public void BigNumbersDateTimeTimeTest()
{
var t = new DateTimeTimeUtils();
var oneDay = TimeSpan.FromDays(1);
var zero = t.Zero();
var indexAtOneDay = t.TimeToIndex(zero, zero.Add(oneDay), 1000 * 1000);
var timeFromIndex = t.IndexToTime(zero, indexAtOneDay, 1000 * 1000);
var time = timeFromIndex.Subtract(zero);
Assert.AreEqual(TimeSpan.FromDays(1), time);
}
public void DateTimeIndexToTimeTest()
{
var t = new DateTimeTimeUtils();
var now = DateTime.Now;
Assert.AreEqual(now.AddMilliseconds(400), t.IndexToTime(now, 4, 10000));
Assert.AreEqual(now, t.IndexToTime(now, 0, 10000));
Assert.AreEqual(t.Zero(), t.IndexToTime(t.Zero(), 0, 10000));
var oneDay = TimeSpan.FromDays(1);
Assert.AreEqual(now.Add(oneDay), t.IndexToTime(now, (long)oneDay.TotalSeconds, 1000));
Assert.AreEqual(now.Add(oneDay), t.IndexToTime(now, (long)oneDay.TotalMilliseconds, 1000 * 1000));
}
public void HugeNumbersDateTimeTimeTest()
{
var t = new DateTimeTimeUtils();
var frequency = 25 * 1000 * 1000;
var oneWeek = TimeSpan.FromDays(7);
var zero = t.Zero();
var indexAtOneWeek = t.TimeToIndex(zero, zero.Add(oneWeek), frequency);
var timeFromIndex = t.IndexToTime(zero, indexAtOneWeek, frequency);
var time = timeFromIndex.Subtract(zero);
Assert.AreEqual(TimeSpan.FromDays(7), time);
}
