public void TryFindPathAvoiding_NoPathExists_ReturnsNull()
{
string mapRepresentation = @"###############################################
#..........#......................##..........#
#..........#..........##..........##..........#
#..........#..........##..........##..........#
#..........#..........##..........##..........#
#.....................##......................#
###############################################";
IMapCreationStrategy <Map> mapCreationStrategy = new StringDeserializeMapCreationStrategy <Map>(mapRepresentation);
IMap map = Map.Create(mapCreationStrategy);
GoalMap goalMap = new GoalMap(map);
goalMap.AddGoal(2, 2, 0);
goalMap.AddObstacle(2, 1);
goalMap.AddObstacle(1, 1);
Path path = goalMap.TryFindPathAvoidingGoals(1, 1);
Assert.AreEqual(null, path);
}
public void TryFindPathAvoiding_BoxedInCornerWithObstacle_ExpectedPath()
{
string mapRepresentation = @"###############################################
#..........#......................##..........#
#..........#..........##..........##..........#
#..........#..........##..........##..........#
#..........#..........##..........##..........#
#.....................##......................#
###############################################";
IMapCreationStrategy <Map> mapCreationStrategy = new StringDeserializeMapCreationStrategy <Map>(mapRepresentation);
IMap map = Map.Create(mapCreationStrategy);
GoalMap goalMap = new GoalMap(map);
goalMap.AddGoal(2, 2, 0);
goalMap.AddObstacle(2, 1);
Path path = goalMap.TryFindPathAvoidingGoals(1, 1);
Assert.AreEqual(61, path.Length);
Assert.AreEqual(map.GetCell(1, 2), path.StepForward());
Assert.AreEqual(map.GetCell(1, 1), path.Start);
Assert.AreEqual(map.GetCell(45, 1), path.End);
}
