public void TryInit_FiltersCorrectly()
{
var puzzle = new PuzzleWithPossibleValues(new int?[][] {
new int?[] { null, null, 9, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, 3, 5, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
});
var magicSquares = new Box[] {
new Box(new Coordinate(0, 0), 3),
};
var rule = new MagicSquaresRule(puzzle.Size, magicSquares, includeDiagonals: false);
Assert.True(rule.TryInit(puzzle, puzzle.UniquePossibleValues));
Assert.Equal(new BitVector(0b0000110110), rule.GetPossibleValues(new Coordinate(0, 0)));
Assert.Equal(new BitVector(0b0000110000), rule.GetPossibleValues(new Coordinate(0, 1)));
Assert.Equal(new BitVector(0b1111111110), rule.GetPossibleValues(new Coordinate(1, 0)));
Assert.Equal(new BitVector(0b0110110000), rule.GetPossibleValues(new Coordinate(1, 1)));
Assert.Equal(new BitVector(0b0000000010), rule.GetPossibleValues(new Coordinate(1, 2)));
Assert.Equal(new BitVector(0b0010000000), rule.GetPossibleValues(new Coordinate(2, 0)));
Assert.Equal(new BitVector(0b1111111110), rule.GetPossibleValues(new Coordinate(3, 0)));
}
public void TryInit_WithDiagonals_FiltersCorrectly()
{
var puzzle = new PuzzleWithPossibleValues(new int?[][] {
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, 6, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, 3, 8, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
});
var magicSquares = new Box[] {
new Box(new Coordinate(3, 3), 3),
};
var rule = new MagicSquaresRule(puzzle.Size, magicSquares, includeDiagonals: true);
Assert.True(rule.TryInit(puzzle, puzzle.UniquePossibleValues));
Assert.Equal(new BitVector(0b0000110110), rule.GetPossibleValues(new Coordinate(3, 3)));
Assert.Equal(new BitVector(0b0110110000), rule.GetPossibleValues(new Coordinate(3, 4)));
Assert.Equal(new BitVector(0b1111111110), rule.GetPossibleValues(new Coordinate(4, 3)));
Assert.Equal(new BitVector(0b0000110000), rule.GetPossibleValues(new Coordinate(4, 4)));
Assert.Equal(new BitVector(0b0000000010), rule.GetPossibleValues(new Coordinate(4, 5)));
Assert.Equal(new BitVector(0b0000010000), rule.GetPossibleValues(new Coordinate(5, 3)));
Assert.Equal(new BitVector(0b1111111110), rule.GetPossibleValues(new Coordinate(6, 3)));
}
public void Update_UpdatesSpecifiedRow()
{
var puzzle = new PuzzleWithPossibleValues(new int?[][] {
new int?[] { null, null, 9, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, 3, 5, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
});
var magicSquares = new Box[] {
new Box(new Coordinate(0, 0), 3),
};
var rule = new MagicSquaresRule(puzzle.Size, magicSquares, includeDiagonals: false);
Assert.True(rule.TryInit(puzzle, puzzle.UniquePossibleValues));
int val = 4;
var coord = new Coordinate(0, 1);
var affectedCoordinates = new CoordinateTracker(puzzle.Size);
rule.Update(coord, val, affectedCoordinates);
Assert.Equal(
new HashSet <Coordinate>()
{
new Coordinate(0, 0), new Coordinate(1, 1)
},
new HashSet <Coordinate>(affectedCoordinates.TrackedCoords.ToArray()));
Assert.Equal(new BitVector(0b0000000100), rule.GetPossibleValues(new Coordinate(0, 0)));
Assert.Equal(new BitVector(0b0100000000), rule.GetPossibleValues(new Coordinate(1, 1)));
}
public void CopyWithNewReference_CreatesDeepCopy()
{
var puzzle = new PuzzleWithPossibleValues(new int?[][] {
new int?[] { null, null, 9, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, 3, 5, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
});
var magicSquares = new Box[] {
new Box(new Coordinate(0, 0), 3),
};
var rule = new MagicSquaresRule(puzzle.Size, magicSquares, includeDiagonals: false);
Assert.True(rule.TryInit(puzzle, puzzle.UniquePossibleValues));
var puzzleCopy = new PuzzleWithPossibleValues(puzzle);
IRule ruleCopy = rule.CopyWithNewReference(puzzleCopy);
int val = 4;
var coord = new Coordinate(1, 1);
ruleCopy.Update(coord, val, new CoordinateTracker(puzzle.Size));
Assert.NotEqual(rule.GetPossibleValues(coord), ruleCopy.GetPossibleValues(coord));
puzzleCopy[coord] = val;
var secondCoord = new Coordinate(1, 2);
int secondVal = 1;
var coordTracker = new CoordinateTracker(puzzle.Size);
ruleCopy.Update(secondCoord, secondVal, coordTracker);
var originalCoordTracker = new CoordinateTracker(puzzle.Size);
rule.Update(secondCoord, secondVal, originalCoordTracker);
Assert.Equal(
new HashSet <Coordinate> {
new Coordinate(1, 0),
},
new HashSet <Coordinate>(coordTracker.TrackedCoords.ToArray()));
Assert.Equal(
new HashSet <Coordinate> {
new Coordinate(1, 0), new Coordinate(1, 1)
},
new HashSet <Coordinate>(originalCoordTracker.TrackedCoords.ToArray()));
}
public void TryInit_NotPossible_Fails()
{
var puzzle = new PuzzleWithPossibleValues(new int?[][] {
new int?[] { null, null, 6, null, null, null, null, null, null },
new int?[] { 1, null, null, null, null, null, null, null, null },
new int?[] { null, 3, 8, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
new int?[] { null, null, null, null, null, null, null, null, null },
});
var magicSquares = new Box[] {
new Box(new Coordinate(0, 0), 3),
};
var rule = new MagicSquaresRule(puzzle.Size, magicSquares, includeDiagonals: false);
Assert.False(rule.TryInit(puzzle, puzzle.UniquePossibleValues));
}