public void Generates_valid_ship_when_ship_position_exceeds_board_size()
{
// Ship at (7, 7) won't be created. Only (3, 3) will be created.
var service = new ShipGenerationService(boardSize, GetRandomPositionGenerator(7, 7, 3, 3));
var destroyerShipFactory = new DestroyerFactory(new DeterministicModuloRandomNumberGenerator());
var existingShip = new HorizontalBattleship(new Position(1, 1));
var ships = service.GenerateShips(destroyerShipFactory, 1, new[] { existingShip });
Assert.That(ships, Has.One.Items);
Assert.That(ships[0].StartPosition, Is.EqualTo(new Position(3, 3)));
}
public void Generates_valid_ship_when_ship_already_exists()
{
// Starting point of both ships is (1, 1) so they must overlaps.
var service = new ShipGenerationService(boardSize, GetRandomPositionGenerator(1, 1, 4, 4));
var destroyerShipFactory = new DestroyerFactory(new DeterministicModuloRandomNumberGenerator());
var existingShip = new HorizontalBattleship(new Position(1, 1));
var ships = service.GenerateShips(destroyerShipFactory, 1, new[] { existingShip });
Assert.That(ships, Has.One.Items);
Assert.That(ships[0].StartPosition, Is.EqualTo(new Position(4, 4)));
}
