public void ShouldThrowInvalidMoveExceptionIfCellIsAlreadyRevealed()
{
var revealedCoordinate = new Coordinate(1, 1);
_gameBoard.GetCell(revealedCoordinate).CellState = CellState.Revealed;
var flagCommand = new FlagCommand(revealedCoordinate);
Assert.Throws <InvalidMoveException>(() => flagCommand.Execute(_gameBoard));
}
public void ShouldSetSelectedCellStateToFlagged()
{
var flagCoordinate = new Coordinate(1, 1);
var flagCommand = new FlagCommand(flagCoordinate);
flagCommand.Execute(_gameBoard);
var result = _gameBoard.GetCell(flagCoordinate).CellState;
Assert.Equal(CellState.Flagged, result);
}
public void ShouldSetCellStateToUnrevealedIfAlreadyFlagged()
{
var flagCoordinate = new Coordinate(1, 1);
_gameBoard.GetCell(flagCoordinate).CellState = CellState.Flagged;
var flagCommand = new FlagCommand(flagCoordinate);
flagCommand.Execute(_gameBoard);
var result = _gameBoard.GetCell(flagCoordinate).CellState;
Assert.Equal(CellState.Unrevealed, result);
}
public void ShouldThrowInvalidMoveException_IfTyringToFlagMoreFlagsThanMines()
{
// Plant 2 mines
_gameBoard.GetCell(new Coordinate(4, 4)).PlantMine();
_gameBoard.GetCell(new Coordinate(5, 5)).PlantMine();
// Flag 2 cells that aren't mines
_gameBoard.GetCell(new Coordinate(2, 2)).CellState = CellState.Flagged;
_gameBoard.GetCell(new Coordinate(1, 1)).CellState = CellState.Flagged;
// Flagging the third cell
var flagCommand = new FlagCommand(new Coordinate(4, 4));
Assert.Throws <InvalidMoveException>(() => flagCommand.Execute(_gameBoard));
}