static public void Scratchpad()
{
var dt = DateTime.Now;
HdDateTime hdt = DateTime.UtcNow;
var ts = TimeSpan.FromSeconds(123);
var hts = HdTimeSpan.FromDays(123L);
//ts.Days
//dt.Day
//dt.AddDays()
//HdTimeSpan.
Console.WriteLine(HdDateTime.MinValue);
Console.WriteLine(HdDateTime.MaxValue);
Console.WriteLine(new HdDateTime(1678, 1, 1).EpochNanoseconds);
Console.WriteLine(new HdDateTime(2262, 1, 1).EpochNanoseconds);
Console.WriteLine(new HdDateTime(2262, 1, 1).AddNanoseconds(-1));
Console.WriteLine(HdDateTime.MaxValue);
Console.WriteLine(hdt);
Console.WriteLine(hdt.AddTicks(1));
Console.WriteLine(hdt.AddMilliseconds(1));
Console.WriteLine(hdt.AddSeconds(1));
Console.WriteLine(hdt.AddHours(12));
Console.WriteLine(hdt.AddDays(123));
int a = hdt.Millisecond, b = hdt.Second, c = hdt.Minute, d = hdt.Hour, e = hdt.Day, f = hdt.Month, g = hdt.Year, h = hdt.DayOfYear;
hdt = hdt.Date;
HdTimeSpan tsss = hdt.TimeOfDay;
DayOfWeek dw = hdt.DayOfWeek;
//dt.AddTicks();
//hdt.AddTicks()
}
public void PrintMinMaxConstants()
{
HdDateTime maxValue = HdDateTime.MaxValue;
HdDateTime minValue = HdDateTime.MinValue;
var tickNanosMin = 100 - ((DateTime)minValue.AddTicks(1) - minValue).TotalNanoseconds;
var tickNanosMax = (maxValue.AddTicks(-1) - (DateTime)(maxValue.AddTicks(-1))).TotalNanoseconds;
var secondNanosMin = 1000000000 + minValue.AddSeconds(1).EpochNanoseconds % 1000000000;
var secondNanosMax = maxValue.EpochNanoseconds % 1000000000;
Console.WriteLine($"HDT MinValue = {minValue.AddSeconds(1)} - 1s, {tickNanosMin} / {HdDateTime.MinValue.EpochNanoseconds}");
Console.WriteLine($"HDT MinValue = {minValue.RawDateTime} {secondNanosMin}");
Console.WriteLine();
Console.WriteLine($"HDT MaxValue = {maxValue.AddSeconds(-1)} + 1s, {tickNanosMax} / {HdDateTime.MaxValue.EpochNanoseconds}");
Console.WriteLine($"HDT MaxValue = {maxValue.RawDateTime} {secondNanosMax}");
}
public void TestMinMaxConstantsExtra()
{
HdDateTime maxValue = HdDateTime.MaxValue;
HdDateTime minValue = HdDateTime.MinValue;
var nanosMin = 100 - ((DateTime)minValue.AddTicks(1) - minValue).TotalNanoseconds;
var nanosMax = (maxValue.AddTicks(-1) - (DateTime)(maxValue.AddTicks(-1))).TotalNanoseconds;
var secondNanosMin = 1000000000 + minValue.AddSeconds(1).EpochNanoseconds % 1000000000;
var secondNanosMax = maxValue.EpochNanoseconds % 1000000000;
Assert.True(nanosMax == maxValue.AddTicks(-1).TimestampModulo);
Assert.True(nanosMin == minValue.AddTicks(1).TimestampModulo);
Assert.True(nanosMax == secondNanosMax % 100);
Assert.True(nanosMin == secondNanosMin % 100);
Assert.AreEqual(minValue.EpochNanoseconds, new HdDateTime((DateTime)minValue.AddTicks(1), (Byte)nanosMin).AddTicks(-1).EpochNanoseconds);
Assert.True(minValue == new HdDateTime((DateTime)minValue.AddTicks(1), (Byte)nanosMin).AddTicks(-1));
Assert.AreEqual(maxValue.EpochNanoseconds, new HdDateTime((DateTime)maxValue.AddTicks(-1), (Byte)nanosMax).AddTicks(1).EpochNanoseconds);
Assert.True(maxValue == new HdDateTime((DateTime)maxValue.AddTicks(-1), (Byte)nanosMax).AddTicks(1));
Assert.AreEqual(maxValue.EpochNanoseconds, HdDateTime.FromEpochMilliseconds(maxValue.EpochNanoseconds / 1000000000 * 1000, secondNanosMax).EpochNanoseconds);
}