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//
// TimeZoneTest.cs - NUnit Test Cases for the System.TimeZone struct
//
// Authors:
// Martin Baulig (martin@gnome.org)
// Sebastien Pouliot <sebastien@ximian.com>
//
// (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 CultureInfo oldcult;
public TimeZoneTest() {}
[SetUp]
protected void SetUp ()
{
oldcult = Thread.CurrentThread.CurrentCulture;
Thread.CurrentThread.CurrentCulture = new CultureInfo ("");
}
[TearDown]
protected void TearDown ()
{
Thread.CurrentThread.CurrentCulture = oldcult;
}
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.AreEqual("BST", 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");
}
[Test]
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;
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 (ms);
Assert.AreEqual (tz.DaylightName, clone.DaylightName, "DaylightName");
Assert.AreEqual (tz.StandardName, clone.StandardName, "StandardName");
}
static private byte[] serialized_timezone = {
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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)
return;
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");
}
}
}
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