public void TestRelatedCellIndices(int index, int[] expectedRelatedIndices)
{
List <int> actualRelatedIndices = GridMath.GetRelatedCellIndices(index);
actualRelatedIndices.Should().NotBeEmpty()
.And.HaveCount(EXPECTED_NUMBER_OF_RELATED_INDICES);
foreach (int expectedIndex in expectedRelatedIndices)
{
actualRelatedIndices.Should().Contain(expectedIndex);
}
}
public bool ApplyRule(ref Board board)
{
bool ruleSuccess = false;
for (int i = 0; i < GridMath.TotalNumberOfCells; i++)
{
if (board.IsCellSolved(i))
{
int solvedValue = board.GetPossibleValues(i).First();
List <int> relatedCellIndices = GridMath.GetRelatedCellIndices(i);
foreach (int relatedCellIndex in relatedCellIndices)
{
bool removalSuccessful = board.RemoveValueFromCell(relatedCellIndex, solvedValue);
ruleSuccess |= removalSuccessful;
}
}
}
return(ruleSuccess);
}
