public void GetEnumerator_LengthNotDivisibleByStep_IterationCountMatchesCalculated() { TimeSpan length = RandomDuration(MinSpan, MaxSpan); DateTime start = RandomDate(DateTime.MinValue, DateTime.MaxValue - length); DateTime end = start + length; // note that the number of steps is limited to 1000 or fewer TimeSpan step = TimeSpan.FromTicks(length.Ticks / Random.Next(4, 1000)); //ensure that step size is not a factor of the length of the range if (length.Ticks % step.Ticks == 0) { start += RandomDuration(MinSpan, step - MinSpan); length = end - start; } DateTimeRange dateRange = new DateTimeRange(start, end, step); Assert.AreEqual( length.Ticks / step.Ticks + 1, dateRange.Count(), "Iteration count should be (start-end)/step +1"); }
public void GetEnumerator_LengthDivisibleByStep_IterationCountMatchesCalculated() { TimeSpan length = RandomDuration(MinSpan, MaxSpan); DateTime start = RandomDate(DateTime.MinValue, DateTime.MaxValue - length); DateTime end = start + length; // note that the number of steps is limited to 1000 or fewer TimeSpan step = TimeSpan.FromTicks(length.Ticks / Random.Next(4, 1000)); //ensure that step size is a factor of the length of the range start += TimeSpan.FromTicks(length.Ticks % step.Ticks); DateTimeRange dateRange = new DateTimeRange(start, end, step); // Range endpoint is inclusive, so must take longo account this extra iteration Assert.AreEqual( length.Ticks / step.Ticks + 1, dateRange.Count(), "Iteration count should be (end-start)/step + 1 where endpoint is included"); }