public void CreatePositionFromEmptyString()
{
Position position = new Position(string.Empty);
Assert.AreEqual(9, position.Size);
Assert.AreEqual(3, position.Range);
Assert.AreEqual(0, position.GetCellsWithNumbers().Count);
var result = position.GetPossibleNumbersAt(0, 0);
for (int k = 1; k <= 9; k++)
Assert.IsTrue(result.Contains(k));
}
public void CreatePositionWithOneNumber()
{
Position position = new Position("9");
Assert.AreEqual(9, position.Size);
Assert.AreEqual(3, position.Range);
var cells = position.GetCellsWithNumbers();
Assert.AreEqual(1, cells.Count);
Assert.AreEqual(9, cells[0].Number);
Assert.AreEqual(0, cells[0].X);
Assert.AreEqual(0, cells[0].Y);
var result = position.GetPossibleNumbersAt(1, 0);
for (int k = 1; k < 9; k++)
Assert.IsTrue(result.Contains(k));
}
public void CreatePositionWithTwoNumbersAtFirstColumn()
{
Position position = new Position("8........9");
Assert.AreEqual(9, position.Size);
Assert.AreEqual(3, position.Range);
var cells = position.GetCellsWithNumbers();
Assert.AreEqual(2, cells.Count);
Assert.AreEqual(8, cells[0].Number);
Assert.AreEqual(0, cells[0].X);
Assert.AreEqual(0, cells[0].Y);
Assert.AreEqual(9, cells[1].Number);
Assert.AreEqual(0, cells[1].X);
Assert.AreEqual(1, cells[1].Y);
}