mcs/class/System.Core/Test/System/TimeZoneInfoTest.cs

   1 /*
   2  * TimeZoneInfo.Tests
   3  *
   4  * Author(s)
   5  *      Stephane Delcroix <stephane@delcroix.org>
   6  *
   7  * Copyright 2011 Xamarin Inc.
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining
  10  * a copy of this software and associated documentation files (the
  11  * "Software"), to deal in the Software without restriction, including
  12  * without limitation the rights to use, copy, modify, merge, publish,
  13  * distribute, sublicense, and/or sell copies of the Software, and to
  14  * permit persons to whom the Software is furnished to do so, subject to
  15  * the following conditions:
  16  *
  17  * The above copyright notice and this permission notice shall be
  18  * included in all copies or substantial portions of the Software.
  19  *
  20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27  */
  28
  29 using System;
  30 using System.Collections;
  31
  32 using NUnit.Framework;
  33 #if NET_2_0
  34 namespace MonoTests.System
  35 {
  36         public class TimeZoneInfoTest
  37         {
  38                 [TestFixture]
  39                 public class PropertiesTests
  40                 {
  41                         [Test]
  42                         public void GetLocal ()
  43                         {
  44                                 if (Environment.OSVersion.Platform != PlatformID.Unix)
  45                                         return;
  46                                 TimeZoneInfo local = TimeZoneInfo.Local;
  47                                 Assert.IsNotNull (local);
  48                                 Assert.IsTrue (true);
  49                         }
  50                 }
  51
  52                 [TestFixture]
  53                 public class CreateCustomTimezoneTests
  54                 {
  55                         [Test]
  56                         [ExpectedException (typeof (ArgumentNullException))]
  57                         public void IdIsNullException ()
  58                         {
  59                                 TimeZoneInfo.CreateCustomTimeZone (null, new TimeSpan (0), null, null);
  60                         }
  61
  62                         [Test]
  63                         [ExpectedException (typeof (ArgumentException))]
  64                         public void IdIsEmptyString ()
  65                         {
  66                                 TimeZoneInfo.CreateCustomTimeZone ("", new TimeSpan (0), null, null);
  67                         }
  68
  69                         [Test]
  70                         [ExpectedException (typeof (ArgumentException))]
  71                         public void OffsetIsNotMinutes ()
  72                         {
  73                                 TimeZoneInfo.CreateCustomTimeZone ("mytimezone", new TimeSpan (0, 0, 55), null, null);
  74                         }
  75
  76                         [Test]
  77                         [ExpectedException (typeof (ArgumentOutOfRangeException))]
  78                         public void OffsetTooBig ()
  79                         {
  80                                 TimeZoneInfo.CreateCustomTimeZone ("mytimezone", new TimeSpan (14, 1, 0), null, null);
  81                         }
  82
  83                         [Test]
  84                         [ExpectedException (typeof (ArgumentOutOfRangeException))]
  85                         public void OffsetTooSmall ()
  86                         {
  87                                 TimeZoneInfo.CreateCustomTimeZone ("mytimezone", - new TimeSpan (14, 1, 0), null, null);
  88                         }
  89
  90                 #if STRICT
  91                         [Test]
  92                         [ExpectedException (typeof (ArgumentException))]
  93                         public void IdLongerThan32 ()
  94                         {
  95                                 TimeZoneInfo.CreateCustomTimeZone ("12345678901234567890123456789012345", new TimeSpan (0), null, null);
  96                         }
  97                 #endif
  98
  99                         [Test]
 100                         [ExpectedException (typeof (InvalidTimeZoneException))]
 101                         public void AdjustmentRulesOverlap ()
 102                         {
 103                                 TimeZoneInfo.TransitionTime s1 = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 3, 2, DayOfWeek.Sunday);
 104                                 TimeZoneInfo.TransitionTime e1 = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 10, 2, DayOfWeek.Sunday);
 105                                 TimeZoneInfo.AdjustmentRule r1 = TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (new DateTime (2000,1,1), new DateTime (2005,1,1), new TimeSpan (1,0,0), s1, e1);
 106                                 TimeZoneInfo.TransitionTime s2 = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 2, 2, DayOfWeek.Sunday);
 107                                 TimeZoneInfo.TransitionTime e2 = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 11, 2, DayOfWeek.Sunday);
 108                                 TimeZoneInfo.AdjustmentRule r2 = TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (new DateTime (2004,1,1), new DateTime (2007,1,1), new TimeSpan (1,0,0), s2, e2);
 109                                 TimeZoneInfo.CreateCustomTimeZone ("mytimezone", new TimeSpan (6,0,0),null,null,null,new TimeZoneInfo.AdjustmentRule[] {r1, r2});
 110                         }
 111
 112                         [Test]
 113                         [ExpectedException (typeof (InvalidTimeZoneException))]
 114                         public void RulesNotOrdered ()
 115                         {
 116                                 TimeZoneInfo.TransitionTime s1 = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 3, 2, DayOfWeek.Sunday);
 117                                 TimeZoneInfo.TransitionTime e1 = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 10, 2, DayOfWeek.Sunday);
 118                                 TimeZoneInfo.AdjustmentRule r1 = TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (new DateTime (2000,1,1), new DateTime (2005,1,1), new TimeSpan (1,0,0), s1, e1);
 119                                 TimeZoneInfo.TransitionTime s2 = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 2, 2, DayOfWeek.Sunday);
 120                                 TimeZoneInfo.TransitionTime e2 = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 11, 2, DayOfWeek.Sunday);
 121                                 TimeZoneInfo.AdjustmentRule r2 = TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (new DateTime (2006,1,1), new DateTime (2007,1,1), new TimeSpan (1,0,0), s2, e2);
 122                                 TimeZoneInfo.CreateCustomTimeZone ("mytimezone", new TimeSpan (6,0,0),null,null,null,new TimeZoneInfo.AdjustmentRule[] {r2, r1});
 123                         }
 124
 125                         [Test]
 126                         [ExpectedException (typeof (InvalidTimeZoneException))]
 127                         public void OffsetOutOfRange ()
 128                         {
 129                                 TimeZoneInfo.TransitionTime startTransition = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 3, 2, DayOfWeek.Sunday);
 130                                 TimeZoneInfo.TransitionTime endTransition = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 10, 2, DayOfWeek.Sunday);
 131                                 TimeZoneInfo.AdjustmentRule rule = TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (new DateTime (2000,1,1), new DateTime (2005,1,1), new TimeSpan (3,0,0), startTransition, endTransition);
 132                                 TimeZoneInfo.CreateCustomTimeZone ("mytimezone", new TimeSpan (12,0,0),null,null,null,new TimeZoneInfo.AdjustmentRule[] {rule});
 133                         }
 134
 135                         [Test]
 136                         [ExpectedException (typeof (InvalidTimeZoneException))]
 137                         public void NullRule ()
 138                         {
 139                                 TimeZoneInfo.CreateCustomTimeZone ("mytimezone", new TimeSpan (12,0,0),null,null,null,new TimeZoneInfo.AdjustmentRule[] {null});
 140                         }
 141
 142                         [Test]
 143                         [ExpectedException (typeof (InvalidTimeZoneException))]
 144                         public void MultiplesRulesForDate ()
 145                         {
 146                                 TimeZoneInfo.TransitionTime s1 = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 3, 2, DayOfWeek.Sunday);
 147                                 TimeZoneInfo.TransitionTime e1 = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 10, 2, DayOfWeek.Sunday);
 148                                 TimeZoneInfo.AdjustmentRule r1 = TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (new DateTime (2000,1,1), new DateTime (2005,1,1), new TimeSpan (1,0,0), s1, e1);
 149                                 TimeZoneInfo.TransitionTime s2 = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 2, 2, DayOfWeek.Sunday);
 150                                 TimeZoneInfo.TransitionTime e2 = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 11, 2, DayOfWeek.Sunday);
 151                                 TimeZoneInfo.AdjustmentRule r2 = TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (new DateTime (2005,1,1), new DateTime (2007,1,1), new TimeSpan (1,0,0), s2, e2);
 152                                 TimeZoneInfo.CreateCustomTimeZone ("mytimezone", new TimeSpan (6,0,0),null,null,null,new TimeZoneInfo.AdjustmentRule[] {r1, r2});
 153                         }
 154                 }
 155
 156                 [TestFixture]
 157                 public class IsDaylightSavingTimeTests
 158                 {
 159                         TimeZoneInfo london;
 160
 161                         [SetUp]
 162                         public void CreateTimeZones ()
 163                         {
 164                                 TimeZoneInfo.TransitionTime start = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,1,0,0), 3, 5, DayOfWeek.Sunday);
 165                                 TimeZoneInfo.TransitionTime end = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,2,0,0), 10, 5, DayOfWeek.Sunday);
 166                                 TimeZoneInfo.AdjustmentRule rule = TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (DateTime.MinValue.Date, DateTime.MaxValue.Date, new TimeSpan (1,0,0), start, end);
 167                                 london = TimeZoneInfo.CreateCustomTimeZone ("Europe/London", new TimeSpan (0), "Europe/London", "British Standard Time", "British Summer Time", new TimeZoneInfo.AdjustmentRule [] {rule});
 168                         }
 169
 170                         [Test]
 171                         public void NoDSTInUTC ()
 172                         {
 173                                 DateTime june01 = new DateTime (2007, 06, 01);
 174                                 Assert.IsFalse (TimeZoneInfo.Utc.IsDaylightSavingTime (june01));
 175                         }
 176
 177                         [Test]
 178                         public void DSTInLondon ()
 179                         {
 180                                 if (Environment.OSVersion.Platform != PlatformID.Unix)
 181                                         return;
 182                                 DateTime june01 = new DateTime (2007, 06, 01);
 183                                 DateTime xmas = new DateTime (2007, 12, 25);
 184                                 Assert.IsTrue (london.IsDaylightSavingTime (june01), "June 01 is DST in London");
 185                                 Assert.IsFalse (london.IsDaylightSavingTime (xmas), "Xmas is not DST in London");
 186                         }
 187
 188                         [Test]
 189                         public void DSTTransisions ()
 190                         {
 191                                 if (Environment.OSVersion.Platform != PlatformID.Unix)
 192                                         return;
 193                                 DateTime beforeDST = new DateTime (2007, 03, 25, 0, 59, 59, DateTimeKind.Unspecified);
 194                                 DateTime startDST = new DateTime (2007, 03, 25, 2, 0, 0, DateTimeKind.Unspecified);
 195                                 DateTime endDST = new DateTime (2007, 10, 28, 1, 59, 59, DateTimeKind.Unspecified);
 196                                 DateTime afterDST = new DateTime (2007, 10, 28, 2, 0, 0, DateTimeKind.Unspecified);
 197                                 Assert.IsFalse (london.IsDaylightSavingTime (beforeDST), "Just before DST");
 198                                 Assert.IsTrue (london.IsDaylightSavingTime (startDST), "the first seconds of DST");
 199                                 Assert.IsTrue (london.IsDaylightSavingTime (endDST), "The last seconds of DST");
 200                                 Assert.IsFalse (london.IsDaylightSavingTime (afterDST), "Just after DST");
 201                         }
 202
 203                         [Test]
 204                         public void DSTTransisionsUTC ()
 205                         {
 206                                 DateTime beforeDST = new DateTime (2007, 03, 25, 0, 59, 59, DateTimeKind.Utc);
 207                                 DateTime startDST = new DateTime (2007, 03, 25, 1, 0, 0, DateTimeKind.Utc);
 208                                 DateTime endDST = new DateTime (2007, 10, 28, 0, 59, 59, DateTimeKind.Utc);
 209                                 DateTime afterDST = new DateTime (2007, 10, 28, 1, 0, 0, DateTimeKind.Utc);
 210                                 Assert.IsFalse (london.IsDaylightSavingTime (beforeDST), "Just before DST");
 211                                 Assert.IsTrue (london.IsDaylightSavingTime (startDST), "the first seconds of DST");
 212                                 Assert.IsTrue (london.IsDaylightSavingTime (endDST), "The last seconds of DST");
 213                                 Assert.IsFalse (london.IsDaylightSavingTime (afterDST), "Just after DST");
 214                         }
 215
 216                 #if SLOW_TESTS
 217                         [Test]
 218                         public void MatchTimeZoneBehavior ()
 219                         {
 220                                 TimeZone tzone = TimeZone.CurrentTimeZone;
 221                                 TimeZoneInfo local = TimeZoneInfo.Local;
 222                                 for (DateTime date = new DateTime (2007, 01, 01, 0, 0, 0, DateTimeKind.Local); date < new DateTime (2007, 12, 31, 23, 59, 59); date += new TimeSpan (0,1,0)) {
 223                                         date = DateTime.SpecifyKind (date, DateTimeKind.Local);
 224                                         if (local.IsInvalidTime (date))
 225                                                 continue;
 226                                         Assert.IsTrue (tzone.IsDaylightSavingTime (date) == local.IsDaylightSavingTime (date));
 227                                 }
 228                         }
 229                 #endif
 230                 }
 231
 232                 [TestFixture]
 233                 public class ConvertTimeTests
 234                 {
 235                         TimeZoneInfo london;
 236
 237                         [SetUp]
 238                         public void CreateTimeZones ()
 239                         {
 240                                 TimeZoneInfo.TransitionTime start = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,1,0,0), 3, 5, DayOfWeek.Sunday);
 241                                 TimeZoneInfo.TransitionTime end = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,2,0,0), 10, 5, DayOfWeek.Sunday);
 242                                 TimeZoneInfo.AdjustmentRule rule = TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (DateTime.MinValue.Date, DateTime.MaxValue.Date, new TimeSpan (1,0,0), start, end);
 243                                 london = TimeZoneInfo.CreateCustomTimeZone ("Europe/London", new TimeSpan (0), "Europe/London", "British Standard Time", "British Summer Time", new TimeZoneInfo.AdjustmentRule [] {rule});
 244                         }
 245
 246                         [Test]
 247                         [ExpectedException (typeof (ArgumentException))]
 248                         public void ConvertFromUtc_KindIsLocalException ()
 249                         {
 250                                 if (Environment.OSVersion.Platform != PlatformID.Unix)
 251                                         throw new ArgumentException ();
 252                                 TimeZoneInfo.ConvertTimeFromUtc (new DateTime (2007, 5, 3, 11, 8, 0, DateTimeKind.Local), TimeZoneInfo.Local);
 253                         }
 254
 255                         [Test]
 256                         [ExpectedException (typeof (ArgumentNullException))]
 257                         public void ConvertFromUtc_DestinationTimeZoneIsNullException ()
 258                         {
 259                                 TimeZoneInfo.ConvertTimeFromUtc (new DateTime (2007, 5, 3, 11, 8, 0), null);
 260                         }
 261
 262                         [Test]
 263                         public void ConvertFromUtc_DestinationIsUTC ()
 264                         {
 265                                 DateTime now = DateTime.UtcNow;
 266                                 DateTime converted = TimeZoneInfo.ConvertTimeFromUtc (now, TimeZoneInfo.Utc);
 267                                 Assert.AreEqual (now, converted);
 268                         }
 269
 270                         [Test]
 271                         public void ConvertFromUTC_ConvertInWinter ()
 272                         {
 273                                 if (Environment.OSVersion.Platform != PlatformID.Unix)
 274                                         return;
 275                                 DateTime utc = new DateTime (2007, 12, 25, 12, 0, 0);
 276                                 DateTime converted = TimeZoneInfo.ConvertTimeFromUtc (utc, london);
 277                                 Assert.AreEqual (utc, converted);
 278                         }
 279
 280                         [Test]
 281                         public void ConvertFromUtc_ConvertInSummer ()
 282                         {
 283                                 if (Environment.OSVersion.Platform != PlatformID.Unix)
 284                                         return;
 285                                 DateTime utc = new DateTime (2007, 06, 01, 12, 0, 0);
 286                                 DateTime converted = TimeZoneInfo.ConvertTimeFromUtc (utc, london);
 287                                 Assert.AreEqual (utc + new TimeSpan (1,0,0), converted);
 288                         }
 289
 290                         [Test]
 291                         public void ConvertToUTC_KindIsUtc ()
 292                         {
 293                                 DateTime now = DateTime.UtcNow;
 294                                 Assert.AreEqual (now.Kind, DateTimeKind.Utc);
 295                                 DateTime converted = TimeZoneInfo.ConvertTimeToUtc (now);
 296                                 Assert.AreEqual (now, converted);
 297                         }
 298
 299                         [Test]
 300                         [ExpectedException (typeof (ArgumentException))]
 301                         public void ConvertToUTC_KindIsUTCButSourceIsNot ()
 302                         {
 303                                 TimeZoneInfo.ConvertTimeToUtc (new DateTime (2007, 5, 3, 12, 8, 0, DateTimeKind.Utc), london);
 304                         }
 305
 306                         [Test]
 307                         [ExpectedException (typeof (ArgumentException))]
 308                         public void ConvertToUTC_KindIsLocalButSourceIsNot ()
 309                         {
 310                                 if (Environment.OSVersion.Platform != PlatformID.Unix)
 311                                         throw new ArgumentException ();
 312                                 TimeZoneInfo.ConvertTimeToUtc (new DateTime (2007, 5, 3, 12, 8, 0, DateTimeKind.Local), london);
 313                         }
 314
 315                         [Test]
 316                         [ExpectedException (typeof (ArgumentException))]
 317                         public void ConvertToUTC_InvalidDate ()
 318                         {
 319                                 TimeZoneInfo.ConvertTimeToUtc (new DateTime (2007, 3, 25, 1, 30, 0), london);
 320                         }
 321
 322                         [Test]
 323                         [ExpectedException (typeof (ArgumentNullException))]
 324                         public void ConvertToUTC_SourceIsNull ()
 325                         {
 326                                 TimeZoneInfo.ConvertTimeToUtc (new DateTime (2007, 5, 3, 12, 16, 0), null);
 327                         }
 328
 329                 #if SLOW_TESTS
 330                         [Test]
 331                         public void ConvertToUtc_MatchDateTimeBehavior ()
 332                         {
 333                                 for (DateTime date = new DateTime (2007, 01, 01, 0, 0, 0); date < new DateTime (2007, 12, 31, 23, 59, 59); date += new TimeSpan (0,1,0)) {
 334                                         Assert.AreEqual (TimeZoneInfo.ConvertTimeToUtc (date), date.ToUniversalTime ());
 335                                 }
 336                         }
 337                 #endif
 338
 339                         [Test]
 340                         public void ConvertFromToUtc ()
 341                         {
 342                                 if (Environment.OSVersion.Platform != PlatformID.Unix)
 343                                         return;
 344                                 DateTime utc = DateTime.UtcNow;
 345                                 Assert.AreEqual (utc.Kind, DateTimeKind.Utc);
 346                                 DateTime converted = TimeZoneInfo.ConvertTimeFromUtc (utc, london);
 347                                 Assert.AreEqual (converted.Kind, DateTimeKind.Unspecified);
 348                                 DateTime back = TimeZoneInfo.ConvertTimeToUtc (converted, london);
 349                                 Assert.AreEqual (back.Kind, DateTimeKind.Utc);
 350                                 Assert.AreEqual (utc, back);
 351
 352                         }
 353                 }
 354
 355                 [TestFixture]
 356                 public class IsInvalidTimeTests
 357                 {
 358                         TimeZoneInfo london;
 359
 360                         [SetUp]
 361                         public void CreateTimeZones ()
 362                         {
 363                                 TimeZoneInfo.TransitionTime start = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,1,0,0), 3, 5, DayOfWeek.Sunday);
 364                                 TimeZoneInfo.TransitionTime end = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,2,0,0), 10, 5, DayOfWeek.Sunday);
 365                                 TimeZoneInfo.AdjustmentRule rule = TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (DateTime.MinValue.Date, DateTime.MaxValue.Date, new TimeSpan (1,0,0), start, end);
 366                                 london = TimeZoneInfo.CreateCustomTimeZone ("Europe/London", new TimeSpan (0), "Europe/London", "British Standard Time", "British Summer Time", new TimeZoneInfo.AdjustmentRule [] {rule});
 367                         }
 368
 369                 #if SLOW_TESTS
 370                         [Test]
 371                         public void UTCDate ()
 372                         {
 373                                 for (DateTime date = new DateTime (2007, 01, 01, 0, 0, 0); date < new DateTime (2007, 12, 31, 23, 59, 59); date += new TimeSpan (0,1,0)) {
 374                                         date = DateTime.SpecifyKind (date, DateTimeKind.Utc);
 375                                         Assert.IsFalse (london.IsInvalidTime (date));
 376                                 }
 377                         }
 378                 #endif
 379                         [Test]
 380                         public void InvalidDates ()
 381                         {
 382                                 Assert.IsFalse (london.IsInvalidTime (new DateTime (2007, 03, 25, 0, 59, 59)));
 383                                 Assert.IsTrue (london.IsInvalidTime (new DateTime (2007, 03, 25, 1, 0, 0)));
 384                                 Assert.IsTrue (london.IsInvalidTime (new DateTime (2007, 03, 25, 1, 59, 59)));
 385                                 Assert.IsFalse (london.IsInvalidTime (new DateTime (2007, 03, 25, 2, 0, 0)));
 386                         }
 387                 }
 388
 389                 [TestFixture]
 390                 public class IsAmbiguousTimeTests
 391                 {
 392                         TimeZoneInfo london;
 393
 394                         [SetUp]
 395                         public void CreateTimeZones ()
 396                         {
 397                                 TimeZoneInfo.TransitionTime start = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,1,0,0), 3, 5, DayOfWeek.Sunday);
 398                                 TimeZoneInfo.TransitionTime end = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,2,0,0), 10, 5, DayOfWeek.Sunday);
 399                                 TimeZoneInfo.AdjustmentRule rule = TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (DateTime.MinValue.Date, DateTime.MaxValue.Date, new TimeSpan (1,0,0), start, end);
 400                                 london = TimeZoneInfo.CreateCustomTimeZone ("Europe/London", new TimeSpan (0), "Europe/London", "British Standard Time", "British Summer Time", new TimeZoneInfo.AdjustmentRule [] {rule});
 401                         }
 402
 403                         [Test]
 404                         public void AmbiguousDates ()
 405                         {
 406                                 if (Environment.OSVersion.Platform != PlatformID.Unix)
 407                                         return;
 408                                 Assert.IsFalse (london.IsAmbiguousTime (new DateTime (2007, 10, 28, 1, 0, 0)));
 409                                 Assert.IsTrue (london.IsAmbiguousTime (new DateTime (2007, 10, 28, 1, 0, 1)));
 410                                 Assert.IsTrue (london.IsAmbiguousTime (new DateTime (2007, 10, 28, 2, 0, 0)));
 411                                 Assert.IsFalse (london.IsAmbiguousTime (new DateTime (2007, 10, 28, 2, 0, 1)));
 412                         }
 413
 414                         [Test]
 415                         public void AmbiguousUTCDates ()
 416                         {
 417                                 if (Environment.OSVersion.Platform != PlatformID.Unix)
 418                                         return;
 419                                 Assert.IsFalse (london.IsAmbiguousTime (new DateTime (2007, 10, 28, 0, 0, 0, DateTimeKind.Utc)));
 420                                 Assert.IsTrue (london.IsAmbiguousTime (new DateTime (2007, 10, 28, 0, 0, 1, DateTimeKind.Utc)));
 421                                 Assert.IsTrue (london.IsAmbiguousTime (new DateTime (2007, 10, 28, 0, 59, 59, DateTimeKind.Utc)));
 422                                 Assert.IsFalse (london.IsAmbiguousTime (new DateTime (2007, 10, 28, 1, 0, 0, DateTimeKind.Utc)));
 423                         }
 424
 425                 #if SLOW_TESTS
 426                         [Test]
 427                         public void AmbiguousInUTC ()
 428                         {
 429                                 for (DateTime date = new DateTime (2007, 01, 01, 0, 0, 0); date < new DateTime (2007, 12, 31, 23, 59, 59); date += new TimeSpan (0,1,0)) {
 430                                         Assert.IsFalse (TimeZoneInfo.Utc.IsAmbiguousTime (date));
 431                                 }
 432                         }
 433                 #endif
 434                 }
 435
 436                 [TestFixture]
 437                 public class GetSystemTimeZonesTests
 438                 {
 439                         [Test]
 440                         public void NotEmpty ()
 441                         {
 442                                 if (Environment.OSVersion.Platform != PlatformID.Unix)
 443                                         return;
 444                                 global::System.Collections.ObjectModel.ReadOnlyCollection<TimeZoneInfo> systemTZ = TimeZoneInfo.GetSystemTimeZones ();
 445                                 Assert.IsNotNull(systemTZ, "SystemTZ is null");
 446                                 Assert.IsFalse (systemTZ.Count == 0, "SystemTZ is empty");
 447                         }
 448
 449                         [Test]
 450                         public void ContainsBrussels ()
 451                         {
 452                                 if (Environment.OSVersion.Platform != PlatformID.Unix)
 453                                         return;
 454                                 global::System.Collections.ObjectModel.ReadOnlyCollection<TimeZoneInfo> systemTZ = TimeZoneInfo.GetSystemTimeZones ();
 455                                 foreach (TimeZoneInfo tz in systemTZ) {
 456                                         if (tz.Id == "Europe/Brussels")
 457                                                 return;
 458                                 }
 459                                 Assert.Fail ("Europe/Brussels not found in SystemTZ");
 460                         }
 461                 }
 462
 463                 [TestFixture]
 464                 public class FindSystemTimeZoneByIdTests
 465                 {
 466                         [Test]
 467                         [ExpectedException (typeof (ArgumentNullException))]
 468                         public void NullId ()
 469                         {
 470                                 TimeZoneInfo.FindSystemTimeZoneById (null);
 471                         }
 472
 473                         [Test]
 474                         [ExpectedException (typeof (TimeZoneNotFoundException))]
 475                         public void NonSystemTimezone ()
 476                         {
 477                                 if (Environment.OSVersion.Platform != PlatformID.Unix)
 478                                         throw new TimeZoneNotFoundException ();
 479                                 TimeZoneInfo.FindSystemTimeZoneById ("Neverland/The_Lagoon");
 480                         }
 481
 482                         [Test]
 483                         public void FindBrusselsTZ ()
 484                         {
 485                                 if (Environment.OSVersion.Platform != PlatformID.Unix)
 486                                         return;
 487                                 TimeZoneInfo brussels = TimeZoneInfo.FindSystemTimeZoneById ("Europe/Brussels");
 488                                 Assert.IsNotNull (brussels);
 489                         }
 490
 491                         [Test]
 492                         public void OffsetIsCorrectInKinshasa ()
 493                         {
 494                                 if (Environment.OSVersion.Platform != PlatformID.Unix)
 495                                         return;
 496                                 TimeZoneInfo kin = TimeZoneInfo.FindSystemTimeZoneById ("Africa/Kinshasa");
 497                                 Assert.AreEqual (new TimeSpan (1,0,0), kin.BaseUtcOffset, "BaseUtcOffset in Kinshasa is not +1h");
 498                         }
 499
 500                         [Test]
 501                         public void OffsetIsCorrectInBrussels ()
 502                         {
 503                                 if (Environment.OSVersion.Platform != PlatformID.Unix)
 504                                         return;
 505                                 TimeZoneInfo brussels = TimeZoneInfo.FindSystemTimeZoneById ("Europe/Brussels");
 506                                 Assert.AreEqual (new TimeSpan (1,0,0), brussels.BaseUtcOffset, "BaseUtcOffset for Brussels is not +1h");
 507                         }
 508
 509                         [Test]
 510                         public void NoDSTInKinshasa ()
 511                         {
 512                                 if (Environment.OSVersion.Platform != PlatformID.Unix)
 513                                         return;
 514                                 TimeZoneInfo kin = TimeZoneInfo.FindSystemTimeZoneById ("Africa/Kinshasa");
 515                                 Assert.IsFalse (kin.SupportsDaylightSavingTime);
 516                         }
 517
 518                         [Test]
 519                         public void BrusselsSupportsDST ()
 520                         {
 521                                 if (Environment.OSVersion.Platform != PlatformID.Unix)
 522                                         return;
 523                                 TimeZoneInfo brussels = TimeZoneInfo.FindSystemTimeZoneById ("Europe/Brussels");
 524                                 Assert.IsTrue (brussels.SupportsDaylightSavingTime);
 525                         }
 526
 527                         [Test]
 528                         public void MelbourneSupportsDST ()
 529                         {
 530                                 if (Environment.OSVersion.Platform != PlatformID.Unix)
 531                                         return;
 532                                 TimeZoneInfo melbourne = TimeZoneInfo.FindSystemTimeZoneById ("Australia/Melbourne");
 533                                 Assert.IsTrue (melbourne.SupportsDaylightSavingTime);
 534                         }
 535
 536                         [Test]
 537                         public void RomeAndVaticanSharesTime ()
 538                         {
 539                                 if (Environment.OSVersion.Platform != PlatformID.Unix)
 540                                         return;
 541                                 TimeZoneInfo rome = TimeZoneInfo.FindSystemTimeZoneById ("Europe/Rome");
 542                                 TimeZoneInfo vatican = TimeZoneInfo.FindSystemTimeZoneById ("Europe/Vatican");
 543                                 Assert.IsTrue (rome.HasSameRules (vatican));
 544                         }
 545
 546                         [Test]
 547                         public void FindSystemTimeZoneById_Local_Roundtrip ()
 548                         {
 549                                 Assert.AreEqual (TimeZoneInfo.Local.Id, TimeZoneInfo.FindSystemTimeZoneById (TimeZoneInfo.Local.Id).Id);
 550                         }
 551
 552                         [Test]
 553                         public void Test326 ()
 554                         {
 555                                 DateTime utc = DateTime.UtcNow;
 556                                 DateTime local = TimeZoneInfo.ConvertTime (utc, TimeZoneInfo.Utc, TimeZoneInfo.FindSystemTimeZoneById (TimeZoneInfo.Local.Id));
 557                                 Assert.AreEqual (local, utc + TimeZoneInfo.Local.GetUtcOffset (utc), "ConvertTime/Local");
 558                         }
 559
 560                 #if SLOW_TESTS
 561                         [Test]
 562                         public void BrusselsAdjustments ()
 563                         {
 564                                 TimeZoneInfo.TransitionTime start = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,2,0,0), 3, 5, DayOfWeek.Sunday);
 565                                 TimeZoneInfo.TransitionTime end = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,3,0,0), 10, 5, DayOfWeek.Sunday);
 566                                 TimeZoneInfo.AdjustmentRule rule = TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (DateTime.MinValue.Date, DateTime.MaxValue.Date, new TimeSpan (1,0,0), start, end);
 567                                 TimeZoneInfo brussels = TimeZoneInfo.CreateCustomTimeZone ("Europe/Brussels", new TimeSpan (1, 0, 0), "Europe/Brussels", "", "", new TimeZoneInfo.AdjustmentRule [] {rule});
 568
 569                                 TimeZoneInfo brussels_sys = TimeZoneInfo.FindSystemTimeZoneById ("Europe/Brussels");
 570
 571                                 for (DateTime date = new DateTime (2006, 01, 01, 0, 0, 0, DateTimeKind.Local); date < new DateTime (2007, 12, 31, 23, 59, 59); date += new TimeSpan (0,30,0)) {
 572                                         Assert.AreEqual (brussels.GetUtcOffset (date), brussels_sys.GetUtcOffset (date));
 573                                         Assert.AreEqual (brussels.IsDaylightSavingTime (date), brussels_sys.IsDaylightSavingTime (date));
 574                                 }
 575                         }
 576                 #endif
 577                 }
 578
 579                 [TestFixture]
 580                 public class GetAmbiguousTimeOffsetsTests
 581                 {
 582                         [Test]
 583                         [ExpectedException (typeof(ArgumentException))]
 584                         public void DateIsNotAmbiguous ()
 585                         {
 586                                 if (Environment.OSVersion.Platform != PlatformID.Unix)
 587                                         throw new ArgumentException ();
 588                                 TimeZoneInfo brussels = TimeZoneInfo.FindSystemTimeZoneById ("Europe/Brussels");
 589                                 DateTime date = new DateTime (2007, 05, 11, 11, 40, 00);
 590                                 brussels.GetAmbiguousTimeOffsets (date);
 591                         }
 592
 593                         [Test]
 594                         public void AmbiguousOffsets ()
 595                         {
 596                                 if (Environment.OSVersion.Platform != PlatformID.Unix)
 597                                         return;
 598                                 TimeZoneInfo brussels = TimeZoneInfo.FindSystemTimeZoneById ("Europe/Brussels");
 599                                 DateTime date = new DateTime (2007, 10, 28, 2, 30, 00);
 600                                 Assert.IsTrue (brussels.IsAmbiguousTime (date));
 601                                 Assert.AreEqual (2, brussels.GetAmbiguousTimeOffsets (date).Length);
 602                                 Assert.AreEqual (new TimeSpan[] {new TimeSpan (1, 0, 0), new TimeSpan (2, 0, 0)}, brussels.GetAmbiguousTimeOffsets (date));
 603                         }
 604                 }
 605
 606                 [TestFixture]
 607                 public class HasSameRulesTests
 608                 {
 609                         [Test]
 610                         public void NullAdjustments () //bnc #391011
 611                         {
 612                                 TimeZoneInfo utc = TimeZoneInfo.Utc;
 613                                 TimeZoneInfo custom = TimeZoneInfo.CreateCustomTimeZone ("Custom", new TimeSpan (0), "Custom", "Custom");
 614                                 Assert.IsTrue (utc.HasSameRules (custom));
 615                         }
 616                 }
 617         }
 618 }
 619 #endif