public void CopyWithNewReferences_CreatesDeepCopy() { var puzzle = new PuzzleWithPossibleValues(new int?[][] { new int?[] { null /* 1 */, null /* 4 */, 3, 2 }, new int?[] { null /* 2 */, null /* 3 */, null /* 1 */, 4 }, new int?[] { null /* 4 */, null /* 1 */, 2, 3 }, new int?[] { 3, null /* 2 */, 4, 1 } }); var ruleKeeper = new StandardRuleKeeper(); Assert.True(ruleKeeper.TryInit(puzzle)); var heuristic = new UniqueInBoxHeuristic( (IMissingBoxValuesTracker)ruleKeeper.GetRules()[0]); Assert.True(heuristic.TryInitFor(puzzle)); var puzzleCopy = new PuzzleWithPossibleValues(puzzle); var ruleKeeperCopy = (StandardRuleKeeper)ruleKeeper.CopyWithNewReferences( puzzleCopy); IHeuristic heuristicCopy = heuristic.CopyWithNewReferences( puzzleCopy, ruleKeeperCopy.GetRules()); var coord = new Coordinate(1, 1); BitVector originalPossibleValues = puzzle.GetPossibleValues(coord); Assert.Equal(originalPossibleValues, puzzleCopy.GetPossibleValues(coord)); heuristicCopy.UpdateAll(); Assert.Equal(originalPossibleValues, puzzle.GetPossibleValues(coord)); Assert.NotEqual(originalPossibleValues, puzzleCopy.GetPossibleValues(coord)); }
public void UpdateAll_ModifiesRelevantPossibles() { var puzzle = new PuzzleWithPossibleValues(new int?[][] { new int?[] { null /* 1 */, null /* 4 */, 3, 2 }, new int?[] { null /* 2 */, null /* 3 */, null /* 1 */, 4 }, new int?[] { null /* 4 */, null /* 1 */, 2, 3 }, new int?[] { 3, null /* 2 */, 4, 1 } }); var ruleKeeper = new StandardRuleKeeper(); Assert.True(ruleKeeper.TryInit(puzzle)); var heuristic = new UniqueInBoxHeuristic((IMissingBoxValuesTracker)ruleKeeper.GetRules()[0]); Assert.True(heuristic.TryInitFor(puzzle)); Assert.Equal(new BitVector(0b01110), puzzle.GetPossibleValues(new(1, 1))); // Pre-modified heuristic.UpdateAll(); Assert.Equal(new BitVector(0b10010), puzzle.GetPossibleValues(new(0, 0))); Assert.Equal(new BitVector(0b10010), puzzle.GetPossibleValues(new(0, 1))); Assert.Equal(new BitVector(0b00110), puzzle.GetPossibleValues(new(1, 0))); Assert.Equal(new BitVector(0b01000), puzzle.GetPossibleValues(new(1, 1))); // Modified Assert.Equal(new BitVector(0b10010), puzzle.GetPossibleValues(new(2, 0))); Assert.Equal(new BitVector(0b10010), puzzle.GetPossibleValues(new(2, 1))); Assert.Equal(new BitVector(0b00100), puzzle.GetPossibleValues(new(3, 1))); Assert.Equal(new BitVector(0b00010), puzzle.GetPossibleValues(new(1, 2))); }
public void CopyWithNewReferences_WithoutIMissingBoxValuesTracker_Throws() { var puzzle = new PuzzleWithPossibleValues(new int?[][] { new int?[] { null /* 1 */, null /* 4 */, 3, 2 }, new int?[] { null /* 2 */, null /* 3 */, null /* 1 */, 4 }, new int?[] { null /* 4 */, null /* 1 */, 2, 3 }, new int?[] { 3, null /* 2 */, 4, 1 } }); var ruleKeeper = new StandardRuleKeeper(); Assert.True(ruleKeeper.TryInit(puzzle)); var heuristic = new UniqueInBoxHeuristic( (IMissingBoxValuesTracker)ruleKeeper.GetRules()[0]); Assert.True(heuristic.TryInitFor(puzzle)); var puzzleCopy = new PuzzleWithPossibleValues(puzzle); var ruleKeeperWithoutBoxTracker = new DynamicRuleKeeper(new IRule[] { new ColumnUniquenessRule(), }); Assert.Throws <ArgumentException>(() => heuristic.CopyWithNewReferences( puzzleCopy, ruleKeeperWithoutBoxTracker.GetRules())); }