public void ConvertAEDTToUTCTest()
{
var dtLocal = DateTime.Parse(new DateTime(2014, 4, 30, 0, 0, 0).ToString());
// convert AEDT to UTC
// When AEST is DST, the difference between AEST and UTC is 11 hours
// todo: need to find a way to create a AEDT localtime
dtLocal = DateTime.Parse(new DateTime(2014, 3, 30, 0, 0, 0).ToString());
var dtAEDTtoUTC = TimeHelper.ConvertToTimezone(dtLocal, TimeHelper.AEST, TimeHelper.UTC);
// Assert.IsTrue(dtLocal.IsDaylightSavingTime());
dtLocal.Should().Be(dtAEDTtoUTC.AddHours(11));
// convert to GMT (non-Daylight saving time)
// When AEST is DST and GMT is not DST, the difference between two is 11 hours
var dtAEDSTtoGMT = TimeHelper.ConvertToTimezone(dtLocal, TimeHelper.AEST, TimeHelper.GMT);
dtLocal.Should().Be(dtAEDSTtoGMT.AddHours(11));
}
public void ConvertAESTToUTCTest()
{
// convert AEST to UTC
// When AEST is not DST
var dtLocal = DateTime.Parse(new DateTime(2014, 4, 30, 0, 0, 0).ToString());
var dtAESTtoUTC = TimeHelper.ConvertToTimezone(dtLocal, TimeHelper.AEST, TimeHelper.UTC);
dtLocal.IsDaylightSavingTime().Should().BeFalse();
dtLocal.Should().Be(dtAESTtoUTC.AddHours(10));
// use ToUniversalTime
// When AEST is not DST and GMT is not DST, the difference between AEST and GMT is 10 hours
dtAESTtoUTC = dtLocal.ToUniversalTime();
dtLocal.Should().Be(dtAESTtoUTC.AddHours(_offset.Hours));
// convert to GMT (Daylight saving time)
// When AEST is not DST and GMT is DST, the difference between AEST and GMT is 9 hours
var dtAESTtoGMT = TimeHelper.ConvertToTimezone(dtLocal, TimeZoneInfo.Local, TimeHelper.GMT);
dtAESTtoGMT.IsDaylightSavingTime().Should().BeFalse();
TimeHelper.GMT.IsDaylightSavingTime(dtAESTtoGMT).Should().BeTrue();
dtLocal.Should().Be(dtAESTtoGMT.AddHours(_offset.Hours - 1));
}
public void ConvertToTimezoneTest()
{
// convert local to utc
DateTime dateTimeLocal = DateTime.Now;
var offset = TimeZoneInfo.Local.GetUtcOffset(DateTime.UtcNow);
bool isDaylightSavingTime = dateTimeLocal.IsDaylightSavingTime();
if (isDaylightSavingTime)
{
Assert.IsTrue(dateTimeLocal.AddHours(offset.Hours * -1) == dateTimeLocal.ToUniversalTime());
}
else
{
Assert.IsTrue(dateTimeLocal.AddHours(offset.Hours * -1) == dateTimeLocal.ToUniversalTime());
}
// convert undefined to local. ToLocalTime assume the unspecified time as UTC
DateTime dateTimeUnspecified = DateTime.Parse(DateTime.Today.ToString());
DateTime local = dateTimeUnspecified.ToLocalTime();
if (offset.Hours != 0)
{
Assert.IsFalse(dateTimeUnspecified == local);
}
// convert AEST to UTC
// When AEST is not DST
DateTime dtLocal = DateTime.Parse(new DateTime(2014, 4, 30, 0, 0, 0).ToString());
DateTime dtAESTtoUTC = TimeHelper.ConvertToTimezone(dtLocal, TimeHelper.AEST, TimeHelper.UTC);
Assert.IsFalse(dtLocal.IsDaylightSavingTime());
Assert.IsTrue(dtLocal == dtAESTtoUTC.AddHours(10));
// use ToUniversalTime
// When AEST is not DST and GMT is not DST, the difference between AEST and GMT is 10 hours
dtAESTtoUTC = dtLocal.ToUniversalTime();
Assert.IsTrue(dtLocal == dtAESTtoUTC.AddHours(offset.Hours));
// convert to GMT (Daylight saving time)
// When AEST is not DST and GMT is DST, the difference between AEST and GMT is 9 hours
DateTime dtAESTtoGMT = TimeHelper.ConvertToTimezone(dtLocal, TimeZoneInfo.Local, TimeHelper.GMT);
Assert.IsFalse(dtAESTtoGMT.IsDaylightSavingTime());
Assert.IsTrue(TimeHelper.GMT.IsDaylightSavingTime(dtAESTtoGMT));
Assert.IsTrue(dtLocal == dtAESTtoGMT.AddHours(offset.Hours - 1));
// convert AEDT to UTC
// When AEST is DST, the difference between AEST and UTC is 11 hours
// todo: need to find a way to create a AEDT localtime
dtLocal = DateTime.Parse(new DateTime(2014, 3, 30, 0, 0, 0).ToString());
DateTime dtAEDTtoUTC = TimeHelper.ConvertToTimezone(dtLocal, TimeHelper.AEST, TimeHelper.UTC);
// Assert.IsTrue(dtLocal.IsDaylightSavingTime());
Assert.IsTrue(dtLocal == dtAEDTtoUTC.AddHours(11));
// convert to GMT (non-Daylight saving time)
// When AEST is DST and GMT is not DST, the difference between two is 11 hours
DateTime dtAEDSTtoGMT = TimeHelper.ConvertToTimezone(dtLocal, TimeHelper.AEST, TimeHelper.GMT);
Assert.IsTrue(dtLocal == dtAEDSTtoGMT.AddHours(11));
}