public void SetBlack_WhenSquareIsAlreadyBlack_AppliesNoChange()
{
var partiallyComplete = new PartiallyCompleteGroup(10, "1.");
var initialBlackSquares = partiallyComplete.GetBlackSquares();
var squareIndex = 0;
partiallyComplete.SetSquareBlack(squareIndex);
var blackBits = partiallyComplete.GetBlackSquares();
Assert.That(blackBits, Is.EqualTo(initialBlackSquares));
}
public void Constructor_PassedListOfUnknownSquares_CreatesGroupWithNoKnownBlackSquares()
{
var partiallyComplete = new PartiallyCompleteGroup(2, "..");
var initialBlackBits = partiallyComplete.GetBlackSquares();
Assert.That(initialBlackBits.Count, Is.EqualTo(0));
}
public void SetBlack_WhenNoSquaresAreBlack_SetsUnknownBitToKnown()
{
var partiallyComplete = new PartiallyCompleteGroup(10, "..");
var squareIndex = 0;
partiallyComplete.SetSquareBlack(squareIndex);
var blackBits = partiallyComplete.GetBlackSquares();
Assert.That(blackBits.Count, Is.EqualTo(1));
Assert.That(blackBits.First(), Is.EqualTo(squareIndex));
}
