public void CopyWithNewReferences_CreatesDeepCopy()
        {
            var puzzle = new PuzzleWithPossibleValues(new int?[][] {
                new int?[] { 1, null /* 4 */, null /* 3 */, 2 },
                new int?[] { null /* 2 */, null /* 3 */, null /* 1 */, 4 },
                new int?[] { null /* 4 */, null /* 1 */, null /* 2 */, 3 },
                new int?[] { 3, 2, null /* 4 */, 1 }
            });
            var ruleKeeper = new StandardRuleKeeper();

            Assert.True(ruleKeeper.TryInit(puzzle));
            var heuristic = new UniqueInColumnHeuristic(
                (IMissingColumnValuesTracker)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(0, 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));
        }
Example #2
0
        public void CopyWithNewReferences_CreatesDeepCopy()
        {
            var puzzle = new Puzzle(new int?[, ] {
                { 1, null /* 4 */, null /* 3 */, 2 },
                { null /* 2 */, null /* 3 */, null /* 1 */, 4 },
                { null /* 4 */, null /* 1 */, null /* 2 */, 3 },
                { 3, 2, null /* 4 */, 1 }
            });
            var possibleValues = new PossibleValues(puzzle);
            var ruleKeeper     = new StandardRuleKeeper(puzzle, possibleValues);
            var heuristic      = new UniqueInColumnHeuristic(
                puzzle, possibleValues, (IMissingColumnValuesTracker)ruleKeeper.GetRules()[0]);
            var puzzleCopy = new Puzzle(puzzle);

            var possibleValuesCopy = new PossibleValues(possibleValues);
            var ruleKeeperCopy     = (StandardRuleKeeper)ruleKeeper.CopyWithNewReferences(
                puzzleCopy, possibleValuesCopy);
            ISudokuHeuristic heuristicCopy = heuristic.CopyWithNewReferences(
                puzzleCopy, possibleValuesCopy, ruleKeeperCopy.GetRules());

            var       coord = new Coordinate(0, 1);
            BitVector originalPossibleValues = possibleValues[coord];

            Assert.Equal(originalPossibleValues, possibleValuesCopy[coord]);
            heuristicCopy.UpdateAll();
            Assert.Equal(originalPossibleValues, possibleValues[coord]);
            Assert.NotEqual(originalPossibleValues, possibleValuesCopy[coord]);
        }