public void RoundBarriersTest()
{
IBarrier b1 = new Barrier(new Coordinate(0, RoundBarriers.BOARD_DIMENSION / 2),
BarrierOrientation.Horizontal, BarrierPiece.Head);
IBarrier b2 = new Barrier(new Coordinate(1, RoundBarriers.BOARD_DIMENSION / 2),
BarrierOrientation.Horizontal, BarrierPiece.Tail);
IList <IBarrier> barriers = new List <IBarrier>()
{
b1, b2
};
foreach (var barrier in barriers)
{
this.rb.Add(barrier);
}
Assert.True(this.rb.Contains(b1));
Assert.True(this.rb.GetBarriersAsList().Count.Equals(2));
/*Once we placed the barriers, its corresponding edges are removed, then the list GetEdges() shouldn't
* contain those.*/
Assert.False(this.rb.GetBarriersAsGraph()
.GetEdges()
.Any(e => BarriersGraph.BarriersAsEdgesToRemove(barriers).Contains(e)));
}
private bool NoStall(Coordinate position, BarrierOrientation orientation)
{
var barrierPosition = new Barrier(position, orientation, BarrierPiece.Head);
var barrierH = new Barrier(new Coordinate(position.First + 1, position.Second), orientation, BarrierPiece.Tail);
var barrierV = new Barrier(new Coordinate(position.First, position.Second + 1), orientation, BarrierPiece.Tail);
if (orientation.Equals(BarrierOrientation.Horizontal))
{
var playerBarrier = new List <IBarrier> {
barrierPosition, barrierH
};
if (this.barriers.GetBarriersAsGraph().ContainsPath(BarriersGraph.BarriersAsEdgesToRemove(playerBarrier), this.player1Position, this.player1FinishLine))
{
if (this.barriers.GetBarriersAsGraph().ContainsPath(BarriersGraph.BarriersAsEdgesToRemove(playerBarrier), this.player2Position, this.player2FinishLine))
{
return(true);
}
}
return(false);
}
else
{
var playerBarrier = new List <IBarrier> {
barrierPosition, barrierV
};
if (this.barriers.GetBarriersAsGraph().ContainsPath(BarriersGraph.BarriersAsEdgesToRemove(playerBarrier), this.player1Position, this.player1FinishLine))
{
if (this.barriers.GetBarriersAsGraph().ContainsPath(BarriersGraph.BarriersAsEdgesToRemove(playerBarrier), this.player2Position, this.player2FinishLine))
{
return(true);
}
}
return(false);
}
}
public void Add(IBarrier barrier)
{
this.barriers.Add(barrier);
foreach (var edge in BarriersGraph
.BarriersAsEdgesToRemove(new List <IBarrier>()
{
barrier
}))
{
this.graph.Remove(edge);
}
}
public void BarriersGraphTest()
{
IList <IBarrier> barriers = new List <IBarrier>();
/*I add horizontals barriers from column 0 to BoardDimension - 2 at line BoardDimension/2.
* NB: it doesn't matter if it is a Head one or a Tail one. */
for (int i = 0; i < RoundBarriers.BOARD_DIMENSION - 1; i++)
{
barriers.Add(new Barrier(new Coordinate(i, RoundBarriers.BOARD_DIMENSION / 2),
BarrierOrientation.Horizontal, BarrierPiece.Head));
}
//Player 1.
Coordinate player1 = new Coordinate(0, 0);
int finishLine1 = RoundBarriers.BOARD_DIMENSION - 1;
/*For player1 there's a path to the destination.
* NB: we aren't positioning the barriers, but we make sure that for a possible placing there is a
* a way to the finish line. */
Assert.True(this.rb.GetBarriersAsGraph()
.ContainsPath(BarriersGraph.BarriersAsEdgesToRemove(barriers), player1, finishLine1));
//I add at the final column the last horizontal barrier.
barriers.Add(new Barrier(new Coordinate(RoundBarriers.BOARD_DIMENSION - 1,
RoundBarriers.BOARD_DIMENSION / 2), BarrierOrientation.Horizontal, BarrierPiece.Head));
//Now there shouldn't be a path for player1.
Assert.False(this.rb.GetBarriersAsGraph()
.ContainsPath(BarriersGraph.BarriersAsEdgesToRemove(barriers), player1, finishLine1));
//Player 2.
Coordinate player2 = new Coordinate(RoundBarriers.BOARD_DIMENSION / 2 - 1,
RoundBarriers.BOARD_DIMENSION / 2 - 1);
int finishLine2 = 0;
/*There's a path for player2 because it starts above the horizontal barriers and its destination is at the
* top of the board.*/
Assert.True(this.rb.GetBarriersAsGraph()
.ContainsPath(BarriersGraph.BarriersAsEdgesToRemove(barriers), player2, finishLine2));
}