public void IsAdjacentTo_AIsAdjacentToAndJustAfterB_ReturnsTrue()
{
IInterval <int> a = Interval.Create(20, 25);
IInterval <int> b = Interval.Create(10, 20);
var result = a.IsAdjacentTo(b);
Assert.That(result, Is.True);
}
public void IsAdjacentTo_NullOther_ReturnsFalse()
{
IInterval <int> a = Interval.Create(10, 20);
IInterval <int> b = null;
var result = a.IsAdjacentTo(b);
Assert.That(result, Is.False);
}
public void IsAdjacentTo_OverlappingIntervals_ReturnsFalse()
{
IInterval <int> a = Interval.Create(10, 20);
IInterval <int> b = Interval.Create(15, 25);
var result = a.IsAdjacentTo(b);
Assert.That(result, Is.False);
}
public void IsAdjacentTo_NullInterval_ReturnsFalse()
{
IInterval <int> a = null;
IInterval <int> b = Interval.Create(15, 25);
var result = a.IsAdjacentTo(b);
Assert.That(result, Is.False);
}
public static Interval <T> TryGetUnion <T>([CanBeNull] this IInterval <T> interval, [CanBeNull] IInterval <T> other)
where T : struct, IComparable <T>
{
if (interval == null || other == null)
{
return(null);
}
if (!interval.IsOverlapping(other) && !interval.IsAdjacentTo(other))
{
return(null);
}
return(Interval.Create(Min(interval.Start, other.Start), Max(interval.End, other.End)));
}