public NumericRanges ListGaps(NumericRange range)
{
NumericRanges result = new NumericRanges();
result.Add(range);
foreach (var r in ranges)
{
result.Remove(r);
}
return(result);
}
public static void Run()
{
NumericRange empty = new NumericRange();
Assert(empty.IsEmpty);
NumericRange n = new NumericRange();
Assert(!n.Contains(0));
n.Hi = 1;
Assert(n.Contains(0));
Assert(!n.Contains(1));
Assert(n.IsDisjoint(new NumericRange()));
Assert(n.IsDisjoint(new NumericRange(1, 2)));
NumericRange remainder;
// Subtract - empty cases
Assert(false == n.Subtract(empty, out remainder));
Assert(remainder.IsEmpty);
Assert(false == empty.Subtract(n, out remainder));
// Subtract - disjoint
Assert(false == NR(0, 3).Subtract(NR(3, 5), out remainder));
n = NR(0, 3);
// Subtract - contained
Assert(n.Subtract(NR(0, 4), out remainder));
Assert(n.IsEmpty);
// Subtract - partial overlaps
n = NR(10, 12);
Assert(n.Subtract(NR(8, 11), out remainder));
Assert(n == NR(11, 12));
Assert(remainder.IsEmpty);
n = NR(10, 12);
Assert(n.Subtract(NR(11, 12), out remainder));
Assert(n == NR(10, 11));
Assert(remainder.IsEmpty);
n = NR(10, 21);
Assert(n.Subtract(NR(13, 17), out remainder));
Assert(n == NR(10, 13));
Assert(remainder == NR(17, 21));
// Coalesce - no-ops.
NumericRange coalesced;
n = NR(10, 21);
Assert(false == n.TryCoalesce(NR(0, 9), out coalesced));
Assert(false == n.TryCoalesce(empty, out coalesced));
Assert(n.TryCoalesce(NR(0, 10), out coalesced));
Assert(coalesced == NR(0, 21));
n = NR(10, 21);
Assert(n.TryCoalesce(NR(0, 100), out coalesced));
Assert(coalesced == NR(0, 100));
NumericRanges r = new NumericRanges();
Assert(r.IsEmpty);
r.Add(0, 10);
Assert(r.ToString() == "0-10");
r.Add(0, 4);
Assert(r.ToString() == "0-10");
r.Add(20, 20);
Assert(r.ToString() == "0-10");
r.Add(20, 30);
Assert(r.ToString() == "0-10,20-30");
r.Add(10, 20);
Assert(r.ToString() == "0-30");
r.Add(30, 32);
Assert(r.ToString() == "0-32");
r.Clear();
Assert(r.ToString() == "");
r.Add(NR(0, 10));
r.Add(NR(20, 30));
var gaps = r.ListGaps(NR(0, 40)).ToList();
Assert(gaps[0] == NR(10, 20));
Assert(gaps[1] == NR(30, 40));
}