private static int Generate(int size, SudokuDifficulty difficulty, String outfile)
{
SudokuPuzzle sudoku = SudokuGenerator.Generate(size, difficulty);
if (outfile is null)
{
Console.WriteLine(sudoku);
}
else
{
if (Program.WriteToFile(sudoku.ToString(), outfile))
{
Console.WriteLine($"Generated sudoku written to {outfile}");
}
else
{
Console.WriteLine(Program.FileOutputErrorMessage);
return(Program.FileOutputError);
}
}
return(0);
}
public void ToStringTest()
{
string newLine = Environment.NewLine;
var sudokuPuzzle = new SudokuPuzzle(new int[9, 9]);
var toString = sudokuPuzzle.ToString();
var emptyPuzzleToString = string.Concat(Enumerable.Repeat($"0 0 0 0 0 0 0 0 0{newLine}", 9));
Assert.That(toString, Is.EqualTo(emptyPuzzleToString));
sudokuPuzzle.Cells[1, 2].Value = 5;
toString = sudokuPuzzle.ToString();
var expectedStringRepresentation = emptyPuzzleToString.Remove(23, 1).Insert(23, "5");
Assert.That(toString, Is.EqualTo(expectedStringRepresentation));
}
private void OnSaveGame(SudokuPuzzle sudokuPuzzle)
{
var saveFileDialog = new SaveFileDialog
{
Filter = DialogFilter
};
if (saveFileDialog.ShowDialog() == true)
{
File.WriteAllText(saveFileDialog.FileName, sudokuPuzzle.ToString());
}
}
private void btnSaveFile_Click(object sender, EventArgs e)
{
SaveFileDialog saveFileDialog1 = new SaveFileDialog();
if (saveFileDialog1.ShowDialog() == DialogResult.OK)
{
try
{
string puzzleStr = puzzle.ToString().Replace(",", "");
using (StreamWriter sr = new StreamWriter(saveFileDialog1.FileName))
{
sr.Write(puzzleStr);
sr.Flush();
sr.Close();
}
}
catch (Exception ex)
{
MessageBox.Show("Error: Could not write file to disk. Original error: " + ex.Message);
}
}
}