public void InstantComparer()
{
var london = DateTimeZoneProviders.Tzdb["Europe/London"];
var losAngeles = DateTimeZoneProviders.Tzdb["America/Los_Angeles"];
// LA is 8 hours behind London. So the London evening occurs before the LA afternoon.
var londonEvening = new LocalDateTime(2014, 7, 9, 20, 32).InZoneStrictly(london);
var losAngelesAfternoon = new LocalDateTime(2014, 7, 9, 14, 0).InZoneStrictly(losAngeles);
// Same instant as londonEvening
var losAngelesLunchtime = new LocalDateTime(2014, 7, 9, 12, 32).InZoneStrictly(losAngeles);
var londonPersian = londonEvening.LocalDateTime
.WithCalendar(CalendarSystem.PersianSimple)
.InZoneStrictly(london);
var comparer = ZonedDateTime.Comparer.Instant;
TestHelper.TestComparerStruct(comparer, londonEvening, losAngelesLunchtime, losAngelesAfternoon);
Assert.AreEqual(0, comparer.Compare(londonPersian, londonEvening));
Assert.IsTrue(comparer.Equals(londonPersian, londonEvening));
Assert.AreEqual(comparer.GetHashCode(londonPersian), comparer.GetHashCode(londonEvening));
Assert.IsTrue(comparer.Equals(losAngelesLunchtime, londonEvening));
Assert.AreEqual(comparer.GetHashCode(losAngelesLunchtime), comparer.GetHashCode(londonEvening));
Assert.IsFalse(comparer.Equals(losAngelesAfternoon, londonEvening));
Assert.AreNotEqual(comparer.GetHashCode(losAngelesAfternoon), comparer.GetHashCode(londonEvening));
}
public void LocalComparer()
{
var london = DateTimeZoneProviders.Tzdb["Europe/London"];
var losAngeles = DateTimeZoneProviders.Tzdb["America/Los_Angeles"];
// LA is 8 hours behind London. So the London evening occurs before the LA afternoon.
var londonEvening = new LocalDateTime(2014, 7, 9, 20, 32).InZoneStrictly(london);
var losAngelesAfternoon = new LocalDateTime(2014, 7, 9, 14, 0).InZoneStrictly(losAngeles);
// Same local time as losAngelesAfternoon
var londonAfternoon = losAngelesAfternoon.LocalDateTime.InZoneStrictly(london);
var londonPersian = londonEvening.LocalDateTime
.WithCalendar(CalendarSystem.PersianSimple)
.InZoneStrictly(london);
var comparer = ZonedDateTime.Comparer.Local;
TestHelper.TestComparerStruct(comparer, losAngelesAfternoon, londonAfternoon, londonEvening);
Assert.Throws <ArgumentException>(() => comparer.Compare(londonPersian, londonEvening));
Assert.IsFalse(comparer.Equals(londonPersian, londonEvening));
Assert.AreNotEqual(comparer.GetHashCode(londonPersian), comparer.GetHashCode(londonEvening));
Assert.IsFalse(comparer.Equals(londonAfternoon, londonEvening));
Assert.AreNotEqual(comparer.GetHashCode(londonAfternoon), comparer.GetHashCode(londonEvening));
Assert.IsTrue(comparer.Equals(londonAfternoon, losAngelesAfternoon));
Assert.AreEqual(comparer.GetHashCode(londonAfternoon), comparer.GetHashCode(losAngelesAfternoon));
}