public void RowConstraintSuccessTest()
{
Sudoku sudoku = CreateTestSudoku();
RowConstraint constraint = new RowConstraint();
bool result = constraint.Evaluate(sudoku, xCoord: 2, yCoord: 0);
Assert.IsTrue(result);
}
public void RowConstraintFailureFullRowTest()
{
Sudoku sudoku = CreateTestSudoku();
sudoku.SetValue(2, 0, 2).SetValue(3, 0, 3).SetValue(4, 0, 7).SetValue(6, 0, 8).SetValue(7, 0, 4);
Output.Show(sudoku.Values);
RowConstraint constraint = new RowConstraint();
bool result = constraint.Evaluate(sudoku, xCoord: 2, yCoord: 0);
Assert.IsFalse(result);
}
public void RowConstraintFailTest()
{
Sudoku sudoku = CreateTestSudoku();
sudoku.SetValue(2, 0, 5); // Duplicate value in row 0
Output.Show(sudoku.Values);
RowConstraint constraint = new RowConstraint();
bool result = constraint.Evaluate(sudoku, xCoord: 2, yCoord: 0);
Assert.IsFalse(result);
}
public void FindLockedSet()
{
var grid = new Grid(9);
grid[6, 1].Candidates.Add(4, 9);
grid[6, 2].Candidates.Add(6, 7);
grid[6, 3].Candidates.Add(6, 7);
grid[6, 4].PlaceDigit(8);
grid[6, 5].Candidates.Add(3, 4, 7, 9);
grid[6, 6].PlaceDigit(5);
grid[6, 7].PlaceDigit(2);
grid[6, 8].PlaceDigit(1);
grid[6, 9].Candidates.Add(3, 6, 7, 9);
var constraint = new RowConstraint(grid, 6);
var lockedSets = constraint.FindLockedSets(2, false);
var set = lockedSets.Single();
set[0].Candidates.Should().BeEquivalentTo((byte)6, (byte)7);
}
public override string ToString()
{
return((DriveConstraint?.ToString() ?? "*") + ":" + (RowConstraint?.ToString() ?? "*") +
(ColConstraint?.ToString() ?? "*"));
}
