public void ChangeOfDirectionsShouldSwitchDirectionsCorrect(int directionNumber)
{
int[] rowDirections = { 1, 1, 1, 0, -1, -1, -1, 0 };
int[] colDirections = { 1, 0, -1, -1, -1, 0, 1, 1 };
int inputDirectionRow = rowDirections[directionNumber - 1], inputDirectionCol = colDirections[directionNumber - 1];
FillMatrix.ChangeDirection(ref inputDirectionRow, ref inputDirectionCol);
if (directionNumber < 8)
{
Assert.AreEqual(rowDirections[directionNumber], inputDirectionRow);
Assert.AreEqual(colDirections[directionNumber], inputDirectionCol);
}
else
{
Assert.AreEqual(rowDirections[0], inputDirectionRow);
Assert.AreEqual(colDirections[0], inputDirectionCol);
}
}
public void ChangeOfDirectionsShouldThrowByWrongInput(int currentRowDirection, int currentColDirection)
{
Assert.Throws(typeof(ArgumentOutOfRangeException), () => { FillMatrix.ChangeDirection(ref currentRowDirection, ref currentColDirection); }, "Boo!");
}
