public void Neighbors_within_a_distance_returns_all_neighbours_that_has_that_manhattan_distance_or_nearer_from_the_coordinate(int distance)
{
var start = new MapCoordinate(40, 65);
var neighbours = start.NeighboursWithinDistance(distance).ToList();
for (var x = 0; x < 100; x++)
{
for (var y = 0; y < 100; y++)
{
var mapCoordinate = new MapCoordinate(x, y);
var manhattanDistance = mapCoordinate.GetManhattanDistanceTo(start);
if (manhattanDistance <= distance && manhattanDistance > 0)
{
Assert.Contains(mapCoordinate, neighbours);
}
else
{
Assert.DoesNotContain(mapCoordinate, neighbours);
}
}
}
}
