public void clone_test()
{
string puzzle = "140060800085010040907400250030070400209000307008900060000740010601305090700002600";
SudokuGrid grid = new SudokuGrid(puzzle);
grid.set_possible_values_of_all_cells();
SudokuGrid grid2 = (SudokuGrid)grid.Clone();
// the cloned grid is equal to the first
Assert.True(grid2.Equals(grid));
grid2._grid_cells[2, 1]._possible_values.Add(4);
Assert.False(grid2.Equals(grid), "changing a possible value in one grid should not also reflect on the other grid");
grid2 = (SudokuGrid)grid.Clone();
Assert.True(grid2.Equals(grid), "setting the grid back to a fresh clone should make them equal again");
}
public static IEnumerable <object[]> remove_value_from_permitted_values_in_cells_test_true_input()
{
string puzzle = "000000000|000000000|000000000||000000000|000000000|000000000||000000000|000000000|000000000";
SudokuGrid grid_in = new SudokuGrid(puzzle);
grid_in._grid_cells[1, 1]._possible_values = new List <int> {
1, 2, 3
};
grid_in._grid_cells[2, 2]._possible_values = new List <int> {
2
};
grid_in._grid_cells[3, 3]._possible_values = new List <int> {
1, 3
};
grid_in._grid_cells[4, 4]._possible_values = new List <int> {
1, 2, 3
};
SudokuGrid grid_out = (SudokuGrid)grid_in.Clone();
grid_out._grid_cells[1, 1]._possible_values = new List <int> {
1, 3
};
grid_out._grid_cells[2, 2]._possible_values = new List <int> ();
grid_out._grid_cells[3, 3]._possible_values = new List <int> {
1, 3
};
yield return(new object[] {
grid_in,
2,
new CoordinateList(new int[] { 1, 1, 2, 2, 3, 3 }),
grid_out,
"1"
});
}