public void ShouldFindWindowsFromIana(string ianaId, string expectedWindowsId)
{
var tzInfo = TimeZoneMapping.Get(ianaId);
tzInfo.Should().NotBeNull();
tzInfo.Id.Should().Be(expectedWindowsId);
}
public void ShouldFindIana(string ianaId)
{
var tzInfo = TimeZoneMapping.Get(ianaId);
tzInfo.Should().NotBeNull();
tzInfo.Id.Should().Be(ianaId);
}
public static FbZonedTime CreateZonedTime(TimeSpan time, ushort tzId, short?offset)
{
if (!TimeZoneMapping.TryGetById(tzId, out var tz))
{
throw new ArgumentException("Unknown time zone ID.");
}
return(new FbZonedTime(time, tz, offset != null ? TimeSpan.FromMinutes((short)offset) : (TimeSpan?)null));
}
public void ShouldFindIana(string ianaId, string expectedValue = null)
{
var tzInfo = TimeZoneMapping.Get(ianaId);
var testValue = expectedValue ?? ianaId;
tzInfo.Should().NotBeNull();
tzInfo.Id.Should().Be(testValue);
}
public void ShouldThrowExceptionWhenNonExistent(string culture)
{
var exc = Record.Exception(() =>
ExecuteWithCulture(culture, () => TimeZoneMapping.Get("Some non-existent time zone id")));
// System.TimeZoneNotFoundException is not public in .net standard 1.3
exc.Should().NotBeNull();
exc.GetType().Name.Should().Be("TimeZoneNotFoundException");
}
public void GetAbbreviation()
{
var result1 = TimeZoneMapping.GetTZAbbreviation(tzCET);
Assert.AreEqual("CET", result1);
var result2 = TimeZoneMapping.GetTZAbbreviation(tzIST);
Assert.AreEqual("IST", result2);
}
public void ShouldFindIanaFromWindows(string windowsId, string cultureName, string ianaId)
{
ExecuteWithCulture(cultureName, () =>
{
var tzInfo = TimeZoneMapping.Get(windowsId);
tzInfo.Should().NotBeNull();
tzInfo.Id.Should().Be(ianaId);
});
}
public void GetAlternateNames()
{
var result1 = TimeZoneMapping.AlternateTZNames(tzCET);
Assert.IsTrue(result1.Contains("Romance Standard Time"));
var result2 = TimeZoneMapping.AlternateTZNames(tzIST);
Assert.IsTrue(result2.Contains("IST"));
}
public void TimingConversionNew()
{
var tzs = new string[] { tzCET, tzMSK, tzBRT, tzPST, tzIST };
Random rnd = new Random(188);
for (int i = 0; i < 10000; i++)
{
var src = rnd.Next(0, 4);
var dest = rnd.Next(0, 4);
var date = new DateTime(rnd.Next(1900, 2020), rnd.Next(1, 12), rnd.Next(1, 28), rnd.Next(0, 23), rnd.Next(0, 59), rnd.Next(0, 59), DateTimeKind.Utc);
TimeZoneMapping.ConvertTime(date, tzs[src], tzs[dest]);
}
}
public void ConvertTime()
{
// 26/06/2017 08:00 CET - 26/06/2017 09:00 MSK - 25/06/2017 23:00 PST - 26/06/2017 03:00 (UTC-03:00) Brasilia
var berlin1 = new DateTime(2018, 06, 26, 8, 00, 00);
Assert.AreEqual(new DateTime(2018, 06, 26, 9, 00, 00),
TimeZoneMapping.ConvertTime(berlin1, "Europe/Paris", "Europe/Moscow"), "CET - MSK");
Assert.AreEqual(new DateTime(2018, 06, 25, 23, 00, 00),
TimeZoneMapping.ConvertTime(berlin1, "Europe/Paris", "America/Los_Angeles"), "CET - PST");
Assert.AreEqual(new DateTime(2018, 06, 26, 3, 00, 00),
TimeZoneMapping.ConvertTime(berlin1, "Europe/Paris", "America/Sao_Paulo"), "CET - BRT");
// 26/03/2017 01:00 CET (winter time) - 26/03/2017 03:00 MSK - 25/03/2017 17:00 PST (Summer Time) . 25/03/2017 21:00 (UTC-03:00) Brasilia
var berlin2 = new DateTime(2017, 03, 26, 1, 00, 00);
Assert.AreEqual(new DateTime(2017, 03, 26, 3, 00, 00),
TimeZoneMapping.ConvertTime(berlin2, "Europe/Paris", "Europe/Moscow"), "CET - MSK");
Assert.AreEqual(new DateTime(2017, 03, 25, 17, 00, 00),
TimeZoneMapping.ConvertTime(berlin2, "Europe/Paris", "America/Los_Angeles"), "CET - PST");
Assert.AreEqual(new DateTime(2017, 03, 25, 21, 00, 00),
TimeZoneMapping.ConvertTime(berlin2, "Europe/Paris", "America/Sao_Paulo"), "CET - BRT");
// 12/03/2017 11:00 CET - 12/03/2017 13:00 MSK - 12/03/2017 03:00 PST - 12/03/2017 07:00 (UTC-03:00) Brasilia
var berlin3 = new DateTime(2017, 03, 12, 11, 00, 00);
Assert.AreEqual(new DateTime(2017, 03, 12, 13, 00, 00),
TimeZoneMapping.ConvertTime(berlin3, "Europe/Paris", "Europe/Moscow"), "CET - MSK");
Assert.AreEqual(new DateTime(2017, 03, 12, 03, 00, 00),
TimeZoneMapping.ConvertTime(berlin3, "Europe/Paris", "America/Los_Angeles"), "CET - PST");
Assert.AreEqual(new DateTime(2017, 03, 12, 07, 00, 00),
TimeZoneMapping.ConvertTime(berlin3, "Europe/Paris", "America/Sao_Paulo"), "CET - BRT");
// 18/10/2014 20:00 CET - 18/10/2014 15:00 (UTC-03:00) Brasilia
Assert.AreEqual(new DateTime(2014, 10, 18, 15, 00, 00),
TimeZoneMapping.ConvertTime(new DateTime(2014, 10, 18, 20, 00, 00), "Europe/Paris", "America/Sao_Paulo"), "CET - BRT");
// 19/10/2014 20:00 CET - 19/10/2014 16:00 (UTC-03:00) Brasilia
Assert.AreEqual(new DateTime(2014, 10, 19, 16, 00, 00),
TimeZoneMapping.ConvertTime(new DateTime(2014, 10, 19, 20, 00, 00), "Europe/Paris", "America/Sao_Paulo"), "CET - BRT");
// Do, 14. Jun 1945 at 09:00 BDST
// Mi, 13. Jun 1945 at 22:00 CAWT
Assert.AreEqual(new DateTime(1945, 06, 13, 22, 00, 00),
TimeZoneMapping.ConvertTime(new DateTime(1945, 06, 14, 09, 00, 00), "Europe/London", "America/Anchorage"), "London - Anchorage");
// Mi, 14. Nov 1945 at 07:00 GMT
// Di, 13. Nov 1945 at 21:00 CAT
Assert.AreEqual(new DateTime(1945, 11, 10, 21, 00, 00),
TimeZoneMapping.ConvertTime(new DateTime(1945, 11, 11, 07, 00, 00), "Europe/London", "America/Anchorage"), "London - Anchorage");
}
public void WithSameRule()
{
var result = TimeZoneMapping.WithSameRule(tzCET, 2017);
bool found = false;
foreach (var item in result)
{
if (item.Equals("Europe/Berlin", StringComparison.OrdinalIgnoreCase))
{
found = true;
}
}
Assert.IsTrue(found);
}
public void CopareConversion()
{
var timezone = new string[] { "Romance Standard Time",
"Russian Standard Time",
"E. South America Standard Time",
"Pacific Standard Time",
"India Standard Time" };
var tzs = new string[] { tzCET, tzMSK, tzBRT, tzPST, tzIST };
var rnd = new Random(200);
int correct = 0;
int incorrect = 0;
for (int i = 0; i < 10000; i++)
{
var src = rnd.Next(0, 4);
var dest = rnd.Next(0, 4);
var date = new DateTime(rnd.Next(1995, 2020), rnd.Next(1, 12), rnd.Next(1, 28), rnd.Next(10, 22), rnd.Next(0, 59), rnd.Next(0, 59), DateTimeKind.Unspecified);
DateTime dateNET;
try
{
dateNET = TimeZoneInfo.ConvertTimeBySystemTimeZoneId(date, timezone[src], timezone[dest]);
}
catch (ArgumentException)
{
// some local dates are not valid as they fall into the period of when time is moved forward
// so adjust by 1 hour.
dateNET = TimeZoneInfo.ConvertTimeBySystemTimeZoneId(date.AddHours(1), timezone[src], timezone[dest]);
}
var dateIANA = TimeZoneMapping.ConvertTime(date, tzs[src], tzs[dest]);
if (dateIANA.Day != dateNET.Day || dateIANA.Hour != dateNET.Hour || dateIANA.Minute != dateNET.Minute)
{
incorrect++;
Console.WriteLine($"{date} {tzs[src]} -> {dateIANA} {tzs[dest]} the .NET date {dateNET} seems off");
}
else
{
correct++;
}
}
if (incorrect > correct)
{
Assert.Fail();
}
if (incorrect > 0)
{
Assert.Inconclusive($"{incorrect} time zone conversions detected, {correct} have been correct");
}
}
public static TimeZoneInfo GetTimeZoneInfo(string zoneId)
{
return(TimeZoneMapping.Get(zoneId));
}
