public void should_get_81_cells_for_sudoku_board()
{
var sudokuBoard = new SudokuBoard();
var cells = sudokuBoard.Cells;
Assert.Equal(81, cells.Count);
sudokuBoard.Cells.ForEach(cell => Assert.Equal(0, cell.Value));
cells[0].Value = 1;
Assert.Equal(1, cells[0].Value);
}
public void should_get_candidates_for_unlocked_cell()
{
var sudokuBoard = new SudokuBoard();
var position = new Position(0,0);
var candidates = new GeneralCandidateRule(sudokuBoard).GetCandidates(position);
Assert.Equal(9, candidates.Count);
sudokuBoard.Set(new Position(0, 1), 2, false);
sudokuBoard.Set(new Position(0, 2), 3, false);
sudokuBoard.Set(new Position(0, 3), 4, false);
sudokuBoard.Set(new Position(0, 4), 5, false);
sudokuBoard.Set(new Position(0, 5), 6, false);
sudokuBoard.Set(new Position(0, 6), 7, false);
sudokuBoard.Set(new Position(0, 7), 8, false);
sudokuBoard.Set(new Position(0, 8), 9, false);
candidates = new GeneralCandidateRule(sudokuBoard).GetCandidates(position);
Assert.Equal(1, candidates.Count);
Assert.Equal(1, candidates.First());
}
public GeneralCandidateRule(SudokuBoard sudokuBoard)
{
_sudokuBoard = sudokuBoard;
}
public void should_get_empty_candidates_for_locked_cell()
{
var sudokuBoard = new SudokuBoard();
var position = new Position(0, 0);
sudokuBoard.Set(position, 2, true);
var candidates = new GeneralCandidateRule(sudokuBoard).GetCandidates(position);
Assert.Equal(0, candidates.Count);
}
private static void CheckAnswer(SudokuBoard sudokuBoard, string problem, string answer)
{
var dataList = new VerticalBarStyleTokenizer().Generate(problem);
sudokuBoard.Make(dataList);
sudokuBoard.Solve();
var expected = answer.Replace(Environment.NewLine, string.Empty).Replace(" ", string.Empty);
var replace = sudokuBoard.Answer.Replace(Environment.NewLine, string.Empty);
Assert.Equal(expected, replace);
}
public void should_sovle_sudoku()
{
var sudokuBoard = new SudokuBoard();
CheckAnswer(sudokuBoard, Problem, Answer);
CheckAnswer(sudokuBoard, Expert, ExpertAnswer);
}
public void should_set_the_cell_value_for()
{
var sudokuBoard = new SudokuBoard();
var position = new Position(0, 0);
sudokuBoard.Set(position, 9, false);
Assert.Equal(9, sudokuBoard.Get(position).Value);
position = new Position(8, 8);
sudokuBoard.Set(position, 1, true);
Assert.Equal(1, sudokuBoard.Get(position).Value);
Assert.Equal(true, sudokuBoard.Get(position).Locked);
}
public void should_not_break_the_unique_rule()
{
var sudokuBoard = new SudokuBoard();
var position = new Position(0, 0);
sudokuBoard.Set(position, 1, false);
Assert.Equal(1,sudokuBoard.Get(position).Value);
position = new Position(0, 1);
sudokuBoard.Set(position, 1, false);
Assert.NotEqual(1, sudokuBoard.Get(position).Value);
}
public GeneralCandidateRule(SudokuBoard sudokuBoard)
{
_sudokuBoard = sudokuBoard;
}