public void CanCalculateDateTimeOffsetDifference()
{
var dateOffset = DateTimeOffset.Now;
Assert.That(DateTimes.Difference(dateOffset, dateOffset.AddSeconds(90)), Is.EqualTo(TimeSpan.FromSeconds(90)));
}
public void FailsOnNonDateTimeTypes()
{
Assert.Throws <ArgumentException>(() => DateTimes.Difference(10, 100));
}
public void CanCalculateTimeSpanDifference()
{
Assert.That(DateTimes.Difference(TimeSpan.FromSeconds(10), TimeSpan.FromSeconds(100)), Is.EqualTo(TimeSpan.FromSeconds(90)));
}