.ToString ("M"), "#A8");
 303                         Assert.AreEqual ("Mon, 25 Feb 2002 05:25:13 GMT", t1.ToString ("r"), "#A9");
 304                         Assert.AreEqual ("Mon, 25 Feb 2002 05:25:13 GMT", t1.ToString ("R"), "#A10");
 305                         Assert.AreEqual ("2002-02-25T05:25:13", t1.ToString ("s"), "#A11");
 306                         Assert.AreEqual ("05:25", t1.ToString ("t"), "#A12");
 307                         Assert.AreEqual ("05:25:13", t1.ToString ("T"), "#A13");
 308                         Assert.AreEqual ("2002-02-25 05:25:13Z", t1.ToString ("u"), "#A14");
 309                         // FIXME: this test is timezone dependent
 310                         // Assert.AreEqual ("Sunday, 24 February 2002 11:25:13", t1.ToString ("U"), "#A15");
 311                         Assert.AreEqual ("2002 February", t1.ToString ("y"), "#A16");
 312                         Assert.AreEqual ("2002 February", t1.ToString ("Y"), "#A17");
 313                         Assert.AreEqual ("02/25/2002 05:25:13", t1.ToString (""), "#A18");
 314
 315                         // Custom patterns
 316                         Assert.AreEqual ("25", t1.ToString ("%d"), "#B1");
 317                         Assert.AreEqual ("25", t1.ToString ("dd"), "#B2");
 318                         Assert.AreEqual ("Mon", t1.ToString ("ddd"), "#B3");
 319                         Assert.AreEqual ("Monday", t1.ToString ("dddd"), "#B4");
 320                         Assert.AreEqual ("2", t1.ToString ("%M"), "#B5");
 321                         Assert.AreEqual ("02", t1.ToString ("MM"), "#B6");
 322                         Assert.AreEqual ("Feb", t1.ToString ("MMM"), "#B7");
 323                         Assert.AreEqual ("February", t1.ToString ("MMMM"), "#B8");
 324                         Assert.AreEqual ("2", t1.ToString ("%y"), "#B9");
 325                         Assert.AreEqual ("02", t1.ToString ("yy"), "#B10");
 326                         Assert.AreEqual ("2002", t1.ToString ("yyyy"), "#B11");
 327                         Assert.AreEqual ("5", t1.ToString ("%h"), "#B12");
 328                         Assert.AreEqual ("05", t1.ToString ("hh"), "#B13");
 329                         Assert.AreEqual ("3", t2.ToString ("%h"), "#B14");
 330                         Assert.AreEqual ("03", t2.ToString ("hh"), "#B15");
 331                         Assert.AreEqual ("15", t2.ToString ("%H"), "#B16");
 332                         Assert.AreEqual ("15", t2.ToString ("HH"), "#B17");
 333                         Assert.AreEqual ("25", t2.ToString ("%m"), "#B18");
 334                         Assert.AreEqual ("25", t2.ToString ("mm"), "#B19");
 335                         Assert.AreEqual ("13", t2.ToString ("%s"), "#B20");
 336                         Assert.AreEqual ("13", t2.ToString ("ss"), "#B21");
 337                         Assert.AreEqual ("A", t1.ToString ("%t"), "#B22");
 338                         Assert.AreEqual ("P", t2.ToString ("%t"), "#B23");
 339                         Assert.AreEqual ("AM", t1.ToString ("tt"), "#B24");
 340                         Assert.AreEqual ("PM", t2.ToString ("tt"), "#B25");
 341                         long offset = TimeZone.CurrentTimeZone.GetUtcOffset(t1).Ticks / 36000000000;
 342                         // Must specify '+0' for GMT
 343                         Assert.AreEqual (offset.ToString ("+#;-#;+0"), t1.ToString ("%z"), "#B26");
 344                         Assert.AreEqual (offset.ToString ("+00;-00;+00"), t1.ToString ("zz"), "#B28");
 345                         // This does not work in, eg banglore, because their timezone has an offset of
 346                         // +05:30
 347                         //Assert.AreEqual (offset.ToString("+00;-00;00") + ":00", t1.ToString ("zzz"), "#B28");
 348                         Assert.AreEqual (" : ", t1.ToString (" : "), "#B29");
 349                         Assert.AreEqual (" / ", t1.ToString (" / "), "#B30");
 350                         Assert.AreEqual (" yyy ", t1.ToString (" 'yyy' "), "#B31");
 351                         Assert.AreEqual (" d", t1.ToString (" \\d"), "#B32");
 352                         Assert.AreEqual ("2002", t1.ToString ("yyy"), "#B33");
 353                         Assert.AreEqual ("0002002", t1.ToString ("yyyyyyy"), "#B34");
 354                         Assert.AreEqual ("999", t3.ToString ("yyy"), "#B33");
 355                         Assert.AreEqual ("0999", t3.ToString ("yyyy"), "#B33");
 356                 }
 357
 358                 [Test]
 359                 public void TestToStringGenitive ()
 360                 {
 361                         DateTime dt = new DateTime (2010, 1, 2, 3, 4, 5);
 362                         var dtf = new CultureInfo ("cs-cz").DateTimeFormat;
 363
 364                         Assert.AreEqual ("2 ledna", dt.ToString ("d MMMM", dtf), "#A1");
 365                         Assert.AreEqual ("2. ledna", dt.ToString ("d. MMMM", dtf), "#A2");
 366                         Assert.AreEqual ("leden", dt.ToString ("MMMM", dtf), "#A4");
 367                         Assert.AreEqual ("leden", dt.ToString ("MMMMMMM", dtf), "#A5");
 368                 }
 369
 370                 [Test]
 371                 public void ParseExact_Format_Empty ()
 372                 {
 373                         try {
 374                                 DateTime.ParseExact ("2002-02-25 04:25:13Z", string.Empty, null);
 375                                 Assert.Fail ("#A1");
 376                         } catch (FormatException ex) {
 377                                 // Format specifier was invalid
 378                                 Assert.AreEqual (typeof (FormatException), ex.GetType (), "#B2");
 379                                 Assert.IsNull (ex.InnerException, "#B3");
 380                                 Assert.IsNotNull (ex.Message, "#B4");
 381                         }
 382
 383                         try {
 384                                 DateTime.ParseExact ("2002-02-25 04:25:13Z", string.Empty, null,
 385                                         DateTimeStyles.None);
 386                                 Assert.Fail ("#B1");
 387                         } catch (FormatException ex) {
 388                                 // Format specifier was invalid
 389                                 Assert.AreEqual (typeof (FormatException), ex.GetType (), "#B2");
 390                                 Assert.IsNull (ex.InnerException, "#B3");
 391                                 Assert.IsNotNull (ex.Message, "#B4");
 392                         }
 393                 }
 394
 395                 [Test]
 396                 public void ParseExact_Format_Null ()
 397                 {
 398                         try {
 399                                 DateTime.ParseExact ("2002-02-25 04:25:13Z", (string) null, null);
 400                                 Assert.Fail ("#A1");
 401                         } catch (ArgumentNullException ex) {
 402                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#A2");
 403                                 Assert.IsNull (ex.InnerException, "#A3");
 404                                 Assert.IsNotNull (ex.Message, "#A4");
 405                                 Assert.IsNotNull (ex.ParamName, "#A5");
 406                                 Assert.AreEqual ("format", ex.ParamName, "#A6");
 407                         }
 408
 409                         try {
 410                                 DateTime.ParseExact ("2002-02-25 04:25:13Z", (string) null, null,
 411                                         DateTimeStyles.None);
 412                                 Assert.Fail ("#B1");
 413                         } catch (ArgumentNullException ex) {
 414                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#B2");
 415                                 Assert.IsNull (ex.InnerException, "#B3");
 416                                 Assert.IsNotNull (ex.Message, "#B4");
 417                                 Assert.IsNotNull (ex.ParamName, "#B5");
 418                                 Assert.AreEqual ("format", ex.ParamName, "#B6");
 419                         }
 420                 }
 421
 422                 [Test]
 423                 public void ParseExact_Formats_Empty ()
 424                 {
 425                         try {
 426                                 DateTime.ParseExact ("2002-02-25 04:25:13Z", new string [0],
 427                                         null, DateTimeStyles.None);
 428                                 Assert.Fail ("#A1");
 429                         } catch (FormatException ex) {
 430                                 // Format specifier was invalid
 431                                 Assert.AreEqual (typeof (FormatException), ex.GetType (), "#A2");
 432                                 Assert.IsNull (ex.InnerException, "#A3");
 433                                 Assert.IsNotNull (ex.Message, "#A4");
 434                         }
 435
 436                         string [] formats = new string [] { "G", string.Empty, "d" };
 437                         try {
 438                                 DateTime.ParseExact ("2002-02-25 04:25:13Z", formats, null,
 439                                         DateTimeStyles.None);
 440                                 Assert.Fail ("#B1");
 441                         } catch (FormatException ex) {
 442                                 // Format specifier was invalid
 443                                 Assert.AreEqual (typeof (FormatException), ex.GetType (), "#B2");
 444                                 Assert.IsNull (ex.InnerException, "#B3");
 445                                 Assert.IsNotNull (ex.Message, "#B4");
 446                         }
 447                 }
 448
 449                 [Test]
 450                 public void ParseExact_Formats_Null ()
 451                 {
 452                         try {
 453                                 DateTime.ParseExact ("2002-02-25 04:25:13Z", (string []) null,
 454                                         null, DateTimeStyles.None);
 455                                 Assert.Fail ("#A1");
 456                         } catch (ArgumentNullException ex) {
 457                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#A2");
 458                                 Assert.IsNull (ex.InnerException, "#A3");
 459                                 Assert.IsNotNull (ex.Message, "#A4");
 460                                 Assert.IsNotNull (ex.ParamName, "#A5");
 461                                 Assert.AreEqual ("formats", ex.ParamName, "#A6");
 462                         }
 463
 464                         string [] formats = new string [] { "G", null, "d" };
 465                         try {
 466                                 DateTime.ParseExact ("2002-02-25 04:25:13Z", formats, null,
 467                                         DateTimeStyles.None);
 468                                 Assert.Fail ("#B1");
 469                         } catch (FormatException ex) {
 470                                 // Format specifier was invalid
 471                                 Assert.AreEqual (typeof (FormatException), ex.GetType (), "#B2");
 472                                 Assert.IsNull (ex.InnerException, "#B3");
 473                                 Assert.IsNotNull (ex.Message, "#B4");
 474                         }
 475                 }
 476
 477                 [Test]
 478                 public void ParseExact_String_Empty ()
 479                 {
 480                         try {
 481                                 DateTime.ParseExact (string.Empty, "G", null);
 482                                 Assert.Fail ("#A1");
 483                         } catch (FormatException ex) {
 484                                 // Format specifier was invalid
 485                                 Assert.AreEqual (typeof (FormatException), ex.GetType (), "#A2");
 486                                 Assert.IsNull (ex.InnerException, "#A3");
 487                                 Assert.IsNotNull (ex.Message, "#A4");
 488                         }
 489
 490                         try {
 491                                 DateTime.ParseExact (string.Empty, "G", null, DateTimeStyles.None);
 492                                 Assert.Fail ("#B1");
 493                         } catch (FormatException ex) {
 494                                 // Format specifier was invalid
 495                                 Assert.AreEqual (typeof (FormatException), ex.GetType (), "#B2");
 496                                 Assert.IsNull (ex.InnerException, "#B3");
 497                                 Assert.IsNotNull (ex.Message, "#B4");
 498                         }
 499
 500                         try {
 501                                 DateTime.ParseExact (string.Empty, new string [] { "G" }, null,
 502                                         DateTimeStyles.None);
 503                                 Assert.Fail ("#C1");
 504                         } catch (FormatException ex) {
 505                                 // Format specifier was invalid
 506                                 Assert.AreEqual (typeof (FormatException), ex.GetType (), "#C2");
 507                                 Assert.IsNull (ex.InnerException, "#C3");
 508                                 Assert.IsNotNull (ex.Message, "#C4");
 509                         }
 510                 }
 511
 512                 [Test]
 513                 public void ParseExact_String_Null ()
 514                 {
 515                         try {
 516                                 DateTime.ParseExact ((string) null, "G", null);
 517                                 Assert.Fail ("#A1");
 518                         } catch (ArgumentNullException ex) {
 519                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#A2");
 520                                 Assert.IsNull (ex.InnerException, "#A3");
 521                                 Assert.IsNotNull (ex.Message, "#A4");
 522                                 Assert.IsNotNull (ex.ParamName, "#A5");
 523                                 Assert.AreEqual ("s", ex.ParamName, "#A6");
 524                         }
 525
 526                         try {
 527                                 DateTime.ParseExact ((string) null, "G", null, DateTimeStyles.None);
 528                                 Assert.Fail ("#B1");
 529                         } catch (ArgumentNullException ex) {
 530                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#B2");
 531                                 Assert.IsNull (ex.InnerException, "#B3");
 532                                 Assert.IsNotNull (ex.Message, "#B4");
 533                                 Assert.IsNotNull (ex.ParamName, "#B5");
 534                                 Assert.AreEqual ("s", ex.ParamName, "#B6");
 535                         }
 536
 537                         try {
 538                                 DateTime.ParseExact ((string) null, new string [] { "G" }, null,
 539                                         DateTimeStyles.None);
 540                                 Assert.Fail ("#C1");
 541                         } catch (ArgumentNullException ex) {
 542                                 Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#C2");
 543                                 Assert.IsNull (ex.InnerException, "#C3");
 544                                 Assert.IsNotNull (ex.Message, "#C4");
 545                                 Assert.IsNotNull (ex.ParamName, "#C5");
 546                                 Assert.AreEqual ("s", ex.ParamName, "#C6");
 547                         }
 548                 }
 549
 550                 [Test]
 551                 public void TestParseExact3 ()
 552                 {
 553                         DateTime t1 = DateTime.ParseExact ("2002-02-25 04:25:13Z", "u", null);
 554                         Assert.AreEqual (2002, t1.Year, "#1");
 555                         Assert.AreEqual (02, t1.Month, "#2");
 556                         Assert.AreEqual (25, t1.Day, "#3");
 557                         Assert.AreEqual (04, t1.Hour, "#4");
 558                         Assert.AreEqual (25, t1.Minute, "#5");
 559                         Assert.AreEqual (13, t1.Second, "#6");
 560                 }
 561
 562                 [Test]
 563                 public void TestParseExact4 ()
 564                 {
 565                         // Checks 24hours format used together with the AM/PM designator
 566                         string s = "6/28/2004 13:00:00 AM";
 567                         string f = "M/d/yyyy HH':'mm':'ss tt";
 568                         try {
 569                                 DateTime.ParseExact (s, f, CultureInfo.InvariantCulture);
 570                                 Assert.Fail ("#1");
 571                         } catch (FormatException) {
 572                         }
 573
 574                         s = "6/28/2004 04:00:00 AM";
 575                         DateTime.ParseExact (s, f, CultureInfo.InvariantCulture);
 576
 577                         s = "6/28/2004 06:00:00 PM";
 578                         try {
 579                                 DateTime.ParseExact (s, f, CultureInfo.InvariantCulture);
 580                                 Assert.Fail ("#2");
 581                         } catch (FormatException) {
 582                         }
 583
 584                         s = "6/28/2004 17:00:00 PM";
 585                         DateTime.ParseExact (s, f, CultureInfo.InvariantCulture);
 586                 }
 587
 588                 [Test]
 589                 public void TestParseExact4_2 ()
 590                 {
 591                         // bug #63137
 592                         DateTime.ParseExact ("Wed, 12 May 2004 20:51:09 +0200",
 593                                 @"ddd, d MMM yyyy H:m:s zzz",
 594                                 CultureInfo.CreateSpecificCulture("en-us"),
 595                                 DateTimeStyles.AllowInnerWhite);
 596                 }
 597
 598                 [Test]
 599                 public void TestParseExact5 ()
 600                 {
 601                         DateTime dt = DateTime.ParseExact ("Wed, 12 May 2004 20:51:09 -02:30",
 602                                                         @"ddd, d MMM yyyy H:m:s zzz",
 603                                                         CultureInfo.CreateSpecificCulture("en-us"),
 604                                                         DateTimeStyles.AllowInnerWhite);
 605                         dt = dt.ToUniversalTime ();
 606                         Assert.AreEqual (23, dt.Hour, "Hour");
 607                         Assert.AreEqual (21, dt.Minute, "Minute");
 608                 }
 609
 610                 [Test]
 611                 public void TestParseExactMiliseconds ()
 612                 {
 613                         string s = "1984-09-17T09:00:00.6Z";
 614                         DateTime dt = DateTime.ParseExact (s, "yyyy-MM-dd'T'HH:mm:ss.FFF'Z'", CultureInfo.InvariantCulture);
 615                         Assert.AreEqual (new DateTime (1984, 9, 17, 9, 0, 0, 600), dt, "#1");
 616
 617                         s = "1984-09-17T09:00:00Z";
 618                         dt = DateTime.ParseExact (s, "yyyy-MM-dd'T'HH:mm:ss.FFF'Z'", CultureInfo.InvariantCulture);
 619                         Assert.AreEqual (new DateTime (1984, 9, 17, 9, 0, 0, 0), dt, "#2");
 620
 621                         s = "1984-09-17T09:00:00Z";
 622                         dt = DateTime.ParseExact (s, "yyyy-MM-dd'T'HH:mm:ssFFF'Z'", CultureInfo.InvariantCulture);
 623                         Assert.AreEqual (new DateTime (1984, 9, 17, 9, 0, 0, 0), dt, "#3");
 624                 }
 625
 626                 [Test]
 627                 public void TestParseExact ()
 628                 {
 629                         // Standard patterns
 630                         DateTime t1 = DateTime.ParseExact ("02/25/2002", "d", null);
 631                         Assert.AreEqual (myTicks [0], t1.Ticks, "#A1");
 632                         t1 = DateTime.ParseExact ("Monday, 25 February 2002", "D", null);
 633                         Assert.AreEqual (myTicks [0], t1.Ticks, "#A2");
 634                         t1 = DateTime.ParseExact ("Monday, 25 February 2002 05:25", "f", null);
 635                         Assert.AreEqual (myTicks [3], t1.Ticks, "#A3");
 636                         t1 = DateTime.ParseExact ("Monday, 25 February 2002 05:25:13", "F", null);
 637                         Assert.AreEqual (myTicks [4], t1.Ticks, "#A4");
 638                         t1 = DateTime.ParseExact ("02/25/2002 05:25", "g", null);
 639                         Assert.AreEqual (myTicks [3], t1.Ticks, "#A5");
 640                         t1 = DateTime.ParseExact ("02/25/2002 05:25:13", "G", null);
 641                         Assert.AreEqual (myTicks [4], t1.Ticks, "#A6");
 642                         t1 = DateTime.ParseExact ("Monday, 25 February 2002 04:25:13", "U", null);
 643                         t1 = TimeZone.CurrentTimeZone.ToUniversalTime(t1);
 644                         Assert.AreEqual (2002, t1.Year, "#A7");
 645                         Assert.AreEqual (02, t1.Month, "#A8");
 646                         Assert.AreEqual (25, t1.Day, "#A9");
 647                         Assert.AreEqual (04, t1.Hour, "#A10");
 648                         Assert.AreEqual (25, t1.Minute, "#A11");
 649                         Assert.AreEqual (13, t1.Second, "#A12");
 650                         t1 = DateTime.ParseExact ("Monday, 25 February 2002 04:25:13", "U", null);
 651                         Assert.AreEqual ("Monday, 25 February 2002 04:25:13", t1.ToString ("U"), "#A13");
 652
 653                         DateTime t2 = new DateTime (DateTime.Today.Year, 2, 25);
 654                         t1 = DateTime.ParseExact ("February 25", "m", null);
 655                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#B1");
 656
 657                         t2 = new DateTime (DateTime.Today.Year, 2, 25);
 658                         t1 = DateTime.ParseExact ("February 25", "M", null);
 659                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#B2");
 660
 661                         t1 = DateTime.ParseExact ("Mon, 25 Feb 2002 04:25:13 GMT", "r", null);
 662                         Assert.AreEqual (2002, t1.Year, "#C1");
 663                         Assert.AreEqual (02, t1.Month, "#C2");
 664                         Assert.AreEqual (25, t1.Day, "#C3");
 665                         Assert.AreEqual (04, t1.Hour, "#C4");
 666                         Assert.AreEqual (25, t1.Minute, "#C5");
 667                         Assert.AreEqual (13, t1.Second, "#C6");
 668
 669                         t1 = DateTime.ParseExact ("Mon, 25 Feb 2002 04:25:13 GMT", "R", null);
 670                         Assert.AreEqual (2002, t1.Year, "#D1");
 671                         Assert.AreEqual (02, t1.Month, "#D2");
 672                         Assert.AreEqual (25, t1.Day, "#D3");
 673                         Assert.AreEqual (04, t1.Hour, "#D4");
 674                         Assert.AreEqual (25, t1.Minute, "#D5");
 675                         Assert.AreEqual (13, t1.Second, "#D6");
 676
 677                         t1 = DateTime.ParseExact ("2002-02-25T05:25:13", "s", null);
 678                         Assert.AreEqual (myTicks [4], t1.Ticks, "#E1");
 679
 680                         t2 = DateTime.Today + new TimeSpan (5,25,0);
 681                         t1 = DateTime.ParseExact ("05:25", "t", null);
 682                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#E2");
 683
 684                         t2 = DateTime.Today + new TimeSpan (5,25,13);
 685                         t1 = DateTime.ParseExact ("05:25:13", "T", null);
 686                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#E3");
 687
 688                         t2 = new DateTime (2002, 2, 1);
 689                         t1 = DateTime.ParseExact ("2002 February", "y", null);
 690                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#E4");
 691
 692                         t2 = new DateTime (2002, 2, 1);
 693                         t1 = DateTime.ParseExact ("2002 February", "Y", null);
 694                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#E5");
 695
 696                         // Custom patterns
 697                         t2 = new DateTime (DateTime.Now.Year, 1, 25);
 698                         t1 = DateTime.ParseExact ("25", "%d", null);
 699                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#F1");
 700                         t1 = DateTime.ParseExact ("25", "dd", null);
 701                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#F2");
 702
 703                         t2 = new DateTime (DateTime.Today.Year, 2, 1);
 704                         t1 = DateTime.ParseExact ("2", "%M", null);
 705                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G1");
 706                         t1 = DateTime.ParseExact ("02", "MM", null);
 707                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G2");
 708                         t1 = DateTime.ParseExact ("Feb", "MMM", null);
 709                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G3");
 710                         t1 = DateTime.ParseExact ("February", "MMMM", null);
 711                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G4");
 712
 713                         t2 = new DateTime (2005, 1, 1);
 714                         t1 = DateTime.ParseExact ("5", "%y", null);
 715                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G5");
 716                         t1 = DateTime.ParseExact ("05", "yy", null);
 717                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G6");
 718                         t1 = DateTime.ParseExact ("2005", "yyyy", null);
 719                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G7");
 720
 721                         t2 = DateTime.Today + new TimeSpan (5, 0, 0);
 722                         t1 = DateTime.ParseExact ("5A", "ht", null);
 723                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G8");
 724                         t1 = DateTime.ParseExact ("05A", "hht", null);
 725                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G9");
 726
 727                         t2 = DateTime.Today + new TimeSpan (15, 0, 0);
 728                         t1 = DateTime.ParseExact ("3P", "ht", null);
 729                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G10");
 730                         t1 = DateTime.ParseExact ("03P", "hht", null);
 731                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G11");
 732
 733                         t2 = DateTime.Today + new TimeSpan (5, 0, 0);
 734                         t1 = DateTime.ParseExact ("5", "%H", null);
 735                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G12");
 736
 737                         t2 = DateTime.Today + new TimeSpan (15, 0, 0);
 738                         t1 = DateTime.ParseExact ("15", "%H", null);
 739                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G13");
 740                         t1 = DateTime.ParseExact ("15", "HH", null);
 741                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#G14");
 742
 743                         // Time zones
 744 #if false
 745                         // Fails durring DST for msft and mono
 746                         t2 = DateTime.Today + new TimeSpan (17, 18, 0);
 747                         t1 = DateTime.ParseExact ("11:18AM -5", "h:mmtt z", null);
 748                         t1 = TimeZone.CurrentTimeZone.ToUniversalTime(t1);
 749                         if (!TimeZone.CurrentTimeZone.IsDaylightSavingTime(t1))
 750                                 t1 += new TimeSpan(1, 0, 0);
 751                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#H1");
 752
 753                         t1 = DateTime.ParseExact ("11:18AM -05:00", "h:mmtt zzz", null);
 754                         t1 = TimeZone.CurrentTimeZone.ToUniversalTime(t1);
 755                         if (!TimeZone.CurrentTimeZone.IsDaylightSavingTime(t1))
 756                                 t1 += new TimeSpan(1, 0, 0);
 757                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#H2");
 758
 759                         t1 = DateTime.ParseExact ("7:18PM +03", "h:mmtt zz", null);
 760                         t1 = TimeZone.CurrentTimeZone.ToUniversalTime(t1);
 761                         if (!TimeZone.CurrentTimeZone.IsDaylightSavingTime(t1))
 762                                 t1 += new TimeSpan(1, 0, 0);
 763                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#H3");
 764
 765                         t1 = DateTime.ParseExact ("7:48PM +03:30", "h:mmtt zzz", null);
 766                         t1 = TimeZone.CurrentTimeZone.ToUniversalTime(t1);
 767                         if (!TimeZone.CurrentTimeZone.IsDaylightSavingTime(t1))
 768                                 t1 += new TimeSpan(1, 0, 0);
 769                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#H4");
 770 #endif
 771
 772                         // Options
 773                         t2 = DateTime.Today + new TimeSpan (16, 18, 0);
 774                         t1 = DateTime.ParseExact ("11:18AM -5", "h:mmtt z",
 775                                                   null, DateTimeStyles.AdjustToUniversal);
 776                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#I1");
 777
 778                         t1 = DateTime.ParseExact ("Monday, 25 February 2002 05:25:13", "F",
 779                                                   null, DateTimeStyles.AdjustToUniversal);
 780                         Assert.AreEqual (myTicks [4], t1.Ticks, "#I2");
 781                         t1 = DateTime.ParseExact ("Monday, 25 February 2002 05:25:13",
 782                                                   "dddd, dd MMMM yyyy HH:mm:ss",
 783                                                   null, DateTimeStyles.AdjustToUniversal);
 784                         Assert.AreEqual (myTicks [4], t1.Ticks, "#I3");
 785
 786                         t1 = DateTime.ParseExact ("02/25/2002", "d", null,
 787                                                   DateTimeStyles.AllowWhiteSpaces);
 788                         Assert.AreEqual (myTicks [0], t1.Ticks, "#I4");
 789
 790                         t1 = DateTime.ParseExact ("    02/25/2002", "d", null,
 791                                                   DateTimeStyles.AllowLeadingWhite);
 792                         Assert.AreEqual (myTicks [0], t1.Ticks, "#I5");
 793
 794                         t1 = DateTime.ParseExact ("02/25/2002    ", "d", null,
 795                                                   DateTimeStyles.AllowTrailingWhite);
 796                         Assert.AreEqual (myTicks [0], t1.Ticks, "#I6");
 797
 798                         t1 = DateTime.ParseExact ("  02 / 25 / 2002    ", "d", null,
 799                                                   DateTimeStyles.AllowWhiteSpaces);
 800                         Assert.AreEqual (myTicks [0], t1.Ticks, "#I7");
 801
 802                         // Multi Custom Patterns
 803                         string rfc1123_date = "r";
 804                         string rfc850_date = "dddd, dd'-'MMM'-'yy HH':'mm':'ss 'GMT'";
 805                         string asctime_date = "ddd MMM d HH':'mm':'ss yyyy";
 806                         string [] formats = new string [] {rfc1123_date, rfc850_date, asctime_date};
 807                         CultureInfo enUS = new CultureInfo("en-US", false);
 808                         t1 = DateTime.ParseExact ("Sun, 06 Nov 1994 08:49:37 GMT", formats[0], enUS,
 809                                                 DateTimeStyles.AllowWhiteSpaces);
 810                         Assert.AreEqual (myTicks [6], t1.Ticks, "#J1");
 811                         t1 = DateTime.ParseExact ("Sunday, 06-Nov-94 08:49:37 GMT", formats[1], enUS,
 812                                                 DateTimeStyles.AllowWhiteSpaces);
 813                         Assert.AreEqual (myTicks [6], t1.Ticks, "#J2");
 814                         t1 = DateTime.ParseExact ("Sun Nov  6 08:49:37 1994", formats[2], enUS,
 815                                                 DateTimeStyles.AllowWhiteSpaces);
 816                         Assert.AreEqual (myTicks [6], t1.Ticks, "#J3");
 817                         t1 = DateTime.ParseExact ("Sun, 06 Nov 1994 08:49:37 GMT", formats, enUS,
 818                                                 DateTimeStyles.AllowWhiteSpaces);
 819                         Assert.AreEqual (myTicks [6], t1.Ticks, "#J4");
 820                         t1 = DateTime.ParseExact ("Sunday, 06-Nov-94 08:49:37 GMT", formats, enUS,
 821                                                 DateTimeStyles.AllowWhiteSpaces);
 822                         Assert.AreEqual (myTicks [6], t1.Ticks, "#J5");
 823                         t1 = DateTime.ParseExact ("Sun Nov  6 08:49:37 1994", formats, enUS,
 824                                                 DateTimeStyles.AllowWhiteSpaces);
 825                         Assert.AreEqual (myTicks [6], t1.Ticks, "#J6");
 826                         t1 = DateTime.ParseExact ("Monday, 25 February 2002 05:25:13",
 827                                                 "ddddddd, dd MMMMMMM yyyy HHHHH:mmmmm:sssss",
 828                                                 null, DateTimeStyles.AdjustToUniversal);
 829                         Assert.AreEqual (myTicks[4], t1.Ticks, "#J7");
 830
 831                         // Bug 52274
 832                         t1 = DateTime.ParseExact ("--12--", "--MM--" , null);
 833                         Assert.AreEqual (12, t1.Month, "#K1");
 834                         t1=DateTime.ParseExact ("--12-24", "--MM-dd" , null);
 835                         Assert.AreEqual (24, t1.Day, "#K2");
 836                         Assert.AreEqual (12, t1.Month, "#K3");
 837                         t1=DateTime.ParseExact ("---24", "---dd" , null);
 838                         Assert.AreEqual (24, t1.Day, "#K4");
 839
 840                         // Bug 63376
 841                         t1 = DateTime.ParseExact ("18Aug2004 12:33:00", "ddMMMyyyy hh:mm:ss", new CultureInfo ("en-US"));
 842                         Assert.AreEqual (0, t1.Hour, "hh allows 12, though it's useless");
 843
 844                         // Bug 74775
 845                         DateTime.ParseExact ("Tue, 12 Apr 2005 10:10:04 +0100",
 846                                 "Tue, 12 Apr 2005 10:10:04 +0100", enUS);
 847                         try {
 848                                 DateTime.ParseExact ("Tue, 12 Apr 2005 10:10:04 +00000",
 849                                         "ddd, dd MMM yyyy HH':'mm':'ss zzz", enUS);
 850                                 Assert.Fail ("#L1");
 851                         } catch (FormatException) {
 852                         }
 853
 854                         // Bug #75213 : literal escaping.
 855                         t1 = DateTime.ParseExact ("20050707132527Z",
 856                                 "yyyyMMddHHmmss\\Z", CultureInfo.InvariantCulture);
 857                         Assert.AreEqual (632563395270000000, t1.Ticks, "#L2");
 858
 859                         // XAttributeTest.CastDateTimeOffsets():#6b
 860                         // It is said broken, probably due to timezone difference.
 861                         //t1 = DateTime.ParseExact ("2039-10-31T12:34:56.7552+00:00", "yyyy-MM-ddTHH:mm:ss.FFFFFFFzzz",
 862                         //                        CultureInfo.InvariantCulture, DateTimeStyles.AssumeUniversal);
 863                         //Assert.AreEqual (643393064967552000, t1.Ticks, "#M");
 864                 }
 865
 866                 [Test]
 867                 public void TestParse2 ()
 868                 {
 869                         DateTime t1 = DateTime.Parse ("Mon, 25 Feb 2002 04:25:13 GMT");
 870                         t1 = TimeZone.CurrentTimeZone.ToUniversalTime(t1);
 871                         Assert.AreEqual (4, t1.Hour);
 872                 }
 873
 874                 [Test]
 875                 public void TestUtcOffset_Novell710512 ()
 876                 {
 877                         // test for bug Novell #710512
 878                         if (TimeZoneInfo.Local.BaseUtcOffset == TimeSpan.Zero)
 879                                 Assert.Ignore("Test doesn't apply with current time zone");
 880
 881                         var localTime = DateTime.Parse ("Mon, 25 Feb 2002 04:25:13 GMT");
 882                         var utcTime = TimeZone.CurrentTimeZone.ToUniversalTime(localTime);
 883                         Assert.AreEqual (TimeSpan.Zero, TimeZone.CurrentTimeZone.GetUtcOffset (utcTime));
 884                 }
 885
 886                 [Test]
 887                 public void TestParseDateFirst ()
 888                 {
 889                         // Standard patterns
 890                         CultureInfo USCultureInfo = new CultureInfo("en-US");
 891                         DateTime t1 = DateTime.Parse ("02/25/2002", USCultureInfo);
 892                         Assert.AreEqual (myTicks [0], t1.Ticks, "#A1");
 893                         t1 = DateTime.Parse ("2002-02-25", USCultureInfo);
 894                         Assert.AreEqual (myTicks [0], t1.Ticks, "#A2");
 895                         t1 = DateTime.Parse ("Monday, 25 February 2002");
 896                         Assert.AreEqual (myTicks [0], t1.Ticks, "#A3");
 897                         t1 = DateTime.Parse ("Monday, 25 February 2002 05:25");
 898                         Assert.AreEqual (myTicks [3], t1.Ticks, "#A4");
 899                         t1 = DateTime.Parse ("Monday, 25 February 2002 05:25:13");
 900                         Assert.AreEqual (myTicks [4], t1.Ticks, "#A5");
 901                         t1 = DateTime.Parse ("02/25/2002 05:25", USCultureInfo);
 902                         Assert.AreEqual (myTicks [3], t1.Ticks, "#A6");
 903                         t1 = DateTime.Parse ("02/25/2002 05:25:13", USCultureInfo);
 904                         Assert.AreEqual (myTicks [4], t1.Ticks, "#A7");
 905                         t1 = DateTime.Parse ("2002-02-25 04:25:13Z");
 906                         t1 = TimeZone.CurrentTimeZone.ToUniversalTime(t1);
 907                         Assert.AreEqual (2002, t1.Year, "#A8");
 908                         Assert.AreEqual (02, t1.Month, "#A9");
 909                         Assert.AreEqual (25, t1.Day, "#A10");
 910                         Assert.AreEqual (04, t1.Hour, "#A11");
 911                         Assert.AreEqual (25, t1.Minute, "#A12");
 912                         Assert.AreEqual (13, t1.Second, "#A13");
 913                         t1 = DateTime.Parse ("Mon,02/25/2002", USCultureInfo);
 914                         Assert.AreEqual (myTicks [0], t1.Ticks, "#A14");
 915                         DateTime t2 = new DateTime (1999, 1, 2, 0, 3, 4);
 916                         t1 = DateTime.Parse (t2.ToLongTimeString ());
 917                         Assert.AreEqual (0, t1.Hour, "#A14");
 918
 919                         // parsed as UTC string
 920                         t1 = DateTime.Parse ("Mon, 25 Feb 2002 04:25:13 GMT");
 921                         t1 = TimeZone.CurrentTimeZone.ToUniversalTime (t1);
 922                         Assert.AreEqual (2002, t1.Year, "#C1");
 923                         Assert.AreEqual (02, t1.Month, "#C2");
 924                         Assert.AreEqual (25, t1.Day, "#C3");
 925                         Assert.AreEqual (4, t1.Hour, "#C4");
 926                         Assert.AreEqual (25, t1.Minute, "#C5");
 927                         Assert.AreEqual (13, t1.Second, "#C6");
 928
 929                         // Some date 'T' time formats
 930                         t1 = DateTime.Parse ("2002-02-25T05:25");
 931                         Assert.AreEqual (myTicks [3], t1.Ticks, "#D1");
 932
 933                         t1 = DateTime.Parse ("2002-02-25T05:25:13");
 934                         Assert.AreEqual (myTicks [4], t1.Ticks, "#D1");
 935                         t1 = DateTime.Parse ("2002-02-25T05:25:13.008");
 936                         Assert.AreEqual (myTicks [2], t1.Ticks, "#D1");
 937                         t1 = DateTime.Parse ("02-2002-25T05:25:13");
 938                         Assert.AreEqual (myTicks [4], t1.Ticks, "#D1");
 939
 940                         // Day month
 941                         t2 = new DateTime (DateTime.Today.Year, 2, 25);
 942                         t1 = DateTime.Parse ("February 25", USCultureInfo);
 943                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#B1");
 944
 945                         t2 = new DateTime (DateTime.Today.Year, 2, 8);
 946                         t1 = DateTime.Parse ("February 08", USCultureInfo);
 947                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#B2");
 948
 949                         t2 = new DateTime (DateTime.Today.Year, 2, 8);
 950                         t1 = DateTime.Parse ("February 8", USCultureInfo);
 951                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#D6");
 952
 953                         // Month year
 954                         t2 = new DateTime (2002, 2, 1);
 955                         t1 = DateTime.Parse ("2002 February");
 956                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#D4");
 957
 958                         t2 = new DateTime (2002, 2, 1);
 959                         t1 = DateTime.Parse ("2002 February", new CultureInfo ("ja-JP"));
 960                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#D5");
 961
 962                         // bug #72132
 963                         t2 = new DateTime (2002, 2, 25, 5, 25, 22);
 964                         t1 = DateTime.Parse ("Monday, 25 February 2002 05:25:22",
 965                                 new CultureInfo ("hi-IN"));
 966                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#D7");
 967                         t2 = new DateTime (2002, 2, 25, 5, 25, 0);
 968                         t1 = DateTime.Parse ("Monday, 25 February 2002 05:25",
 969                                 new CultureInfo ("hi-IN"));
 970                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#D8");
 971
 972                         // MM-yyyy-dd + different time formats
 973                         t1 = DateTime.Parse ("02-2002-25 05:25", USCultureInfo);
 974                         Assert.AreEqual (myTicks[3], t1.Ticks, "#E1");
 975                         t1 = DateTime.Parse ("02-2002-25 05:25:13", USCultureInfo);
 976                         Assert.AreEqual (myTicks[4], t1.Ticks, "#E1");
 977                         t1 = DateTime.Parse ("02-2002-25 05:25:13 Mon", USCultureInfo);
 978                         Assert.AreEqual (myTicks[4], t1.Ticks, "#E2");
 979                         t1 = DateTime.Parse ("02-2002-25 05:25:13 Monday", USCultureInfo);
 980                         Assert.AreEqual (myTicks[4], t1.Ticks, "#E3");
 981                         t1 = DateTime.Parse ("02-2002-25 05:25:13.008", USCultureInfo);
 982                         Assert.AreEqual (myTicks[2], t1.Ticks, "#E4");
 983
 984                         // Formats with timezone
 985                         long offset = TimeZone.CurrentTimeZone.GetUtcOffset(t1).Ticks;
 986                         long hourTicks = 36000000000L;
 987                         long halfHourTicks = hourTicks / 2;
 988                         t1 = DateTime.Parse ("02-2002-25 05:25+01", USCultureInfo);
 989                         Assert.AreEqual (myTicks[3], t1.Ticks + hourTicks - offset, "#F1");
 990                         t1 = DateTime.Parse ("02-2002-25 05:25-01", USCultureInfo);
 991                         Assert.AreEqual (myTicks[3], t1.Ticks - hourTicks - offset, "#F2");
 992                         t1 = DateTime.Parse ("02-2002-25 05:25+00:30", USCultureInfo);
 993                         Assert.AreEqual (myTicks[3], t1.Ticks + hourTicks/2 - offset, "#F3");
 994                         t1 = DateTime.Parse ("02-2002-25 05:25:13+02", USCultureInfo);
 995                         Assert.AreEqual (myTicks[4], t1.Ticks + 2*hourTicks - offset, "#F4");
 996
 997                         // NET 1.0 doesn't accept second fractions and time zone.
 998                         t1 = DateTime.Parse ("2002-02-25 05:25:13.008-02");
 999                         Assert.AreEqual (myTicks[2], t1.Ticks - 2*hourTicks - offset, "#F5");
1000                         // NET 1.0 doesn't parse well time zone with AM afterwards.
1001                         t1 = DateTime.Parse ("02-25-2002 05:25:13-02 AM", USCultureInfo);
1002                         Assert.AreEqual (myTicks[4], t1.Ticks - 2*hourTicks - offset, "#F6");
1003                         t1 = DateTime.Parse ("25 Feb 2002 05:25:13-02 AM", USCultureInfo);
1004                         Assert.AreEqual (myTicks[4], t1.Ticks - 2*hourTicks - offset, "#F6");
1005                 }
1006
1007                 [Test]
1008                 public void TestParseTimeFirst ()
1009                 {
1010                         CultureInfo USCultureInfo = new CultureInfo("en-US");
1011
1012                         // Hour only patterns
1013                         DateTime t2 = DateTime.Today + new TimeSpan (5,25,0);
1014                         DateTime t1 = DateTime.Parse ("05:25");
1015                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#C1");
1016                         t2 = DateTime.Today + new TimeSpan (5,25,13);
1017                         t1 = DateTime.Parse ("05:25:13");
1018                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#B2");
1019
1020                         // Test with different date formats
1021                         t1 = DateTime.Parse ("05:25 02/25/2002", USCultureInfo);
1022                         Assert.AreEqual (myTicks[3], t1.Ticks, "#B1");
1023                         t1 = DateTime.Parse ("05:25:13 2002-02-25");
1024                         Assert.AreEqual (myTicks[4], t1.Ticks, "#B2");
1025                         t1 = DateTime.Parse ("05:25:13.008 02-2002-25");
1026                         Assert.AreEqual (myTicks[2], t1.Ticks, "#B3");
1027                         t1 = DateTime.Parse ("05:25:13.008 Feb 25 2002");
1028                         Assert.AreEqual (myTicks[2], t1.Ticks, "#B4");
1029                         t1 = DateTime.Parse ("05:25:13.008 25 Feb 2002");
1030                         Assert.AreEqual (myTicks[2], t1.Ticks, "#B5");
1031
1032                         // Add AM and day of the week
1033                         t1 = DateTime.Parse ("AM 05:25:13 2002-02-25");
1034                         Assert.AreEqual (myTicks[4], t1.Ticks, "#C1");
1035                         t1 = DateTime.Parse ("Monday05:25 02/25/2002", USCultureInfo);
1036                         Assert.AreEqual (myTicks[3], t1.Ticks, "#C2");
1037                         t1 = DateTime.Parse ("Mon 05:25 AM 02/25/2002", USCultureInfo);
1038                         Assert.AreEqual (myTicks[3], t1.Ticks, "#C3");
1039                         t1 = DateTime.Parse ("AM 05:25 Monday, 02/25/2002", USCultureInfo);
1040                         Assert.AreEqual (myTicks[3], t1.Ticks, "#C4");
1041                         t1 = DateTime.Parse ("05:25 02/25/2002 Monday", USCultureInfo);
1042                         Assert.AreEqual (myTicks[3], t1.Ticks, "#C5");
1043                         t1 = DateTime.Parse ("PM 03:25:13.008 02-2002-25");
1044                         Assert.AreEqual (myTicks[1], t1.Ticks, "#C6");
1045
1046                         // ASP.NET QuickStarts
1047                         t2 = new DateTime (2002, 10, 7, 15, 6, 0);
1048                         t1 = DateTime.Parse ("3:06 PM 10/7/2002", USCultureInfo);
1049                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#D1");
1050                         t2 = new DateTime (2002, 10, 7, 15, 6, 0);
1051                         t1 = DateTime.Parse ("3:06 pm 10/7/2002", USCultureInfo);
1052                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#D2");
1053                         t2 = new DateTime (2002, 10, 7, 3, 6, 0);
1054                         t1 = DateTime.Parse ("3:06 AM 10/7/2002", USCultureInfo);
1055                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#D3");
1056                         t2 = new DateTime (2002, 10, 7, 3, 6, 0);
1057                         t1 = DateTime.Parse ("3:06 am 10/7/2002", USCultureInfo);
1058                         Assert.AreEqual (t2.Ticks, t1.Ticks, "#D4");
1059                 }
1060
1061                 [Test]
1062                 public void TestParseWithDifferentShortDatePatterns ()
1063                 {
1064                         CultureInfo cultureInfo = new CultureInfo("en-US");
1065                         DateTimeFormatInfo dateFormatInfo = cultureInfo.DateTimeFormat;
1066                         DateTime t1 = DateTime.Parse ("02/01/2003", cultureInfo);
1067                         Assert.AreEqual (myTicks[7], t1.Ticks, "#A1");
1068
1069                         // Day, month year behaviour
1070                         dateFormatInfo.ShortDatePattern = "dd/MM/yyyy";
1071                         t1 = DateTime.Parse ("01/02/03", cultureInfo);
1072                         Assert.AreEqual (myTicks[7], t1.Ticks, "#B1");
1073                         t1 = DateTime.Parse ("01/02/2003", cultureInfo);
1074                         Assert.AreEqual (myTicks[7], t1.Ticks, "#B2");
1075                         t1 = DateTime.Parse ("2003/02/01", cultureInfo);
1076                         Assert.AreEqual (myTicks[7], t1.Ticks, "#B3");
1077                         t1 = DateTime.Parse ("01/Feb/03", cultureInfo);
1078                         Assert.AreEqual (myTicks[7], t1.Ticks, "#B4");
1079                         t1 = DateTime.Parse ("Feb/01/03", cultureInfo);
1080                         Assert.AreEqual (myTicks[7], t1.Ticks, "#B5");
1081
1082                         // Month, day year behaviour
1083                         dateFormatInfo.ShortDatePattern = "MM/dd/yyyy";
1084                         t1 = DateTime.Parse ("02/01/03", cultureInfo);
1085                         Assert.AreEqual (myTicks[7], t1.Ticks, "#C1");
1086                         t1 = DateTime.Parse ("02/01/2003", cultureInfo);
1087                         Assert.AreEqual (myTicks[7], t1.Ticks, "#C2");
1088                         t1 = DateTime.Parse ("2003/02/01", cultureInfo);
1089                         Assert.AreEqual (myTicks[7], t1.Ticks, "#C3");
1090                         t1 = DateTime.Parse ("01/Feb/03", cultureInfo);
1091                         Assert.AreEqual (myTicks[7], t1.Ticks, "#C4");
1092                         t1 = DateTime.Parse ("Feb/01/03", cultureInfo);
1093                         Assert.AreEqual (myTicks[7], t1.Ticks, "#C5");
1094
1095                         // Year, month day behaviour
1096                         dateFormatInfo.ShortDatePattern = "yyyy/MM/dd";
1097                         t1 = DateTime.Parse ("03/02/01", cultureInfo);
1098                         Assert.AreEqual (myTicks[7], t1.Ticks, "#D1");
1099                         t1 = DateTime.Parse ("02/01/2003", cultureInfo);
1100                         Assert.AreEqual (myTicks[7], t1.Ticks, "#D2");
1101                         t1 = DateTime.Parse ("2003/02/01", cultureInfo);
1102                         Assert.AreEqual (myTicks[7], t1.Ticks, "#D3");
1103                         t1 = DateTime.Parse ("03/Feb/01", cultureInfo);
1104                         Assert.AreEqual (myTicks[7], t1.Ticks, "#D4");
1105                         t1 = DateTime.Parse ("Feb/03/01", cultureInfo);
1106                         Assert.AreEqual (myTicks[7], t1.Ticks, "#D5");
1107
1108                         // Year, day month behaviour
1109                         // Note that no culture I am aware of has this pattern, and indeed
1110                         dateFormatInfo.ShortDatePattern = "yyyy/dd/MM";
1111                         t1 = DateTime.Parse ("03/01/02", cultureInfo);
1112                         Assert.AreEqual (myTicks[7], t1.Ticks, "#E1");
1113                         t1 = DateTime.Parse ("01/02/2003", cultureInfo);
1114                         Assert.AreEqual (myTicks[7], t1.Ticks, "#E2");
1115
1116                         t1 = DateTime.Parse ("2003/01/02", cultureInfo);
1117                         Assert.AreEqual (myTicks[7], t1.Ticks, "#E3");
1118
1119                         // For some reason the following throws an exception on .Net
1120                         // t1 = DateTime.Parse ("03/Feb/01", cultureInfo);
1121                         // Assert.AreEqual (myTicks[7], t1.Ticks, "#E4");
1122                         // t1 = DateTime.Parse ("03/01/Feb", cultureInfo);
1123                         // Assert.AreEqual (myTicks[7], t1.Ticks, "#E5");
1124                         // t1 = DateTime.Parse ("Feb/01/03", cultureInfo);
1125                         // Assert.AreEqual (myTicks[7], t1.Ticks, "#E6");
1126                 }
1127
1128                 [Test]
1129                 public void TestParseWithDifferentMonthDayPatterns ()
1130                 {
1131                         CultureInfo cultureInfo = new CultureInfo("en-US");
1132                         DateTimeFormatInfo dateFormatInfo = cultureInfo.DateTimeFormat;
1133                         DateTime t1 = DateTime.Parse ("Feb 03", cultureInfo);
1134                         Assert.AreEqual (2, t1.Month, "#A1");
1135                         Assert.AreEqual (3, t1.Day, "#A2");
1136
1137                         // Day month behaviour
1138                         dateFormatInfo.MonthDayPattern = "dd/MM";
1139
1140                         t1 = DateTime.Parse ("Feb 03", cultureInfo);
1141                         Assert.AreEqual (2, t1.Month, "#B1");
1142                         Assert.AreEqual (1, t1.Day, "#B2");
1143                         Assert.AreEqual (2003, t1.Year, "#B3");
1144
1145                         t1 = DateTime.Parse ("03/02", cultureInfo);
1146                         Assert.AreEqual (2, t1.Month, "#B6");
1147                         Assert.AreEqual (3, t1.Day, "#B7");
1148                         t1 = DateTime.Parse ("03 Feb", cultureInfo);
1149                         Assert.AreEqual (2, t1.Month, "#B8");
1150                         Assert.AreEqual (3, t1.Day, "#B9");
1151
1152                         // Month day behaviour
1153                         dateFormatInfo.MonthDayPattern = "MM/dd";
1154                         t1 = DateTime.Parse ("Feb 03", cultureInfo);
1155                         Assert.AreEqual (2, t1.Month, "#C1");
1156                         Assert.AreEqual (3, t1.Day, "#C2");
1157                         t1 = DateTime.Parse ("02/03", cultureInfo);
1158                         Assert.AreEqual (2, t1.Month, "#C3");
1159                         Assert.AreEqual (3, t1.Day, "#C4");
1160                         t1 = DateTime.Parse ("03 Feb", cultureInfo);
1161                         Assert.AreEqual (2, t1.Month, "#C5");
1162                         Assert.AreEqual (3, t1.Day, "#C6");
1163                 }
1164
1165                 [Test]
1166                 public void TestParse3 ()
1167                 {
1168                         string s = "Wednesday, 09 June 2004";
1169                         DateTime.ParseExact (s, "dddd, dd MMMM yyyy", CultureInfo.InvariantCulture);
1170                         try {
1171                                 DateTime.ParseExact (s, "dddd, dd MMMM yyyy", new CultureInfo ("ja-JP"));
1172                                 Assert.Fail ("ja-JP culture does not support format \"dddd, dd MMMM yyyy\"");
1173                         } catch (FormatException) {
1174                         }
1175
1176                         // Ok, now we can assume ParseExact() works expectedly.
1177
1178                         DateTime.Parse (s, CultureInfo.InvariantCulture, DateTimeStyles.AllowWhiteSpaces);
1179                         DateTime.Parse (s, new CultureInfo ("ja-JP"), DateTimeStyles.AllowWhiteSpaces);
1180                         //DateTime.Parse (s, null); currently am not sure if it works for _every_ culture.
1181                 }
1182
1183
1184                 [Test] // bug #74936
1185                 public void TestParse4 ()
1186                 {
1187                         try {
1188                                 DateTime.Parse("1");
1189                                 Assert.Fail ("#1");
1190                         } catch (FormatException) {
1191                         }
1192
1193                         try {
1194                                 DateTime.Parse("1000");
1195                                 Assert.Fail ("#2");
1196                         } catch (FormatException) {
1197                         }
1198
1199                         try {
1200                                 DateTime.Parse("8:");
1201                                 Assert.Fail ("#3");
1202                         } catch (FormatException) {
1203                         }
1204                 }
1205
1206                 [Test] // bug #71289
1207                 public void Parse_Bug71289a ()
1208                 {
1209                         DateTime.Parse ("Sat,,,,,, 01 Oct 1994 03:00:00", CultureInfo.InvariantCulture);
1210                 }
1211
1212                 [Test]
1213                 public void Parse_Bug71289b ()
1214                 {
1215                         // more example...
1216                         DateTime.Parse ("Sat,,, 01,,, Oct,,, ,,,1994 03:00:00", CultureInfo.InvariantCulture);
1217                 }
1218
1219                 [Test]
1220                 public void TryParse_Bug11630 ()
1221                 {
1222                         DateTime parsed;
1223
1224                         Assert.IsTrue (DateTime.TryParse ("10Feb2013", out parsed));
1225                         Assert.AreEqual (new DateTime (2013, 2, 10), parsed);
1226                 }
1227
1228                 [Test]
1229                 [ExpectedException (typeof (FormatException))]
1230                 public void Parse_CommaAfterHours ()
1231                 {
1232                         // ',' after 03 is not allowed.
1233                         DateTime.Parse ("Sat,,, 01,,, Oct,,, ,,,1994 03,:00:00", CultureInfo.InvariantCulture);
1234                 }
1235
1236                 [Test] // bug #72788
1237                 public void Parse_Bug72788 ()
1238                 {
1239                         DateTime dt = DateTime.Parse ("21/02/05", new CultureInfo ("fr-FR"));
1240                         Assert.AreEqual (2005, dt.Year, "#1");
1241                         Assert.AreEqual (02, dt.Month, "#2");
1242                         Assert.AreEqual (21, dt.Day, "#3");
1243                 }
1244
1245                 [Test] // bug #322510
1246                 public void Parse_HourDesignator ()
1247                 {
1248                         DateTime dt;
1249                         DateTime now = DateTime.Now;
1250
1251                         dt = DateTime.Parse ("12:00:00 AM", new CultureInfo ("en-US"));
1252                         Assert.AreEqual (now.Year, dt.Year, "#A1");
1253                         Assert.AreEqual (now.Month, dt.Month, "#A2");
1254                         Assert.AreEqual (now.Day, dt.Day, "#A3");
1255                         Assert.AreEqual (0, dt.Hour, "#A4");
1256                         Assert.AreEqual (0, dt.Minute, "#A5");
1257                         Assert.AreEqual (0, dt.Second, "#A6");
1258                         Assert.AreEqual (0, dt.Millisecond, "#A7");
1259
1260                         dt = DateTime.Parse ("12:00:00 PM", new CultureInfo ("en-US"));
1261                         Assert.AreEqual (now.Year, dt.Year, "#B1");
1262                         Assert.AreEqual (now.Month, dt.Month, "#B2");
1263                         Assert.AreEqual (now.Day, dt.Day, "#B3");
1264                         Assert.AreEqual (12, dt.Hour, "#B4");
1265                         Assert.AreEqual (0, dt.Minute, "#B5");
1266                         Assert.AreEqual (0, dt.Second, "#B6");
1267                         Assert.AreEqual (0, dt.Millisecond, "#B7");
1268                 }
1269
1270                 [Test]
1271                 public void Parse_Bug53023b ()
1272                 {
1273                         foreach (CultureInfo ci in CultureInfo.GetCultures (CultureTypes.SpecificCultures)) {
1274                                 try {
1275                                         DateTime.Parse ("01-Sep-05", ci);
1276
1277                                         // FIXME: Our UmAlQuraCalendar/HijriCalendar calendars support month days - 1 only (fail on last day in month)
1278                                         if (ci.Calendar is UmAlQuraCalendar || ci.Calendar is HijriCalendar)
1279                                                 continue;
1280
1281                                         DateTime.Parse ("4:35:35 AM", ci);
1282                                 } catch {
1283                                         Assert.Fail (ci.Name);
1284                                 }
1285                         }
1286                 }
1287
1288                 [Test]
1289                 [ExpectedException (typeof (FormatException))]
1290                 public void Parse_RequireSpaceSeparator ()
1291                 {
1292                         DateTime.Parse ("05:25:132002-02-25", CultureInfo.InvariantCulture);
1293                 }
1294
1295                 [Test]
1296                 [ExpectedException (typeof (FormatException))]
1297                 public void Parse_DontAccept2DigitsYears ()
1298                 {
1299                         // don't allow 2 digit years where we require 4.
1300                         DateTime.ParseExact ("05", "yyyy", CultureInfo.InvariantCulture);
1301                 }
1302
1303                 [Test]
1304                 [ExpectedException (typeof (FormatException))]
1305                 public void Parse_DontAcceptEmptyHours ()
1306                 {
1307                         DateTime.ParseExact (":05", "H:m", CultureInfo.InvariantCulture);
1308                 }
1309
1310                 [Test]
1311                 [ExpectedException (typeof (FormatException))]
1312                 public void Parse_DontAcceptEmptyMinutes ()
1313                 {
1314                         DateTime.ParseExact ("0::0", "H:m:s", CultureInfo.InvariantCulture);
1315                 }
1316
1317                 [Test]
1318                 public void ParseCOMDependentFormat ()
1319                 {
1320                         // Japanese format.
1321                         DateTime.Parse (String.Format (
1322                                 "{0}\u5E74{1}\u6708{2}\u65E5 {3}\u6642{4}\u5206{5}\u79D2",
1323                                 2006, 3, 1, 15, 32, 42), new CultureInfo (""));
1324
1325                         try {
1326                                 // incorrect year mark.
1327                                 DateTime.Parse (String.Format (
1328                                         "{0}\u4E00{1}\u6708{2}\u65E5 {3}\u6642{4}\u5206{5}\u79D2",
1329                                         2006, 3, 1, 15, 32, 42), new CultureInfo (""));
1330                                 Assert.Fail ();
1331                         } catch (FormatException) {
1332                         }
1333                 }
1334
1335                 [Test]
1336                 [ExpectedException(typeof (FormatException))]
1337                 public void ParseFormatException1 ()
1338                 {
1339                         // Following string is not a correct French date i.e.
1340                         // MM/dd/yyyy HH:mm:ss since it expects d/M/yyyy HH:mm:ss
1341                         // instead (however fr-FR accepts both MM/dd/yyyy and
1342                         // dd/MM/yyyy, which means that we can't just throw exceptions
1343                         // on overflow).
1344                         String frDateTime = "11/13/2003 11:28:15";
1345                         IFormatProvider format = new CultureInfo("fr-FR", true);
1346                         DateTime t1 = DateTime.Parse(frDateTime, format);
1347                 }
1348
1349                 [Test]
1350                 [ExpectedException(typeof (FormatException))]
1351                 public void ParseFormatExceptionForInvalidYear ()
1352                 {
1353                         // Bug #77633.  In .NET 1..1, the expected exception is ArgumentOutOfRangeException
1354                         // In .NET 2.0, the expected exception is FormatException
1355                         // build a string with the year of 5 digits
1356                         string s = "1/1/10000";
1357                         DateTime dt = DateTime.Parse (s);
1358                 }
1359
1360                 [Test]
1361                 public void TestOA ()
1362                 {
1363                         double number=5000.41443;
1364                         DateTime d = DateTime.FromOADate(number);
1365                         DTAssertEquals (d, new DateTime(1913, 9, 8, 9, 56, 46, 0), Resolution.Second, "#1");
1366                         Assert.AreEqual (d.ToOADate(), number, "#2");
1367                 }
1368
1369                 [Test]
1370                 public void ParseAllowsQueerString ()
1371                 {
1372                         DateTime.Parse ("Sat,,,,,, 01 Oct 1994 03:00:00", CultureInfo.InvariantCulture);
1373                 }
1374
1375                 [Test]
1376                 public void ParseUtcNonUtc ()
1377                 {
1378                         Thread.CurrentThread.CurrentCulture = new CultureInfo ("es-ES");
1379
1380                         CultureInfo ci;
1381                         string s, s2, s3, d;
1382                         DateTime dt;
1383                         DateTimeFormatInfo dfi = DateTimeFormatInfo.InvariantInfo;
1384                         s = dfi.UniversalSortableDateTimePattern;
1385                         s2 = "r";
1386
1387                         s3 = "s";
1388
1389                         long tick1 = 631789220960000000; // 2003-01-23 12:34:56 as is
1390                         long tick2 = TimeZone.CurrentTimeZone.ToLocalTime (new DateTime (tick1)).Ticks; // adjusted to local time
1391
1392                         // invariant
1393                         ci = CultureInfo.InvariantCulture;
1394
1395                         d = "2003/01/23 12:34:56";
1396                         dt = DateTime.Parse (d, ci);
1397                         Assert.AreEqual (tick1, dt.Ticks, "#1:" + d);
1398
1399                         d = "2003/01/23 12:34:56 GMT";
1400                         dt = DateTime.Parse (d, ci);
1401                         Assert.AreEqual (tick2, dt.Ticks, "#2:" + d);
1402
1403                         d = "Thu, 23 Jan 2003 12:34:56 GMT";
1404                         dt = DateTime.ParseExact (d, s2, ci);
1405                         Assert.AreEqual (tick1, dt.Ticks, "#3:" + d);
1406
1407                         d = "2003-01-23 12:34:56Z";
1408                         dt = DateTime.ParseExact (d, s, ci);
1409                         Assert.AreEqual (tick1, dt.Ticks, "#4:" + d);
1410
1411                         d = "2003-01-23T12:34:56";
1412                         dt = DateTime.ParseExact (d, s3, ci);
1413                         Assert.AreEqual (tick1, dt.Ticks, "#5:" + d);
1414
1415                         // ja-JP ... it should be culture independent
1416                         ci = new CultureInfo ("ja-JP");
1417
1418                         d = "2003/01/23 12:34:56";
1419                         dt = DateTime.Parse (d, ci);
1420                         Assert.AreEqual (tick1, dt.Ticks, "#6:" + d);
1421
1422                         d = "2003/01/23 12:34:56 GMT";
1423                         dt = DateTime.Parse (d, ci);
1424                         Assert.AreEqual (tick2, dt.Ticks, "#7:" + d);
1425
1426                         d = "Thu, 23 Jan 2003 12:34:56 GMT";
1427                         dt = DateTime.ParseExact (d, s2, ci);
1428                         Assert.AreEqual (tick1, dt.Ticks, "#8:" + d);
1429
1430                         d = "2003-01-23 12:34:56Z";
1431                         dt = DateTime.ParseExact (d, s, ci);
1432                         Assert.AreEqual (tick1, dt.Ticks, "#9:" + d);
1433
1434                         d = "2003-01-23T12:34:56";
1435                         dt = DateTime.ParseExact (d, s3, ci);
1436                         Assert.AreEqual (tick1, dt.Ticks, "#10:" + d);
1437                 }
1438
1439                 [Test]
1440                 public void TimeZoneAdjustment ()
1441                 {
1442                         CultureInfo ci = Thread.CurrentThread.CurrentCulture;
1443                         try {
1444                                 Thread.CurrentThread.CurrentCulture = new CultureInfo ("en-US");
1445                                 DateTime d1 = DateTime.ParseExact ("2004/06/30", "yyyy/MM/dd", null);
1446                                 DateTime d2 = DateTime.ParseExact ("2004/06/30Z", "yyyy/MM/dd'Z'", null);
1447                                 DateTime d3 = DateTime.ParseExact ("Wed, 30 Jun 2004 00:00:00 GMT", "ddd, dd MMM yyyy HH':'mm':'ss 'GMT'", null);
1448                                 DateTime d4 = DateTime.ParseExact ("2004-06-30 00:00:00Z", "yyyy'-'MM'-'dd HH':'mm':'ss'Z'", null);
1449                                 StringWriter sw = new StringWriter ();
1450                                 sw.Write ("{0} {1}", d1.Ticks, d1);
1451                                 Assert.AreEqual ("632241504000000000 6/30/2004 12:00:00 AM", sw.ToString (), "#1");
1452                                 sw.GetStringBuilder ().Length = 0;
1453                                 sw.Write ("{0} {1}", d2.Ticks, d2);
1454                                 Assert.AreEqual ("632241504000000000 6/30/2004 12:00:00 AM", sw.ToString (), "#2");
1455                                 sw.GetStringBuilder ().Length = 0;
1456                                 sw.Write ("{0} {1}", d3.Ticks, d3);
1457                                 Assert.AreEqual ("632241504000000000 6/30/2004 12:00:00 AM", sw.ToString (), "#3");
1458                                 sw.GetStringBuilder ().Length = 0;
1459                                 sw.Write ("{0} {1}", d4.Ticks, d4);
1460                                 Assert.AreEqual ("632241504000000000 6/30/2004 12:00:00 AM", sw.ToString (), "#4");
1461                         } finally {
1462                                 Thread.CurrentThread.CurrentCulture = ci;
1463                         }
1464
1465                         // bug #76082
1466                         Assert.AreEqual (DateTime.MinValue, DateTime.ParseExact ("00010101T00:00:00",
1467                                         "yyyyMMdd'T'HH':'mm':'ss", DateTimeFormatInfo.InvariantInfo), "#5");
1468                 }
1469
1470                 [Test]
1471                 public void DateTimeStylesAdjustToUniversal ()
1472                 {
1473                         // bug #75995 : AdjustToUniversal
1474                         DateTime t1 = DateTime.Parse ("2005-09-05T22:29:00Z",
1475                                 CultureInfo.InvariantCulture,
1476                                 DateTimeStyles.AdjustToUniversal);
1477                         Assert.AreEqual ("2005-09-05 22:29:00Z", t1.ToString ("u"));
1478                 }
1479
1480                 [Test]
1481                 [ExpectedException (typeof (ArgumentException))]
1482                 public void FromOADate_Min ()
1483                 {
1484                         // minimum documented value isn't inclusive
1485                         DateTime.FromOADate (-657435.0d);
1486                 }
1487
1488                 [Test]
1489                 [ExpectedException (typeof (ArgumentException))]
1490                 public void FromOADate_Max ()
1491                 {
1492                         // maximum documented value isn't inclusive
1493                         DateTime.FromOADate (2958466.0d);
1494                 }
1495
1496                 [Test]
1497                 public void FromOADate ()
1498                 {
1499                         // Note: OA (OLE Automation) dates aren't timezone sensitive
1500                         Assert.AreEqual (599264352000000000, DateTime.FromOADate (0.0d).Ticks, "#1");
1501                         Assert.AreEqual (31242239136000000, DateTime.FromOADate (-657434.999d).Ticks, "#2");
1502                         Assert.AreEqual (3155378975136000000, DateTime.FromOADate (2958465.999d).Ticks, "#3");
1503                 }
1504
1505                 [Test]
1506                 public void ToOADate ()
1507                 {
1508                         // Note: OA (OLE Automation) dates aren't timezone sensitive
1509                         DateTime d = new DateTime (0);
1510                         Assert.AreEqual (0.0d, d.ToOADate (), "#1");
1511                         d = new DateTime (599264352000000000);
1512                         Assert.AreEqual (0.0d, d.ToOADate (), "#2");
1513                         d = new DateTime (31242239136000000);
1514                         Assert.AreEqual (-657434.999d, d.ToOADate (), "#3");
1515                         d = new DateTime (3155378975136000000);
1516                         Assert.AreEqual (2958465.999d, d.ToOADate (), "#4");
1517                 }
1518
1519                 [Test]
1520                 public void ToOADate_OverMax ()
1521                 {
1522                         DateTime d = new DateTime (3155378975136000001);
1523                         Assert.AreEqual (2958465.999d, d.ToOADate ());
1524                 }
1525
1526                 [Test]
1527                 [Ignore ("This test is probably geo location dependent, at least fails on .NET 4.0 in Japan")]
1528                 public void ToOADate_MaxValue ()
1529                 {
1530                         Assert.AreEqual (2958465.99999999d, DateTime.MaxValue.ToOADate ());
1531                 }
1532
1533                 [Test]
1534                 public void ToOADate_UnderMin ()
1535                 {
1536                         DateTime d = new DateTime (31242239135999999);
1537                         Assert.AreEqual (-657434.999d, d.ToOADate ());
1538                 }
1539
1540                 [Test]
1541                 public void ToOADate_MinValue ()
1542                 {
1543                         Assert.AreEqual (0, DateTime.MinValue.ToOADate ());
1544                 }
1545
1546                 [Test] // bug52075
1547                 public void MaxValueYear ()
1548                 {
1549                         Assert.AreEqual ("9999", DateTime.MaxValue.Year.ToString ());
1550                 }
1551
1552                 [Test]
1553                 public void X509Certificate ()
1554                 {
1555                         // if this test fails then *ALL* or *MOST* X509Certificate tests will also fails
1556                         DateTime dt = DateTime.ParseExact ("19960312183847Z", "yyyyMMddHHmmssZ", null);
1557                         Assert.AreEqual (DateTimeKind.Local, dt.Kind, "#1");
1558                         dt = dt.ToUniversalTime ();
1559                         Assert.AreEqual (DateTimeKind.Utc, dt.Kind, "#2");
1560                         Assert.AreEqual ("03/12/1996 18:38:47", dt.ToString (), "#3");
1561
1562                         // technically this is invalid (PKIX) because of the missing seconds but it exists so...
1563                         dt = DateTime.ParseExact ("9602231915Z", "yyMMddHHmmZ", null);
1564                         Assert.AreEqual (DateTimeKind.Local, dt.Kind, "#4");
1565                         dt = dt.ToUniversalTime ();
1566                         Assert.AreEqual (DateTimeKind.Utc, dt.Kind, "#5");
1567                         Assert.AreEqual ("02/23/1996 19:15:00", dt.ToString (), "#6");
1568
1569                         dt = DateTime.ParseExact ("19960312183847Z", "yyyyMMddHHmmssZ", null, DateTimeStyles.AdjustToUniversal);
1570                         Assert.AreEqual (DateTimeKind.Utc, dt.Kind, "#7");
1571                 }
1572
1573                 [Test]
1574                 public void ZLiteral ()
1575                 {
1576                         // However, "Z" and "'Z'" are different.
1577                         DateTime dt = DateTime.ParseExact ("19960312183847Z", "yyyyMMddHHmmss'Z'", null);
1578                         DateTime dtz = DateTime.ParseExact ("19960312183847Z", "yyyyMMddHHmmssZ", null);
1579                         Assert.AreEqual (DateTimeKind.Unspecified, dt.Kind, "#1");
1580                         dt = dt.ToLocalTime ();
1581                         Assert.AreEqual (DateTimeKind.Local, dt.Kind, "#2");
1582                         Assert.AreEqual (DateTimeKind.Local, dtz.Kind, "#3");
1583                         Assert.AreEqual (dt, dtz, "#4");
1584                 }
1585
1586                 [Test] // bug 56436
1587                 public void QuotedFormat ()
1588                 {
1589                         string date = "28/Mar/2004:19:12:37 +0200";
1590                         string [] expectedFormats = {"dd\"/\"MMM\"/\"yyyy:HH:mm:ss zz\"00\""};
1591                         DateTime.ParseExact (date, expectedFormats, null, DateTimeStyles.AllowWhiteSpaces);
1592                 }
1593
1594                 [Test]
1595                 public void CultureIndependentTests ()
1596                 {
1597                         // Here I aggregated some tests mainly because of test
1598                         // performance (iterating all the culture is heavy process).
1599
1600                         for (int i = 0; i < 32768; i++) {
1601                                 CultureInfo ci = null;
1602                                 string stage = "init";
1603                                 try {
1604                                         try {
1605                                                 ci = new CultureInfo (i);
1606                                                 // In fact InvatiantCulture is not neutral.
1607                                                 // See bug #59716.
1608                                                 if (ci.IsNeutralCulture && ci != CultureInfo.InvariantCulture)
1609                                                         continue;
1610                                         } catch (Exception) {
1611                                                 continue;
1612                                         }
1613                                         Thread.CurrentThread.CurrentCulture = ci;
1614                                         DateTime dt;
1615
1616                                         switch (ci.LCID) {
1617                                         case 1025: // ar-SA
1618                                         case 2559: // qps-plocm
1619                                                 continue; // fails too many tests below on .NET.
1620                                         }
1621
1622                                         // Common patterns
1623                                         // X509Certificate pattern is _always_ accepted.
1624                                         stage = "1";
1625                                         dt = DateTime.ParseExact ("19960312183847Z", "yyyyMMddHHmmssZ", null);
1626
1627                                         stage = "2";
1628                                         // fails with many cultures on .NET.
1629         //                              if (i != 127)
1630         //                                      dt = DateTime.Parse ("19960312183847Z");
1631
1632                                         stage = "3";
1633                                         dt = DateTime.Parse ("2004-05-26T03:29:01.1234567");
1634                                         stage = "4";
1635                                         dt = DateTime.Parse ("2004-05-26T03:29:01.1234567-07:00");
1636
1637                                         // memo: the least LCID is 127, and then 1025(ar-SA)
1638
1639                                         // "th-TH" locale rejects them since in
1640                                         // ThaiBuddhistCalendar the week of a day is different.
1641                                         // (and also for years).
1642                                         switch (ci.LCID) {
1643                                         case 1054:
1644                                         case 1128: // ha-Latn-NG
1645                                                 break;
1646                                         default:
1647                                                 try {
1648                                                         stage = "5";
1649                                                         dt = DateTime.Parse ("Sat, 29 Oct 1994 12:00:00 GMT", ci);
1650                                                 } catch (FormatException ex) {
1651                                                         Assert.Fail (String.Format ("stage 5.1 RFC1123: culture {0} {1} failed: {2}", i, ci, ex.Message));
1652                                                 }
1653
1654                                                 // bug #47720
1655                                                 if (dt != TimeZone.CurrentTimeZone.ToUniversalTime (dt))
1656                                                         Assert.IsTrue (12 != dt.Hour, String.Format ("bug #47720 on culture {0} {1}", ci.LCID, ci));
1657
1658                                                 // variant of RFC1123
1659                                                 try {
1660                                                         stage = "6";
1661                                                         dt = DateTime.Parse ("Sat, 1 Oct 1994 03:00:00", ci);
1662                                                 } catch (FormatException ex) {
1663                                                         Assert.Fail (String.Format ("stage 6.1 RFC1123 variant: culture {0} {1} failed: {2}", i, ci, ex.Message));
1664                                                 }
1665                                                 stage = "7";
1666                                                 Assert.AreEqual (3, dt.Hour, String.Format ("stage 7.1 RFC1123 variant on culture {0} {1}", ci.LCID, ci));
1667                                                 break;
1668                                         }
1669
1670                                         switch (ci.LCID) {
1671                                         case 1054: // th-TH
1672                                         case 1123: // ps-AF
1673                                         case 1125: // div-MV
1674                                         case 1164: // prs-AF
1675                                                 break;
1676                                         default:
1677                                                 stage = "8";
1678                                                 // 02/25/2002 04:25:13 as is
1679                                                 long tick1 = 631502079130000000;
1680                                                 long tick2 = TimeZone.CurrentTimeZone.ToLocalTime (new DateTime (tick1)).Ticks; // adjusted to local time
1681                                                 dt = DateTime.Parse ("Mon, 25 Feb 2002 04:25:13 GMT", ci);
1682                                                 Assert.AreEqual (tick2, dt.Ticks, String.Format ("GMT variant. culture={0} {1}", i, ci));
1683                                                 break;
1684                                         }
1685
1686
1687                                         // ka-GE rejects these formats under MS.NET.
1688                                         // I wonder why. Also, those tests fail under .NET 1.0.
1689                                         if (ci.LCID != 1079) {
1690                                                 stage = "9";
1691                                                 dt = DateTime.Parse ("2002-02-25");
1692                                                 stage = "10";
1693                                                 dt = DateTime.Parse ("2002-02-25Z");
1694                                                 stage = "11";
1695                                                 dt = DateTime.Parse ("2002-02-25T19:20:00+09:00");
1696                                                 switch (ci.LCID) {
1697                                                 case 1038: // FIXME: MS passes this culture.
1698                                                 case 1062: // FIXME: MS passes this culture.
1699                                                 case 1078: // MS does not pass this culture. Dunno why.
1700                                                         break;
1701                                                 default:
1702                                                         break;
1703                                                 }
1704                                                 stage = "14";
1705                                                 dt = DateTime.Parse ("2002-02-25 12:01:03");
1706                                                 stage = "17";
1707                                                 if (ci.DateTimeFormat.TimeSeparator != ".")
1708                                                         dt = DateTime.Parse ("2002.02.25 12:01:03");
1709                                                 stage = "18";
1710                                                 dt = DateTime.Parse ("2003/01/23 01:34:56 GMT");
1711                                                 dt = TimeZone.CurrentTimeZone.ToUniversalTime (dt);
1712                                                 Assert.AreEqual (1, dt.Hour, String.Format ("stage 18.1 RFC1123 UTC {0} {1}", i, ci));
1713                                                 stage = "19";
1714                                                 // This test was fixed from 12:34:56 to
1715                                                 // 01:34:56 since 1078 af-ZA failed
1716                                                 // because of hour interpretation
1717                                                 // difference (af-ZA expects 0).
1718                                                 // (IMHO it is MS BUG though.)
1719                                                 dt = DateTime.Parse ("2003/01/23 12:34:56 GMT");
1720                                                 dt = TimeZone.CurrentTimeZone.ToUniversalTime (dt);
1721                                                 if (i != 1078)
1722                                                         Assert.AreEqual (12, dt.Hour, String.Format ("stage 18.1 RFC1123 UTC {0} {1}", i, ci));
1723                                         }
1724                                 } catch (FormatException ex) {
1725                                         Assert.Fail (String.Format ("stage {3}: Culture {0} {1} failed: {2}", i, ci, ex.Message, stage));
1726                                 }
1727                         }
1728                 }
1729
1730                 [Test]
1731                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
1732                 public void ToFileTime_MinValue ()
1733                 {
1734                         DateTime.FromFileTime (Int64.MinValue);
1735                 }
1736
1737                 [Test]
1738                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
1739                 public void ToFileTime_Negative ()
1740                 {
1741                         DateTime.FromFileTime (-1);
1742                 }
1743
1744                 [Test]
1745                 public void ToFileTime ()
1746                 {
1747                         long u = DateTime.FromFileTimeUtc (0).Ticks;
1748                         Assert.AreEqual (504911232000000000, u, "#A1");
1749                         long max = DateTime.MaxValue.Ticks - 504911232000000000; // w32file_epoch
1750                         Assert.AreEqual (3155378975999999999, DateTime.FromFileTimeUtc (max).Ticks, "#A2");
1751
1752                         long t = DateTime.FromFileTime (0).Ticks;
1753                         Assert.IsTrue (t > (u - TimeSpan.TicksPerDay), "#B1");
1754                         Assert.IsTrue (t < (u + TimeSpan.TicksPerDay), "#B2");
1755                 }
1756
1757                 [Test]
1758                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
1759                 public void ToFileTimeUtc_MinValue ()
1760                 {
1761                         DateTime.FromFileTimeUtc (Int64.MinValue);
1762                 }
1763
1764                 [Test]
1765                 [ExpectedException (typeof (ArgumentOutOfRangeException))]
1766                 public void ToFileTimeUtc_Negative ()
1767                 {
1768                         DateTime.FromFileTimeUtc (-1);
1769                 }
1770
1771                 [Test]
1772                 public void ToFileTimeUtc ()
1773                 {
1774                         // Randomly generated time outside DST.
1775                         var utc = new DateTime (1993, 01, 28, 08, 49, 48, DateTimeKind.Utc);
1776                         var local = utc.ToLocalTime ();
1777                         var unspecified = new DateTime (1993, 01, 28, 08, 49, 48);
1778
1779                         Assert.AreEqual (DateTimeKind.Utc, utc.Kind);
1780                         Assert.AreEqual (DateTimeKind.Local, local.Kind);
1781                         Assert.AreEqual (DateTimeKind.Unspecified, unspecified.Kind);
1782
1783                         Assert.AreEqual (628638077880000000, utc.Ticks);
1784                         Console.WriteLine (local.Ticks - utc.Ticks);
1785
1786                         var offset = TimeZone.CurrentTimeZone.GetUtcOffset (local);
1787
1788                         var utcFt = utc.ToFileTime ();
1789                         var localFt = local.ToFileTime ();
1790                         var unspecifiedFt = unspecified.ToFileTime ();
1791
1792                         var utcUft = utc.ToFileTimeUtc ();
1793                         var localUft = local.ToFileTimeUtc ();
1794                         var unspecifiedUft = unspecified.ToFileTimeUtc ();
1795
1796                         Assert.AreEqual (123726845880000000, utcFt);
1797                         Assert.AreEqual (utcFt, localFt);
1798
1799                         Assert.AreEqual (offset.Ticks, utcFt - unspecifiedFt);
1800
1801                         Assert.AreEqual (utcFt, utcUft);
1802                         Assert.AreEqual (utcFt, localUft);
1803                         Assert.AreEqual (utcFt, unspecifiedUft);
1804                 }
1805
1806                 [Test]
1807                 public void FromFileTimeUtcTest ()
1808                 {
1809                         DateTime dt = DateTime.FromFileTimeUtc (123456);
1810                         Assert.AreEqual (dt.Kind, DateTimeKind.Utc, "#Kind");
1811                         Assert.AreEqual (dt.Ticks, 504911232000123456, "#Ticks");
1812                 }
1813
1814                 [Test]
1815                 public void Milliseconds ()
1816                 {
1817                         DateTime dt = DateTime.Parse ("2004-05-26T03:29:01.1234567-07:00");
1818                         dt = TimeZone.CurrentTimeZone.ToUniversalTime (dt);
1819                         Assert.AreEqual (632211641411234567, dt.Ticks);
1820                 }
1821
1822                 [Test]
1823                 [ExpectedException (typeof (FormatException))]
1824                 public void ParseNotExact ()
1825                 {
1826                         // The error reported is:
1827                         // String was not recognized as valid DateTime
1828                         DateTime dt = DateTime.Parse ("2004-05-26T03:29:01-07:00 foo");
1829                         dt = TimeZone.CurrentTimeZone.ToUniversalTime (dt);
1830                         Assert.AreEqual (632211641410000000, dt.Ticks);
1831                 }
1832
1833                 [Test]
1834                 public void ParseExact_Bug80094 ()
1835                 {
1836                         // we can safely change the curernt culture, as the original value will
1837                         // be restored on TearDown
1838                         Thread.CurrentThread.CurrentCulture = new CultureInfo ("ja-JP");
1839                         string y = string.Format ("{0}-{1}-{2} {3}", DateTime.Now.Year.ToString (),
1840                                 "11", "29", "06:34");
1841                         DateTime date = DateTime.ParseExact (y, "yyyy-MMM-dd hh:mm", null);
1842                         Assert.AreEqual (DateTime.Now.Year, date.Year, "#1");
1843                         Assert.AreEqual (11, date.Month, "#2");
1844                         Assert.AreEqual (29, date.Day, "#3");
1845                         Assert.AreEqual (6, date.Hour, "#4");
1846                         Assert.AreEqual (34, date.Minute, "#5");
1847                         Assert.AreEqual (0, date.Second, "#6");
1848                         Assert.AreEqual (0, date.Millisecond, "#7");
1849                 }
1850
1851                 [Test]
1852                 public void ParseExact_Bug324845 ()
1853                 {
1854                         DateTime ctime = new DateTime (2007, 7, 23, 19, 19, 45);
1855                         ctime = ctime.ToUniversalTime ();
1856                         string instr = ctime.ToString ("yyyyMMddHHmmss");
1857
1858                         DateTime t = DateTime.ParseExact (instr, "yyyyMMddHHmmss", null, DateTimeStyles.AssumeUniversal);
1859                         Assert.AreEqual (2007, t.Year);
1860                         Assert.AreEqual (7, t.Month);
1861                         Assert.AreEqual (23, t.Day);
1862                         Assert.AreEqual (19, t.Hour);
1863                         Assert.AreEqual (19, t.Minute);
1864                         Assert.AreEqual (45, t.Second);
1865
1866                 }
1867
1868                 [Test]
1869                 [ExpectedException (typeof (FormatException))]
1870                 public void ParseExactIsExact()
1871                 {
1872                         DateTime.ParseExact ("2004-05-26T03:29:01-07:00 foo", "yyyy-MM-ddTHH:mm:sszzz", null);
1873                 }
1874
1875                 [Test]
1876                 [ExpectedException (typeof (FormatException))]
1877                 public void ParseExactDoesNotEatZ ()
1878                 {
1879                         DateTime.ParseExact ("2004-05-26T03:29:01", "yyyy-MM-ddTHH:mm:ssZ", null);
1880                 }
1881
1882                 [Test]
1883                 public void ParseExactMilliseconds ()
1884                 {
1885                         DateTime dt = DateTime.ParseExact ("2004-05-26T03:29:01.1234567-07:00", "yyyy-MM-ddTHH:mm:ss.fffffffzzz", null);
1886                         dt = TimeZone.CurrentTimeZone.ToUniversalTime (dt);
1887                         Assert.AreEqual (632211641411234567, dt.Ticks);
1888                 }
1889
1890                 [Test]
1891                 public void NoColonTimeZone ()
1892                 {
1893                         Assert.IsTrue (DateTime.Parse ("2004-05-26T03:29:01-0700").Ticks
1894                                 != DateTime.Parse ("2004-05-26T03:29:01-0800").Ticks);
1895                 }
1896
1897                 [Test]
1898                 public void WithColonTimeZone ()
1899                 {
1900                         Assert.IsTrue (DateTime.Parse ("2004-05-26T03:29:01-07:00").Ticks
1901                                 != DateTime.Parse ("2004-05-26T03:29:01-08:00").Ticks);
1902                 }
1903
1904                 [Test]
1905                 [ExpectedException (typeof (FormatException))]
1906                 public void EmptyFormatPattern ()
1907                 {
1908                         DateTime.ParseExact (String.Empty, String.Empty, null);
1909                 }
1910
1911                 [Test]
1912                 [ExpectedException (typeof (InvalidCastException))]
1913                 public void IConvertible_ToType_Boolean ()
1914                 {
1915                         ((IConvertible)DateTime.Now).ToType (typeof (bool), null);
1916                 }
1917
1918                 [Test]
1919                 [ExpectedException (typeof (InvalidCastException))]
1920                 public void IConvertible_ToType_Byte ()
1921                 {
1922                         ((IConvertible)DateTime.Now).ToType (typeof (byte), null);
1923                 }
1924
1925                 [Test]
1926                 [ExpectedException (typeof (InvalidCastException))]
1927                 public void IConvertible_ToType_Char ()
1928                 {
1929                         ((IConvertible)DateTime.Now).ToType (typeof (char), null);
1930                 }
1931
1932                 [Test]
1933                 public void IConvertible_ToType_DateTime ()
1934                 {
1935                         DateTime dt = DateTime.Now;
1936                         DateTime dt2 = (DateTime) ((IConvertible)dt).ToType (typeof (DateTime), null);
1937                         Assert.IsTrue (dt.Equals (dt2));
1938                 }
1939
1940                 [Test]
1941                 [ExpectedException (typeof (InvalidCastException))]
1942                 public void IConvertible_ToType_DBNull ()
1943                 {
1944                         ((IConvertible)DateTime.Now).ToType (typeof (DBNull), null);
1945                 }
1946
1947                 [Test]
1948                 [ExpectedException (typeof (InvalidCastException))]
1949                 public void IConvertible_ToType_Decimal ()
1950                 {
1951                         ((IConvertible)DateTime.Now).ToType (typeof (decimal), null);
1952                 }
1953
1954                 [Test]
1955                 [ExpectedException (typeof (InvalidCastException))]
1956                 public void IConvertible_ToType_Double ()
1957                 {
1958                         ((IConvertible)DateTime.Now).ToType (typeof (double), null);
1959                 }
1960
1961                 [Test]
1962                 [ExpectedException (typeof (ArgumentNullException))]
1963                 public void IConvertible_ToType_Empty ()
1964                 {
1965                         ((IConvertible)DateTime.Now).ToType (null, null);
1966                 }
1967
1968                 [Test]
1969                 [ExpectedException (typeof (InvalidCastException))]
1970                 public void IConvertible_ToType_Int16 ()
1971                 {
1972                         ((IConvertible)DateTime.Now).ToType (typeof (short), null);
1973                 }
1974
1975                 [Test]
1976                 [ExpectedException (typeof (InvalidCastException))]
1977                 public void IConvertible_ToType_Int32 ()
1978                 {
1979                         ((IConvertible)DateTime.Now).ToType (typeof (int), null);
1980                 }
1981
1982                 [Test]
1983                 [ExpectedException (typeof (InvalidCastException))]
1984                 public void IConvertible_ToType_Int64 ()
1985                 {
1986                         ((IConvertible)DateTime.Now).ToType (typeof (long), null);
1987                 }
1988
1989                 [Test]
1990                 public void IConvertible_ToType_Object ()
1991                 {
1992                         DateTime dt = DateTime.Now;
1993                         object o = ((IConvertible)dt).ToType (typeof (object), null);
1994                         Assert.IsTrue (dt.Equals (o));
1995                 }
1996
1997                 [Test]
1998                 [ExpectedException (typeof (InvalidCastException))]
1999                 public void IConvertible_ToType_SByte ()
2000                 {
2001                         ((IConvertible)DateTime.Now).ToType (typeof (sbyte), null);
2002                 }
2003
2004                 [Test]
2005                 [ExpectedException (typeof (InvalidCastException))]
2006                 public void IConvertible_ToType_Single ()
2007                 {
2008                         ((IConvertible)DateTime.Now).ToType (typeof (float), null);
2009                 }
2010
2011                 [Test]
2012                 public void IConvertible_ToType_String ()
2013                 {
2014                         DateTime dt = DateTime.Now;
2015                         string s = (string) ((IConvertible)dt).ToType (typeof (string), null);
2016                         Assert.AreEqual (s, dt.ToString ());
2017                 }
2018
2019                 [Test]
2020                 [ExpectedException (typeof (InvalidCastException))]
2021                 public void IConvertible_ToType_UInt16 ()
2022                 {
2023                         ((IConvertible)DateTime.Now).ToType (typeof (ushort), null);
2024                 }
2025
2026                 [Test]
2027                 [ExpectedException (typeof (InvalidCastException))]
2028                 public void IConvertible_ToType_UInt32 ()
2029                 {
2030                         ((IConvertible)DateTime.Now).ToType (typeof (uint), null);
2031                 }
2032
2033                 [Test]
2034                 [ExpectedException (typeof (InvalidCastException))]
2035                 public void IConvertible_ToType_UInt64 ()
2036                 {
2037                         ((IConvertible)DateTime.Now).ToType (typeof (ulong), null);
2038                 }
2039
2040                 [Test]
2041                 public void Bug352210 ()
2042                 {
2043                         DateTime dt = DateTime.ParseExact ("2007-06-15T10:30:10.5", "yyyy-MM-ddTHH:mm:ss.f", null);
2044                         Assert.AreEqual (633175002105000000, dt.Ticks, "#1");
2045                         Assert.AreEqual (DateTimeKind.Unspecified, dt.Kind, "#2");
2046                 }
2047
2048                 [Test]
2049                 public void Bug352210_New ()
2050                 {
2051                         long ticksUTC = 633377759060000000;
2052                         long ticksLocal = ticksUTC + TimeZone.CurrentTimeZone.GetUtcOffset (new DateTime (ticksUTC)).Ticks;
2053                         CultureInfo ci = CultureInfo.InvariantCulture;
2054                         DateTime dt;
2055
2056                         // Should return same time with Unspecified kind
2057                         dt = DateTime.ParseExact ("2008-02-05 02:38:26", "yyyy-MM-dd HH:mm:ss", ci);
2058                         Assert.AreEqual (DateTimeKind.Unspecified, dt.Kind, "A1");
2059                         Assert.AreEqual (ticksUTC, dt.Ticks, "A2");
2060
2061                         // Should return same time with Unspecified kind
2062                         dt = DateTime.ParseExact ("2008-02-05 02:38:26Z", "u", ci);
2063                         Assert.AreEqual (DateTimeKind.Unspecified, dt.Kind, "B1");
2064                         Assert.AreEqual (ticksUTC, dt.Ticks, "B2");
2065
2066                         // Should adjust to local time with Local kind
2067                         dt = DateTime.ParseExact ("2008-02-05 00:38:26-02:00", "yyyy-MM-dd HH:mm:ssK", ci);
2068                         Assert.AreEqual (DateTimeKind.Local, dt.Kind, "C1");
2069                         Assert.AreEqual (ticksLocal, dt.Ticks, "C2");
2070
2071                         // Should ignore AssumeUniversal since a timezone specifier is in the format string
2072                         // and return time adjusted to local time with Local kind
2073                         dt = DateTime.ParseExact ("2008-02-05 00:38:26 -2", "yyyy-MM-dd HH:mm:ss z", ci, DateTimeStyles.AssumeUniversal);
2074                         Assert.AreEqual (DateTimeKind.Local, dt.Kind, "D1");
2075                         Assert.AreEqual (ticksLocal, dt.Ticks, "D2");
2076
2077                         try {
2078                                 // GMT in format string can be used to specify time zone
2079                                 dt = DateTime.ParseExact ("2008-02-05 02:38:26 GMT", "yyyy-MM-dd HH:mm:ss GMT", ci);
2080                                 Assert.AreEqual (DateTimeKind.Local, dt.Kind, "E1");
2081                                 Assert.AreEqual (ticksLocal, dt.Ticks, "E2");
2082                         }
2083                         catch {
2084                                 Assert.Fail ("E3");
2085                         }
2086
2087                         try {
2088                                 // Same as above even when surrounded with other characters
2089                                 dt = DateTime.ParseExact ("2008-02-05 02:38:26 qqGMTqq", "yyyy-MM-dd HH:mm:ss qqGMTqq", ci);
2090                                 Assert.AreEqual (DateTimeKind.Local, dt.Kind, "F1");
2091                                 Assert.AreEqual (ticksLocal, dt.Ticks, "F2");
2092                         }
2093                         catch {
2094                                 Assert.Fail ("F3");
2095                         }
2096
2097                         try {
2098                                 // But single quoted GMT in format string should not specify time zone
2099                                 dt = DateTime.ParseExact ("2008-02-05 02:38:26 GMT", "yyyy-MM-dd HH:mm:ss 'GMT'", ci);
2100                                 Assert.AreEqual (DateTimeKind.Unspecified, dt.Kind, "G1");
2101                                 Assert.AreEqual (ticksUTC, dt.Ticks, "G2");
2102                         }
2103                         catch {
2104                                 Assert.Fail ("G3");
2105                         }
2106
2107                         dt = DateTime.Parse ("GMT 2008-02-05 02:38:26", ci);
2108                         Assert.AreEqual (DateTimeKind.Local, dt.Kind, "H1");
2109                         Assert.AreEqual (ticksLocal, dt.Ticks, "H2");
2110                 }
2111
2112                 [Test]
2113                 public void Bug377042 ()
2114                 {
2115                         string [] f = new string [] {
2116                                 "yyyy-MM-ddTHH:mm:ssZ",
2117                                 "yyyy-MM-ddTHH:mm:sszzzz",
2118                                 "yyyy-MM-dd"
2119                                 };
2120                         DateTimeStyles dts = DateTimeStyles.AdjustToUniversal;
2121                         dts |= DateTimeStyles.AssumeUniversal;
2122                         DateTime result = DateTime.ParseExact ("2005-01-01T01:11:11+8:00", f, new DateTimeFormatInfo (), dts);
2123                 }
2124
2125         [Test]
2126         public void TestParseExactXmlTimeFormats()
2127         {
2128             //Xamarin Bug 16742
2129             string[] xmlTimeFormats = {
2130                 "HH:mm:ss", "HH:mm:ss.FFFFFFF",
2131                 "HH:mm:sszzz", "HH:mm:ss.FFFFFFFzzz",
2132                 "HH:mm:ssZ", "HH:mm:ss.FFFFFFFZ"
2133             };
2134             DateTimeStyles style = DateTimeStyles.AllowLeadingWhite | DateTimeStyles.AllowTrailingWhite;
2135
2136             //time local
2137             Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000).Ticks,
2138                 DateTime.ParseExact("13:30:44", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2139             Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000).Ticks,
2140                 DateTime.ParseExact("13:30:44.0", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2141             Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000).Ticks,
2142                 DateTime.ParseExact("13:30:44.00", 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("13:30:44.000", 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("13:30:44.0000", 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("13:30:44.00000", 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("13:30:44.000000", 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("13:30:44.0000000", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2153             Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 123).Ticks,
2154                 DateTime.ParseExact("13:30:44.123", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2155
2156             //time with zero timezone
2157             Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000, DateTimeKind.Utc).ToLocalTime().Ticks,
2158                 DateTime.ParseExact("13:30:44Z", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2159             Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000, DateTimeKind.Utc).ToLocalTime().Ticks,
2160                 DateTime.ParseExact("13:30:44.0Z", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
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("13:30:44.00Z", 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("13:30:44.000Z", 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("13:30:44.0000Z", 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("13:30:44.00000Z", 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("13:30:44.000000Z", 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("13:30:44.0000000Z", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2173             Assert.AreEqual(new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 123, DateTimeKind.Utc).ToLocalTime().Ticks,
2174                 DateTime.ParseExact("13:30:44.123Z", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2175
2176             //time with timezone
2177             Assert.AreEqual(new DateTimeOffset(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000, new TimeSpan(13, 0, 0)).ToLocalTime().Ticks,
2178                 DateTime.ParseExact("13:30:44+13:00", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2179             Assert.AreEqual(new DateTimeOffset(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 000, new TimeSpan(13, 0, 0)).ToLocalTime().Ticks,
2180                 DateTime.ParseExact("13:30:44.0+13:00", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
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("13:30:44.00+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("13:30:44.000+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("13:30:44.0000+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("13:30:44.00000+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("13:30:44.000000+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("13:30:44.0000000+13:00", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2193             Assert.AreEqual(new DateTimeOffset(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 13, 30, 44, 123, new TimeSpan(13, 0, 0)).ToLocalTime().Ticks,
2194                 DateTime.ParseExact("13:30:44.123+13:00", xmlTimeFormats, DateTimeFormatInfo.InvariantInfo, style).Ticks);
2195         }
2196
2197                 [Test]
2198                 [ExpectedException (typeof (FormatException))]
2199                 public void EmptyString ()
2200                 {
2201                         DateTime.Parse ("");
2202                 }
2203
2204                 [Test]
2205                 public void TryEmptyString ()
2206                 {
2207                         DateTime date;
2208                         Assert.IsFalse (DateTime.TryParse ("", out date));
2209                 }
2210
2211                 [Test]
2212                 public void Kind ()
2213                 {
2214                         if (DateTime.Now == DateTime.UtcNow)
2215                                 Assert.Ignore (); // This test does not make sense.
2216                         if (TimeZone.CurrentTimeZone.GetUtcOffset (DateTime.UtcNow)
2217                                 != TimeZone.CurrentTimeZone.GetUtcOffset (DateTime.Now))
2218                                 Assert.Ignore (); // In this case it does not satisfy the test premises.
2219
2220                         Assert.AreEqual (DateTimeKind.Local, DateTime.Now.Kind, "#A1");
2221                         Assert.AreEqual (DateTimeKind.Local, DateTime.Today.Kind, "#A2");
2222
2223                         DateTime utc = DateTime.UtcNow;
2224                         DateTime now = new DateTime (utc.Ticks + TimeZone.
2225                                 CurrentTimeZone.GetUtcOffset (utc).Ticks, DateTimeKind.Local);
2226                         DateTime utctouniv = utc.ToUniversalTime ();
2227                         DateTime nowtouniv = now.ToUniversalTime ();
2228                         DateTime utctoloc = utc.ToLocalTime ();
2229                         DateTime nowtoloc = now.ToLocalTime ();
2230
2231                         Assert.AreEqual (DateTimeKind.Utc, utc.Kind, "#B1");
2232                         Assert.AreEqual (DateTimeKind.Local, now.Kind, "#B2");
2233                         Assert.AreEqual (DateTimeKind.Utc, utctouniv.Kind, "#B3");
2234                         Assert.AreEqual (DateTimeKind.Utc, nowtouniv.Kind, "#B4");
2235                         Assert.AreEqual (DateTimeKind.Local, utctoloc.Kind, "#B5");
2236                         Assert.AreEqual (DateTimeKind.Local, nowtoloc.Kind, "#B6");
2237                         Assert.AreEqual (utc, utctouniv, "#B7");
2238                         Assert.AreEqual (utc, nowtouniv, "#B8");
2239                         Assert.AreEqual (now, nowtoloc, "#B9");
2240                         Assert.AreEqual (now, utctoloc, "#B10");
2241                 }
2242
2243                 [Test]
2244                 public void InstanceMembersAndKind ()
2245                 {
2246                         Assert.AreEqual (DateTimeKind.Utc, DateTime.UtcNow.Date.Kind, "#1");
2247                         Assert.AreEqual (DateTimeKind.Utc, DateTime.UtcNow.Add (TimeSpan.FromMinutes (1)).Kind, "#2");
2248                         Assert.AreEqual (DateTimeKind.Utc, DateTime.UtcNow.Subtract (TimeSpan.FromMinutes (1)).Kind, "#3");
2249                         Assert.AreEqual (DateTimeKind.Utc, DateTime.UtcNow.AddDays (1).Kind, "#4");
2250                         Assert.AreEqual (DateTimeKind.Utc, DateTime.UtcNow.AddTicks (1).Kind, "#5");
2251                         Assert.AreEqual (DateTimeKind.Utc, DateTime.UtcNow.AddHours (1).Kind, "#6");
2252                         Assert.AreEqual (DateTimeKind.Utc, DateTime.UtcNow.AddMinutes (1).Kind, "#7");
2253                         Assert.AreEqual (DateTimeKind.Utc, DateTime.UtcNow.AddSeconds (1).Kind, "#8");
2254                         Assert.AreEqual (DateTimeKind.Utc, DateTime.UtcNow.AddMilliseconds (1).Kind, "#9");
2255                         Assert.AreEqual (DateTimeKind.Utc, DateTime.UtcNow.AddMonths (1).Kind, "#10");
2256                         Assert.AreEqual (DateTimeKind.Utc, DateTime.UtcNow.AddYears (1).Kind, "#11");
2257                         Assert.AreEqual (DateTimeKind.Utc, (DateTime.UtcNow + TimeSpan.FromMinutes (1)).Kind, "#12");
2258                         Assert.AreEqual (DateTimeKind.Utc, (DateTime.UtcNow - TimeSpan.FromMinutes (1)).Kind, "#13");
2259                 }
2260
2261                 [Test]
2262                 public void CompareTicks ()
2263                 {
2264                         // Only ticks are compared, not kind.
2265                         var d = new DateTime (0, DateTimeKind.Utc);
2266                         var f = new DateTime (0);
2267
2268                         Assert.AreEqual (d == f, true, "#1");
2269                 }
2270
2271                 [Test]
2272                 public void FromBinary ()
2273                 {
2274                         DateTime dt_utc = DateTime.FromBinary (0x4000000000000001);
2275                         Assert.AreEqual (DateTimeKind.Utc, dt_utc.Kind, "#1");
2276                         Assert.AreEqual (1, dt_utc.Ticks, "#2");
2277
2278                         DateTime dt_local = DateTime.FromBinary (unchecked ((long) 0x8000000000000001));
2279                         Assert.AreEqual (DateTimeKind.Local, dt_local.Kind, "#3");
2280
2281                         DateTime dt_unspecified = DateTime.FromBinary (0x0000000000000001);
2282                         Assert.AreEqual (DateTimeKind.Unspecified, dt_unspecified.Kind, "#4");
2283                         Assert.AreEqual (1, dt_unspecified.Ticks, "#5");
2284
2285                         DateTime dt_local2 = DateTime.FromBinary (unchecked ((long) 0xC000000000000001));
2286                         Assert.AreEqual (DateTimeKind.Local, dt_local2.Kind, "#6");
2287                         Assert.AreEqual (dt_local.Ticks, dt_local2.Ticks, "#7");
2288                 }
2289
2290                 [Test]
2291                 public void ToBinary ()
2292                 {
2293                         DateTime dt_local = new DateTime (1, DateTimeKind.Local);
2294                         Assert.AreEqual (1, (ulong) dt_local.ToBinary () >> 63, "#1");
2295                         Assert.AreEqual (1, dt_local.Ticks, "#2");
2296
2297                         DateTime dt_utc = new DateTime (1, DateTimeKind.Utc);
2298                         Assert.AreEqual (0x4000000000000001, dt_utc.ToBinary (), "#3");
2299                         Assert.AreEqual (1, dt_utc.Ticks, "#4");
2300
2301                         DateTime dt_unspecified = new DateTime (1, DateTimeKind.Unspecified);
2302                         Assert.AreEqual (1, dt_unspecified.ToBinary (), "#5");
2303                         Assert.AreEqual (1, dt_unspecified.Ticks, "#6");
2304                 }
2305
2306                 [Test]
2307                 public void RoundtripBinary ()
2308                 {
2309                         DateTime dt = DateTime.Now;
2310                         DateTime dt2 = DateTime.SpecifyKind (dt, DateTimeKind.Utc);
2311                         DateTime dt3 = DateTime.SpecifyKind (dt, DateTimeKind.Unspecified);
2312                         Assert.AreEqual (dt, DateTime.FromBinary (dt.ToBinary ()), "#1");
2313                         Assert.AreEqual (dt2, DateTime.FromBinary (dt2.ToBinary ()), "#2");
2314                         Assert.AreEqual (dt3, DateTime.FromBinary (dt3.ToBinary ()), "#3");
2315                         Assert.AreEqual (DateTimeKind.Local, DateTime.FromBinary (dt.ToBinary ()).Kind, "#4");
2316                         Assert.AreEqual (DateTimeKind.Utc, DateTime.FromBinary (dt2.ToBinary ()).Kind, "#5");
2317                         Assert.AreEqual (DateTimeKind.Unspecified, DateTime.FromBinary (dt3.ToBinary ()).Kind, "#6");
2318
2319                         Assert.AreEqual (TimeZone.CurrentTimeZone.GetUtcOffset (dt).Ticks, dt3.ToBinary () - (dt.ToBinary () & 0x7FFFFFFFFFFFFFFF), "#7");
2320                 }
2321
2322                 [Test]
2323                 public void TestMin ()
2324                 {
2325                         // This should never throw.
2326                         DateTime.MinValue.ToLocalTime ();
2327                 }
2328
2329                 [Test]
2330                 public void OmittedSecondsFraction ()
2331                 {
2332                         DateTime today = DateTime.Today;
2333                         Assert.AreEqual ("00:00:00.13579", today.AddTicks (1357900).ToString ("HH:mm:ss.FFFFFFF"), "#1");
2334                         DateTime dt = DateTime.ParseExact ("00:00:00.13579", "HH:mm:ss.FFFFFFF", CultureInfo.InvariantCulture);
2335                         Assert.AreEqual (today, dt.AddTicks (-1357900), "#2");
2336                         // it's more than strange ...
2337                         Assert.AreEqual (String.Empty, today.ToString (".FFFFFFF"), "#3");
2338                         Assert.AreEqual ("$", today.ToString ("$FFFFFFF"), "#4");
2339                 }
2340
2341                 [Test]
2342                 public void KindInPattern ()
2343                 {
2344                         // only 2.0 supports 'K'
2345                         Assert.AreEqual ("00:00:00", new DateTime (2000, 1, 1).ToString ("HH:mm:ssK"), "#1");
2346                         Assert.AreEqual ('Z', DateTime.Today.ToUniversalTime ().ToString ("HH:mm:ssK") [8], "#2");
2347                         Assert.AreEqual ("00:00:00+09:00".Length, DateTime.Today.ToString ("HH:mm:ssK").Length, "#3");
2348                 }
2349
2350                 [Test]
2351                 public void RoundtripPattern ()
2352                 {
2353                         // only 2.0 supports 'o'
2354                         Assert.AreEqual ("2000-01-01T00:00:00.0000000", new DateTime (2000, 1, 1).ToString ("o"), "#1");
2355                         Assert.AreEqual ("2000-01-01T00:00:00.0000000Z", DateTime.SpecifyKind (new DateTime (2000, 1, 1), DateTimeKind.Utc).ToString ("o"), "#2");
2356                         Assert.AreEqual ("2000-01-01T00:00:00.0000000+09:00".Length, DateTime.SpecifyKind (
2357                                 new DateTime (2000, 1, 1), DateTimeKind.Local).ToString ("o").Length, "#3");
2358
2359                         var culture = new CultureInfo ("ps-AF");
2360                         Assert.AreEqual ("1976-06-19T00:00:00.0000000", new DateTime(1976, 6, 19).ToString ("O", culture), "#4");
2361                         Assert.AreEqual ("1976-06-19T00:00:00.0000000", new DateTime(1976, 6, 19).ToString ("o", culture), "#5");
2362                 }
2363
2364                 [Test]
2365                 public void KindPattern ()
2366                 {
2367                         // no matter how the format string contains 'K' and the
2368                         // output string contains kind information, it does not
2369                         // assure that the string is parsed as roundtrip kind.
2370
2371                         // only 2.0 supports 'K'
2372                         string format = "yyyy-MM-dd'T'HH:mm:ss.fffK";
2373                         CultureInfo ci = CultureInfo.CurrentCulture;
2374                         DateTime dt = DateTime.SpecifyKind (new DateTime (2007, 11, 1, 2, 30, 45), DateTimeKind.Utc);
2375                         string s = dt.ToString (format);
2376                         DateTime d1 = DateTime.ParseExact (s, format, ci); // d1 is parsed as a local time.
2377                         Assert.AreEqual (dt.Ticks, d1.ToUniversalTime ().Ticks, "#1");
2378                         // .NET expects Local here, while s ends with 'Z' and should be parsed as UTC.
2379                         Assert.AreEqual (DateTimeKind.Local, d1.Kind, "#2");
2380
2381                         format = "yyyy-MM-dd'T'HH:mm:ssK";
2382                         ci = CultureInfo.CurrentCulture;
2383                         dt = new DateTime (2007, 11, 1, 2, 30, 45);
2384                         s = dt.ToString (format);
2385                         d1 = DateTime.ParseExact (s, format, ci);
2386                         Assert.AreEqual (dt.Ticks, d1.Ticks, "#3");
2387                         Assert.AreEqual (DateTimeKind.Unspecified, d1.Kind, "#4");
2388                 }
2389
2390                 [Test]
2391                 public void TestRoundTrip () {
2392                         DateTime result;
2393                         DateTimeStyles roundTripStyle = DateTimeStyles.RoundtripKind;
2394                         string utcDate = "2008-02-21T11:14:18.2721262Z";
2395                         string localDate = "2008-02-21T11:14:18.2721262+02:00";
2396                         string unspec = "2008-02-21T11:14:18.2721262";
2397                         String [] formats = {"yyyy-MM-ddTHH:mm:ssK", "yyyy-MM-ddTHH:mm:ss.FFFFFFFK"};
2398
2399                         result = DateTime.ParseExact (localDate, formats, CultureInfo.InvariantCulture, roundTripStyle);
2400                         Assert.AreEqual (result.Kind, DateTimeKind.Local);
2401                         Assert.AreEqual (result.ToUniversalTime ().Ticks, 633391820582721262);
2402
2403                         result = DateTime.ParseExact (unspec, formats, CultureInfo.InvariantCulture, roundTripStyle);
2404                         Assert.AreEqual (result.Kind, DateTimeKind.Unspecified);
2405                         Assert.AreEqual (result.Ticks, 633391892582721262);
2406
2407                         result = DateTime.ParseExact (utcDate, formats, CultureInfo.InvariantCulture, roundTripStyle);
2408                         Assert.AreEqual (result.Kind, DateTimeKind.Utc);
2409                         Assert.AreEqual (result.Ticks, 633391892582721262);
2410
2411                 }
2412
2413                 [Test]
2414                 public void TestRegularStyle () {
2415                         DateTime result;
2416                         DateTimeStyles style = DateTimeStyles.AllowLeadingWhite | DateTimeStyles.AllowTrailingWhite;
2417                         string utcDate = "2008-02-21T11:14:18.2721262Z";
2418                         string localDate = "2008-02-21T11:14:18.2721262+02:00";
2419                         string unspec = "2008-02-21T11:14:18.2721262";
2420                         String [] formats = {"yyyy-MM-ddTHH:mm:ssK", "yyyy-MM-ddTHH:mm:ss.FFFFFFFK"};
2421
2422                         result = DateTime.ParseExact (localDate, formats, CultureInfo.InvariantCulture, style);
2423                         Assert.AreEqual (result.Kind, DateTimeKind.Local);
2424                         Assert.AreEqual (result.ToUniversalTime ().Ticks, 633391820582721262);
2425
2426                         result = DateTime.ParseExact (unspec, formats, CultureInfo.InvariantCulture, style);
2427                         Assert.AreEqual (result.Kind, DateTimeKind.Unspecified);
2428                         Assert.AreEqual (result.Ticks, 633391892582721262);
2429
2430                         result = DateTime.ParseExact (utcDate, formats, CultureInfo.InvariantCulture, style);
2431                         Assert.AreEqual (result.Kind, DateTimeKind.Local);
2432                         Assert.AreEqual (result.ToUniversalTime ().Ticks, 633391892582721262);
2433                 }
2434
2435                 [Test]
2436                 public void TestAssumeLocal () {
2437                         DateTime result;
2438                         DateTimeStyles assumeLocal =  DateTimeStyles.AssumeLocal;
2439                         string utcDate = "2008-02-21T11:14:18.2721262Z";
2440                         string localDate = "2008-02-21T11:14:18.2721262+02:00";
2441                         string unspec = "2008-02-21T11:14:18.2721262";
2442                         String [] formats = {"yyyy-MM-ddTHH:mm:ssK", "yyyy-MM-ddTHH:mm:ss.FFFFFFFK"};
2443
2444                         result = DateTime.ParseExact (localDate, formats, CultureInfo.InvariantCulture, assumeLocal);
2445                         Assert.AreEqual (result.Kind, DateTimeKind.Local);
2446                         Assert.AreEqual (result.ToUniversalTime ().Ticks, 633391820582721262);
2447
2448                         result = DateTime.ParseExact (unspec, formats, CultureInfo.InvariantCulture, assumeLocal);
2449                         Assert.AreEqual (result.Kind, DateTimeKind.Local);
2450                         Assert.AreEqual (result.Ticks, 633391892582721262);
2451
2452                         result = DateTime.ParseExact (utcDate, formats, CultureInfo.InvariantCulture, assumeLocal);
2453                         Assert.AreEqual (result.Kind, DateTimeKind.Local);
2454                         Assert.AreEqual (result.ToUniversalTime ().Ticks, 633391892582721262);
2455                 }
2456
2457                 [Test]
2458                 [ExpectedException (typeof (ArgumentException))]
2459                 public void IllegalStyleCombination1()
2460                 {
2461                         DateTimeStyles illegal = DateTimeStyles.RoundtripKind | DateTimeStyles.AssumeLocal;
2462                         DateTime.ParseExact ("", "", null, illegal);
2463                 }
2464
2465                 [Test]
2466                 [ExpectedException (typeof (ArgumentException))]
2467                 public void IllegalStyleCombination2()
2468                 {
2469                         DateTimeStyles illegal = DateTimeStyles.RoundtripKind | DateTimeStyles.AdjustToUniversal;
2470                         DateTime.ParseExact ("", "", null, illegal);
2471                 }
2472
2473                 [Test]
2474                 [ExpectedException (typeof (ArgumentException))]
2475                 public void IllegalStyleCombination3()
2476                 {
2477                         DateTimeStyles illegal = DateTimeStyles.RoundtripKind | DateTimeStyles.AssumeUniversal;
2478                         DateTime.ParseExact ("", "", null, illegal);
2479                 }
2480
2481                 [Test]
2482                 [ExpectedException (typeof (ArgumentException))]
2483                 public void IllegalStyleCombination4()
2484                 {
2485                         DateTimeStyles illegal = DateTimeStyles.AssumeLocal | DateTimeStyles.AssumeUniversal;
2486                         DateTime.ParseExact ("", "", null, illegal);
2487                 }
2488
2489                 [Test]
2490                 [ExpectedException (typeof (FormatException))]
2491                 public void TrailingDot ()
2492                 {
2493                         DateTime.ParseExact ("12:00:00", "HH:mm:ss.", null);
2494                 }
2495
2496                 [Test]
2497                 public void TrailingFlexibleMilliseconds ()
2498                 {
2499                         // bug #444103.
2500                         DateTime.ParseExact ("12:00:00", "HH:mm:ss.FFFFFFF", null);
2501                 }
2502
2503                 [Test]
2504                 public void TryParseExact_NullString ()
2505                 {
2506                         DateTime dt;
2507                         DateTime.TryParseExact(null, "yyyy'-'MM'-'dd'T'HH':'mm':'ss'Z'", CultureInfo.InvariantCulture,
2508                                                DateTimeStyles.AssumeUniversal | DateTimeStyles.AdjustToUniversal, out dt);
2509                         Assert.AreEqual(default(DateTime), dt);
2510                 }
2511
2512                 [Test]
2513                 public void MSAndZ ()
2514                 {
2515                         CultureInfo cultureInfo = CultureInfo.GetCultureInfo ("en-US");
2516                         DateTime dt;
2517                         if (!DateTime.TryParse ("2009.02.24T13:57:07.000 -0800", cultureInfo.DateTimeFormat,
2518                                                 DateTimeStyles.None, out dt))
2519                                 Assert.Fail ("Failed");
2520                 }
2521
2522                 [Test]
2523                 public void Parse_InvalidShortDate ()
2524                 {
2525                         DateTime expected = new DateTime (2011, 03, 22, 07, 32, 00, DateTimeKind.Utc).ToLocalTime();
2526                         DateTime expected2 = new DateTime (2011, 03, 22, 08, 32, 00, DateTimeKind.Utc);
2527
2528                         string [] cultures = new string [] {"es-ES", "en-US", "en-GB", "de-DE", "fr-FR"
2529 #if NET_4_0
2530                                 ,"es", "en", "de", "fr"
2531 #endif
2532                                 };
2533
2534                         foreach (string culture in cultures) {
2535                                 CultureInfo ci = new CultureInfo (culture);
2536                                 ci.DateTimeFormat.ShortDatePattern = "d";
2537
2538                                 Assert.AreEqual (expected,  DateTime.Parse ("2011-03-22 08:32:00+01:00", ci, DateTimeStyles.RoundtripKind), "#a01 - " + culture);
2539                                 Assert.AreEqual (expected,  DateTime.Parse ("2011/03/22 08:32:00+01:00", ci, DateTimeStyles.RoundtripKind), "#a02 - " + culture);
2540                                 Assert.AreEqual (expected2, DateTime.Parse ("2011-03-22T08:32:00", ci, DateTimeStyles.RoundtripKind), "#a03 - " + culture);
2541                                 Assert.AreEqual (expected2, DateTime.Parse ("2011/03/22T08:32:00", ci, DateTimeStyles.RoundtripKind), "#a04 - " + culture);
2542                                 Assert.AreEqual (expected2, DateTime.Parse ("03/2011/22T08:32:00", ci, DateTimeStyles.RoundtripKind), "#a05 - " + culture);
2543                                 Assert.AreEqual (expected2, DateTime.Parse ("03-2011-22T08:32:00", ci, DateTimeStyles.RoundtripKind), "#a06 - " + culture);
2544                                 Assert.AreEqual (expected,  DateTime.Parse ("03/2011/22 08:32:00+01:00", ci, DateTimeStyles.RoundtripKind), "#a07 - " + culture);
2545                                 ci.DateTimeFormat.DateSeparator = "%";
2546                                 Assert.AreEqual (expected,  DateTime.Parse ("2011-03-22 08:32:00+01:00", ci, DateTimeStyles.RoundtripKind), "#b01 - " + culture);
2547                                 Assert.AreEqual (expected,  DateTime.Parse ("2011/03/22 08:32:00+01:00", ci, DateTimeStyles.RoundtripKind), "#b02 - " + culture);
2548                                 Assert.AreEqual (expected2, DateTime.Parse ("2011-03-22T08:32:00", ci, DateTimeStyles.RoundtripKind), "#b03 - " + culture);
2549                                 Assert.AreEqual (expected2, DateTime.Parse ("2011/03/22T08:32:00", ci, DateTimeStyles.RoundtripKind), "#b04 - " + culture);
2550                                 Assert.AreEqual (expected2, DateTime.Parse ("03/2011/22T08:32:00", ci, DateTimeStyles.RoundtripKind), "#b05 - " + culture);
2551                                 Assert.AreEqual (expected2, DateTime.Parse ("03-2011-22T08:32:00", ci, DateTimeStyles.RoundtripKind), "#b06 - " + culture);
2552                                 Assert.AreEqual (expected,  DateTime.Parse ("03/2011/22 08:32:00+01:00", ci, DateTimeStyles.RoundtripKind), "#b07 - " + culture);
2553                         }
2554                 }
2555
2556                 // Bug 3392
2557                 [Test]
2558                 public void Parse_DateWithTimeZone_TimeZoneShouldBeCorrectlyRead ()
2559                 {
2560                         string testDateWithTimeZoneInfo  = "2012-01-14T15:09:42.692875+03:00";
2561                         long expectedUtcTics = 634621397826928750;
2562
2563                         DateTimeOffset result = DateTimeOffset.Parse (testDateWithTimeZoneInfo, null, DateTimeStyles.RoundtripKind);
2564
2565                         Assert.AreEqual (expectedUtcTics, result.UtcTicks);
2566                 }
2567
2568                 [Test]
2569                 public void GenitiveMonth ()
2570                 {
2571                         var ci = new CultureInfo ("ru-RU");
2572                         var dt = new DateTime (2012, 9, 15);
2573                         Assert.AreEqual ("15 сентября", dt.ToString ("m", ci));
2574                 }
2575
2576                 [Test]
2577                 public void Parse_ThaiCalendar ()
2578                 {
2579                         var culture = CultureInfo.GetCultureInfo ("th-TH");
2580                         Assert.IsTrue (culture.Calendar is ThaiBuddhistCalendar);
2581                         var dt = DateTime.Now.Date;
2582                         var s = dt.ToString (culture);
2583                         var parsed = DateTime.Parse (s, culture);
2584
2585                         Assert.AreEqual (dt, parsed, "#1");
2586                 }
2587         }
2588 }