[TestMethod] // ReSharper disable once InconsistentNaming
public void GetEnumerator_Iterating_DifferenceBetweenIterationsMatchesStepSize()
{
Period length = RandomPeriod(MinPeriod, MaxPeriod, true, false);
LocalDate start = RandomLocalDate(MinLocalDate, MaxLocalDate - length);
LocalDate end = start + length;
// note that the number of steps is limited to 100 or fewer
Period step = PeriodDivideApprox(length, Random.Next(4, 100), false);
LocalDateRange localRange = new LocalDateRange(start, end, step);
LocalDate?previous = null;
foreach (LocalDate d in localRange)
{
if (previous.HasValue)
{
IComparer <Period> comparer = Period.CreateComparer(previous.Value.At(new LocalTime()));
Assert.AreEqual(
0,
comparer.Compare(Period.Between(previous.Value, d), step),
"Difference between iteration values should match the step value supplied");
}
previous = d;
}
}
public void Comparer_DurationablePeriods()
{
var bigger = Period.FromHours(25);
var smaller = Period.FromDays(1);
var comparer = Period.CreateComparer(new LocalDateTime(2000, 1, 1, 0, 0));
Assert.That(comparer.Compare(bigger, smaller), Is.GreaterThan(0));
Assert.That(comparer.Compare(smaller, bigger), Is.LessThan(0));
Assert.AreEqual(0, comparer.Compare(bigger, bigger));
}
public void Comparer_NonDurationablePeriods()
{
var month = Period.FromMonths(1);
var days = Period.FromDays(30);
// At the start of January, a month is longer than 30 days
var januaryComparer = Period.CreateComparer(new LocalDateTime(2000, 1, 1, 0, 0));
Assert.That(januaryComparer.Compare(month, days), Is.GreaterThan(0));
Assert.That(januaryComparer.Compare(days, month), Is.LessThan(0));
Assert.AreEqual(0, januaryComparer.Compare(month, month));
// At the start of February, a month is shorter than 30 days
var februaryComparer = Period.CreateComparer(new LocalDateTime(2000, 2, 1, 0, 0));
Assert.That(februaryComparer.Compare(month, days), Is.LessThan(0));
Assert.That(februaryComparer.Compare(days, month), Is.GreaterThan(0));
Assert.AreEqual(0, februaryComparer.Compare(month, month));
}
public void Comparer_NonNullWithNull()
{
var comparer = Period.CreateComparer(new LocalDateTime(2000, 1, 1, 0, 0));
Assert.That(comparer.Compare(Period.Zero, null), Is.GreaterThan(0));
}
public void Comparer_NullWithNonNull()
{
var comparer = Period.CreateComparer(new LocalDateTime(2000, 1, 1, 0, 0));
Assert.That(comparer.Compare(null, Period.Zero), Is.LessThan(0));
}
public void Comparer_NullWithNull()
{
var comparer = Period.CreateComparer(new LocalDateTime(2000, 1, 1, 0, 0));
Assert.AreEqual(0, comparer.Compare(null, null));
}
public static int CompareDuration(Variable vA, Variable vB)
{
var comparer = Period.CreateComparer(new LocalDateTime(0, 1, 1, 0, 0));
return(comparer.Compare(vA.DurationVal, vB.DurationVal));
}