public function testAddTileAsZeroDistanceByDefault()
{
$center = new Tile(0, 0);
$map = new Map($center, 2);
$map->addTile(new Tile(2, 1));
$this->assertEquals([[[0, 0], 0], [[1, 0], 1], [[0, -1], 1], [[-1, -1], 1], [[-1, 0], 1], [[-1, 1], 1], [[0, 1], 1], [[2, 1], 0]], $map->getAllTiles());
}
