// // TimeZoneTest.cs - NUnit Test Cases for the System.TimeZone struct // // Authors: // Martin Baulig (martin@gnome.org) // Sebastien Pouliot // // (C) 2002 Martin Baulig // Copyright (C) 2005 Novell, Inc (http://www.novell.com) // using NUnit.Framework; using System; using System.IO; using System.Threading; using System.Globalization; using System.Runtime.Serialization.Formatters.Binary; namespace MonoTests.System { [TestFixture] public class TimeZoneTest { private void CET (TimeZone t1) { Assert.AreEqual("CET", t1.StandardName, "A01"); Assert.AreEqual("CEST", t1.DaylightName, "A02"); DaylightTime d1 = t1.GetDaylightChanges (2002); Assert.AreEqual("03/31/2002 02:00:00", d1.Start.ToString ("G"), "A03"); Assert.AreEqual("10/27/2002 03:00:00", d1.End.ToString ("G"), "A04"); Assert.AreEqual(36000000000L, d1.Delta.Ticks, "A05"); DaylightTime d2 = t1.GetDaylightChanges (1996); Assert.AreEqual("03/31/1996 02:00:00", d2.Start.ToString ("G"), "A06"); Assert.AreEqual("10/27/1996 03:00:00", d2.End.ToString ("G"), "A07"); Assert.AreEqual(36000000000L, d2.Delta.Ticks, "A08"); DateTime d3 = new DateTime (2002,2,25); Assert.AreEqual(false, t1.IsDaylightSavingTime (d3), "A09"); DateTime d4 = new DateTime (2002,4,2); Assert.AreEqual(true, t1.IsDaylightSavingTime (d4), "A10"); DateTime d5 = new DateTime (2002,11,4); Assert.AreEqual(false, t1.IsDaylightSavingTime (d5), "A11"); Assert.AreEqual(36000000000L, t1.GetUtcOffset (d3).Ticks, "A12"); Assert.AreEqual(72000000000L, t1.GetUtcOffset (d4).Ticks, "A13"); Assert.AreEqual(36000000000L, t1.GetUtcOffset (d5).Ticks, "A14"); } private void EST (TimeZone t1) { // It could be EST though... //Assert.AreEqual("Eastern Standard Time", t1.StandardName, "B01"); //Assert.AreEqual("Eastern Daylight Time", t1.DaylightName, "B02"); DaylightTime d1 = t1.GetDaylightChanges (2002); Assert.AreEqual("04/07/2002 02:00:00", d1.Start.ToString ("G"), "B03"); Assert.AreEqual("10/27/2002 02:00:00", d1.End.ToString ("G"), "B04"); Assert.AreEqual(36000000000L, d1.Delta.Ticks, "B05"); DaylightTime d2 = t1.GetDaylightChanges (1996); Assert.AreEqual("04/07/1996 02:00:00", d2.Start.ToString ("G"), "B06"); Assert.AreEqual("10/27/1996 02:00:00", d2.End.ToString ("G"), "B07"); Assert.AreEqual(36000000000L, d2.Delta.Ticks, "B08"); DateTime d3 = new DateTime (2002,2,25); Assert.AreEqual(false, t1.IsDaylightSavingTime (d3), "B09"); DateTime d4 = new DateTime (2002,4,8); Assert.AreEqual(true, t1.IsDaylightSavingTime (d4), "B10"); DateTime d5 = new DateTime (2002,11,4); Assert.AreEqual(false, t1.IsDaylightSavingTime (d5), "B11"); Assert.AreEqual(-180000000000L, t1.GetUtcOffset (d3).Ticks, "B12"); Assert.AreEqual(-144000000000L, t1.GetUtcOffset (d4).Ticks, "B13"); Assert.AreEqual(-180000000000L, t1.GetUtcOffset (d5).Ticks, "B14"); } private void TST (TimeZone t1) { Assert.AreEqual("Tokyo Standard Time", t1.StandardName, "C01"); Assert.AreEqual("Tokyo Standard Time", t1.DaylightName, "C02"); DateTime d3 = new DateTime (2002,2,25); Assert.AreEqual(false, t1.IsDaylightSavingTime (d3), "C09"); DateTime d4 = new DateTime (2002,4,8); Assert.AreEqual(false, t1.IsDaylightSavingTime (d4), "C10"); DateTime d5 = new DateTime (2002,11,4); Assert.AreEqual(false, t1.IsDaylightSavingTime (d5), "C11"); Assert.AreEqual(324000000000L, t1.GetUtcOffset (d3).Ticks, "C12"); Assert.AreEqual(324000000000L, t1.GetUtcOffset (d4).Ticks, "C13"); Assert.AreEqual(324000000000L, t1.GetUtcOffset (d5).Ticks, "C14"); } private void GMT (TimeZone t1) { // Probably wont work on MS.NET, but is better than nothing. Where do // we change our implementation to match theirs? Assert.AreEqual("GMT", t1.StandardName, "D01"); Assert.IsTrue("BST" == t1.DaylightName || "IST" == t1.DaylightName, "D02"); DaylightTime d1 = t1.GetDaylightChanges (2002); Assert.AreEqual("03/31/2002 01:00:00", d1.Start.ToString ("G"), "D03"); Assert.AreEqual("10/27/2002 02:00:00", d1.End.ToString ("G"), "D04"); Assert.AreEqual(36000000000L, d1.Delta.Ticks, "D05"); DaylightTime d2 = t1.GetDaylightChanges (1996); Assert.AreEqual("03/31/1996 01:00:00", d2.Start.ToString ("G"), "D06"); Assert.AreEqual("10/27/1996 02:00:00", d2.End.ToString ("G"), "D07"); Assert.AreEqual(36000000000L, d2.Delta.Ticks, "D08"); DateTime d3 = new DateTime (2002,2,25); Assert.AreEqual(false, t1.IsDaylightSavingTime (d3), "D09"); DateTime d4 = new DateTime (2002,4,2); Assert.AreEqual(true, t1.IsDaylightSavingTime (d4), "D10"); DateTime d5 = new DateTime (2002,11,4); Assert.AreEqual(false, t1.IsDaylightSavingTime (d5), "D11"); Assert.AreEqual(0L, t1.GetUtcOffset (d3).Ticks, "D12"); Assert.AreEqual(36000000000L, t1.GetUtcOffset (d4).Ticks, "D13"); Assert.AreEqual(0L, t1.GetUtcOffset (d5).Ticks, "D14"); } private void NZST(TimeZone t1) { Assert.AreEqual("NZST", t1.StandardName, "E01"); Assert.AreEqual("NZDT", t1.DaylightName, "E02"); DaylightTime d1 = t1.GetDaylightChanges (2013); Assert.AreEqual("09/29/2013 02:00:00", d1.Start.ToString ("G"), "E03"); Assert.AreEqual("04/07/2013 03:00:00", d1.End.ToString ("G"), "E04"); Assert.AreEqual(36000000000L, d1.Delta.Ticks, "E05"); DaylightTime d2 = t1.GetDaylightChanges (2001); Assert.AreEqual("10/07/2001 02:00:00", d2.Start.ToString ("G"), "E06"); Assert.AreEqual("03/18/2001 03:00:00", d2.End.ToString ("G"), "E07"); Assert.AreEqual(36000000000L, d2.Delta.Ticks, "E08"); DateTime d3 = new DateTime(2013,02,15); Assert.AreEqual(true, t1.IsDaylightSavingTime (d3), "E09"); DateTime d4 = new DateTime(2013,04,30); Assert.AreEqual(false, t1.IsDaylightSavingTime (d4), "E10"); DateTime d5 = new DateTime(2013,11,03); Assert.AreEqual(true, t1.IsDaylightSavingTime (d5), "E11"); Assert.AreEqual(36000000000L /*hour*/ * 13L, t1.GetUtcOffset (d3).Ticks, "E12"); Assert.AreEqual(36000000000L /*hour*/ * 12L, t1.GetUtcOffset (d4).Ticks, "E13"); Assert.AreEqual(36000000000L /*hour*/ * 13L, t1.GetUtcOffset (d5).Ticks, "E14"); } [Test] [Culture ("")] public void TestCtors () { TimeZone t1 = TimeZone.CurrentTimeZone; switch (t1.StandardName) { case "CET": CET (t1); break; case "Eastern Standard Time": case "EST": EST (t1); break; case "Tokyo Standard Time": TST (t1); break; case "GMT": GMT (t1); break; case "NZST": NZST (t1); break; default: NUnit.Framework.Assert.Ignore ("Your time zone (" + t1.StandardName + ") isn't defined in the test case"); break; } } [Test] [Category ("TargetJvmNotWorking")] public void CurrentTimeZone_SerializationRoundtrip () { TimeZone tz = TimeZone.CurrentTimeZone; BinaryFormatter bf = new BinaryFormatter (); MemoryStream ms = new MemoryStream (); bf.Serialize (ms, tz); ms.Position = 0; TimeZone clone = (TimeZone) bf.Deserialize 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0x00, 0x10, 0xFA, 0x0F, 0x3D, 0xF2, 0xBC, 0x08, 0x00, 0x50, 0xD5, 0xB1, 0xC1, 0x91, 0xBD, 0x08, 0x00, 0x68, 0xC4, 0x61, 0x08, 0x00, 0x00, 0x00, 0x01, 0x07, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x50, 0x0C, 0x0F, 0xEF, 0xAB, 0xC3, 0x08, 0x00, 0x90, 0xE7, 0xB0, 0x73, 0x4B, 0xC4, 0x08, 0x00, 0x68, 0xC4, 0x61, 0x08, 0x00, 0x00, 0x00, 0x0B #endif }; [Test] [Category ("NotWorking")] // 1.x - deserialize but strings are null // 2.x - eexception when creating a datetime with a negative value public void DeserializeKnownValue () { MemoryStream ms = new MemoryStream (serialized_timezone); BinaryFormatter bf = new BinaryFormatter (); TimeZone tz = (TimeZone) bf.Deserialize (ms); Assert.AreEqual ("Eastern Daylight Time", tz.DaylightName, "DaylightName"); Assert.AreEqual ("Eastern Standard Time", tz.StandardName, "StandardName"); } [Test] public void ToLocalTimeAtDSTBoundaries () { TimeZone tz = TimeZone.CurrentTimeZone; DateTime dst_start_utc = tz.GetDaylightChanges(2007).Start.ToUniversalTime (); if (dst_start_utc == DateTime.MinValue) Assert.Ignore ("Couldn't get beginning of daylight saving time in 2007."); Assert.IsTrue (tz.ToLocalTime (dst_start_utc.Subtract (new TimeSpan (0, 1, 0))) < tz.ToLocalTime (dst_start_utc), "0:1:59 < 0:3:00"); Assert.IsTrue (tz.ToLocalTime (dst_start_utc) < tz.ToLocalTime (dst_start_utc.Add (new TimeSpan (0, 1, 0))), "0:3:00 < 0:3:01"); Assert.IsTrue (tz.ToLocalTime (dst_start_utc.Add (new TimeSpan (0, 1, 0))) < tz.ToLocalTime (dst_start_utc.Add (new TimeSpan (0, 59, 0))), "0:3:01 < 0:3:59"); Assert.IsTrue (tz.ToLocalTime (dst_start_utc.Add (new TimeSpan (0, 59, 0))) < tz.ToLocalTime (dst_start_utc.Add (new TimeSpan (1, 0, 0))), "0:3:59 < 0:4:00"); Assert.IsTrue (tz.ToLocalTime (dst_start_utc.Add (new TimeSpan (1, 0, 0))) < tz.ToLocalTime (dst_start_utc.Add (new TimeSpan (1, 1, 0))), "0:4:00 < 0:4:01"); } [Test] public void GetUtcOffsetAtDSTBoundary () { /* * Getting a definitive list of timezones which do or don't observe Daylight * Savings is difficult (can't say America's or USA definitively) and lengthy see * * http://en.wikipedia.org/wiki/Daylight_saving_time_by_country * * as a good starting point for a list. * * The following are SOME of the timezones/regions which do support daylight savings. * * Pacific/Auckland * Pacific/Sydney * USA (EST, CST, MST, PST, AKST) note this does not cover all states or regions * Europe/London (GMT) * CET (member states of the European Union) * * This test should work in all the above timezones */ TimeZone tz = TimeZone.CurrentTimeZone; DaylightTime daylightChanges = tz.GetDaylightChanges(2007); DateTime dst_end = daylightChanges.End; if (dst_end == DateTime.MinValue) Assert.Ignore (tz.StandardName + " did not observe daylight saving time during 2007."); var standardOffset = tz.GetUtcOffset(daylightChanges.Start.AddMinutes(-1)); Assert.AreEqual(standardOffset, tz.GetUtcOffset (dst_end)); Assert.AreEqual(standardOffset, tz.GetUtcOffset (dst_end.Add (daylightChanges.Delta.Negate ().Add (TimeSpan.FromSeconds(1))))); Assert.AreEqual(standardOffset, tz.GetUtcOffset (dst_end.Add(daylightChanges.Delta.Negate ()))); Assert.AreNotEqual(standardOffset, tz.GetUtcOffset (dst_end.Add(daylightChanges.Delta.Negate ().Add (TimeSpan.FromSeconds(-1))))); } [Test] public void StaticProperties () { Assert.IsNotNull (TimeZoneInfo.Local, "Local"); Assert.IsNotNull (TimeZoneInfo.Utc, "Utc"); } [Test] public void FindSystemTimeZoneById () { TimeZoneInfo tzi = TimeZoneInfo.FindSystemTimeZoneById ("Canada/Eastern"); Assert.AreEqual ("EDT", tzi.DaylightName, "DaylightName"); Assert.AreEqual ("EST", tzi.StandardName, "StandardName"); Assert.IsTrue (tzi.SupportsDaylightSavingTime, "SupportsDaylightSavingTime"); } #if MOBILE // On device we cannot read the OS file system to look for /etc/localtime // and /usr/share/zoneinfo - so we must initialize the BCL TimeZoneInfo // from NSTimeZoneInfo. The tests here check the code paths between the // two types - if they break then TimeZoneInfo work work at all // ref: http://bugzilla.xamarin.com/show_bug.cgi?id=1790 bool incomplete_data_on_simulator_only_bug; [Test] public void GetSystemTimeZones () { // if test is executed a second time then it report less than 400 (about 127) items available if (incomplete_data_on_simulator_only_bug) Assert.Ignore ("known to fail on some iOS simulator versions - see source comments"); try { Assert.That (TimeZoneInfo.GetSystemTimeZones ().Count, Is.GreaterThan (400), "GetSystemTimeZones"); } catch (NullReferenceException) { // that's a weird one. It failed on iOS 5.1 *beta* simulator (on Lion) but it worked on *final* // now it fails on Snow Leopard the same way (incomplete data) with iOS5 simulator (OS update ?) // but it *never*ever* failed on devices incomplete_data_on_simulator_only_bug = true; #if XAMCORE_2_0 if (ObjCRuntime.Runtime.Arch == ObjCRuntime.Arch.SIMULATOR) #else if (MonoTouch.ObjCRuntime.Runtime.Arch == MonoTouch.ObjCRuntime.Arch.SIMULATOR) #endif Assert.Ignore ("known to fail on some iOS simulator versions - see source comments"); } } #endif } }