private IEnumerable <placement> GetAvailableVerticalPlacements(int len)
{
var res = new List <List <Square> >();
for (int c = 0; c < Cl; ++c)
{
limitedQueue <Square> pass = new limitedQueue <Square>(len);
for (int r = 0; r < Rw; ++r)
{
if (IsAvailable(r, c))
{
pass.Enqueue(squares[r, c]);
}
else
{
pass.Clear();
}
if (pass.Count == len)
{
res.Add(pass.ToList());
}
}
}
return(res);
}
public void AddingItemsBehindLimitRemovesFifo()
{
limitedQueue <int> q = new limitedQueue <int>(3);
Assert.AreEqual(0, q.Count);
q.Enqueue(1);
Assert.AreEqual(1, q.Count);
q.Enqueue(2);
Assert.AreEqual(2, q.Count);
q.Enqueue(3);
Assert.AreEqual(3, q.Count);
q.Enqueue(4);
Assert.AreEqual(3, q.Count);
Assert.IsFalse(q.Contains(1));
Assert.IsTrue(q.Contains(4));
}