public void GetDayRangesTest()
{
Enumerable
.Range(1, PeriodCount)
.RunEach(i => {
var dayRanges = TimeTool.GetDayRanges(startTime, i, TimeCalendar.NewEmptyOffset());
var start = startTime.StartTimeOfDay();
dayRanges.Start.Should().Be(start);
dayRanges.End.Should().Be(start.AddDays(i));
dayRanges.DayCount.Should().Be(i);
});
}