public void SudokuSolver_ClonesArgumentToAvoidModifyingOriginal()
{
var puzzle = new SudokuPuzzle();
puzzle.SetValue(1, 4, SudokuValue.NINE);
var solver = new SudokuSolver.SudokuSolver(puzzle);
puzzle.ClearBoard();
Assert.AreEqual(SudokuValue.NINE, solver.Puzzle.GetValue(1, 4));
}
public void SudokuPuzzle_CanCloneItself()
{
var puzzle = new SudokuPuzzle();
puzzle.SetValue(1, 4, SudokuValue.NINE);
puzzle.SetValue(2, 3, SudokuValue.FIVE);
var clone = puzzle.Clone() as SudokuPuzzle;
puzzle.ClearBoard();
Assert.AreEqual(SudokuValue.NINE, clone.GetValue(1, 4));
Assert.AreEqual(SudokuValue.FIVE, clone.GetValue(2, 3));
}
public void SudokuPuzzle_CanClearBoard()
{
var puzzle = new SudokuPuzzle();
puzzle.SetValue(0, 3, SudokuValue.NINE);
puzzle.SetValue(0, 4, SudokuValue.EIGHT);
puzzle.ClearBoard();
for (int i = 0; i < puzzle.CurrentBoard.Length; i++)
{
// board is a square...
for (int j = 0; j < puzzle.CurrentBoard.Length; j++)
{
Assert.AreEqual(SudokuValue.UNASSIGNED, puzzle.CurrentBoard[i][j]);
}
}
}
