void DoTestIntersect(R r1, R r2, int pos, R r1left, R r1right, R common, R r2left, R r2right)
{
S r = R.Intersect(r1, r2);
Assert.AreEqual(pos, r.RelativePosition);
AssertEqual(r1left, r.Leftover1Left);
AssertEqual(r1right, r.Leftover1Right);
AssertEqual(common, r.Common);
AssertEqual(r2left, r.Leftover2Left);
AssertEqual(r2right, r.Leftover2Right);
}
public bool SetActiveRange(long p1, long p2)
{
if (openRange != null)
{
throw new InvalidOperationException("Cannot move the active range when there is a subrange being filled");
}
CheckIntegrity();
bool ret = false;
if (p2 < p1)
{
p2 = p1;
}
FRange fileRange = new FRange(p1, p2, 1);
for (LinkedListNode <MessagesRange> r = ranges.First; r != null;)
{
LinkedListNode <MessagesRange> next = r.Next;
FIntersectStruct s = FRange.Intersect(r.Value.DesirableRange, fileRange);
if (s.RelativePosition < 0)
{
ranges.Remove(r);
ret = true;
}
else if (s.RelativePosition == 0)
{
r.Value.SetPriority(fileRange.Priority);
if (!s.Leftover1Left.IsEmpty)
{
r.Value.TrimLeft(fileRange.Begin);
ret = true;
}
if (!s.Leftover1Right.IsEmpty)
{
r.Value.TrimRight(fileRange.End);
ret = true;
}
if (!s.Leftover2Left.IsEmpty)
{
ranges.AddBefore(r, new MessagesRange(s.Leftover2Left));
}
fileRange = s.Leftover2Right;
}
else if (s.RelativePosition > 0)
{
while (r != null)
{
next = r.Next;
ranges.Remove(r);
r = next;
}
ret = true;
}
r = next;
}
if (!fileRange.IsEmpty)
{
ranges.AddLast(new MessagesRange(fileRange));
ret = true;
}
Merge();
CheckIntegrity();
return(ret);
}