public void CanPersistShipOnTheField()
{
var battleField = new BattleField(10);
battleField.PlaceShip(GetFourDeckShip());
Assert.AreEqual(CellState.ShipDeck, battleField.Field[new Coordinate('a', 1)].State);
Assert.AreEqual(CellState.ShipDeck, battleField.Field[new Coordinate('a', 2)].State);
Assert.AreEqual(CellState.ShipDeck, battleField.Field[new Coordinate('a', 3)].State);
Assert.AreEqual(CellState.ShipDeck, battleField.Field[new Coordinate('a', 4)].State);
Assert.AreNotEqual(CellState.ShipDeck, battleField.Field[new Coordinate('a', 5)].State);
}
public void WillInvokeFiredEventWithTheRightArgs()
{
var eventInvoked = false;
var field = new BattleField(10);
field.PlaceShip(GetFourDeckShip());
FiredEventArgs arguments = null;
//subscribe
field.Fired += (sender, args) =>
{
eventInvoked = true;
arguments = args;
};
var fireCoordinate = new Coordinate('a', 2);
field.Fire(fireCoordinate);
Assert.IsTrue(eventInvoked);
Assert.AreEqual(fireCoordinate, arguments.Coordinate);
Assert.IsTrue(arguments.Result == CellState.Exploded);
}
public void CanGetProperSurroundedCoordinatesOfTheShip()
{
var field = new BattleField(10);
var ship = GetFourDeckShip(ShipOrientation.Horizontal);
//change ship's starting point
ship.StartingPoint = new Coordinate('b', 1);
//lets create a collection of expected surrounded cells
var expectedCoordinates = new List<Coordinate>
{
new Coordinate('a', 0),
new Coordinate('b', 0),
new Coordinate('c', 0),
new Coordinate('d', 0),
new Coordinate('e', 0),
new Coordinate('f', 0),
new Coordinate('f', 1),
new Coordinate('f', 2),
new Coordinate('e', 2),
new Coordinate('d', 2),
new Coordinate('c', 2),
new Coordinate('b', 2),
new Coordinate('a', 2),
new Coordinate('a', 1)
};
//persist ship on map
field.PlaceShip(ship);
var results = field.GetSurroundedCoordinatesOfTheShip(ship);
Assert.AreEqual(expectedCoordinates.Count, results.Count());
foreach (var coordinate in results)
{
Assert.IsTrue(expectedCoordinates.Contains(coordinate));
}
}
public void WillNotBePossibleToPlaceAShipInCloseProximityToOther()
{
var field = new BattleField(10);
var ship1 = GetFourDeckShip(ShipOrientation.Horizontal);
var ship2 = GetFourDeckShip(ShipOrientation.Horizontal);
ship2.StartingPoint = new Coordinate('a', 2);
//persist first ship
var resultPlaceShip1 = field.PlaceShip(ship1);
var resultPlaceShip2 = field.PlaceShip(ship2);
foreach (var coordinate in ship1.GetCoordinates())
{
Assert.IsTrue(field.Field[coordinate].State == CellState.ShipDeck);
}
Assert.IsTrue(resultPlaceShip1);
Assert.IsFalse(resultPlaceShip2);
foreach (var coordinate in ship2.GetCoordinates())
{
Assert.IsTrue(field.Field[coordinate].State == CellState.Empty);
}
}
public void WillInvokeShipDestroyedEventWithTheRightArguments()
{
var eventInvoked = false;
var ship = GetFourDeckShip();
var field = new BattleField(10);
field.PlaceShip(ship);
ShipDestroyedEventArgs arguments = null;
//subscribe
field.ShipDestroyed += (sender, args) =>
{
eventInvoked = true;
arguments = args;
};
field.Fire(new Coordinate('a', 1));
field.Fire(new Coordinate('a', 2));
field.Fire(new Coordinate('a', 3));
field.Fire(new Coordinate('a', 4));
Assert.IsTrue(eventInvoked);
Assert.AreEqual(ship.Id, arguments.Ship.Id);
Assert.IsTrue(arguments.SurroundedCells.Any());
}