2007-12-20 Stephane Delcroix <[email protected]>

	* TimeZoneInfoTest.cs:
	* TimeZoneInfo.AdjustmentRule.cs:
	* TimeZoneInfo.TransitionTime.cs: Finally adding the 60 tests.

svn path=/trunk/mcs/; revision=91702

mcs/class/System.Core/System.Core_test.dll.sources

@@ -1,3 +1,6 @@
+System/TimeZoneInfoTest.cs
+System/TimeZoneInfo.AdjustmentRuleTest.cs
+System/TimeZoneInfo.TransitionTimeTest.cs
 System.Collections.Generic/HashSetTest.cs
 System.Linq/EnumerableTest.cs
 System.Linq/QueryableTest.cs

mcs/class/System.Core/Test/System/ChangeLog

@@ -0,0 +1,5 @@
+2007-12-20  Stephane Delcroix  <[email protected]>
+
+	* TimeZoneInfoTest.cs:
+	* TimeZoneInfo.AdjustmentRule.cs:
+	* TimeZoneInfo.TransitionTime.cs: Finally adding the 60 tests.

mcs/class/System.Core/Test/System/TimeZoneInfo.AdjustmentRuleTest.cs

@@ -0,0 +1,91 @@
+using System;
+using NUnit.Framework;
+
+#if NET_2_0
+namespace MonoTests.System
+{
+	public class TimeZoneInfo_AdjustmentRuleTest
+	{	
+		[TestFixture]
+		public class CreateAdjustmentRuleException
+		{
+			[Test]
+			[ExpectedException (typeof (ArgumentException))]
+			public void DateTimeKindNotUnspecified ()
+			{
+				DateTime dateStart = new DateTime (2007,01,01, 0,0,0,DateTimeKind.Utc);
+				DateTime dateEnd = new DateTime (2008,01,01);
+				TimeZoneInfo.TransitionTime daylightTransitionStart = TimeZoneInfo.TransitionTime.CreateFixedDateRule (new DateTime (1,1,1,2,0,0), 03, 11);
+				TimeZoneInfo.TransitionTime daylightTransitionEnd = TimeZoneInfo.TransitionTime.CreateFixedDateRule (new DateTime (1,1,1,2,0,0), 10, 11);
+				TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (dateStart, dateEnd, new TimeSpan (1,0,0), daylightTransitionStart, daylightTransitionEnd);
+			}
+		
+			[Test]
+			[ExpectedException (typeof (ArgumentException))]
+			public void TransitionEndEqualStart ()
+			{
+				DateTime dateStart = new DateTime (2007,01,01);
+				DateTime dateEnd = new DateTime (2008,01,01);
+				TimeZoneInfo.TransitionTime daylightTransition = TimeZoneInfo.TransitionTime.CreateFixedDateRule (new DateTime (1,1,1,2,0,0), 03, 11);
+				TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (dateStart, dateEnd, new TimeSpan (1,0,0), daylightTransition, daylightTransition);
+			}
+		
+			[Test]
+			[ExpectedException (typeof (ArgumentException))]
+			public void DateIncludesTimeOfDay ()
+			{
+				DateTime dateStart = new DateTime (2007,01,01, 0,1,0);
+				DateTime dateEnd = new DateTime (2008,01,01);
+				TimeZoneInfo.TransitionTime daylightTransitionStart = TimeZoneInfo.TransitionTime.CreateFixedDateRule (new DateTime (1,1,1,2,0,0), 03, 11);
+				TimeZoneInfo.TransitionTime daylightTransitionEnd = TimeZoneInfo.TransitionTime.CreateFixedDateRule (new DateTime (1,1,1,2,0,0), 10, 11);
+				TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (dateStart, dateEnd, new TimeSpan (1,0,0), daylightTransitionStart, daylightTransitionEnd);
+			}
+		
+			[Test]
+			public void DatesMaxMinValid ()
+			{
+				try {
+					TimeZoneInfo.TransitionTime daylightTransitionStart = TimeZoneInfo.TransitionTime.CreateFixedDateRule (new DateTime (1,1,1,2,0,0), 03, 11);
+					TimeZoneInfo.TransitionTime daylightTransitionEnd = TimeZoneInfo.TransitionTime.CreateFixedDateRule (new DateTime (1,1,1,2,0,0), 10, 11);
+					TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (DateTime.MinValue.Date, DateTime.MaxValue.Date, new TimeSpan (1,0,0), daylightTransitionStart, daylightTransitionEnd);
+				} catch {
+					Assert.Fail ("DateTime.MinValue and MaxValue are not valid...");
+				}
+			}
+		
+			[Test]
+			[ExpectedException (typeof (ArgumentOutOfRangeException))]
+			public void EndBeforeStart ()
+			{
+				DateTime dateStart = new DateTime (2007,01,01);
+				DateTime dateEnd = new DateTime (2006,01,01);
+				TimeZoneInfo.TransitionTime daylightTransitionStart = TimeZoneInfo.TransitionTime.CreateFixedDateRule (new DateTime (1,1,1,2,0,0), 03, 11);
+				TimeZoneInfo.TransitionTime daylightTransitionEnd = TimeZoneInfo.TransitionTime.CreateFixedDateRule (new DateTime (1,1,1,2,0,0), 10, 11);
+				TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (dateStart, dateEnd, new TimeSpan (1,0,0), daylightTransitionStart, daylightTransitionEnd);
+			}
+		
+			[Test]
+			[ExpectedException (typeof (ArgumentOutOfRangeException))]
+			public void DeltaOutOfRange ()
+			{
+				DateTime dateStart = new DateTime (2007,01,01);
+				DateTime dateEnd = new DateTime (2008,01,01);
+				TimeZoneInfo.TransitionTime daylightTransitionStart = TimeZoneInfo.TransitionTime.CreateFixedDateRule (new DateTime (1,1,1,2,0,0), 03, 11);
+				TimeZoneInfo.TransitionTime daylightTransitionEnd = TimeZoneInfo.TransitionTime.CreateFixedDateRule (new DateTime (1,1,1,2,0,0), 10, 11);
+				TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (dateStart, dateEnd, new TimeSpan (14,1,0), daylightTransitionStart, daylightTransitionEnd);
+			}
+		
+			[Test]
+			[ExpectedException (typeof (ArgumentOutOfRangeException))]
+			public void DeltaNotInSeconds ()
+			{
+				DateTime dateStart = new DateTime (2007,01,01);
+				DateTime dateEnd = new DateTime (2008,01,01);
+				TimeZoneInfo.TransitionTime daylightTransitionStart = TimeZoneInfo.TransitionTime.CreateFixedDateRule (new DateTime (1,1,1,2,0,0), 03, 11);
+				TimeZoneInfo.TransitionTime daylightTransitionEnd = TimeZoneInfo.TransitionTime.CreateFixedDateRule (new DateTime (1,1,1,2,0,0), 10, 11);
+				TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (dateStart, dateEnd, new TimeSpan (55), daylightTransitionStart, daylightTransitionEnd);
+			}
+		}	
+	}	
+}
+#endif

mcs/class/System.Core/Test/System/TimeZoneInfo.TransitionTimeTest.cs

@@ -0,0 +1,96 @@
+
+using System;
+using NUnit.Framework;
+
+#if NET_2_0
+namespace MonoTests.System
+{
+	public class TimeZoneInfo_TransitionTimeTest
+	{	
+		[TestFixture]
+		public class CreateFixedDateRuleExceptions
+		{
+			[Test]
+			[ExpectedException (typeof (ArgumentException))]
+			public void DateHasNonDefaultComponent ()
+			{
+				TimeZoneInfo.TransitionTime.CreateFixedDateRule (new DateTime (1, 1, 10, 2, 0, 0), 3, 15);
+			}
+		
+			[Test]
+			[ExpectedException (typeof (ArgumentException))]
+			public void KindNotUnspecified()
+			{
+				TimeZoneInfo.TransitionTime.CreateFixedDateRule (new DateTime (1, 1, 1, 2, 0, 0, DateTimeKind.Utc), 3, 15);
+			}
+		
+			[Test]
+			[ExpectedException (typeof (ArgumentException))]
+			public void DateNotInSeconds ()
+			{
+				TimeZoneInfo.TransitionTime.CreateFixedDateRule (new DateTime (1, 1, 1, 2, 0, 0, 77), 3, 15);
+			}
+		
+			[Test]
+			[ExpectedException (typeof (ArgumentOutOfRangeException))]
+			public void MonthOutOfRange ()
+			{
+				TimeZoneInfo.TransitionTime.CreateFixedDateRule (new DateTime (1, 1, 1, 2, 0, 0), 13, 15);
+			}
+		
+			[Test]
+			[ExpectedException (typeof (ArgumentOutOfRangeException))]
+			public void DayOutOfRange ()
+			{
+				TimeZoneInfo.TransitionTime.CreateFixedDateRule (new DateTime (1, 1, 1, 2, 0, 0), 3, -2);
+			}
+		}
+		
+		[TestFixture]
+		public class CreateFloatingDateRuleExceptions
+		{
+			[Test]
+			[ExpectedException (typeof (ArgumentException))]
+			public void DateHasNonDefaultComponent ()
+			{
+				TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1, 1, 10, 2, 0, 0), 3, 4, DayOfWeek.Sunday);
+			}
+		
+			[Test]
+			[ExpectedException (typeof (ArgumentException))]
+			public void KindNotUnspecified()
+			{
+				TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1, 1, 1, 2, 0, 0, DateTimeKind.Utc), 3, 4, DayOfWeek.Sunday);
+			}
+		
+			[Test]
+			[ExpectedException (typeof (ArgumentException))]
+			public void DateNotInSeconds ()
+			{
+				TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1, 1, 1, 2, 0, 0, 77), 3, 4, DayOfWeek.Sunday);
+			}
+		
+			[Test]
+			[ExpectedException (typeof (ArgumentOutOfRangeException))]
+			public void MonthOutOfRange ()
+			{
+				TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1, 1, 1, 2, 0, 0), 13, 4, DayOfWeek.Sunday);
+			}
+		
+			[Test]
+			[ExpectedException (typeof (ArgumentOutOfRangeException))]
+			public void WeekOutOfRange ()
+			{
+				TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1, 1, 1, 2, 0, 0), 3, -2, DayOfWeek.Sunday);
+			}
+		
+			[Test]
+			[ExpectedException (typeof (ArgumentOutOfRangeException))]
+			public void DayOfWeekOutOfRange ()
+			{
+				TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1, 1, 1, 2, 0, 0), 3, 4, (DayOfWeek)12);
+			}
+		}
+	}
+}
+#endif

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

@@ -0,0 +1,546 @@
+/*
+ * TimeZoneInfo.Tests
+ *
+ * Author(s)
+ * 	Stephane Delcroix <[email protected]>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+using System;
+using System.Collections;
+
+using NUnit.Framework;
+#if NET_2_0
+namespace MonoTests.System
+{
+	public class TimeZoneInfoTest
+	{
+		[TestFixture]
+		public class PropertiesTests
+		{
+			[Test]
+			public void GetLocal ()
+			{
+				TimeZoneInfo local = TimeZoneInfo.Local;
+				Assert.IsTrue (true);
+			}
+		}
+
+		[TestFixture]
+		public class CreateCustomTimezoneTests
+		{
+			[Test]
+			[ExpectedException (typeof (ArgumentNullException))]
+			public void IdIsNullException ()
+			{
+				TimeZoneInfo.CreateCustomTimeZone (null, new TimeSpan (0), null, null);	
+			}
+		
+			[Test]
+			[ExpectedException (typeof (ArgumentException))]
+			public void IdIsEmptyString ()
+			{
+				TimeZoneInfo.CreateCustomTimeZone ("", new TimeSpan (0), null, null);	
+			}
+		
+			[Test]
+			[ExpectedException (typeof (ArgumentException))]
+			public void OffsetIsNotMinutes ()
+			{
+				TimeZoneInfo.CreateCustomTimeZone ("mytimezone", new TimeSpan (0, 0, 55), null, null);	
+			}
+		
+			[Test]
+			[ExpectedException (typeof (ArgumentOutOfRangeException))]
+			public void OffsetTooBig ()
+			{
+				TimeZoneInfo.CreateCustomTimeZone ("mytimezone", new TimeSpan (14, 1, 0), null, null);
+			}
+		
+			[Test]
+			[ExpectedException (typeof (ArgumentOutOfRangeException))]
+			public void OffsetTooSmall ()
+			{
+				TimeZoneInfo.CreateCustomTimeZone ("mytimezone", - new TimeSpan (14, 1, 0), null, null);
+			}
+		
+		#if STRICT
+			[Test]
+			[ExpectedException (typeof (ArgumentException))]
+			public void IdLongerThan32 ()
+			{
+				TimeZoneInfo.CreateCustomTimeZone ("12345678901234567890123456789012345", new TimeSpan (0), null, null);	
+			}	
+		#endif
+		
+			[Test]
+			[ExpectedException (typeof (InvalidTimeZoneException))]
+			public void AdjustmentRulesOverlap ()
+			{
+				TimeZoneInfo.TransitionTime s1 = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 3, 2, DayOfWeek.Sunday);
+				TimeZoneInfo.TransitionTime e1 = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 10, 2, DayOfWeek.Sunday);
+				TimeZoneInfo.AdjustmentRule r1 = TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (new DateTime (2000,1,1), new DateTime (2005,1,1), new TimeSpan (1,0,0), s1, e1);
+				TimeZoneInfo.TransitionTime s2 = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 2, 2, DayOfWeek.Sunday);
+				TimeZoneInfo.TransitionTime e2 = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 11, 2, DayOfWeek.Sunday);
+				TimeZoneInfo.AdjustmentRule r2 = TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (new DateTime (2004,1,1), new DateTime (2007,1,1), new TimeSpan (1,0,0), s2, e2);
+				TimeZoneInfo.CreateCustomTimeZone ("mytimezone", new TimeSpan (6,0,0),null,null,null,new TimeZoneInfo.AdjustmentRule[] {r1, r2});
+			}
+		
+			[Test]
+			[ExpectedException (typeof (InvalidTimeZoneException))]
+			public void RulesNotOrdered ()
+			{
+				TimeZoneInfo.TransitionTime s1 = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 3, 2, DayOfWeek.Sunday);
+				TimeZoneInfo.TransitionTime e1 = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 10, 2, DayOfWeek.Sunday);
+				TimeZoneInfo.AdjustmentRule r1 = TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (new DateTime (2000,1,1), new DateTime (2005,1,1), new TimeSpan (1,0,0), s1, e1);
+				TimeZoneInfo.TransitionTime s2 = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 2, 2, DayOfWeek.Sunday);
+				TimeZoneInfo.TransitionTime e2 = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 11, 2, DayOfWeek.Sunday);
+				TimeZoneInfo.AdjustmentRule r2 = TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (new DateTime (2006,1,1), new DateTime (2007,1,1), new TimeSpan (1,0,0), s2, e2);
+				TimeZoneInfo.CreateCustomTimeZone ("mytimezone", new TimeSpan (6,0,0),null,null,null,new TimeZoneInfo.AdjustmentRule[] {r2, r1});
+			}
+		
+			[Test]
+			[ExpectedException (typeof (InvalidTimeZoneException))]
+			public void OffsetOutOfRange ()
+			{
+				TimeZoneInfo.TransitionTime startTransition = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 3, 2, DayOfWeek.Sunday);
+				TimeZoneInfo.TransitionTime endTransition = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 10, 2, DayOfWeek.Sunday);
+				TimeZoneInfo.AdjustmentRule rule = TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (new DateTime (2000,1,1), new DateTime (2005,1,1), new TimeSpan (3,0,0), startTransition, endTransition);
+				TimeZoneInfo.CreateCustomTimeZone ("mytimezone", new TimeSpan (12,0,0),null,null,null,new TimeZoneInfo.AdjustmentRule[] {rule});
+			}
+		
+			[Test]
+			[ExpectedException (typeof (InvalidTimeZoneException))]
+			public void NullRule ()
+			{
+				TimeZoneInfo.CreateCustomTimeZone ("mytimezone", new TimeSpan (12,0,0),null,null,null,new TimeZoneInfo.AdjustmentRule[] {null});
+			}
+		
+			[Test]
+			[ExpectedException (typeof (InvalidTimeZoneException))]
+			public void MultiplesRulesForDate ()
+			{
+				TimeZoneInfo.TransitionTime s1 = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 3, 2, DayOfWeek.Sunday);
+				TimeZoneInfo.TransitionTime e1 = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 10, 2, DayOfWeek.Sunday);
+				TimeZoneInfo.AdjustmentRule r1 = TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (new DateTime (2000,1,1), new DateTime (2005,1,1), new TimeSpan (1,0,0), s1, e1);
+				TimeZoneInfo.TransitionTime s2 = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 2, 2, DayOfWeek.Sunday);
+				TimeZoneInfo.TransitionTime e2 = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,4,0,0), 11, 2, DayOfWeek.Sunday);
+				TimeZoneInfo.AdjustmentRule r2 = TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (new DateTime (2005,1,1), new DateTime (2007,1,1), new TimeSpan (1,0,0), s2, e2);
+				TimeZoneInfo.CreateCustomTimeZone ("mytimezone", new TimeSpan (6,0,0),null,null,null,new TimeZoneInfo.AdjustmentRule[] {r1, r2});
+			}
+		}
+		
+		[TestFixture]
+		public class IsDaylightSavingTimeTests
+		{
+			TimeZoneInfo london;
+		
+			[SetUp]
+			public void CreateTimeZones ()
+			{
+				TimeZoneInfo.TransitionTime start = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,1,0,0), 3, 5, DayOfWeek.Sunday);
+				TimeZoneInfo.TransitionTime end = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,2,0,0), 10, 5, DayOfWeek.Sunday);
+				TimeZoneInfo.AdjustmentRule rule = TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (DateTime.MinValue.Date, DateTime.MaxValue.Date, new TimeSpan (1,0,0), start, end);
+				london = TimeZoneInfo.CreateCustomTimeZone ("Europe/London", new TimeSpan (0), "Europe/London", "British Standard Time", "British Summer Time", new TimeZoneInfo.AdjustmentRule [] {rule});
+			}
+		
+			[Test]
+			public void NoDSTInUTC ()
+			{
+				DateTime june01 = new DateTime (2007, 06, 01);
+				Assert.IsFalse (TimeZoneInfo.Utc.IsDaylightSavingTime (june01));
+			}
+		
+			[Test]
+			public void DSTInLondon ()
+			{
+				DateTime june01 = new DateTime (2007, 06, 01);
+				DateTime xmas = new DateTime (2007, 12, 25);
+				Assert.IsTrue (london.IsDaylightSavingTime (june01), "June 01 is DST in London");
+				Assert.IsFalse (london.IsDaylightSavingTime (xmas), "Xmas is not DST in London");
+			}
+		
+			[Test]
+			public void DSTTransisions ()
+			{
+				DateTime beforeDST = new DateTime (2007, 03, 25, 0, 59, 59, DateTimeKind.Unspecified);
+				DateTime startDST = new DateTime (2007, 03, 25, 2, 0, 0, DateTimeKind.Unspecified);
+				DateTime endDST = new DateTime (2007, 10, 28, 1, 59, 59, DateTimeKind.Unspecified);
+				DateTime afterDST = new DateTime (2007, 10, 28, 2, 0, 0, DateTimeKind.Unspecified);
+				Assert.IsFalse (london.IsDaylightSavingTime (beforeDST), "Just before DST");
+				Assert.IsTrue (london.IsDaylightSavingTime (startDST), "the first seconds of DST");
+				Assert.IsTrue (london.IsDaylightSavingTime (endDST), "The last seconds of DST");
+				Assert.IsFalse (london.IsDaylightSavingTime (afterDST), "Just after DST");
+			}
+		
+			[Test]
+			public void DSTTransisionsUTC ()
+			{
+				DateTime beforeDST = new DateTime (2007, 03, 25, 0, 59, 59, DateTimeKind.Utc);
+				DateTime startDST = new DateTime (2007, 03, 25, 1, 0, 0, DateTimeKind.Utc);
+				DateTime endDST = new DateTime (2007, 10, 28, 0, 59, 59, DateTimeKind.Utc);
+				DateTime afterDST = new DateTime (2007, 10, 28, 1, 0, 0, DateTimeKind.Utc);
+				Assert.IsFalse (london.IsDaylightSavingTime (beforeDST), "Just before DST");
+				Assert.IsTrue (london.IsDaylightSavingTime (startDST), "the first seconds of DST");
+				Assert.IsTrue (london.IsDaylightSavingTime (endDST), "The last seconds of DST");
+				Assert.IsFalse (london.IsDaylightSavingTime (afterDST), "Just after DST");
+			}
+		
+		#if SLOW_TESTS
+			[Test]
+			public void MatchTimeZoneBehavior ()
+			{
+				TimeZone tzone = TimeZone.CurrentTimeZone;
+				TimeZoneInfo local = TimeZoneInfo.Local;
+				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)) {
+					date = DateTime.SpecifyKind (date, DateTimeKind.Local);
+					if (local.IsInvalidTime (date))
+						continue;
+					Assert.IsTrue (tzone.IsDaylightSavingTime (date) == local.IsDaylightSavingTime (date));
+				}
+			}
+		#endif
+		}
+		
+		[TestFixture]
+		public class ConvertTimeTests
+		{
+			TimeZoneInfo london;
+		
+			[SetUp]
+			public void CreateTimeZones ()
+			{
+				TimeZoneInfo.TransitionTime start = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,1,0,0), 3, 5, DayOfWeek.Sunday);
+				TimeZoneInfo.TransitionTime end = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,2,0,0), 10, 5, DayOfWeek.Sunday);
+				TimeZoneInfo.AdjustmentRule rule = TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (DateTime.MinValue.Date, DateTime.MaxValue.Date, new TimeSpan (1,0,0), start, end);
+				london = TimeZoneInfo.CreateCustomTimeZone ("Europe/London", new TimeSpan (0), "Europe/London", "British Standard Time", "British Summer Time", new TimeZoneInfo.AdjustmentRule [] {rule});
+			}
+		
+			[Test]
+			[ExpectedException (typeof (ArgumentException))]
+			public void ConvertFromUtc_KindIsLocalException ()
+			{
+				TimeZoneInfo.ConvertTimeFromUtc (new DateTime (2007, 5, 3, 11, 8, 0, DateTimeKind.Local), TimeZoneInfo.Local);	
+			}
+		
+			[Test]
+			[ExpectedException (typeof (ArgumentNullException))]
+			public void ConvertFromUtc_DestinationTimeZoneIsNullException ()
+			{
+				TimeZoneInfo.ConvertTimeFromUtc (new DateTime (2007, 5, 3, 11, 8, 0), null);		
+			}
+		
+			[Test]
+			public void ConvertFromUtc_DestinationIsUTC ()
+			{
+				DateTime now = DateTime.UtcNow;
+				DateTime converted = TimeZoneInfo.ConvertTimeFromUtc (now, TimeZoneInfo.Utc);
+				Assert.AreEqual (now, converted);
+			}
+			
+			[Test]
+			public void ConvertFromUTC_ConvertInWinter ()
+			{
+				DateTime utc = new DateTime (2007, 12, 25, 12, 0, 0);
+				DateTime converted = TimeZoneInfo.ConvertTimeFromUtc (utc, london);
+				Assert.AreEqual (utc, converted);
+			}
+		
+			[Test]
+			public void ConvertFromUtc_ConvertInSummer ()
+			{
+				DateTime utc = new DateTime (2007, 06, 01, 12, 0, 0);
+				DateTime converted = TimeZoneInfo.ConvertTimeFromUtc (utc, london);
+				Assert.AreEqual (utc + new TimeSpan (1,0,0), converted);
+			}
+		
+			[Test]
+			public void ConvertToUTC_KindIsUtc ()
+			{
+				DateTime now = DateTime.UtcNow;
+				Assert.AreEqual (now.Kind, DateTimeKind.Utc);
+				DateTime converted = TimeZoneInfo.ConvertTimeToUtc (now);
+				Assert.AreEqual (now, converted);
+			}
+		
+			[Test]
+			[ExpectedException (typeof (ArgumentException))]
+			public void ConvertToUTC_KindIsUTCButSourceIsNot ()
+			{
+				TimeZoneInfo.ConvertTimeToUtc (new DateTime (2007, 5, 3, 12, 8, 0, DateTimeKind.Utc), london);
+			}
+		
+			[Test]
+			[ExpectedException (typeof (ArgumentException))]
+			public void ConvertToUTC_KindIsLocalButSourceIsNot ()
+			{
+				TimeZoneInfo.ConvertTimeToUtc (new DateTime (2007, 5, 3, 12, 8, 0, DateTimeKind.Local), london);	
+			}
+		
+			[Test]
+			[ExpectedException (typeof (ArgumentException))]
+			public void ConvertToUTC_InvalidDate ()
+			{
+				TimeZoneInfo.ConvertTimeToUtc (new DateTime (2007, 3, 25, 1, 30, 0), london);
+			}
+		
+			[Test]
+			[ExpectedException (typeof (ArgumentNullException))]
+			public void ConvertToUTC_SourceIsNull ()
+			{
+				TimeZoneInfo.ConvertTimeToUtc (new DateTime (2007, 5, 3, 12, 16, 0), null);
+			}
+		
+		#if SLOW_TESTS
+			[Test]
+			public void ConvertToUtc_MatchDateTimeBehavior ()
+			{
+				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)) {
+					Assert.AreEqual (TimeZoneInfo.ConvertTimeToUtc (date), date.ToUniversalTime ());
+				}
+			}
+		#endif
+		
+			[Test]
+			public void ConvertFromToUtc ()
+			{
+				DateTime utc = DateTime.UtcNow;
+				Assert.AreEqual (utc.Kind, DateTimeKind.Utc);
+				DateTime converted = TimeZoneInfo.ConvertTimeFromUtc (utc, london);
+				Assert.AreEqual (converted.Kind, DateTimeKind.Unspecified);
+				DateTime back = TimeZoneInfo.ConvertTimeToUtc (converted, london);
+				Assert.AreEqual (back.Kind, DateTimeKind.Utc);
+				Assert.AreEqual (utc, back);
+		
+			}
+		}
+		
+		[TestFixture]
+		public class IsInvalidTimeTests
+		{
+			TimeZoneInfo london;
+		
+			[SetUp]
+			public void CreateTimeZones ()
+			{
+				TimeZoneInfo.TransitionTime start = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,1,0,0), 3, 5, DayOfWeek.Sunday);
+				TimeZoneInfo.TransitionTime end = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,2,0,0), 10, 5, DayOfWeek.Sunday);
+				TimeZoneInfo.AdjustmentRule rule = TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (DateTime.MinValue.Date, DateTime.MaxValue.Date, new TimeSpan (1,0,0), start, end);
+				london = TimeZoneInfo.CreateCustomTimeZone ("Europe/London", new TimeSpan (0), "Europe/London", "British Standard Time", "British Summer Time", new TimeZoneInfo.AdjustmentRule [] {rule});
+			}
+		
+		#if SLOW_TESTS
+			[Test]
+			public void UTCDate ()
+			{
+				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)) {
+					date = DateTime.SpecifyKind (date, DateTimeKind.Utc);
+					Assert.IsFalse (london.IsInvalidTime (date));
+				}
+			}
+		#endif
+			[Test]
+			public void InvalidDates ()
+			{
+				Assert.IsFalse (london.IsInvalidTime (new DateTime (2007, 03, 25, 0, 59, 59)));
+				Assert.IsTrue (london.IsInvalidTime (new DateTime (2007, 03, 25, 1, 0, 0)));
+				Assert.IsTrue (london.IsInvalidTime (new DateTime (2007, 03, 25, 1, 59, 59)));
+				Assert.IsFalse (london.IsInvalidTime (new DateTime (2007, 03, 25, 2, 0, 0)));
+			}
+		}
+		
+		[TestFixture]
+		public class IsAmbiguousTimeTests
+		{
+			TimeZoneInfo london;
+		
+			[SetUp]
+			public void CreateTimeZones ()
+			{
+				TimeZoneInfo.TransitionTime start = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,1,0,0), 3, 5, DayOfWeek.Sunday);
+				TimeZoneInfo.TransitionTime end = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,2,0,0), 10, 5, DayOfWeek.Sunday);
+				TimeZoneInfo.AdjustmentRule rule = TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (DateTime.MinValue.Date, DateTime.MaxValue.Date, new TimeSpan (1,0,0), start, end);
+				london = TimeZoneInfo.CreateCustomTimeZone ("Europe/London", new TimeSpan (0), "Europe/London", "British Standard Time", "British Summer Time", new TimeZoneInfo.AdjustmentRule [] {rule});
+			}
+		
+			[Test]
+			public void AmbiguousDates ()
+			{
+				Assert.IsFalse (london.IsAmbiguousTime (new DateTime (2007, 10, 28, 1, 0, 0)));
+				Assert.IsTrue (london.IsAmbiguousTime (new DateTime (2007, 10, 28, 1, 0, 1)));
+				Assert.IsTrue (london.IsAmbiguousTime (new DateTime (2007, 10, 28, 2, 0, 0)));
+				Assert.IsFalse (london.IsAmbiguousTime (new DateTime (2007, 10, 28, 2, 0, 1)));
+			}
+		
+			[Test]
+			public void AmbiguousUTCDates ()
+			{
+				Assert.IsFalse (london.IsAmbiguousTime (new DateTime (2007, 10, 28, 0, 0, 0, DateTimeKind.Utc)));
+				Assert.IsTrue (london.IsAmbiguousTime (new DateTime (2007, 10, 28, 0, 0, 1, DateTimeKind.Utc)));
+				Assert.IsTrue (london.IsAmbiguousTime (new DateTime (2007, 10, 28, 0, 59, 59, DateTimeKind.Utc)));
+				Assert.IsFalse (london.IsAmbiguousTime (new DateTime (2007, 10, 28, 1, 0, 0, DateTimeKind.Utc)));
+			}
+		
+		#if SLOW_TESTS
+			[Test]
+			public void AmbiguousInUTC ()
+			{
+				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)) {
+					Assert.IsFalse (TimeZoneInfo.Utc.IsAmbiguousTime (date));
+				}
+			}
+		#endif
+		}
+		
+		[TestFixture]
+		public class GetSystemTimeZonesTests
+		{
+			[Test]
+			public void NotEmpty ()
+			{
+				global::System.Collections.ObjectModel.ReadOnlyCollection<TimeZoneInfo> systemTZ = TimeZoneInfo.GetSystemTimeZones ();
+				Assert.IsNotNull(systemTZ, "SystemTZ is null");
+				Assert.IsFalse (systemTZ.Count == 0, "SystemTZ is empty");
+			}
+		
+			[Test]
+			public void ContainsBrussels ()
+			{
+				global::System.Collections.ObjectModel.ReadOnlyCollection<TimeZoneInfo> systemTZ = TimeZoneInfo.GetSystemTimeZones ();
+				foreach (TimeZoneInfo tz in systemTZ) {
+					if (tz.Id == "Europe/Brussels")
+						return;
+				}
+				Assert.Fail ("Europe/Brussels not found in SystemTZ");
+			}
+		}
+		
+		[TestFixture]
+		public class FindSystemTimeZoneByIdTests
+		{
+			[Test]
+			[ExpectedException (typeof (ArgumentNullException))]
+			public void NullId ()
+			{
+				TimeZoneInfo.FindSystemTimeZoneById (null);
+			}
+		
+			[Test]
+			[ExpectedException (typeof (TimeZoneNotFoundException))]
+			public void NonSystemTimezone ()
+			{
+				TimeZoneInfo.FindSystemTimeZoneById ("Neverland/The_Lagoon");
+			}
+		
+			[Test]
+			public void FindBrusselsTZ ()
+			{
+				TimeZoneInfo brussels = TimeZoneInfo.FindSystemTimeZoneById ("Europe/Brussels");
+				Assert.IsNotNull (brussels);
+			}
+		
+			[Test]
+			public void OffsetIsCorrectInKinshasa ()
+			{
+				TimeZoneInfo kin = TimeZoneInfo.FindSystemTimeZoneById ("Africa/Kinshasa");
+				Assert.AreEqual (new TimeSpan (1,0,0), kin.BaseUtcOffset, "BaseUtcOffset in Kinshasa is not +1h");
+			}
+		
+			[Test]
+			public void OffsetIsCorrectInBrussels ()
+			{
+				TimeZoneInfo brussels = TimeZoneInfo.FindSystemTimeZoneById ("Europe/Brussels");
+				Assert.AreEqual (new TimeSpan (1,0,0), brussels.BaseUtcOffset, "BaseUtcOffset for Brussels is not +1h");
+			}
+		
+			[Test]
+			public void NoDSTInKinshasa ()
+			{
+				TimeZoneInfo kin = TimeZoneInfo.FindSystemTimeZoneById ("Africa/Kinshasa");
+				Assert.IsFalse (kin.SupportsDaylightSavingTime);
+			}
+		
+			[Test]
+			public void BrusselsSupportsDST ()
+			{
+				TimeZoneInfo brussels = TimeZoneInfo.FindSystemTimeZoneById ("Europe/Brussels");
+				Assert.IsTrue (brussels.SupportsDaylightSavingTime);
+			}
+		
+			[Test]
+			public void MelbourneSupportsDST ()
+			{
+				TimeZoneInfo melbourne = TimeZoneInfo.FindSystemTimeZoneById ("Australia/Melbourne");
+				Assert.IsTrue (melbourne.SupportsDaylightSavingTime);
+			}
+		
+			[Test]
+			public void RomeAndVaticanSharesTime ()
+			{
+				TimeZoneInfo rome = TimeZoneInfo.FindSystemTimeZoneById ("Europe/Rome");
+				TimeZoneInfo vatican = TimeZoneInfo.FindSystemTimeZoneById ("Europe/Vatican");
+				Assert.IsTrue (rome.HasSameRules (vatican));
+			}
+		
+		#if SLOW_TESTS
+			[Test]
+			public void BrusselsAdjustments ()
+			{
+				TimeZoneInfo.TransitionTime start = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,2,0,0), 3, 5, DayOfWeek.Sunday);
+				TimeZoneInfo.TransitionTime end = TimeZoneInfo.TransitionTime.CreateFloatingDateRule (new DateTime (1,1,1,3,0,0), 10, 5, DayOfWeek.Sunday);
+				TimeZoneInfo.AdjustmentRule rule = TimeZoneInfo.AdjustmentRule.CreateAdjustmentRule (DateTime.MinValue.Date, DateTime.MaxValue.Date, new TimeSpan (1,0,0), start, end);
+				TimeZoneInfo brussels = TimeZoneInfo.CreateCustomTimeZone ("Europe/Brussels", new TimeSpan (1, 0, 0), "Europe/Brussels", "", "", new TimeZoneInfo.AdjustmentRule [] {rule});
+		
+				TimeZoneInfo brussels_sys = TimeZoneInfo.FindSystemTimeZoneById ("Europe/Brussels");
+		
+				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)) {
+					Assert.AreEqual (brussels.GetUtcOffset (date), brussels_sys.GetUtcOffset (date));
+					Assert.AreEqual (brussels.IsDaylightSavingTime (date), brussels_sys.IsDaylightSavingTime (date));
+				}		
+			}
+		#endif
+		}
+		
+		[TestFixture]
+		public class GetAmbiguousTimeOffsetsTests
+		{
+			[Test]
+			[ExpectedException (typeof(ArgumentException))]
+			public void DateIsNotAmbiguous ()
+			{
+				TimeZoneInfo brussels = TimeZoneInfo.FindSystemTimeZoneById ("Europe/Brussels");
+				DateTime date = new DateTime (2007, 05, 11, 11, 40, 00);
+				brussels.GetAmbiguousTimeOffsets (date);
+			}
+		
+			[Test]
+			public void AmbiguousOffsets ()
+			{
+				TimeZoneInfo brussels = TimeZoneInfo.FindSystemTimeZoneById ("Europe/Brussels");
+				DateTime date = new DateTime (2007, 10, 28, 2, 30, 00);
+				Assert.IsTrue (brussels.IsAmbiguousTime (date));
+				Assert.AreEqual (2, brussels.GetAmbiguousTimeOffsets (date).Length);
+				Assert.AreEqual (new TimeSpan[] {new TimeSpan (1, 0, 0), new TimeSpan (2, 0, 0)}, brussels.GetAmbiguousTimeOffsets (date));
+			}
+		}
+	}
+}
+#endif