public void TestDoesDayHaveLeapSecond()
{
LeapSeconds leapSeconds = new LeapSeconds();
Assert.IsTrue(leapSeconds.DoesDayHaveLeapSecond(2443509));
Assert.IsFalse(leapSeconds.DoesDayHaveLeapSecond(2443510));
}
public void TestDoesDayHaveLeapSecond()
{
LeapSeconds leapSeconds = new LeapSeconds();
Assert.IsTrue(leapSeconds.DoesDayHaveLeapSecond(2443509));
Assert.IsFalse(leapSeconds.DoesDayHaveLeapSecond(2443510));
}
public void TestGetOffsetTai()
{
JulianDate date = new JulianDate(2453736, 43222.0, TimeStandard.InternationalAtomicTime);
LeapSeconds leapSeconds = new LeapSeconds();
Assert.AreEqual(32, leapSeconds.GetTaiMinusUtc(date));
}
public void TestLeapSecondCount()
{
LeapSeconds leapSeconds = new LeapSeconds();
JulianDate utc = new JulianDate(new GregorianDate(1998, 4, 1, 12, 0, 0));
JulianDate tai = utc.ToTimeStandard(TimeStandard.InternationalAtomicTime);
Assert.AreEqual(31, leapSeconds.GetTaiMinusUtc(utc));
Assert.AreEqual(31, leapSeconds.GetTaiMinusUtc(tai));
}
public void TestLeapSecondCount()
{
LeapSeconds leapSeconds = new LeapSeconds();
JulianDate utc = new GregorianDate(1998, 4, 1, 12, 0, 0).ToJulianDate();
JulianDate tai = utc.ToTimeStandard(TimeStandard.InternationalAtomicTime);
Assert.AreEqual(31, leapSeconds.GetTaiMinusUtc(utc));
Assert.AreEqual(31, leapSeconds.GetTaiMinusUtc(tai));
}
public void TestGetLeapSecondsForDateTaiUtc()
{
LeapSeconds leapSeconds = new LeapSeconds();
JulianDate tai = new JulianDate(2447162.5, TimeStandard.InternationalAtomicTime);
JulianDate utc = tai.ToTimeStandard(TimeStandard.CoordinatedUniversalTime);
Assert.AreEqual(leapSeconds.GetTaiMinusUtc(tai), leapSeconds.GetTaiMinusUtc(utc));
utc = new JulianDate(2445151.5, TimeStandard.CoordinatedUniversalTime);
tai = utc.ToTimeStandard(TimeStandard.InternationalAtomicTime);
Assert.AreEqual(leapSeconds.GetTaiMinusUtc(utc), leapSeconds.GetTaiMinusUtc(tai));
}
public void TestGetLeapSecondsForDateTaiUtc()
{
LeapSeconds leapSeconds = new LeapSeconds();
JulianDate tai = new JulianDate(2447162.5, TimeStandard.InternationalAtomicTime);
JulianDate utc = tai.ToTimeStandard(TimeStandard.CoordinatedUniversalTime);
Assert.AreEqual(leapSeconds.GetTaiMinusUtc(tai), leapSeconds.GetTaiMinusUtc(utc));
utc = new JulianDate(2445151.5, TimeStandard.CoordinatedUniversalTime);
tai = utc.ToTimeStandard(TimeStandard.InternationalAtomicTime);
Assert.AreEqual(leapSeconds.GetTaiMinusUtc(utc), leapSeconds.GetTaiMinusUtc(tai));
}
public void TestExtremes()
{
LeapSeconds leapSeconds = new LeapSeconds();
JulianDate epochBefore = new JulianDate(2440000.5, TimeStandard.InternationalAtomicTime);
Assert.AreEqual(10, leapSeconds.GetTaiMinusUtc(epochBefore));
epochBefore = new JulianDate(epochBefore.Day, epochBefore.SecondsOfDay, TimeStandard.CoordinatedUniversalTime);
Assert.AreEqual(10, leapSeconds.GetTaiMinusUtc(epochBefore));
JulianDate epochAfter = new JulianDate(2453770.5, TimeStandard.InternationalAtomicTime);
Assert.AreEqual(33, leapSeconds.GetTaiMinusUtc(epochAfter));
epochAfter = new JulianDate(epochAfter.Day, epochAfter.SecondsOfDay, TimeStandard.CoordinatedUniversalTime);
Assert.AreEqual(33, leapSeconds.GetTaiMinusUtc(epochAfter));
}
public void TestExtremes()
{
LeapSeconds leapSeconds = new LeapSeconds();
JulianDate epochBefore = new JulianDate(2440000.5, TimeStandard.InternationalAtomicTime);
Assert.AreEqual(10, leapSeconds.GetTaiMinusUtc(epochBefore));
epochBefore = new JulianDate(epochBefore.Day, epochBefore.SecondsOfDay, TimeStandard.CoordinatedUniversalTime);
Assert.AreEqual(10, leapSeconds.GetTaiMinusUtc(epochBefore));
JulianDate epochAfter = new JulianDate(2453770.5, TimeStandard.InternationalAtomicTime);
Assert.AreEqual(33, leapSeconds.GetTaiMinusUtc(epochAfter));
epochAfter = new JulianDate(epochAfter.Day, epochAfter.SecondsOfDay, TimeStandard.CoordinatedUniversalTime);
Assert.AreEqual(33, leapSeconds.GetTaiMinusUtc(epochAfter));
}
public void TestTaiToUtcNearLeapSecond()
{
LeapSeconds leapSeconds = new LeapSeconds();
LeapSeconds.Instance = leapSeconds;
JulianDate momentOfLeapSecond = new JulianDate(2453736, 43232.0, TimeStandard.InternationalAtomicTime);
JulianDate before = momentOfLeapSecond - Duration.FromSeconds(1.0);
JulianDate after = momentOfLeapSecond + Duration.FromSeconds(1.0);
JulianDate beforeUtc = before.ToTimeStandard(TimeStandard.CoordinatedUniversalTime);
JulianDate afterUtc = after.ToTimeStandard(TimeStandard.CoordinatedUniversalTime);
Assert.AreNotEqual(beforeUtc, afterUtc);
}
public void TestNegativeLeapSecond()
{
List <LeapSecond> newList = new List <LeapSecond>();
newList.Add(new LeapSecond(2451545.0, 11));
newList.Add(new LeapSecond(2451555.0, 12));
newList.Add(new LeapSecond(2451565.0, 11));
newList.Add(new LeapSecond(2451575.0, 10));
LeapSeconds leapSeconds = new LeapSeconds(newList);
Assert.AreEqual(11, leapSeconds.GetTaiMinusUtc(new JulianDate(2451545.5, TimeStandard.CoordinatedUniversalTime)));
Assert.AreEqual(12, leapSeconds.GetTaiMinusUtc(new JulianDate(2451555.5, TimeStandard.CoordinatedUniversalTime)));
Assert.AreEqual(11, leapSeconds.GetTaiMinusUtc(new JulianDate(2451565.5, TimeStandard.CoordinatedUniversalTime)));
Assert.AreEqual(10, leapSeconds.GetTaiMinusUtc(new JulianDate(2451575.5, TimeStandard.CoordinatedUniversalTime)));
}
public void TestUtcAddNotStuckAtLeapSecond()
{
LeapSeconds leapSeconds = new LeapSeconds();
LeapSeconds.Instance = leapSeconds;
JulianDate date = new JulianDate(2453736, 43198.0, TimeStandard.CoordinatedUniversalTime);
JulianDate after = new JulianDate(2453736, 43202.0, TimeStandard.CoordinatedUniversalTime);
int i;
for (i = 0; i < 100; ++i)
{
date += Duration.FromSeconds(0.1);
if (date > after)
{
break;
}
}
// 5 second difference, so 50 additions of a tenth of a second each
Assert.AreEqual(50, i);
}
public void TestNegativeLeapSecond()
{
List<LeapSecond> newList = new List<LeapSecond>();
newList.Add(new LeapSecond(2451545.0, 11));
newList.Add(new LeapSecond(2451555.0, 12));
newList.Add(new LeapSecond(2451565.0, 11));
newList.Add(new LeapSecond(2451575.0, 10));
LeapSeconds leapSeconds = new LeapSeconds(newList);
Assert.AreEqual(11, leapSeconds.GetTaiMinusUtc(new JulianDate(2451545.5, TimeStandard.CoordinatedUniversalTime)));
Assert.AreEqual(12, leapSeconds.GetTaiMinusUtc(new JulianDate(2451555.5, TimeStandard.CoordinatedUniversalTime)));
Assert.AreEqual(11, leapSeconds.GetTaiMinusUtc(new JulianDate(2451565.5, TimeStandard.CoordinatedUniversalTime)));
Assert.AreEqual(10, leapSeconds.GetTaiMinusUtc(new JulianDate(2451575.5, TimeStandard.CoordinatedUniversalTime)));
}
public void TestUtcAddNotStuckAtLeapSecond()
{
LeapSeconds leapSeconds = new LeapSeconds();
LeapSeconds.Instance = leapSeconds;
JulianDate date = new JulianDate(2453736, 43198.0, TimeStandard.CoordinatedUniversalTime);
JulianDate after = new JulianDate(2453736, 43202.0, TimeStandard.CoordinatedUniversalTime);
int i;
for (i = 0; i < 100; ++i)
{
date += Duration.FromSeconds(0.1);
if (date > after)
{
break;
}
}
//5 second difference, so 50 additions of a tenth of a second each
Assert.AreEqual(50, i);
}
public void TestTaiToUtcNearLeapSecond()
{
LeapSeconds leapSeconds = new LeapSeconds();
LeapSeconds.Instance = leapSeconds;
JulianDate momentOfLeapSecond = new JulianDate(2453736, 43232.0, TimeStandard.InternationalAtomicTime);
JulianDate before = momentOfLeapSecond - Duration.FromSeconds(1.0);
JulianDate after = momentOfLeapSecond + Duration.FromSeconds(1.0);
JulianDate beforeUtc = before.ToTimeStandard(TimeStandard.CoordinatedUniversalTime);
JulianDate afterUtc = after.ToTimeStandard(TimeStandard.CoordinatedUniversalTime);
Assert.AreNotEqual(beforeUtc, afterUtc);
}
public void TestGetOffsetTai()
{
JulianDate date = new JulianDate(2453736, 43222.0, TimeStandard.InternationalAtomicTime);
LeapSeconds leapSeconds = new LeapSeconds();
Assert.AreEqual(32, leapSeconds.GetTaiMinusUtc(date));
}