public void GetInstance_WhenCalledOnNestedRepetitions_ReturnsExpectedValues()
{
var rep = new RepetitionSchedule(
new RepetitionSchedule(
new SingleDaySchedule(DateTime.MinValue),
DateUnit.Hours,
12),
DateUnit.Days,
1);
var expected = new List<DateTime>()
{
DateTime.MinValue.AddDays(1 * 0).AddHours(12 * 0),
DateTime.MinValue.AddDays(1 * 0).AddHours(12 * 1),
DateTime.MinValue.AddDays(1 * 0).AddHours(12 * 2),
DateTime.MinValue.AddDays(1 * 1).AddHours(12 * 0),
DateTime.MinValue.AddDays(1 * 0).AddHours(12 * 3),
DateTime.MinValue.AddDays(1 * 1).AddHours(12 * 1),
DateTime.MinValue.AddDays(1 * 0).AddHours(12 * 4),
DateTime.MinValue.AddDays(1 * 1).AddHours(12 * 2),
DateTime.MinValue.AddDays(1 * 2).AddHours(12 * 0),
DateTime.MinValue.AddDays(1 * 0).AddHours(12 * 5),
DateTime.MinValue.AddDays(1 * 1).AddHours(12 * 3),
DateTime.MinValue.AddDays(1 * 2).AddHours(12 * 1),
};
var mismatches = from i in Enumerable.Range(0, expected.Count)
where expected[i] != rep.GetInstance(i)
select i;
Assert.That(mismatches.Any(), Is.False);
}
public void GetInstance_WhenCalledWithPositiveOrZeroIndex_DoesNotReturnNull(int index)
{
Assume.That(index, Is.GreaterThan(0));
var rep = new RepetitionSchedule(
new SingleDaySchedule(DateTime.MinValue),
DateUnit.Days,
1);
var instance = rep.GetInstance(index);
Assert.That(instance, Is.Not.Null);
}
public void GetInstance_WhenCalledWithNegativeIndex_ThrowsException(int index)
{
Assume.That(index, Is.LessThan(0));
var rep = new RepetitionSchedule(
new SingleDaySchedule(DateTime.MinValue),
DateUnit.Days,
1);
Assert.That(() => rep.GetInstance(index), Throws.InstanceOf<ArgumentOutOfRangeException>());
}
public void YieldAllInstances_WhenCalledOnNestedRepetitions_ReturnsDatesInOrder()
{
var rep = new RepetitionSchedule(
new RepetitionSchedule(
new SingleDaySchedule(DateTime.MinValue),
DateUnit.Hours,
1),
DateUnit.Days,
1);
var previousDate = DateTime.MinValue;
foreach (var d in rep.YieldAllInstances().Take(1000))
{
Assert.That(d, Is.GreaterThanOrEqualTo(previousDate));
previousDate = d;
}
}
public void GetInstance_WhenCalledWithZeroIndex_MatchesFirstYieldedInstance()
{
var rep = new RepetitionSchedule(
new SingleDaySchedule(DateTime.MinValue),
DateUnit.Days,
1);
var first = rep.YieldAllInstances().First();
var zero = rep.GetInstance(0);
Assert.That(zero, Is.EqualTo(first));
}