public void SetCandidatesTest()
{
int index = 0;
Column target = new Column(index);
for (int i = 0; i < 9; i++)
{
target.Cells[i] = new Cell();
target.Cells[i].Column = target;
}
// Check that all digits are candidate :
foreach (Cell cell in target.GetCells())
for (int digit = 1; digit <= 9; digit++)
Assert.AreEqual(true, cell.HasACandidateFor(digit));
target.SetCandidates();
// Check that all digits are candidate :
foreach (Cell cell in target.GetCells())
for (int digit = 1; digit <= 9; digit++)
Assert.AreEqual(true, cell.HasACandidateFor(digit));
target.Cells[0].Digit = 1;
//target.SetCandidates();
// Check that 1 is no more a candidate :
foreach (Cell cell in target.GetCells())
Assert.AreEqual(false, cell.HasACandidateFor(1));
// Check that all other digits are candidate
// (except for the first cell) :
for (int i = 1; i < 9; i++)
{
for (int digit = 2; digit <= 9; digit++)
Assert.AreEqual(true, target.Cells[i].HasACandidateFor(digit), string.Format("({0} Candidate for {1})", target.Cells[i], digit));
}
}
