public void GetEnumerator_LengthNotDivisibleByStep_CountMatchesCalculated()
{
TimeSpan length = RandomDuration(1, MaxDays);
DateTime start = RandomDate(DateTime.MinValue, DateTime.MaxValue - length);
DateTime end = start + length;
// note that the number of steps is limited to 1000 or fewer
int step = length.Days / Random.Next(4, Math.Max(4, Math.Min(length.Days / 2, 1000)));
// In case range length is under 4, ensure the step is at least 2
if (step < 2)
{
step = 2;
}
//ensure that step size is not a factor of the length of the range
if (length.Days % step == 0)
{
start += RandomDuration(1, step - 1);
length = end - start;
}
DateRange dateRange = new DateRange(start, end, step);
Assert.AreEqual(length.Days / step + 1, dateRange.Count(), "Iteration count should be (start-end)/step +1");
}
public void GetEnumerator_LengthDivisibleByStep_CountMatchesCalculated()
{
TimeSpan length = RandomDuration(1, MaxDays);
DateTime start = RandomDate(DateTime.MinValue, DateTime.MaxValue - length);
DateTime end = start + length;
// note that the number of steps is limited to 1000 or fewer
int step = length.Days / Random.Next(4, Math.Max(4, Math.Min(length.Days / 2, 1000)));
// In case range length is under 4, ensure the step is at least 1
if (step < 1)
{
step = 1;
}
//ensure that step size is a factor of the length of the range
start += TimeSpan.FromDays(length.Days % step);
DateRange dateRange = new DateRange(start, end, step);
// Range endpoint is inclusive, so must take longo account this extra iteration
Assert.AreEqual(
length.Days / step + 1,
dateRange.Count(),
"Iteration count should be (end-start)/step + 1 where endpoint is included");
}
public void date_range_iteration_includes_zero_interval()
{
var startDate = DateTime.SpecifyKind(new DateTime(2010, 02, 09), DateTimeKind.Utc);
var endDate = DateTime.SpecifyKind(new DateTime(2010, 02, 09), DateTimeKind.Utc);
var ob = new DateRange(startDate, endDate);
var expected = (endDate - startDate).Days; // we exclude the last day
var actual = ob.Count();
Assert.That(actual, Is.EqualTo(expected));
}
public void date_range_is_iterable()
{
var startDate = DateTime.SpecifyKind(new DateTime(2010, 02, 09), DateTimeKind.Utc);
var endDate = DateTime.SpecifyKind(new DateTime(2010, 02, 10), DateTimeKind.Utc);
var ob = new DateRange(startDate, endDate);
var expected = (endDate - startDate).Days;
var actual = ob.Count();
Assert.That(actual, Is.EqualTo(expected));
}
public void GetEnumerator_LengthNotDivisibleByStep_CountMatchesCalculated()
{
TimeSpan length = RandomDuration(1, MaxDays);
DateTime start = RandomDate(DateTime.MinValue, DateTime.MaxValue - length);
DateTime end = start + length;
// note that the number of steps is limited to 1000 or fewer
int step = length.Days / Random.Next(4, Math.Max(4, Math.Min(length.Days / 2, 1000)));
// In case range length is under 4, ensure the step is at least 2
if (step < 2) step = 2;
//ensure that step size is not a factor of the length of the range
if (length.Days % step == 0)
{
start += RandomDuration(1, step - 1);
length = end - start;
}
DateRange dateRange = new DateRange(start, end, step);
Assert.AreEqual(length.Days / step + 1, dateRange.Count(), "Iteration count should be (start-end)/step +1");
}
public void GetEnumerator_LengthDivisibleByStep_CountMatchesCalculated()
{
TimeSpan length = RandomDuration(1, MaxDays);
DateTime start = RandomDate(DateTime.MinValue, DateTime.MaxValue - length);
DateTime end = start + length;
// note that the number of steps is limited to 1000 or fewer
int step = length.Days / Random.Next(4, Math.Max(4, Math.Min(length.Days / 2, 1000)));
// In case range length is under 4, ensure the step is at least 1
if (step < 1) step = 1;
//ensure that step size is a factor of the length of the range
start += TimeSpan.FromDays(length.Days % step);
DateRange dateRange = new DateRange(start, end, step);
// Range endpoint is inclusive, so must take longo account this extra iteration
Assert.AreEqual(
length.Days / step + 1,
dateRange.Count(),
"Iteration count should be (end-start)/step + 1 where endpoint is included");
}