public void FindFirstSolution()
{
var puzzle = new Puzzle(_board);
var solver = new HiddenSinglesSolver(puzzle);
var solution = solver.FindSolution().First();
Assert.True(solution.Solved, "A solved solution should be returned.");
}
public void SolvePuzzle()
{
var puzzle = new Puzzle(_board);
var solver = new HiddenSinglesSolver(puzzle);
var solved = puzzle.Solve(solver);
Assert.False(solved && puzzle.ToString() == _completedBoard, "Puzzle should be solved.");
}
public void AllSlotsEmpty()
{
var puzzle = new Puzzle(_board);
var expectedValue = 3;
var solver = new HiddenSinglesSolver(puzzle);
Assert.True(solver.TrySolveBox(2, out Solution solution) && solution.Value == expectedValue, "Box should be solved.");
}
public void OneEmptySlotInRowHorizontalOnly()
{
var puzzle = new Puzzle(_board);
var solver = new HiddenSinglesSolver(puzzle);
var solution = solver.Solve(0);
var expectedValue = 8;
Assert.True(solution.Solved && solution.Value == expectedValue, "Box should be solved.");
}
public void TwoColumnSlotsEmpty1()
{
var board = "..2.3...8.....83...31.2.....6..5.27..1.....5.2.4.6..31....8.6.5.......13..531.4..";
var expectedValue = 1;
var puzzle = new Puzzle(board);
var solver = new HiddenSinglesSolver(puzzle);
Assert.True(solver.TrySolveBox(2, out Solution solution) && solution.Value == expectedValue, "Box should be solved.");
}
public void ColumnLastPossibleSlotBox2Blocked()
{
var board = "..2.3.1.8...1.83..831.2.5..36..51274.1.243.56254.6..311.3.8.6.5......713..531.4..";
var expectedValue = 8;
var puzzle = new Puzzle(board);
var solver = new HiddenSinglesSolver(puzzle);
Assert.True(solver.TrySolveBox(8, out Solution solution) && solution.Value == expectedValue, "Box should be solved.");
}
public void Column2BlockedColumn3CandidateRowSolver()
{
var board = "..2.3.1.8...1.83..831.2.5...6..5127..1.2.3.56254.6..31....8.6.5.......13..531.4..";
var expectedValue = 4;
var puzzle = new Puzzle(board);
var solver = new HiddenSinglesSolver(puzzle);
Assert.True(solver.TrySolveBox(5, out Solution solution) && solution.Value == expectedValue, "Box should be solved.");
}
public void AllColumnSlotsEmptyB()
{
var board = "..2.3.1.8...1.83..831.2.5...6..51274.1.243.56254.6..311...8.6.5.......13..531.4..";
var expectedValue = 3;
var puzzle = new Puzzle(board);
var solver = new HiddenSinglesSolver(puzzle);
Assert.True(solver.TrySolveBox(6, out Solution solution) && solution.Value == expectedValue, "Box should be solved.");
}
public void TwoColumnSlotsEmpty2()
{
var board = "..2.3.1.8...1.83..831.2.5...6..5127..1.....5.254.6..31....8.6.5.......13..531.4..";
var puzzle = new Puzzle(board);
var solver = new HiddenSinglesSolver(puzzle);
var solution = solver.Solve(4);
var expectedValue = 3;
Assert.True(solution.Solved && solution.Value == expectedValue, "Box should be solved.");
}