public void MakeCpuMovement_WhenGridWithoutHitsButWithShipsAndMisses_ShouldMakeValidMovement()
{
// Arrange
var grid = new Grid();
grid.AddShip(new Ship(new Coordinates(1, 0), Orientation.Horizontal, 10));
grid.AddShip(new Ship(new Coordinates(3, 0), Orientation.Horizontal, 10));
grid.AddShip(new Ship(new Coordinates(5, 0), Orientation.Horizontal, 10));
grid.AddShip(new Ship(new Coordinates(7, 0), Orientation.Horizontal, 10));
for (int row = 1; row <= 7; row += 2)
{
for (int column = 0; column < 10; column++)
{
grid.CheckCell(row, column);
}
}
var logic = new DefaultCpuMovementLogic();
// Act
var movement = logic.MakeCpuMovement(grid);
// Assert
Assert.AreEqual(CellStatus.Miss, movement.CellStatus);
Assert.AreEqual(9, movement.Coordinates.Row);
}
public void MakeCpuMovement_WhenGridWithoutHits_ShouldMakeRandomMovement()
{
// Arrange
var grid = new Grid();
var logic = new DefaultCpuMovementLogic();
// Act
var movement = logic.MakeCpuMovement(grid);
// Assert
var numberOfEmptinesses = 0;
for (int row = 0; row < 10; row++)
{
for (int column = 0; column < 10; column++)
{
if (grid[row, column] == CellStatus.Empty)
{
numberOfEmptinesses++;
}
}
}
Assert.AreEqual(99, numberOfEmptinesses);
Assert.AreEqual(CellStatus.Miss, movement.CellStatus);
}
public void MakeCpuMovement_WhenGridWithSomeHitsOfVerticalShips_ShouldMakeMovementsInCorrectOrder()
{
// Arrange
var grid = new Grid();
grid.AddShip(new Ship(new Coordinates(0, 0), Orientation.Vertical, 3));
grid.AddShip(new Ship(new Coordinates(3, 4), Orientation.Vertical, 3));
grid.AddShip(new Ship(new Coordinates(7, 9), Orientation.Vertical, 3));
grid.CheckCell(0, 0);
grid.CheckCell(4, 4);
grid.CheckCell(9, 9);
var logic = new DefaultCpuMovementLogic();
// Act
// Assert
// ship no 1
var movement = logic.MakeCpuMovement(grid);
Assert.AreEqual(CellStatus.Miss, movement.CellStatus);
Assert.AreEqual(0, movement.Coordinates.Row);
Assert.AreEqual(1, movement.Coordinates.Column);
movement = logic.MakeCpuMovement(grid);
Assert.AreEqual(CellStatus.Hit, movement.CellStatus);
Assert.AreEqual(1, movement.Coordinates.Row);
Assert.AreEqual(0, movement.Coordinates.Column);
movement = logic.MakeCpuMovement(grid);
Assert.AreEqual(CellStatus.Sunk, movement.CellStatus);
Assert.AreEqual(2, movement.Coordinates.Row);
Assert.AreEqual(0, movement.Coordinates.Column);
//ship no 2
movement = logic.MakeCpuMovement(grid);
Assert.AreEqual(CellStatus.Hit, movement.CellStatus);
Assert.AreEqual(3, movement.Coordinates.Row);
Assert.AreEqual(4, movement.Coordinates.Column);
movement = logic.MakeCpuMovement(grid);
Assert.AreEqual(CellStatus.Miss, movement.CellStatus);
Assert.AreEqual(2, movement.Coordinates.Row);
Assert.AreEqual(4, movement.Coordinates.Column);
movement = logic.MakeCpuMovement(grid);
Assert.AreEqual(CellStatus.Sunk, movement.CellStatus);
Assert.AreEqual(5, movement.Coordinates.Row);
Assert.AreEqual(4, movement.Coordinates.Column);
//ship no 3
movement = logic.MakeCpuMovement(grid);
Assert.AreEqual(CellStatus.Hit, movement.CellStatus);
Assert.AreEqual(8, movement.Coordinates.Row);
Assert.AreEqual(9, movement.Coordinates.Column);
movement = logic.MakeCpuMovement(grid);
Assert.AreEqual(CellStatus.Sunk, movement.CellStatus);
Assert.AreEqual(7, movement.Coordinates.Row);
Assert.AreEqual(9, movement.Coordinates.Column);
}