System.TimeZone.GetDaylightChanges C# (CSharp) Méthode

        public abstract DaylightTime GetDaylightChanges(int year);

	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");
	}