public void Solve6x6Test()
{
var puzzle = @"100000
020000
003000
000400
000050
000000
".Replace(" ", "");
var sudoku = SudokuFactory.CreateFromString(puzzle);
Assert.AreEqual(puzzle, sudoku.ToString());
var solver = new SudokuSolver(sudoku);
solver.Solve();
var solution = @"134265
526134
243516
615423
461352
352641
".Replace(" ", "");
Assert.AreEqual(solution, sudoku.ToString());
Assert.IsTrue(sudoku.IsSolved());
}
public void Solve3Test()
{
var puzzle = @"293040100
516230740
847156000
354002690
600415000
000900000
000394802
000600005
000521000
".Replace(" ", "");
var sudoku = SudokuFactory.CreateFromString(puzzle);
Assert.AreEqual(puzzle, sudoku.ToString());
var solver = new SudokuSolver(sudoku);
solver.Solve();
var solution = @"293748156
516239748
847156239
354872691
629415387
781963524
165394872
432687915
978521463
".Replace(" ", "");
Assert.AreEqual(solution, sudoku.ToString());
Assert.IsTrue(sudoku.IsSolved());
}
public void SerializationCopyTest2()
{
// arrange
var puzzle = @"100008400
020004900
903256000
600000571
410805062
532000004
000582709
001300040
008100005
".Replace(" ", "");
var sudoku = SudokuFactory.CreateFromString(puzzle);
var solver = new SudokuSolver(sudoku);
// act
solver.Solve();
var sudokuCopy = sudoku.DeepCopy();
sudokuCopy.SetCellValue(0, 1, 0, "manual");
sudokuCopy.UpdatePossibleValuesInAllRegions();
// assert
Assert.IsTrue(sudoku.IsSolved());
Assert.IsFalse(sudokuCopy.IsSolved());
}
public void SolveEmpty4x4Test()
{
var puzzle = @"0000
0000
0000
0000
".Replace(" ", "");
var sudoku = SudokuFactory.CreateFromString(puzzle);
var solver = new SudokuSolver(sudoku);
solver.Solve();
Assert.IsTrue(sudoku.IsSolved());
}
public void Solve12x12Test()
{
var puzzle = @"5, 0, 0,10, 0,12, 0, 0, 1, 7, 0,11
0, 3, 2, 0, 0, 0, 0, 6, 0,10, 4, 0
1, 6, 0, 0, 0, 0, 0, 0, 0, 0,12, 0
3, 0, 0, 0,11, 0, 6, 0, 0, 0, 0, 8
0, 4, 0, 0,12, 1, 0, 7,11, 0, 0, 0
0, 0, 0, 6, 0,10, 4, 8, 0, 0, 0,12
2, 0, 0, 0,10, 4, 8, 0, 6, 0, 0, 0
0, 0, 0, 4, 6, 0, 7,11, 0, 0, 1, 0
11, 0, 0, 0, 0, 3, 0, 2, 0, 0, 0,10
0,10, 0, 0, 0, 0, 0, 0, 0, 0, 8, 4
0, 7, 8, 0, 9, 0, 0, 0, 0, 2,11, 0
6, 0, 9, 5, 0, 0,11, 0,10, 0, 0, 7
".Replace(" ", "");
var sudoku = SudokuFactory.CreateFromString(puzzle);
Assert.AreEqual(puzzle, sudoku.ToString().Replace(" ", ""));
var solver = new SudokuSolver(sudoku);
solver.Solve();
Assert.IsTrue(sudoku.IsSolved());
}
public void Solve4x4Test()
{
var puzzle = @"1000
0200
0030
0004
".Replace(" ", "");
var sudoku = SudokuFactory.CreateFromString(puzzle);
Assert.AreEqual(puzzle, sudoku.ToString());
var solver = new SudokuSolver(sudoku);
solver.Solve();
var solution = @"1342
4213
2431
3124
".Replace(" ", "");
Assert.AreEqual(solution, sudoku.ToString());
Assert.IsTrue(sudoku.IsSolved());
}
public void SerializationCopyTest()
{
// arrange
var puzzle = @"100008400
020004900
903256000
600000571
410805062
532000004
000582709
001300040
008100005
".Replace(" ", "");
var sudoku = SudokuFactory.CreateFromString(puzzle);
// act
var sudokuCopy = sudoku.DeepCopy();
sudoku.SetCellValue(0, 1, 7, "manual");
// assert
Assert.AreEqual(7, sudoku.GetCellValue(0, 1));
Assert.AreEqual(0, sudokuCopy.GetCellValue(0, 1));
}